Broadband Direct Air-to-Ground Communications - Equipment operating in the 1 900 MHz to 1 920 MHz and 5 855 MHz to 5 875 MHz frequency bands - Beamforming antennas - Harmonised Standard covering the essential requirements of article 3.2 of Directive 2014/53/EU

The present document specifies technical characteristics and methods of measurements for radio equipment at the
Ground Station and Aircraft Station for Broadband Direct Air-to-Ground communications systems employing
beamforming antennas.
The present document covers the essential requirements of article 3.2 of Directive 2014/53/EU [i.5] under the
conditions identified in annex A.

Širokopasovne neposredne komunikacije zrak-tla - Oprema, ki deluje v frekvenčnih pasovih od 1900 MHz do 1920 MHz in od 5855 MHz do 5875 MHz - Snop anten - Harmonizirani standard, ki zajema bistvene zahteve člena 3.2 direktive 2014/53/EU

Ta dokument določa tehnične lastnosti in metode merjenja za radijsko opremo na zemeljski postaji in letalski postaji za sisteme širokopasovne neposredne komunikacije zrak-tla, ki uporabljajo snope anten.
Ta dokument zajema bistvene zahteve člena 3.2 direktive 2014/53/EU [i.5] pod pogoji iz dodatka A.

General Information

Status
Published
Public Enquiry End Date
30-Nov-2016
Publication Date
07-Nov-2017
Technical Committee
Current Stage
6060 - National Implementation/Publication (Adopted Project)
Start Date
09-Oct-2017
Due Date
14-Dec-2017
Completion Date
08-Nov-2017
Mandate

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ETSI EN 303 316 V1.1.0 (2017-05) - Broadband Direct Air-to-Ground Communications; Equipment operating in the 1 900 MHz to 1 920 MHz and 5 855 MHz to 5 875 MHz frequency bands; Beamforming antennas; Harmonised Standard covering the essential requirements of article 3.2 of Directive 2014/53/EU
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ETSI EN 303 316 V1.0.3 (2016-09) - Broadband Direct Air-to-Ground Communications; Equipment operating in the 1 900 MHz to 1 920 MHz and 5 855 MHz to 5 875 MHz frequency bands; Beamforming antennas; Harmonised Standard covering the essential requirements of article 3.2 of Directive 2014/53/EU
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Standards Content (sample)

SLOVENSKI STANDARD
SIST EN 303 316 V1.1.1:2017
01-december-2017
âLURNRSDVRYQHQHSRVUHGQHNRPXQLNDFLMH]UDNWOD2SUHPDNLGHOXMHY
IUHNYHQþQLKSDVRYLKRG0+]GR0+]LQRG0+]GR0+]
6QRSDQWHQ+DUPRQL]LUDQLVWDQGDUGNL]DMHPDELVWYHQH]DKWHYHþOHQD
GLUHNWLYH(8
Broadband Direct Air-to-Ground Communications - Equipment operating in the 1 900
MHz to 1 920 MHz and 5 855 MHz to 5 875 MHz frequency bands - Beamforming

antennas - Harmonised Standard covering the essential requirements of article 3.2 of

Directive 2014/53/EU
Ta slovenski standard je istoveten z: ETSI EN 303 316 V1.1.1 (2017-10)
ICS:
33.060.99 Druga oprema za radijske Other equipment for
komunikacije radiocommunications
33.120.40 Antene Aerials
SIST EN 303 316 V1.1.1:2017 en

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

---------------------- Page: 1 ----------------------
SIST EN 303 316 V1.1.1:2017
---------------------- Page: 2 ----------------------
SIST EN 303 316 V1.1.1:2017
ETSI EN 303 316 V1.1.1 (2017-10)
HARMONISED EUROPEAN STANDARD
Broadband Direct Air-to-Ground Communications;
Equipment operating in the 1 900 MHz to 1 920 MHz and
5 855 MHz to 5 875 MHz frequency bands;
Beamforming antennas;
Harmonised Standard covering the essential requirements
of article 3.2 of Directive 2014/53/EU
---------------------- Page: 3 ----------------------
SIST EN 303 316 V1.1.1:2017
2 ETSI EN 303 316 V1.1.1 (2017-10)
Reference
DEN/BRAN-60013
Keywords
aeronautical, broadband, mobile, network, radio
ETSI
650 Route des Lucioles
F-06921 Sophia Antipolis Cedex - FRANCE
Tel.: +33 4 92 94 42 00 Fax: +33 4 93 65 47 16
Siret N° 348 623 562 00017 - NAF 742 C
Association à but non lucratif enregistrée à la
Sous-Préfecture de Grasse (06) N° 7803/88
Important notice
The present document can be downloaded from:
http://www.etsi.org/standards-search

The present document may be made available in electronic versions and/or in print. The content of any electronic and/or

print versions of the present document shall not be modified without the prior written authorization of ETSI. In case of any

existing or perceived difference in contents between such versions and/or in print, the only prevailing document is the

print of the Portable Document Format (PDF) version kept on a specific network drive within ETSI Secretariat.

Users of the present document should be aware that the document may be subject to revision or change of status.

Information on the current status of this and other ETSI documents is available at

https://portal.etsi.org/TB/ETSIDeliverableStatus.aspx

If you find errors in the present document, please send your comment to one of the following services:

https://portal.etsi.org/People/CommiteeSupportStaff.aspx
Copyright Notification

No part may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying

and microfilm except as authorized by written permission of ETSI.

The content of the PDF version shall not be modified without the written authorization of ETSI.

The copyright and the foregoing restriction extend to reproduction in all media.
© ETSI 2017.
All rights reserved.
TM TM TM

DECT , PLUGTESTS , UMTS and the ETSI logo are trademarks of ETSI registered for the benefit of its Members.

3GPP and LTE™ are trademarks of ETSI registered for the benefit of its Members and

of the 3GPP Organizational Partners.
oneM2M logo is protected for the benefit of its Members.

GSM® and the GSM logo are trademarks registered and owned by the GSM Association.

ETSI
---------------------- Page: 4 ----------------------
SIST EN 303 316 V1.1.1:2017
3 ETSI EN 303 316 V1.1.1 (2017-10)
Contents

Intellectual Property Rights ................................................................................................................................ 5

Foreword ............................................................................................................................................................. 5

Modal verbs terminology .................................................................................................................................... 6

Executive summary ............................................................................................................................................ 6

Introduction ........................................................................................................................................................ 6

1 Scope ........................................................................................................................................................ 7

2 References ................................................................................................................................................ 7

2.1 Normative references ......................................................................................................................................... 7

2.2 Informative references ........................................................................................................................................ 7

3 Definitions, symbols and abbreviations ................................................................................................... 8

3.1 Definitions .......................................................................................................................................................... 8

3.2 Symbols .............................................................................................................................................................. 8

3.3 Abbreviations ..................................................................................................................................................... 8

4 Technical requirements specifications ..................................................................................................... 9

4.1 General ............................................................................................................................................................... 9

4.1.1 Environmental profile ................................................................................................................................... 9

4.1.2 General System Characteristics .................................................................................................................... 9

4.1.3 Additional requirement for the Aircraft Station .......................................................................................... 10

4.2 Conformance requirements .............................................................................................................................. 10

4.2.1 General ........................................................................................................................................................ 10

4.2.2 Transmitter EIRP Spectral Density ............................................................................................................. 10

4.2.2.1 Definition .............................................................................................................................................. 10

4.2.2.2 Limits .................................................................................................................................................... 10

4.2.2.2.1 For operation in the 1 900 MHz to 1 920 MHz frequency band ...................................................... 10

4.2.2.2.2 For operation in the 5 850 MHz to 5 875 MHz frequency band ...................................................... 10

4.2.2.3 Conformance ......................................................................................................................................... 12

4.2.3 Designation of Centre Frequency ............................................................................................................... 12

4.2.4 Out-of-band EIRP Spectral Density ............................................................................................................ 12

4.2.4.1 Definition .............................................................................................................................................. 12

4.2.4.2 Limits .................................................................................................................................................... 12

4.2.4.2.1 For operation in the 1 900 MHz to 1 920 MHz frequency band ...................................................... 12

4.2.4.2.2 For operation in the 5 855 MHz to 5 875 MHz frequency band ...................................................... 13

4.2.4.3 Conformance ......................................................................................................................................... 13

4.2.5 Spurious emissions ..................................................................................................................................... 13

4.2.5.1 Definition .............................................................................................................................................. 13

4.2.5.2 Limits .................................................................................................................................................... 13

4.2.5.3 Conformance ......................................................................................................................................... 13

4.2.6 Cessation of emissions ................................................................................................................................ 13

4.2.6.1 Definition .............................................................................................................................................. 13

4.2.6.2 Limits .................................................................................................................................................... 13

4.2.6.3 Conformance ......................................................................................................................................... 14

4.2.7 Receiver parameters .................................................................................................................................... 14

4.2.7.1 Receiver sensitivity ............................................................................................................................... 14

4.2.7.1.1 Definition......................................................................................................................................... 14

4.2.7.1.2 Limits .............................................................................................................................................. 14

4.2.7.1.3 Conformance ................................................................................................................................... 14

4.2.7.2 Receiver adjacent channel selectivity.................................................................................................... 14

4.2.7.2.1 Definition......................................................................................................................................... 14

4.2.7.2.2 Limit ................................................................................................................................................ 14

4.2.7.2.3 Conformance ................................................................................................................................... 14

4.2.7.3 Detect and Avoid capability .................................................................................................................. 14

4.2.7.3.1 Definition......................................................................................................................................... 14

4.2.7.3.2 Limits .............................................................................................................................................. 14

ETSI
---------------------- Page: 5 ----------------------
SIST EN 303 316 V1.1.1:2017
4 ETSI EN 303 316 V1.1.1 (2017-10)

4.2.7.3.3 Conformance ................................................................................................................................... 15

5 Testing for compliance with technical requirements .............................................................................. 15

5.1 Environmental conditions for testing ............................................................................................................... 15

5.2 Interpretation of the measurement results ........................................................................................................ 15

5.3 Test Methods .................................................................................................................................................... 16

5.3.1 General considerations ................................................................................................................................ 16

5.3.2 EIRP Measurements ................................................................................................................................... 16

5.3.2.1 Common test conditions for radiated power measurements .................................................................. 16

5.3.2.2 Transmitter EIRP spectral density ......................................................................................................... 17

5.3.2.2.1 Ground Station measurement .......................................................................................................... 17

5.3.2.2.2 Aircraft Station measurement .......................................................................................................... 18

5.3.2.3 Out-of-band EIRP spectral density ....................................................................................................... 20

5.3.2.3.1 Tests required for 1 900 MHz to 1 920 MHz band only .................................................................. 20

5.3.3 Transmitter spurious emis sions ................................................................................................................... 23

5.3.3.1 Initial conditions ................................................................................................................................... 23

5.3.3.2 Procedure .............................................................................................................................................. 23

5.3.3.3 Test requirement ................................................................................................................................... 23

5.3.4 Cessation of emissions ................................................................................................................................ 23

5.3.4.1 Minimum operational altitude ............................................................................................................... 23

5.3.4.1.1 Test conditions ................................................................................................................................ 23

5.3.4.1.2 Test method ..................................................................................................................................... 23

5.3.4.2 Minimum operational elevation angle ................................................................................................... 23

5.3.4.2.1 Test conditions ................................................................................................................................ 23

5.3.4.2.2 Test method ..................................................................................................................................... 24

5.3.5 Receiver sensitivity ..................................................................................................................................... 24

5.3.5.1 Test conditions ...................................................................................................................................... 24

5.3.5.2 Test Method .......................................................................................................................................... 24

5.3.6 Receiver Adjacent channel selectivity ........................................................................................................ 24

5.3.6.1 Test conditions ...................................................................................................................................... 24

5.3.6.2 Test method ........................................................................................................................................... 24

5.3.6.3 Test requirement ................................................................................................................................... 24

5.3.7 Aircraft Station Detect and Avoid capability .............................................................................................. 24

5.3.7.0 Applicability.......................................................................................................................................... 24

5.3.7.1 Test conditions ...................................................................................................................................... 24

5.3.7.2 Test method ........................................................................................................................................... 25

5.3.7.2.1 Detection level ................................................................................................................................. 25

5.3.7.2.2 Reduced transmit EIRP density ....................................................................................................... 25

5.3.7.2.3 DAA reaction time .......................................................................................................................... 26

5.3.7.2.4 Test requirement .............................................................................................................................. 26

Annex A (informative): Relationship between the present document and the essential

requirements of Directive 2014/53/EU ......................................................... 27

Annex B (normative): Test specification ............................................................................................ 28

B.1 Normal test environment ........................................................................................................................ 28

B.2 RF Bandwidth ........................................................................................................................................ 28

B.3 Test Configurations ................................................................................................................................ 28

B.3.1 Transmitter spurious Emissions ....................................................................................................................... 28

B.3.2 Receiver ACS ................................................................................................................................................... 28

Annex C (normative): Geographical Data ......................................................................................... 30

C.1 Height above Ground ............................................................................................................................. 30

Annex D (informative): Bibliography ................................................................................................... 31

Annex E (informative): Change history ............................................................................................... 32

History .............................................................................................................................................................. 33

ETSI
---------------------- Page: 6 ----------------------
SIST EN 303 316 V1.1.1:2017
5 ETSI EN 303 316 V1.1.1 (2017-10)
Intellectual Property Rights
Essential patents

IPRs essential or potentially essential to the present document may have been declared to ETSI. The information

pertaining to these essential IPRs, if any, is publicly available for ETSI members and non-members, and can be found

in ETSI SR 000 314: "Intellectual Property Rights (IPRs); Essential, or potentially Essential, IPRs notified to ETSI in

respect of ETSI standards", which is available from the ETSI Secretariat. Latest updates are available on the ETSI Web

server (https://ipr.etsi.org/).

Pursuant to the ETSI IPR Policy, no investigation, including IPR searches, has been carried out by ETSI. No guarantee

can be given as to the existence of other IPRs not referenced in ETSI SR 000 314 (or the updates on the ETSI Web

server) which are, or may be, or may become, essential to the present document.
Trademarks

The present document may include trademarks and/or tradenames which are asserted and/or registered by their owners.

ETSI claims no ownership of these except for any which are indicated as being the property of ETSI, and conveys no

right to use or reproduce any trademark and/or tradename. Mention of those trademarks in the present document does

not constitute an endorsement by ETSI of products, services or organizations associated with those trademarks.

Foreword

This Harmonised European Standard (EN) has been produced by ETSI Technical Committee Broadband Radio Access

Networks (BRAN).

The present document has been prepared under the Commission's standardisation request C(2015) 5376 final [i.9] to

provide one voluntary means of conforming to the essential requirements of Directive 2014/53/EU on the harmonisation

of the laws of the Member States relating to the making available on the market of radio equipment and repealing

Directive 1999/5/EC [i.5].

Once the present document is cited in the Official Journal of the European Union under that Directive, compliance with

the normative clauses of the present document given in table A.1 confers, within the limits of the scope of the present

document, a presumption of conformity with the corresponding essential requirements of that Directive, and associated

EFTA regulations.

The technical requirements in the present document reflect, in part, the results of studies undertaken within the CEPT

on compatibility between broadband direct air-to-ground systems and other applications operating within, or adjacent

to, the frequency bands which are designated for BDA2GC operations. These studies are described in ECC

Report 209 [i.1] (for the 1 900 MHz to 1 920 MHz band) and ECC Report 210 [i.2] (for the 5 855 MHz to 5 875 MHz

band).

The resulting technical and operational requirements to be applied to BDA2GC systems in the 1 900 MHz to

1 920 MHz band and the 5 855 MHz to 5 875 MHz band are contained within ECC Decision(15)02 [i.3] and ECC

Decision(15)03 [i.4] respectively.
National transposition dates
Date of adoption of this EN: 3 July 2017
Date of latest announcement of this EN (doa): 31 October 2017
Date of latest publication of new National Standard
or endorsement of this EN (dop/e): 30 April 2018
Date of withdrawal of any conflicting National Standard (dow): 30 April 2019
ETSI
---------------------- Page: 7 ----------------------
SIST EN 303 316 V1.1.1:2017
6 ETSI EN 303 316 V1.1.1 (2017-10)
Modal verbs terminology

In the present document "shall", "shall not", "should", "should not", "may", "need not", "will", "will not", "can" and

"cannot" are to be interpreted as described in clause 3.2 of the ETSI Drafting Rules (Verbal forms for the expression of

provisions).

"must" and "must not" are NOT allowed in ETSI deliverables except when used in direct citation.

Executive summary

The present document addresses the Broadband Direct Air to Ground Communications system based on the System

Reference Document ETSI TR 101 599 [i.10]. ETSI TR 101 599 [i.10] was used by the ECC, in conjunction with other

contributions, to develop technology neutral ECC Decisions on the allocation of European spectrum in the frequency

bands 1 900 MHz to 1 920 MHz and 5 855 MHz to 5 875 MHz.

The technical requirements in the present document reflect, in part, the results of studies undertaken within the CEPT

on compatibility between broadband direct air-to-ground systems and other applications operating within, or adjacent

to, the frequency bands that are designated for BDA2GC operations.
Introduction

The present document has been developed in accordance with the guidelines contained in ETSI EG 203 336 [i.6].

ETSI
---------------------- Page: 8 ----------------------
SIST EN 303 316 V1.1.1:2017
7 ETSI EN 303 316 V1.1.1 (2017-10)
1 Scope

The present document specifies technical characteristics and methods of measurements for radio equipment at the

Ground Station and Aircraft Station for Broadband Direct Air-to-Ground communications systems employing

beamforming antennas.

These radio equipment types are capable of operating in all or any part of the frequency bands given in table 1.

Table 1: Radiocommunications service frequency bands
Radiocommunications service frequency bands
Transmit 1 1 900 MHz to 1 920 MHz
Receive 1 1 900 MHz to 1 920 MHz
Transmit 2 5 855 MHz to 5 875 MHz
Receive 2 5 855 MHz to 5 875 MHz

The present document covers the essential requirements of article 3.2 of Directive 2014/53/EU [i.5] under the

conditions identified in annex A.
2 References
2.1 Normative references

References are specific, identified by date of publication and/or edition number or version number. Only the cited

version applies.

Referenced documents which are not found to be publicly available in the expected location might be found at

http://docbox.etsi.org/Reference.

NOTE: While any hyperlinks included in this clause were valid at the time of publication, ETSI cannot guarantee

their long term validity.

The following referenced documents are necessary for the application of the present document.

[1] NIMA Technical Report TR8350.2 (1984, including amendment 1 of 03 January 2000 and

amendment 2 of 23 June 2004): "Department of Defense World Geodetic System 1984. Its

Definition and Relationships with Local Geodetic Systems".

[2] ETSI EN 302 502 (V2.1.1) (03-2017): "Wireless Access Systems (WAS); 5,8 GHz fixed

broadband data transmitting systems; Harmonised Standard covering the essential requirements of

article 3.2 of Directive 2014/53/EU".
2.2 Informative references

References are either specific (identified by date of publication and/or edition number or version number) or

non-specific. For specific references, only the cited version applies. For non-specific references, the latest version of the

referenced document (including any amendments) applies.

NOTE: While any hyperlinks included in this clause were valid at the time of publication, ETSI cannot guarantee

their long term validity.

The following referenced documents are not necessary for the application of the present document but they assist the

user with regard to a particular subject area.

[i.1] ECC Report 209: "Compatibility/sharing studies related to Broadband Direct-Air-to-Ground

Communications (DA2GC) in the frequency bands 1900-1920 MHz / 2010-2025 MHz and
services/applications in the adjacent bands".
ETSI
---------------------- Page: 9 ----------------------
SIST EN 303 316 V1.1.1:2017
8 ETSI EN 303 316 V1.1.1 (2017-10)

[i.2] ECC Report 210: "Compatibility/sharing studies related to Broadband Direct-Air-to-Ground

Communications (DA2GC) in the frequency bands 5855-5875 MHz, 2400-2483.5 MHz and
3400 3600 MHz".

[i.3] ECC Decision (15)02: "The harmonised use of broadband Direct Air-to-Ground Communications

(DA2GC) systems in the frequency band 1900-1920 MHz".

[i.4] ECC Decision (15)03: "The harmonised use of broadband Direct Air-to-Ground Communications

(DA2GC) systems in the frequency band 5855-5875 MHz".

[i.5] Directive 2014/53/EU of the European Parliament and of the Council of 16 April 2014 on the

harmonisation of the laws of the Member States relating to the making available on the market of

radio equipment and repealing Directive 1999/5/EC.

[i.6] ETSI EG 203 336: "Electromagnetic compatibility and Radio spectrum Matters (ERM); Guide for

the selection of technical parameters for the production of Harmonised Standards covering

article 3.1(b) and article 3.2 of Directive 2014/53/EU".

[i.7] ETSI TR 100 028 (V1.4.1) (all parts): "Electromagnetic compatibility and Radio spectrum Matters

(ERM); Uncertainties in the measurement of mobile radio equipment characteristics".

[i.8] ETSI TR 100 028-2 (V1.4.1): " Electromagnetic compatibility and Radio spectrum Matters

(ERM); Uncertainties in the measurement of mobile radio equipment characteristics; Part 2".

[i.9] Commission Implementing Decision C(2015) 5376 final of 4.8.2015 on a standardisation request

to the European Committee for Electrotechnical Standardisation and to the European

Telecommunications Standards Institute as regards radio equipment in support of Directive

2014/53/EU of the European Parliament and of the Council.

[i.10] ETSI TR 101 599 (V1.1.3) (09-2012): "Electromagnetic compatibility and Radio spectrum matters

(ERM) System Reference Document (SRDoc); Broadband Direct-Air-to-Ground Communications

System employing beamforming antennas, operating in the 2,4 GHz and
...

ETSI EN 303 316 V1.1.1 (2017-10)
HARMONISED EUROPEAN STANDARD
Broadband Direct Air-to-Ground Communications;
Equipment operating in the 1 900 MHz to 1 920 MHz and
5 855 MHz to 5 875 MHz frequency bands;
Beamforming antennas;
Harmonised Standard covering the essential requirements
of article 3.2 of Directive 2014/53/EU
---------------------- Page: 1 ----------------------
2 ETSI EN 303 316 V1.1.1 (2017-10)
Reference
DEN/BRAN-60013
Keywords
aeronautical, broadband, mobile, network, radio
ETSI
650 Route des Lucioles
F-06921 Sophia Antipolis Cedex - FRANCE
Tel.: +33 4 92 94 42 00 Fax: +33 4 93 65 47 16
Siret N° 348 623 562 00017 - NAF 742 C
Association à but non lucratif enregistrée à la
Sous-Préfecture de Grasse (06) N° 7803/88
Important notice
The present document can be downloaded from:
http://www.etsi.org/standards-search

The present document may be made available in electronic versions and/or in print. The content of any electronic and/or

print versions of the present document shall not be modified without the prior written authorization of ETSI. In case of any

existing or perceived difference in contents between such versions and/or in print, the only prevailing document is the

print of the Portable Document Format (PDF) version kept on a specific network drive within ETSI Secretariat.

Users of the present document should be aware that the document may be subject to revision or change of status.

Information on the current status of this and other ETSI documents is available at

https://portal.etsi.org/TB/ETSIDeliverableStatus.aspx

If you find errors in the present document, please send your comment to one of the following services:

https://portal.etsi.org/People/CommiteeSupportStaff.aspx
Copyright Notification

No part may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying

and microfilm except as authorized by written permission of ETSI.

The content of the PDF version shall not be modified without the written authorization of ETSI.

The copyright and the foregoing restriction extend to reproduction in all media.
© ETSI 2017.
All rights reserved.
TM TM TM

DECT , PLUGTESTS , UMTS and the ETSI logo are trademarks of ETSI registered for the benefit of its Members.

3GPP and LTE™ are trademarks of ETSI registered for the benefit of its Members and

of the 3GPP Organizational Partners.
oneM2M logo is protected for the benefit of its Members.

GSM® and the GSM logo are trademarks registered and owned by the GSM Association.

ETSI
---------------------- Page: 2 ----------------------
3 ETSI EN 303 316 V1.1.1 (2017-10)
Contents

Intellectual Property Rights ................................................................................................................................ 5

Foreword ............................................................................................................................................................. 5

Modal verbs terminology .................................................................................................................................... 6

Executive summary ............................................................................................................................................ 6

Introduction ........................................................................................................................................................ 6

1 Scope ........................................................................................................................................................ 7

2 References ................................................................................................................................................ 7

2.1 Normative references ......................................................................................................................................... 7

2.2 Informative references ........................................................................................................................................ 7

3 Definitions, symbols and abbreviations ................................................................................................... 8

3.1 Definitions .......................................................................................................................................................... 8

3.2 Symbols .............................................................................................................................................................. 8

3.3 Abbreviations ..................................................................................................................................................... 8

4 Technical requirements specifications ..................................................................................................... 9

4.1 General ............................................................................................................................................................... 9

4.1.1 Environmental profile ................................................................................................................................... 9

4.1.2 General System Characteristics .................................................................................................................... 9

4.1.3 Additional requirement for the Aircraft Station .......................................................................................... 10

4.2 Conformance requirements .............................................................................................................................. 10

4.2.1 General ........................................................................................................................................................ 10

4.2.2 Transmitter EIRP Spectral Density ............................................................................................................. 10

4.2.2.1 Definition .............................................................................................................................................. 10

4.2.2.2 Limits .................................................................................................................................................... 10

4.2.2.2.1 For operation in the 1 900 MHz to 1 920 MHz frequency band ...................................................... 10

4.2.2.2.2 For operation in the 5 850 MHz to 5 875 MHz frequency band ...................................................... 10

4.2.2.3 Conformance ......................................................................................................................................... 12

4.2.3 Designation of Centre Frequency ............................................................................................................... 12

4.2.4 Out-of-band EIRP Spectral Density ............................................................................................................ 12

4.2.4.1 Definition .............................................................................................................................................. 12

4.2.4.2 Limits .................................................................................................................................................... 12

4.2.4.2.1 For operation in the 1 900 MHz to 1 920 MHz frequency band ...................................................... 12

4.2.4.2.2 For operation in the 5 855 MHz to 5 875 MHz frequency band ...................................................... 13

4.2.4.3 Conformance ......................................................................................................................................... 13

4.2.5 Spurious emissions ..................................................................................................................................... 13

4.2.5.1 Definition .............................................................................................................................................. 13

4.2.5.2 Limits .................................................................................................................................................... 13

4.2.5.3 Conformance ......................................................................................................................................... 13

4.2.6 Cessation of emissions ................................................................................................................................ 13

4.2.6.1 Definition .............................................................................................................................................. 13

4.2.6.2 Limits .................................................................................................................................................... 13

4.2.6.3 Conformance ......................................................................................................................................... 14

4.2.7 Receiver parameters .................................................................................................................................... 14

4.2.7.1 Receiver sensitivity ............................................................................................................................... 14

4.2.7.1.1 Definition......................................................................................................................................... 14

4.2.7.1.2 Limits .............................................................................................................................................. 14

4.2.7.1.3 Conformance ................................................................................................................................... 14

4.2.7.2 Receiver adjacent channel selectivity.................................................................................................... 14

4.2.7.2.1 Definition......................................................................................................................................... 14

4.2.7.2.2 Limit ................................................................................................................................................ 14

4.2.7.2.3 Conformance ................................................................................................................................... 14

4.2.7.3 Detect and Avoid capability .................................................................................................................. 14

4.2.7.3.1 Definition......................................................................................................................................... 14

4.2.7.3.2 Limits .............................................................................................................................................. 14

ETSI
---------------------- Page: 3 ----------------------
4 ETSI EN 303 316 V1.1.1 (2017-10)

4.2.7.3.3 Conformance ................................................................................................................................... 15

5 Testing for compliance with technical requirements .............................................................................. 15

5.1 Environmental conditions for testing ............................................................................................................... 15

5.2 Interpretation of the measurement results ........................................................................................................ 15

5.3 Test Methods .................................................................................................................................................... 16

5.3.1 General considerations ................................................................................................................................ 16

5.3.2 EIRP Measurements ................................................................................................................................... 16

5.3.2.1 Common test conditions for radiated power measurements .................................................................. 16

5.3.2.2 Transmitter EIRP spectral density ......................................................................................................... 17

5.3.2.2.1 Ground Station measurement .......................................................................................................... 17

5.3.2.2.2 Aircraft Station measurement .......................................................................................................... 18

5.3.2.3 Out-of-band EIRP spectral density ....................................................................................................... 20

5.3.2.3.1 Tests required for 1 900 MHz to 1 920 MHz band only .................................................................. 20

5.3.3 Transmitter spurious emis sions ................................................................................................................... 23

5.3.3.1 Initial conditions ................................................................................................................................... 23

5.3.3.2 Procedure .............................................................................................................................................. 23

5.3.3.3 Test requirement ................................................................................................................................... 23

5.3.4 Cessation of emissions ................................................................................................................................ 23

5.3.4.1 Minimum operational altitude ............................................................................................................... 23

5.3.4.1.1 Test conditions ................................................................................................................................ 23

5.3.4.1.2 Test method ..................................................................................................................................... 23

5.3.4.2 Minimum operational elevation angle ................................................................................................... 23

5.3.4.2.1 Test conditions ................................................................................................................................ 23

5.3.4.2.2 Test method ..................................................................................................................................... 24

5.3.5 Receiver sensitivity ..................................................................................................................................... 24

5.3.5.1 Test conditions ...................................................................................................................................... 24

5.3.5.2 Test Method .......................................................................................................................................... 24

5.3.6 Receiver Adjacent channel selectivity ........................................................................................................ 24

5.3.6.1 Test conditions ...................................................................................................................................... 24

5.3.6.2 Test method ........................................................................................................................................... 24

5.3.6.3 Test requirement ................................................................................................................................... 24

5.3.7 Aircraft Station Detect and Avoid capability .............................................................................................. 24

5.3.7.0 Applicability.......................................................................................................................................... 24

5.3.7.1 Test conditions ...................................................................................................................................... 24

5.3.7.2 Test method ........................................................................................................................................... 25

5.3.7.2.1 Detection level ................................................................................................................................. 25

5.3.7.2.2 Reduced transmit EIRP density ....................................................................................................... 25

5.3.7.2.3 DAA reaction time .......................................................................................................................... 26

5.3.7.2.4 Test requirement .............................................................................................................................. 26

Annex A (informative): Relationship between the present document and the essential

requirements of Directive 2014/53/EU ......................................................... 27

Annex B (normative): Test specification ............................................................................................ 28

B.1 Normal test environment ........................................................................................................................ 28

B.2 RF Bandwidth ........................................................................................................................................ 28

B.3 Test Configurations ................................................................................................................................ 28

B.3.1 Transmitter spurious Emissions ....................................................................................................................... 28

B.3.2 Receiver ACS ................................................................................................................................................... 28

Annex C (normative): Geographical Data ......................................................................................... 30

C.1 Height above Ground ............................................................................................................................. 30

Annex D (informative): Bibliography ................................................................................................... 31

Annex E (informative): Change history ............................................................................................... 32

History .............................................................................................................................................................. 33

ETSI
---------------------- Page: 4 ----------------------
5 ETSI EN 303 316 V1.1.1 (2017-10)
Intellectual Property Rights
Essential patents

IPRs essential or potentially essential to the present document may have been declared to ETSI. The information

pertaining to these essential IPRs, if any, is publicly available for ETSI members and non-members, and can be found

in ETSI SR 000 314: "Intellectual Property Rights (IPRs); Essential, or potentially Essential, IPRs notified to ETSI in

respect of ETSI standards", which is available from the ETSI Secretariat. Latest updates are available on the ETSI Web

server (https://ipr.etsi.org/).

Pursuant to the ETSI IPR Policy, no investigation, including IPR searches, has been carried out by ETSI. No guarantee

can be given as to the existence of other IPRs not referenced in ETSI SR 000 314 (or the updates on the ETSI Web

server) which are, or may be, or may become, essential to the present document.
Trademarks

The present document may include trademarks and/or tradenames which are asserted and/or registered by their owners.

ETSI claims no ownership of these except for any which are indicated as being the property of ETSI, and conveys no

right to use or reproduce any trademark and/or tradename. Mention of those trademarks in the present document does

not constitute an endorsement by ETSI of products, services or organizations associated with those trademarks.

Foreword

This Harmonised European Standard (EN) has been produced by ETSI Technical Committee Broadband Radio Access

Networks (BRAN).

The present document has been prepared under the Commission's standardisation request C(2015) 5376 final [i.9] to

provide one voluntary means of conforming to the essential requirements of Directive 2014/53/EU on the harmonisation

of the laws of the Member States relating to the making available on the market of radio equipment and repealing

Directive 1999/5/EC [i.5].

Once the present document is cited in the Official Journal of the European Union under that Directive, compliance with

the normative clauses of the present document given in table A.1 confers, within the limits of the scope of the present

document, a presumption of conformity with the corresponding essential requirements of that Directive, and associated

EFTA regulations.

The technical requirements in the present document reflect, in part, the results of studies undertaken within the CEPT

on compatibility between broadband direct air-to-ground systems and other applications operating within, or adjacent

to, the frequency bands which are designated for BDA2GC operations. These studies are described in ECC

Report 209 [i.1] (for the 1 900 MHz to 1 920 MHz band) and ECC Report 210 [i.2] (for the 5 855 MHz to 5 875 MHz

band).

The resulting technical and operational requirements to be applied to BDA2GC systems in the 1 900 MHz to

1 920 MHz band and the 5 855 MHz to 5 875 MHz band are contained within ECC Decision(15)02 [i.3] and ECC

Decision(15)03 [i.4] respectively.
National transposition dates
Date of adoption of this EN: 3 July 2017
Date of latest announcement of this EN (doa): 31 October 2017
Date of latest publication of new National Standard
or endorsement of this EN (dop/e): 30 April 2018
Date of withdrawal of any conflicting National Standard (dow): 30 April 2019
ETSI
---------------------- Page: 5 ----------------------
6 ETSI EN 303 316 V1.1.1 (2017-10)
Modal verbs terminology

In the present document "shall", "shall not", "should", "should not", "may", "need not", "will", "will not", "can" and

"cannot" are to be interpreted as described in clause 3.2 of the ETSI Drafting Rules (Verbal forms for the expression of

provisions).

"must" and "must not" are NOT allowed in ETSI deliverables except when used in direct citation.

Executive summary

The present document addresses the Broadband Direct Air to Ground Communications system based on the System

Reference Document ETSI TR 101 599 [i.10]. ETSI TR 101 599 [i.10] was used by the ECC, in conjunction with other

contributions, to develop technology neutral ECC Decisions on the allocation of European spectrum in the frequency

bands 1 900 MHz to 1 920 MHz and 5 855 MHz to 5 875 MHz.

The technical requirements in the present document reflect, in part, the results of studies undertaken within the CEPT

on compatibility between broadband direct air-to-ground systems and other applications operating within, or adjacent

to, the frequency bands that are designated for BDA2GC operations.
Introduction

The present document has been developed in accordance with the guidelines contained in ETSI EG 203 336 [i.6].

ETSI
---------------------- Page: 6 ----------------------
7 ETSI EN 303 316 V1.1.1 (2017-10)
1 Scope

The present document specifies technical characteristics and methods of measurements for radio equipment at the

Ground Station and Aircraft Station for Broadband Direct Air-to-Ground communications systems employing

beamforming antennas.

These radio equipment types are capable of operating in all or any part of the frequency bands given in table 1.

Table 1: Radiocommunications service frequency bands
Radiocommunications service frequency bands
Transmit 1 1 900 MHz to 1 920 MHz
Receive 1 1 900 MHz to 1 920 MHz
Transmit 2 5 855 MHz to 5 875 MHz
Receive 2 5 855 MHz to 5 875 MHz

The present document covers the essential requirements of article 3.2 of Directive 2014/53/EU [i.5] under the

conditions identified in annex A.
2 References
2.1 Normative references

References are specific, identified by date of publication and/or edition number or version number. Only the cited

version applies.

Referenced documents which are not found to be publicly available in the expected location might be found at

http://docbox.etsi.org/Reference.

NOTE: While any hyperlinks included in this clause were valid at the time of publication, ETSI cannot guarantee

their long term validity.

The following referenced documents are necessary for the application of the present document.

[1] NIMA Technical Report TR8350.2 (1984, including amendment 1 of 03 January 2000 and

amendment 2 of 23 June 2004): "Department of Defense World Geodetic System 1984. Its

Definition and Relationships with Local Geodetic Systems".

[2] ETSI EN 302 502 (V2.1.1) (03-2017): "Wireless Access Systems (WAS); 5,8 GHz fixed

broadband data transmitting systems; Harmonised Standard covering the essential requirements of

article 3.2 of Directive 2014/53/EU".
2.2 Informative references

References are either specific (identified by date of publication and/or edition number or version number) or

non-specific. For specific references, only the cited version applies. For non-specific references, the latest version of the

referenced document (including any amendments) applies.

NOTE: While any hyperlinks included in this clause were valid at the time of publication, ETSI cannot guarantee

their long term validity.

The following referenced documents are not necessary for the application of the present document but they assist the

user with regard to a particular subject area.

[i.1] ECC Report 209: "Compatibility/sharing studies related to Broadband Direct-Air-to-Ground

Communications (DA2GC) in the frequency bands 1900-1920 MHz / 2010-2025 MHz and
services/applications in the adjacent bands".
ETSI
---------------------- Page: 7 ----------------------
8 ETSI EN 303 316 V1.1.1 (2017-10)

[i.2] ECC Report 210: "Compatibility/sharing studies related to Broadband Direct-Air-to-Ground

Communications (DA2GC) in the frequency bands 5855-5875 MHz, 2400-2483.5 MHz and
3400 3600 MHz".

[i.3] ECC Decision (15)02: "The harmonised use of broadband Direct Air-to-Ground Communications

(DA2GC) systems in the frequency band 1900-1920 MHz".

[i.4] ECC Decision (15)03: "The harmonised use of broadband Direct Air-to-Ground Communications

(DA2GC) systems in the frequency band 5855-5875 MHz".

[i.5] Directive 2014/53/EU of the European Parliament and of the Council of 16 April 2014 on the

harmonisation of the laws of the Member States relating to the making available on the market of

radio equipment and repealing Directive 1999/5/EC.

[i.6] ETSI EG 203 336: "Electromagnetic compatibility and Radio spectrum Matters (ERM); Guide for

the selection of technical parameters for the production of Harmonised Standards covering

article 3.1(b) and article 3.2 of Directive 2014/53/EU".

[i.7] ETSI TR 100 028 (V1.4.1) (all parts): "Electromagnetic compatibility and Radio spectrum Matters

(ERM); Uncertainties in the measurement of mobile radio equipment characteristics".

[i.8] ETSI TR 100 028-2 (V1.4.1): " Electromagnetic compatibility and Radio spectrum Matters

(ERM); Uncertainties in the measurement of mobile radio equipment characteristics; Part 2".

[i.9] Commission Implementing Decision C(2015) 5376 final of 4.8.2015 on a standardisation request

to the European Committee for Electrotechnical Standardisation and to the European

Telecommunications Standards Institute as regards radio equipment in support of Directive

2014/53/EU of the European Parliament and of the Council.

[i.10] ETSI TR 101 599 (V1.1.3) (09-2012): "Electromagnetic compatibility and Radio spectrum matters

(ERM) System Reference Document (SRDoc); Broadband Direct-Air-to-Ground Communications

System employing beamforming antennas, operating in the 2,4 GHz and 5,8 GHz bands".

3 Definitions, symbols and abbreviations
3.1 Definitions

For the purposes of the present document, the terms and definitions given in Directive 2014/53/EU [i.5] and the

following apply:

Network Control Facility (NCF): set of functional entities that, at system level, monitor and control the correct

operation of the Ground Station (GS) and Aircraft Station (AS) and, if appropriate, all of the GSs and ASs in a

BDA2GC network

transmission disabled state: state which a GS or AS is in when it is not authorized by the NCF to transmit

transmission enabled state: state which a GS or AS is in when it is authorized by the NCF to transmit

3.2 Symbols
For the purposes of the present document, the following symbols apply:
f Channel centre frequency
3.3 Abbreviations
For the purposes of the present document, the following abbreviations apply:
ACS Adjacent Channel Selectivity
AS Aircraft Station
ETSI
---------------------- Page: 8 ----------------------
9 ETSI EN 303 316 V1.1.1 (2017-10)
ATPC Automatic Transmit Power Control
BDA2GC Broadband Direct Air-to-Ground Communications
BFWA Broadband Fixed Wireless Access
BW Bandwidth
CEPT Conférence Européenne des Postes et des Télécommunications
DA2GC Direct Air-to-Ground Communications
DAA Detect
...

Final draft ETSI EN 303 316 V1.1.0 (2017-04)
HARMONISED EUROPEAN STANDARD
Broadband Direct Air-to-Ground Communications;
Equipment operating in the 1 900 MHz to 1 920 MHz and
5 855 MHz to 5 875 MHz frequency bands;
Beamforming antennas;
Harmonised Standard covering the essential requirements
of article 3.2 of Directive 2014/53/EU
---------------------- Page: 1 ----------------------
2 Final draft ETSI EN 303 316 V1.1.0 (2017-04)
Reference
DEN/BRAN-0060013
Keywords
aeronautical, broadband, mobile, network, radio
ETSI
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The copyright and the foregoing restriction extend to reproduction in all media.
© European Telecommunications Standards Institute 2017.
All rights reserved.
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DECT , PLUGTESTS , UMTS and the ETSI logo are Trade Marks of ETSI registered for the benefit of its Members.

3GPP and LTE™ are Trade Marks of ETSI registered for the benefit of its Members and

of the 3GPP Organizational Partners.
oneM2M logo is protected for the benefit of its Members

GSM® and the GSM logo are Trade Marks registered and owned by the GSM Association.

ETSI
---------------------- Page: 2 ----------------------
3 Final draft ETSI EN 303 316 V1.1.0 (2017-04)
Contents

Intellectual Property Rights ................................................................................................................................ 5

Foreword ............................................................................................................................................................. 5

Modal verbs terminology .................................................................................................................................... 5

Executive summary ............................................................................................................................................ 6

Introduction ........................................................................................................................................................ 6

1 Scope ........................................................................................................................................................ 7

2 References ................................................................................................................................................ 7

2.1 Normative references ......................................................................................................................................... 7

2.2 Informative references ........................................................................................................................................ 7

3 Definitions, symbols and abbreviations ................................................................................................... 8

3.1 Definitions .......................................................................................................................................................... 8

3.2 Symbols .............................................................................................................................................................. 8

3.3 Abbreviations ..................................................................................................................................................... 8

4 Technical requirements specifications ..................................................................................................... 9

4.1 General ............................................................................................................................................................... 9

4.1.1 Environmental profile ................................................................................................................................... 9

4.1.2 General System Characteristics .................................................................................................................... 9

4.1.3 Additional requirement for the Aircraft Station .......................................................................................... 10

4.2 Conformance requirements .............................................................................................................................. 10

4.2.1 General ........................................................................................................................................................ 10

4.2.2 Transmitter EIRP Spectral Density ............................................................................................................. 10

4.2.2.1 Definition .............................................................................................................................................. 10

4.2.2.2 Limits .................................................................................................................................................... 10

4.2.2.2.1 For operation in the 1 900 MHz to 1 920 MHz frequency band ...................................................... 10

4.2.2.2.2 For operation in the 5 850 MHz to 5 875 MHz frequency band ...................................................... 10

4.2.2.3 Conformance ......................................................................................................................................... 12

4.2.3 Designation of Centre Frequency ............................................................................................................... 12

4.2.4 Out-of-band EIRP Spectral Density ............................................................................................................ 12

4.2.4.1 Definition .............................................................................................................................................. 12

4.2.4.2 Limits .................................................................................................................................................... 12

4.2.4.2.1 For operation in the 1 900 MHz to 1 920 MHz frequency band ...................................................... 12

4.2.4.2.2 For operation in the 5 855 MHz to 5 875 MHz band....................................................................... 13

4.2.4.3 Conformance ......................................................................................................................................... 13

4.2.5 Spurious emissions ..................................................................................................................................... 13

4.2.5.1 Definition .............................................................................................................................................. 13

4.2.5.2 Limits .................................................................................................................................................... 13

4.2.5.3 Conformance ......................................................................................................................................... 13

4.2.6 Cessation of emissions ................................................................................................................................ 13

4.2.6.1 Definition .............................................................................................................................................. 13

4.2.6.2 Limits .................................................................................................................................................... 14

4.2.6.3 Conformance ......................................................................................................................................... 14

4.2.7 Receiver parameters .................................................................................................................................... 14

4.2.7.1 Receiver sensitivity ............................................................................................................................... 14

4.2.7.1.1 Definition......................................................................................................................................... 14

4.2.7.1.2 Limits .............................................................................................................................................. 14

4.2.7.1.3 Conformance ................................................................................................................................... 14

4.2.7.2 Receiver adjacent channel selectivity.................................................................................................... 14

4.2.7.2.1 Definition......................................................................................................................................... 14

4.2.7.2.2 Limit ................................................................................................................................................ 14

4.2.7.2.3 Conformance ................................................................................................................................... 14

4.2.7.3 Detect and Avoid capability .................................................................................................................. 14

4.2.7.3.1 Definition......................................................................................................................................... 14

4.2.7.3.2 Limits .............................................................................................................................................. 15

ETSI
---------------------- Page: 3 ----------------------
4 Final draft ETSI EN 303 316 V1.1.0 (2017-04)

4.2.7.3.3 Conformance ................................................................................................................................... 15

5 Testing for compliance with technical requirements .............................................................................. 15

5.1 Environmental conditions for testing ............................................................................................................... 15

5.2 Interpretation of the measurement results ........................................................................................................ 15

5.3 Test Methods .................................................................................................................................................... 16

5.3.1 General considerations ................................................................................................................................ 16

5.3.2 EIRP Measurements ................................................................................................................................... 16

5.3.2.1 Common test conditions for radiated power measurements .................................................................. 16

5.3.2.2 Transmitter EIRP spectral density ......................................................................................................... 17

5.3.2.2.1 Ground Station measurement .......................................................................................................... 17

5.3.2.2.2 Aircraft Station measurement .......................................................................................................... 19

5.3.2.3 Out-of-band EIRP spectral density ....................................................................................................... 20

5.3.2.3.1 Tests required for 1 900 MHz to 1 920 MHz band only .................................................................. 20

5.3.3 Transmitter spurious emis sions ................................................................................................................... 23

5.3.3.1 Initial conditions ................................................................................................................................... 23

5.3.3.2 Procedure .............................................................................................................................................. 23

5.3.3.3 Test requirement ................................................................................................................................... 23

5.3.4 Cessation of emissions ................................................................................................................................ 23

5.3.4.1 Minimum operational altitude ............................................................................................................... 23

5.3.4.1.1 Test conditions ................................................................................................................................ 23

5.3.4.1.2 Test method ..................................................................................................................................... 23

5.3.4.2 Minimum operational elevation angle ................................................................................................... 23

5.3.4.2.1 Test conditions ................................................................................................................................ 23

5.3.4.2.2 Test method ..................................................................................................................................... 24

5.3.5 Receiver sensitivity ..................................................................................................................................... 24

5.3.5.1 Test conditions ...................................................................................................................................... 24

5.3.5.2 Test Method .......................................................................................................................................... 24

5.3.6 Receiver Adjacent channel selectivity ........................................................................................................ 24

5.3.6.1 Test conditions ...................................................................................................................................... 24

5.3.6.2 Test method ........................................................................................................................................... 24

5.3.6.3 Test requirement ................................................................................................................................... 24

5.3.7 Aircraft Station Detect and Avoid capability .............................................................................................. 24

5.3.7.0 Applicability.......................................................................................................................................... 24

5.3.7.1 Test conditions ...................................................................................................................................... 24

5.3.7.2 Test method ........................................................................................................................................... 25

5.3.7.2.1 Detection level ................................................................................................................................. 25

5.3.7.2.2 Reduced transmit EIRP density ....................................................................................................... 25

5.3.7.2.3 DAA reaction time .......................................................................................................................... 26

5.3.7.2.4 Test requirement ................................................................................................................................... 26

Annex A (informative): Relationship between the present document and the essential

requirements of Directive 2014/53/EU ......................................................... 27

Annex B (normative): Test specification ............................................................................................ 28

B.1 Normal test environment ........................................................................................................................ 28

B.2 RF Bandwidth ........................................................................................................................................ 28

B.3 Test Configurations ................................................................................................................................ 28

B.3.1 Transmitter spurious Emissions ....................................................................................................................... 28

B.3.2 Receiver ACS ................................................................................................................................................... 28

Annex C (normative): Geographical Data ......................................................................................... 30

C.1 Height above Ground ............................................................................................................................. 30

Annex D (informative): Bibliography ................................................................................................... 31

Annex E (informative): Change History .............................................................................................. 32

History .............................................................................................................................................................. 33

ETSI
---------------------- Page: 4 ----------------------
5 Final draft ETSI EN 303 316 V1.1.0 (2017-04)
Intellectual Property Rights

IPRs essential or potentially essential to the present document may have been declared to ETSI. The information

pertaining to these essential IPRs, if any, is publicly available for ETSI members and non-members, and can be found

in ETSI SR 000 314: "Intellectual Property Rights (IPRs); Essential, or potentially Essential, IPRs notified to ETSI in

respect of ETSI standards", which is available from the ETSI Secretariat. Latest updates are available on the ETSI Web

server (https://ipr.etsi.org/).

Pursuant to the ETSI IPR Policy, no investigation, including IPR searches, has been carried out by ETSI. No guarantee

can be given as to the existence of other IPRs not referenced in ETSI SR 000 314 (or the updates on the ETSI Web

server) which are, or may be, or may become, essential to the present document.
Foreword

This final draft Harmonised European Standard (EN) has been produced by ETSI Technical Committee Broadband

Radio Access Networks (BRAN), and is now submitted for the Vote phase of the ETSI standards EN Approval

Procedure.

The present document has been prepared under the Commission's standardisation request C(2015) 5376 final [i.10] to

provide one voluntary means of conforming to the essential requirements of Directive 2014/53/EU on the harmonisation

of the laws of the Member States relating to the making available on the market of radio equipment and repealing

Directive 1999/5/EC [i.5].

Once the present document is cited in the Official Journal of the European Union under that Directive, compliance with

the normative clauses of the present document given in table A.1 confers, within the limits of the scope of the present

document, a presumption of conformity with the corresponding essential requirements of that Directive, and associated

EFTA regulations.

The technical requirements in the present document reflect, in part, the results of studies undertaken within the CEPT

on compatibility between broadband direct air-to-ground systems and other applications operating within, or adjacent

to, the frequency bands which are designated for BDA2GC operations. These studies are described in ECC

Report 209 [i.1] (for the 1 900 MHz to 1 920 MHz band) and ECC Report 210 [i.2] (for the 5 855 MHz to 5 875 MHz

band).

The resulting technical and operational requirements to be applied to BDA2GC systems in the 1 900 MHz to

1 920 MHz band and the 5 855 MHz to 5 875 MHz band are contained within ECC Decision(15)02 [i.3] and ECC

Decision(15)03 [i.4] respectively.
Proposed national transposition dates
Date of latest announcement of this EN (doa): 3 months after ETSI publication
Date of latest publication of new National Standard
or endorsement of this EN (dop/e): 6 months after doa

Date of withdrawal of any conflicting National Standard (dow): 18 months after doa

Modal verbs terminology

In the present document "shall", "shall not", "should", "should not", "may", "need not", "will", "will not", "can" and

"cannot" are to be interpreted as described in clause 3.2 of the ETSI Drafting Rules (Verbal forms for the expression of

provisions).

"must" and "must not" are NOT allowed in ETSI deliverables except when used in direct citation.

ETSI
---------------------- Page: 5 ----------------------
6 Final draft ETSI EN 303 316 V1.1.0 (2017-04)
Executive summary

The present document addresses the Broadband Direct Air to Ground Communications system based on the System

Reference Document ETSI TR 101 599 [i.10]. ETSI TR 101 599 [i.10] was used by the ECC, in conjunction with other

contributions, to develop technology neutral ECC Decisions on the allocation of European spectrum in the frequency

bands 1 900 MHz to 1 920 MHz and 5 855 MHz to 5 875 MHz.

The technical requirements in the present document reflect, in part, the results of studies undertaken within the CEPT

on compatibility between broadband direct air-to-ground systems and other applications operating within, or adjacent

to, the frequency bands that are designated for BDA2GC operations.
Introduction

The present document has been developed in accordance with the guidelines contained in ETSI EG 203 336 [i.6].

ETSI
---------------------- Page: 6 ----------------------
7 Final draft ETSI EN 303 316 V1.1.0 (2017-04)
1 Scope

The present document specifies technical characteristics and methods of measurements for radio equipment at the

Ground Station and Aircraft Station for Broadband Direct Air-to-Ground communications systems employing

beamforming antennas.

These radio equipment types are capable of operating in all or any part of the frequency bands given in table 1.

Table 1: Radiocommunications service frequency bands
Radiocommunications service frequency bands
Transmit 1 1 900 MHz to 1 920 MHz
Receive 1 1 900 MHz to 1 920 MHz
Transmit 2 5 855 MHz to 5 875 MHz
Receive 2 5 855 MHz to 5 875 MHz

The present document covers the essential requirements of article 3.2 of Directive 2014/53/EU [i.5] under the

conditions identified in annex A.
2 References
2.1 Normative references

References are specific, identified by date of publication and/or edition number or version number. Only the cited

version applies.

Referenced documents which are not found to be publicly available in the expected location might be found at

http://docbox.etsi.org/Reference.

NOTE: While any hyperlinks included in this clause were valid at the time of publication, ETSI cannot guarantee

their long term validity.

The following referenced documents are necessary for the application of the present document.

[1] NIMA Technical Report TR8350.2 (1984, including amendment 1 of 03 January 2000 and

amendment 2 of 23 June 2004): "Department of Defense World Geodetic System 1984. Its

Definition and Relationships with Local Geodetic Systems".

[2] ETSI EN 302 502 (V2.1.1) (2017-03): "Wireless Access Systems (WAS); 5,8 GHz fixed

broadband data transmitting systems; Harmonised Standard covering the essential requirements of

article 3.2 of Directive 2014/53/EU".
2.2 Informative references

References are either specific (identified by date of publication and/or edition number or version number) or

non-specific. For specific references, only the cited version applies. For non-specific references, the latest version of the

referenced document (including any amendments) applies.

NOTE: While any hyperlinks included in this clause were valid at the time of publication, ETSI cannot guarantee

their long term validity.

The following referenced documents are not necessary for the application of the present document but they assist the

user with regard to a particular subject area.

[i.1] ECC Report 209: "Compatibility/sharing studies related to Broadband Direct-Air-to-Ground

Communications (DA2GC) in the frequency bands 1900-1920 MHz / 2010-2025 MHz and
services/applications in the adjacent bands".
ETSI
---------------------- Page: 7 ----------------------
8 Final draft ETSI EN 303 316 V1.1.0 (2017-04)

[i.2] ECC Report 210: "Compatibility/sharing studies related to Broadband Direct-Air-to-Ground

Communications (DA2GC) in the frequency bands 5855-5875 MHz, 2400-2483.5 MHz and
3400 3600 MHz".

[i.3] ECC Decision (15)02: "The harmonised use of broadband Direct Air-to-Ground Communications

(DA2GC) systems in the frequency band 1900-1920 MHz".

[i.4] ECC Decision (15)03: "The harmonised use of broadband Direct Air-to-Ground Communications

(DA2GC) systems in the frequency band 5855-5875 MHz".

[i.5] Directive 2014/53/EU of the European Parliament and of the Council of 16 April 2014 on the

harmonisation of the laws of the Member States relating to the making available on the market of

radio equipment and repealing Directive 1999/5/EC.

[i.6] ETSI EG 203 336: "Electromagnetic compatibility and Radio spectrum Matters (ERM); Guide for

the selection of technical parameters for the production of Harmonised Standards covering

article 3.1(b) and article 3.2 of Directive 2014/53/EU".

[i.7] ETSI TR 100 028 (V1.4.1) (all parts): "Electromagnetic compatibility and Radio spectrum Matters

(ERM); Uncertainties in the measurement of mobile radio equipment characteristics".

[i.8] ETSI TR 100 028-2 (V1.4.1): " Electromagnetic compatibility and Radio spectrum Matters

(ERM); Uncertainties in the measurement of mobile radio equipment characteristics; Part 2".

[i.9] Commission Implementing Decision C(2015) 5376 final of 4.8.2015 on a standardisation request

to the European Committee for Electrotechnical Standardisation and to the European

Telecommunications Standards Institute as regards radio equipment in support of Directive

2014/53/EU of the European Parliament and of the Council.

[i.10] ETSI TR 101 599 (V1.1.3) (09-2012): "Electromagnetic compatibility and Radio spectrum matters

(ERM) System Reference Document (SRDoc); Broadband Direct-Air-to-Ground Communications

System employing beamforming antennas, operating in the 2,4 GHz and 5,8 GHz bands".

3 Definitions, symbols and abbreviations
3.1 Definitions

For the purposes of the present document, the terms and definitions given in Directive 2014/53/EU [i.5] and the

following apply:

Network Control Facility (NCF): set of functional entities that, at system level, monitor and control the correct

operation of the Ground Station (GS) and Aircraft Station (AS) and, if appropriate, all of the GSs and ASs in a

BDA2GC network

transmission disabled state: state which a GS or AS is in when it is not authorized by the NCF to transmit

transmission enabled state: state which a GS or AS is in when it is authorized by the NCF to transmit

3.2 Symbols
For the purposes of the present document, the following symbols apply:
f Channel centre frequency
3.3 Abbreviations
For the purposes of the present document, the following abbreviations apply:
ACS Adjacent Channel Selectivity
AS Aircraft Station
ETSI
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9 Final draft ETSI EN 303 316 V1.1.0 (2017-04)
ATPC Automatic Transmit Power Control
BDA2GC Broadband Direct Air-to-Ground Communications
BFWA Broadband Fixed Wireless Access
BW Bandwidth
CEPT Conférence Européenne des Postes et des Télécommunications
DA2GC Direct Air-to-Ground Communications
DAA Detect and Avoid
ECC Electronic Communications Committee
EEC European Economic Community
EIRP Equivalent Isotropically Radiated Power
EMC ElectroMagnetic Compatibility
EUT Equipment Under Test
GNSS Global Navigation Satellite Sys
...

Draft ETSI EN 303 316 V1.0.3 (2016-09)
HARMONISED EUROPEAN STANDARD
Broadband Direct Air-to-Ground Communications;
Equipment operating in the 1 900 MHz to 1 920 MHz and
5 855 MHz to 5 875 MHz frequency bands;
Beamforming antennas;
Harmonised Standard covering the essential requirements
of article 3.2 of Directive 2014/53/EU
---------------------- Page: 1 ----------------------
2 Draft ETSI EN 303 316 V1.0.3 (2016-09)
Reference
DEN/BRAN-0060013
Keywords
aeronautical, broadband, mobile, network, radio
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GSM® and the GSM logo are Trade Marks registered and owned by the GSM Association.

ETSI
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3 Draft ETSI EN 303 316 V1.0.3 (2016-09)
Contents

Intellectual Property Rights ................................................................................................................................ 5

Foreword ............................................................................................................................................................. 5

Modal verbs terminology .................................................................................................................................... 5

Executive summary ............................................................................................................................................ 6

Introduction ........................................................................................................................................................ 6

1 Scope ........................................................................................................................................................ 7

2 References ................................................................................................................................................ 7

2.1 Normative references ......................................................................................................................................... 7

2.2 Informative references ........................................................................................................................................ 7

3 Definitions, symbols and abbreviations ................................................................................................... 8

3.1 Definitions .......................................................................................................................................................... 8

3.2 Symbols .............................................................................................................................................................. 8

3.3 Abbreviations ..................................................................................................................................................... 8

4 Technical requirements specifications ..................................................................................................... 9

4.1 General ............................................................................................................................................................... 9

4.1.1 Environmental profile ................................................................................................................................... 9

4.1.2 General System Characteristics .................................................................................................................... 9

4.1.3 Additional requirement for the Aircraft Station .......................................................................................... 10

4.2 Conformance requirements .............................................................................................................................. 10

4.2.1 General ........................................................................................................................................................ 10

4.2.2 Transmitter EIRP Spectral Density ............................................................................................................. 10

4.2.2.1 Definition .............................................................................................................................................. 10

4.2.2.2 Limits .................................................................................................................................................... 10

4.2.2.2.1 For operation in the 1 900 MHz to 1 920 MHz frequency band ...................................................... 10

4.2.2.2.2 For operation in the 5 850 MHz to 5 875 MHz frequency band ...................................................... 10

4.2.2.3 Conformance ......................................................................................................................................... 12

4.2.3 Designation of Centre Frequency ............................................................................................................... 12

4.2.4 Out-of-band EIRP Spectral Density ............................................................................................................ 12

4.2.4.1 Definition .............................................................................................................................................. 12

4.2.4.2 Limits .................................................................................................................................................... 12

4.2.4.2.1 For operation in the 1 900 MHz to 1 920 MHz frequency band ...................................................... 12

4.2.4.2.2 For operation in the 5 855 MHz to 5 875 MHz band....................................................................... 13

4.2.4.3 Conformance ......................................................................................................................................... 13

4.2.5 Cessation of emissions ................................................................................................................................ 13

4.2.5.1 Definition .............................................................................................................................................. 13

4.2.5.2 Limits .................................................................................................................................................... 13

4.2.5.3 Conformance ......................................................................................................................................... 13

4.2.6 Receiver parameters .................................................................................................................................... 13

4.2.6.1 Receiver sensitivity ............................................................................................................................... 13

4.2.6.1.1 Definition......................................................................................................................................... 13

4.2.6.1.2 Limits .............................................................................................................................................. 13

4.2.6.1.3 Conformance ................................................................................................................................... 14

4.2.6.2 Receiver adjacent channel selectivity.................................................................................................... 14

4.2.6.2.1 Definition......................................................................................................................................... 14

4.2.6.2.2 Limit ................................................................................................................................................ 14

4.2.6.2.3 Conformance ................................................................................................................................... 14

4.2.6.3 Detect and Avoid capability .................................................................................................................. 14

4.2.6.3.1 Definition......................................................................................................................................... 14

4.2.6.3.2 Limits .............................................................................................................................................. 14

4.2.6.3.3 Conformance ................................................................................................................................... 14

5 Testing for compliance with technical requirements .............................................................................. 14

5.1 Environmental conditions for testing ............................................................................................................... 14

ETSI
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4 Draft ETSI EN 303 316 V1.0.3 (2016-09)

5.2 Interpretation of the measurement results ........................................................................................................ 15

5.3 Test Methods .................................................................................................................................................... 15

5.3.1 General considerations ................................................................................................................................ 15

5.3.2 EIRP Measurements ................................................................................................................................... 16

5.3.2.1 Common test conditions for radiated power measurements .................................................................. 16

5.3.2.2 Transmitter EIRP spectral density ......................................................................................................... 16

5.3.2.2.1 Ground Station measurement .......................................................................................................... 16

5.3.2.2.2 Aircraft Station measurement .......................................................................................................... 18

5.3.2.3 Out-of-band EIRP spectral density ....................................................................................................... 19

5.3.2.3.1 Tests required for 1 900 MHz to 1 920 MHz band only .................................................................. 19

5.3.3 Cessation of emissions ................................................................................................................................ 21

5.3.3.1 Minimum operational altitude ............................................................................................................... 21

5.3.3.1.1 Test conditions ................................................................................................................................ 21

5.3.3.1.2 Test method ..................................................................................................................................... 21

5.3.3.2 Minimum operational elevation angle ................................................................................................... 21

5.3.3.2.1 Test conditions ................................................................................................................................ 21

5.3.3.2.2 Test method ..................................................................................................................................... 21

5.3.4 Receiver sensitivity ..................................................................................................................................... 22

5.3.4.1 Test conditions ...................................................................................................................................... 22

5.3.4.2 Test Method .......................................................................................................................................... 22

5.3.5 Receiver Adjacent channel selectivity ........................................................................................................ 22

5.3.5.1 Test conditions ...................................................................................................................................... 22

5.3.5.2 Test method ........................................................................................................................................... 22

5.3.6 Aircraft Station Detect and Avoid capability .............................................................................................. 22

5.3.6.0 Applicability.......................................................................................................................................... 22

5.3.6.1 Test conditions ...................................................................................................................................... 22

5.3.6.2 Test method ........................................................................................................................................... 23

Annex A (normative): Relationship between the present document and the essential

requirements of Directive 2014/53/EU ......................................................... 24

Annex B (normative): Test specification ............................................................................................ 25

B.1 Normal test environment ........................................................................................................................ 25

B.2 RF Bandwidth ........................................................................................................................................ 25

B.3 Test Configurations ................................................................................................................................ 25

B.3.1 Receiver ACS ................................................................................................................................................... 25

Annex C (normative): Geographical Data ......................................................................................... 26

C.1 Height above Ground ............................................................................................................................. 26

Annex D (informative): Bibliography ................................................................................................... 27

Annex E (informative): Change History .............................................................................................. 28

History .............................................................................................................................................................. 29

ETSI
---------------------- Page: 4 ----------------------
5 Draft ETSI EN 303 316 V1.0.3 (2016-09)
Intellectual Property Rights

IPRs essential or potentially essential to the present document may have been declared to ETSI. The information

pertaining to these essential IPRs, if any, is publicly available for ETSI members and non-members, and can be found

in ETSI SR 000 314: "Intellectual Property Rights (IPRs); Essential, or potentially Essential, IPRs notified to ETSI in

respect of ETSI standards", which is available from the ETSI Secretariat. Latest updates are available on the ETSI Web

server (https://ipr.etsi.org/).

Pursuant to the ETSI IPR Policy, no investigation, including IPR searches, has been carried out by ETSI. No guarantee

can be given as to the existence of other IPRs not referenced in ETSI SR 000 314 (or the updates on the ETSI Web

server) which are, or may be, or may become, essential to the present document.
Foreword

This draft Harmonised European Standard (EN) has been produced by ETSI Technical Committee Broadband Radio

Access Networks (BRAN), and is now submitted for the combined Public Enquiry and Vote phase of the ETSI

standards EN Approval Procedure.

The present document has been prepared under the Commission's standardisation request C(2015) 5376 final [i.10] to

provide one voluntary means of conforming to the essential requirements of Directive 2014/53/EU on the harmonisation

of the laws of the Member States relating to the making available on the market of radio equipment and repealing

Directive 1999/5/EC [i.5].

Once the present document is cited in the Official Journal of the European Union under that Directive, compliance with

the normative clauses of the present document given in table A.1 confers, within the limits of the scope of the present

document, a presumption of conformity with the corresponding essential requirements of that Directive, and associated

EFTA regulations.

The technical requirements in the present document reflect, in part, the results of studies undertaken within the CEPT

on compatibility between broadband direct air-to-ground systems and other applications operating within, or adjacent

to, the frequency bands which are designated for BDA2GC operations. These studies are described in ECC

Report 209 [i.1] (for the 1 900 MHz to 1 920 MHz band) and ECC Report 210 [i.2] (for the 5 855 MHz to 5 875 MHz

band).

The resulting technical and operational requirements to be applied to BDA2GC systems in the 1 900 MHz to

1 920 MHz band and the 5 855 MHz to 5 875 MHz band are contained within ECC Decision(15)02 [i.3] and ECC

Decision(15)03 [i.4] respectively.
Proposed national transposition dates
Date of latest announcement of this EN (doa): 3 months after ETSI publication
Date of latest publication of new National Standard
or endorsement of this EN (dop/e): 6 months after doa

Date of withdrawal of any conflicting National Standard (dow): 18 months after doa

Modal verbs terminology

In the present document "shall", "shall not", "should", "should not", "may", "need not", "will", "will not", "can" and

"cannot" are to be interpreted as described in clause 3.2 of the ETSI Drafting Rules (Verbal forms for the expression of

provisions).

"must" and "must not" are NOT allowed in ETSI deliverables except when used in direct citation.

ETSI
---------------------- Page: 5 ----------------------
6 Draft ETSI EN 303 316 V1.0.3 (2016-09)
Executive summary

The present document addresses the Broadband Direct Air to Ground Communications system based on the System

Reference Document ETSI TR 101 599 [i.11]. ETSI TR 101 599 [i.11] was used by the ECC, in conjunction with other

contributions, to develop technology neutral ECC Decisions on the allocation of European spectrum in the frequency

bands 1 900 MHz to 1 920 MHz and 5 855 MHz to 5 875 MHz.

The technical requirements in the present document reflect, in part, the results of studies undertaken within the CEPT

on compatibility between broadband direct air-to-ground systems and other applications operating within, or adjacent

to, the frequency bands that are designated for BDA2GC operations.
Introduction

The present document has been developed in accordance with the guidelines contained in ETSI EG 203 336 [i.7].

ETSI
---------------------- Page: 6 ----------------------
7 Draft ETSI EN 303 316 V1.0.3 (2016-09)
1 Scope

The present document applies to radio equipment at the Ground Station and Aircraft Station for Broadband Direct

Air-to-Ground communications systems employing beamforming antennas.

These radio equipment types are capable of operating in all or any part of the frequency bands given in table 1.

Table 1: Radiocommunications service frequency bands
Radiocommunications service frequency bands
Transmit 1 1 900 MHz to 1 920 MHz
Receive 1 1 900 MHz to 1 920 MHz
Transmit 2 5 855 MHz to 5 875 MHz
Receive 2 5 855 MHz to 5 875 MHz

The present document contains requirements to demonstrate that radio equipment both effectively uses and supports the

efficient use of radio spectrum in order to avoid harmful interference.
2 References
2.1 Normative references

References are either specific (identified by date of publication and/or edition number or version number) or

non-specific. For specific references, only the cited version applies. For non-specific references, the latest version of the

referenced document (including any amendments) applies.

Referenced documents which are not found to be publicly available in the expected location might be found at

http://docbox.etsi.org/Reference.

NOTE: While any hyperlinks included in this clause were valid at the time of publication, ETSI cannot guarantee

their long term validity.

The following referenced documents are necessary for the application of the present document.

[1] NIMA Technical Report TR8350.2 (1984, including amendment 1 of 03 January 2000 and

amendment 2 of 23 June 2004): "Department of Defense World Geodetic System 1984. Its

Definition and Relationships with Local Geodetic Systems".

[2] ETSI EN 302 502 (V1.2.1) (07-2008): "Broadband Radio Access Networks (BRAN); 5,8 GHz

fixed broadband data transmitting systems; Harmonized EN covering the essential requirements of

article 3.2 of the R&TTE Directive".
2.2 Informative references

References are either specific (identified by date of publication and/or edition number or version number) or

non-specific. For specific references, only the cited version applies. For non-specific references, the latest version of the

referenced document (including any amendments) applies.

NOTE: While any hyperlinks included in this clause were valid at the time of publication, ETSI cannot guarantee

their long term validity.

The following referenced documents are not necessary for the application of the present document but they assist the

user with regard to a particular subject area.

[i.1] ECC Report 209: "Compatibility/sharing studies related to Broadband Direct-Air-to-Ground

Communications (DA2GC) in the frequency bands 1900-1920 MHz / 2010-2025 MHz and
services/applications in the adjacent bands".
ETSI
---------------------- Page: 7 ----------------------
8 Draft ETSI EN 303 316 V1.0.3 (2016-09)

[i.2] ECC Report 210: "Compatibility/sharing studies related to Broadband Direct-Air-to-Ground

Communications (DA2GC) in the frequency bands 5855-5875 MHz, 2400-2483.5 MHz and
3400 3600 MHz".

[i.3] ECC Decision (15)02: "The harmonised use of broadband Direct Air-to-Ground Communications

(DA2GC) systems in the frequency band 1900-1920 MHz".

[i.4] ECC Decision (15)03: "The harmonised use of broadband Direct Air-to-Ground Communications

(DA2GC) systems in the frequency band 5855-5875 MHz".

[i.5] Directive 2014/53/EU of the European Parliament and of the Council of 16 April 2014 on the

harmonisation of the laws of the Member States relating to the making available on the market of

radio equipment and repealing Directive 1999/5/EC.

[i.7] ETSI EG 203 336: "Electromagnetic compatibility and Radio spectrum Matters (ERM); Guide for

the selection of technical parameters for the production of Harmonised Standards covering

article 3.1(b) and article 3.2 of Directive 2014/53/EU".

[i.8] ETSI TR 100 028 (V1.4.1) (all parts): "Electromagnetic compatibility and Radio spectrum Matters

(ERM); Uncertainties in the measurement of mobile radio equipment characteristics".

[i.9] ETSI TS 103 051 (V1.1.1): "Electromagnetic compatibility and Radio spectrum Matters (ERM);

Expanded measurement uncertainty for the measurement of radiated electromagnetic fields".

[i.10] Commission Implementing Decision C(2015) 5376 final of 4.8.2015 on a standardisation request

to the European Committee for Electrotechnical Standardisation and to the European

Telecommunications Standards Institute as regards radio equipment in support of Directive

2014/53/EU of the European Parliament and of the Council.

[i.11] ETSI TR 101 599 (V1.1.3) (09-2012): "Electromagnetic compatibility and Radio spectrum matters

(ERM) System Reference Document (SRDoc); Broadband Direct-Air-to-Ground Communications

System employing beamforming antennas, operating in the 2,4 GHz and 5,8 GHz bands".

3 Definitions, symbols and abbreviations
3.1 Definitions

For the purposes of the present document, the terms and definitions given in Directive 2014/53/EU [i.5] and the

following apply:

Network Control Facility (NCF): set of functional entities that, at system level, monitor and control the correct

operation of the Ground Station (GS) and Aircraft Station (AS) and, if appropriate, all of the GSs and ASs in a

BDA2GC network

transmission disabled state: state which a GS or AS is in when it is not authorized by the NCF to transmit

transmission enabled state: state which a GS or AS is in when it is authorized by the NCF to transmit

3.2 Symbols
For the purposes of the present document, the following symbols apply:
f Channel centre frequency
3.3 Abbreviations
For the purposes of the present document, the following abbreviations apply:
ACS Adjacent Channel Selectivity
AS Aircraft Station
ETSI
---------------------- Page: 8 ----------------------
9 Draft ETSI EN 303 316 V1.0.3 (2016-09)
ATPC Automatic Transmit Power Control
BDA2GC Broadband Direct Air-to-Ground Communications
BFWA Broadband Fixed Wireless Access
BW Bandwidth
CEPT Conférence Européenne des Postes et des Télécommunications
DA2GC Direct Air-to-Ground Communications
DAA Detect and Avoid
ECC Electronic Communications Committee
EEC European Economic Community
EIRP Equivalent Isotropically Radiated Power
EMC ElectroMagnetic Compatibility
EUT Equipment Under Test
GNSS Global Navigation Satellite System
GS Ground Station
LV Low Voltage
NCF Network Control Facility
OFDM Orthogonal Frequency Division Multiplexing
OOB Out-Of-Band
QPSK Quadrature Phased Shift Keying
RF Radio Frequency
STE Special Test Equipment
TDD Time Division Duplex
4 Technical requirements specifications
4.1 General
4.1.1 Environmental profile

The technical requirements of the present document apply under the environmental profile for operation of the

equipment, which shall be declared by the manufacturer. The equipment shall comply with all the technical

requirements of the present document at all times when operating within the boundary limits of the declared operational

environmental profile.
4.1.2 General System Characteristics

The main characteristics of a beamforming BDA2GC system to which the present document applies are as follows:

• The system allows for a broadband connection to be established between an aircraft equipped with a BDA2GC

Aircraft Station (AS) and a Ground Station (GS). The system operates in TDD mode, using OFDM type

modulation with variable modulation and coding to optimize the link performance.

• The system uses automatic transmit power control in both directions (GS to AS and AS to GS) in order to

maintain the required signal level at the receiver input.

• Both the AS and the GS employ phased array antennas which produce dynamically shaped and steerable

beams such that the Ground Station and the Aircraft Station mutually track each other.

• A given GS can comprise up to four separate integrated radio transceivers/phased array antenna assemblies,

enabling each GS to cover the entire visible air space, at all azimuths, from horizon to horizon. However, for

reasons of spectrum compatibility with other services, a minimum operational elevation angle needs to be

maintained as specified in clause 4.2.5.2.

• Each of the GS integrated antenna arrays is capable of simultaneously producing multiple co-frequency shaped

beams so that a number of aircraft can be served from a given GS.
ETSI
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10 Draft ETSI EN 303 316 V1.0.3 (2016-09)
• Each AS operates under the control of
...

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