SIST EN 302 326-2 V2.1.1:2021
(Main)Fixed Radio Systems - Multipoint Equipment and Antennas - Part 2: Harmonised Standard for access to radio spectrum
Fixed Radio Systems - Multipoint Equipment and Antennas - Part 2: Harmonised Standard for access to radio spectrum
The present document specifies technical characteristics and methods of measurements applicable to radio equipment
used in MultiPoint (MP) Digital Fixed Radio Systems (DFRS) (see note 2) designed for use in the following sub-ranges
(see note 3):
• 30 MHz to 1 GHz.
• 1 GHz to 3 GHz.
• 3 GHz to 11 GHz.
• 24,25 GHz to 29,5 GHz.
• 31,0 GHz to 33,4 GHz.
• 40,5 GHz to 43,5 GHz.
NOTE 1: The relationship between the present document and essential requirements of article 3.2 of Directive
2014/53/EU [i.1] is given in Annex A.
The present document is applicable to multipoint radio system equipment using any arbitrary access method. It applies
to all equipment composing the MP systems, i.e. to Central Station (CS), Terminal Station (TS) and Repeater Station
(RS).
Time Division Duplex (TDD) or Frequency Division Duplex (FDD or H-FDD) can be used on an equivalent basis.
Systems implementing an actual FH-CDMA access method with hopping period exceeding 400 ms are not considered
within the scope of the present document.
NOTE 2: Applications intended for offering in the bands 3,4 GHz to 3,8 GHz the option of Nomadic Wireless
Access (NWA), according to the NWA definition in Recommendation ITU-R F.1399 [i.14], are also
considered in the scope of the present document.
NOTE 3: For more information on the applicable frequency bands, refer to Annex F.
Fiksni radijski sistemi - Večtočkovna oprema in antene - 2. del: Harmonizirani standard za dostop do radijskega spektra
General Information
Standards Content (Sample)
Draft ETSI EN 302 326-2 V2.1.0 (2020-08)
HARMONISED EUROPEAN STANDARD
Fixed Radio Systems;
Multipoint Equipment and Antennas;
Part 2: Harmonised Standard for access to radio spectrum
2 Draft ETSI EN 302 326-2 V2.1.0 (2020-08)
Reference
REN/ATTM-0436
Keywords
access, DFRS, DRRS, FWA, multipoint, radio,
system
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3 Draft ETSI EN 302 326-2 V2.1.0 (2020-08)
Contents
Intellectual Property Rights . 7
Foreword . 7
Modal verbs terminology . 8
Introduction . 8
1 Scope . 10
2 References . 10
2.1 Normative references . 10
2.2 Informative references . 11
3 Definition of terms, symbols and abbreviations . 13
3.1 Terms . 13
3.2 Symbols . 17
3.3 Abbreviations . 17
4 Framework for requirements . 19
4.1 Generality . 19
4.1.0 The "Manufacturer's declaration" concept . 19
4.1.1 Applicability of requirements . 19
4.1.1.1 Generality . 19
4.1.1.2 The Equipment Classification (EqC) . 20
4.1.2 Asymmetric MP implementations . 20
4.2 RF reference architecture . 21
4.2.1 Reference block diagram . 21
4.2.2 Measure reference points and system loading . 21
5 Technical requirements specifications . 22
5.1 General requirements . 22
5.2 Environmental profile . 22
5.3 Transmitter requirements . 22
5.3.1 General requirements . 22
5.3.2 Transmitter output power . 22
5.3.2.1 General . 22
5.3.2.2 Transmitter maximum power and EIRP . 22
5.3.2.3 Transmitter output power environmental variation . 23
5.3.3 Transmitter Radio Frequency tolerance . 23
5.3.4 Transmitter Radio Frequency spectrum mask and emissions . 23
5.3.4.1 Transmitter Radio Frequency spectrum mask . 23
5.3.4.2 Transmitter discrete CW components exceeding the transmitter Radio Frequency spectrum mask
limits . 26
5.3.5 Transmitter unwanted emissions in the spurious domain . 27
5.3.6 Transmitter power control (ATPC and RTPC) . 28
5.3.6.1 General . 28
5.3.6.2 Automatic Transmitter Power Control (ATPC) . 28
5.3.6.3 Remote Transmitter Power Control (RTPC) . 28
5.3.7 Transmitter Remote Frequency Control (RFC) . 29
5.3.8 Transmitter Dynamic Change of Modulation Order . 29
5.4 Receiver requirements . 29
5.4.1 General . 29
5.4.2 Receiver unwanted emissions in the spurious domain . 29
5.4.3 BER as a function of receiver input signal level (RSL) . 29
5.4.3.1 General . 29
5.4.3.2 Single signal performance . 29
5.4.3.3 Performance with maximum system loading (EqC-PET = D only) . 31
5.4.3.4 Receiver Dynamic range . 31
5.4.4 Receiver selectivity . 32
5.4.4.0 Introduction . 32
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4 Draft ETSI EN 302 326-2 V2.1.0 (2020-08)
5.4.4.1 Receiver co-channel interference sensitivity . 32
5.4.4.2 Receiver first adjacent channel interference sensitivity . 34
5.4.4.3 Receiver blocking (CW spurious interference sensitivity) . 36
5.4.4.4 Receiver radio-frequency intermodulation and Receiver second adjacent channel interference
sensitivity . 36
5.4.4.4.1 Requirement background . 36
5.4.4.4.2 Requirement limit . 37
6 Testing for conformance with technical requirements . 37
6.1 General . 37
6.2 Environmental conditions for testing . 38
6.2.1 Generality . 38
6.2.2 Minimum profile for indoor use . 39
6.2.3 Minimum profile for outdoor use . 39
6.3 Transmitter requirements . 39
6.3.1 General . 39
6.3.1.1 Summary table for transmitter test conditions . 39
6.3.1.2 Spectrum analyser settings . 41
6.3.2 Transmitter output power . 41
6.3.2.1 General . 41
6.3.2.2 Transmitter Maximum power and EIRP . 41
6.3.2.3 Transmitter output power environmental variation . 42
6.3.3 Transmitter Radio Frequency tolerance . 42
6.3.4 Transmitter Radio Frequency spectrum mask and emissions . 42
6.3.4.1 Transmitter Radio Frequency spectrum mask . 42
6.3.4.2 Transmitter Discrete CWcomponents exceeding the transmitter Radio Frequency spectrum mask
limit . 43
6.3.5 Transmitter unwanted emissions in the spurious domain . 43
6.3.6 Transmitter power control (ATPC and RTPC) . 43
6.3.6.1 General . 43
6.3.6.2 Automatic Transmitter Power Control (ATPC) . 43
6.3.6.3 Remote Transmitter Power Control (RTPC) . 44
6.3.7 Transmitter Remote Frequency Control (RFC) . 44
6.3.8 Transmitter dynamic Change of Modulation Order . 45
6.4 Receiver requirements . 45
6.4.1 General . 45
6.4.2 Receiver unwanted emissions in the spurious domain . 46
6.4.3 BER as a function of receiver input signal level (RSL) . 47
6.4.3.1 General . 47
6.4.3.2 Single signal performance . 47
6.4.3.3 Performance at maximum system loading (EqC-PET = D only) . 47
6.4.3.4 Receiver dynamic range . 47
6.4.4 Receiver selectivity . 47
6.4.4.1 Receiver co-channel interference sensitivity . 47
6.4.4.2 Receiver first adjacent channel interference sensitivity . 48
6.4.4.3 Receiver blocking (CW spurious interference sensitivity) . 48
6.4.4.4 Receiver radio-frequency intermodulation and receiver second adjacent channel interference
sensitivity . 48
Annex A (informative): Relationship between the present document and the essential
requirements of Directive 2014/53/EU . 50
Annex B (normative): Test report in relation to flexible systems applications . 52
B.1 Wide radio-frequency band covering units specification and tests . 52
B.2 Multirate/Multiformat covering equipment specification and tests . 54
Annex C (normative): Equipment classification (EqC) and system capacity . 55
C.1 General . 55
C.2 EqC description . 55
C.2.1 Void . 55
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5 Draft ETSI EN 302 326-2 V2.1.0 (2020-08)
C.2.2 Primary Equipment Type (EqC-PET) . 55
C.2.3 Secondary Equipment Type (EqC-SET) . 56
C.2.4 Equivalent Modulation Order (EqC-EMO) . 56
C.2.5 Channel Separation (EqC-ChS) . 57
C.2.6 Frequency Operating Range (EqC-FR) . 57
C.2.7 Station Type (EqC-STN) . 57
C.3 System capacity . 58
C.3.1 General . 58
C.3.2 Capacity of equipment with EqC-PET = T, O or M . 58
C.3.3 Capacity of equipment with EqC-PET = F . 58
C.3.4 Capacity of equipment with EqC-PET = D . 59
C.4 Classification of equipment . 60
C.4.1 Equipment profiles in the scope of present document . 60
Annex D (informative): Transmitter Radio Frequency Spectrum mask background for
ATPC and/or RTPC implementation. 62
D.0 Introduction . 62
D.1 ATPC impact . 62
D.2 RTPC Impact . 63
Annex E (informative): Overview of technology features of multipoint systems . 64
E.1 General . 64
E.2 Network topology . 64
E.3 Multiplexing methods. 64
E.4 Multiple access methods . 65
E.5 Duplex methods . 65
E.6 Modulation methods . 66
E.6.1 Modulation techniques . 66
E.6.2 Equivalent Modulation Order (EMO) . 66
E.7 Error correction . 67
E.8 Other relevant system characteristics . 67
Annex F (informative): Frequency bands . 68
F.1 Frequency ranges . 68
F.2 Frequency ranges CEPT applications . 70
Annex G (informative): Summary Table of EqC subject to conformance declaration . 71
G.1 The right to copy . 71
Annex H (informative): System architecture . 72
H.1 General architecture . 72
H.2 Point-to-Multipoint (P-mP) architectures . 72
H.3 Mesh (or MP-MP) architectures . 74
Annex I (informative): Mixed-mode operation . 75
I.1 Introduction . 75
I.2 General description of mixed-mode systems . 75
I.3 Background for transmitter and receiver requirements operating in mixed-mode . 75
I.3.1 Requirements summary . 75
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6 Draft ETSI EN 302 326-2 V2.1.0 (2020-08)
I.3.2 Transmitter Radio Frequency spectrum masks for mixed-mode systems . 75
I.3.3 Receiver adjacent channel interference sensitivity . 77
I.3.4 Receiver co-channel interference sensitivity . 77
Annex J (informative): Antennas . 78
J.1 Antenna generality . 78
J.2 Antenna profiles . 78
Annex K (informative): Typical reference model for BER, MGBR and EMO . 79
K.1 General . 79
K.2 Interface X' to X' . 80
1 N
K.3 Payload processing block . 80
K.4 Multiple access block . 81
K.5 Outer error correcting block . 81
K.6 Inner error correcting block . 81
K.7 Modulator . 82
K.8 Choice of reference point for BER, MGBR and EMO . 82
K.9 Examples . 82
K.9.1 16 QAM TDMA system with 3/4 rate convolutional coding . 82
K.9.2 16 QAM TDMA system with 1/2 rate convolutional coding and 204/188 Reed Solomon coding . 83
K.9.3 16 QAM TDMA system with 1/2 rate turbo coding . 83
K.9.4 16 QAM FDMA system with 1/2 rate convolutional coding . 83
Annex L (informative): Test interpretation and measurement uncertainty . 84
Annex M (informative): Bibliography . 85
Annex N (informative): Change History . 86
History . 87
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7 Draft ETSI EN 302 326-2 V2.1.0 (2020-08)
Intellectual Property Rights
Essential patents
IPRs essential or potentially essential to normative deliverables 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 draft Harmonised European Standard (EN) has been produced by ETSI Technical Committee Access, Terminals,
Transmission and Multiplexing (ATTM), 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.4] 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.1].
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 present document covers characteristics and requirements for fixed multipoint radio equipment and antennas using
a variety of access and duplex methods and operating at a variety of bit rates in frequency bands as specified in the
present document.
The present document is part 2 of a multi-part deliverable covering the Fixed Radio Systems; Multipoint Equipment and
Antennas, as identified below:
Part 1: "Overview and Requirements for Digital Multipoint Radio Systems";
Part 2: "Harmonised Standard for access to radio spectrum";
Part 3: "Multipoint Antennas".
NOTE: Part 1 is no longer maintained and referenced in other parts of the series.
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8 Draft ETSI EN 302 326-2 V2.1.0 (2020-08)
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.
Introduction
The present document defines the essential characteristics for multipoint radio equipment and up to 43,5 GHz to comply
with article 3.2 of Directive 2014/53/EU [i.1].
For the purpose of the present document, multipoint radio systems can be considered as radio systems which
interconnect a number of fixed stations (usually more than two). The topology of the systems may be
Point-to-MultiPoint (P-MP), or MultiPoint-to-MultiPoint (MP-MP), known as "Mesh".
Depending on the application, MultiPoint Systems can be seen either as "Fixed Wireless Access" (FWA) systems to
grant multiple access to different services with a variety of bit rates, or as "infrastructure" or "backhaul" applications
when different stations in a network will be connected to support, e.g. duplex mobile telephony.
Either as narrowband or wideband system MultiPoint technology facilitates access to public and private networks
(PSTN, Internet, PDN, etc.) to connect residential and business subscribers in urban, suburban and rural areas.
Access and infrastructure applications can be supported simultaneously.
In order to (technically) cover different market and network requirements, with an appropriate balance of performance
to cost and effective use of the radio spectrum, the present document, together with ETSI EN 302 326-3 [i.2], offers a
number of system types and antennas alternatives (integral or dedicated antennas), for selection by administrations,
operators and manufacturers according to the desired use of the radio spectrum and network/market requirements.
Those options include:
• channel separation alternatives (as provided by the relevant CEPT Recommendation);
• spectral efficiency class alternatives (different modulation formats provided in radio equipment standards).
The applicability of this whole multi-part deliverable to MP equipment is governed by the definition of a number of
equipment/system profiles that define the set of consistent requirements to which equipment would comply.
For compliance purposes, a specific type of equipment needs to be identified by an Equipment Classification (EqC)
coherent set, as specified in Annex C.
Based on this Equipment Classification, the appropriate clauses of the present document have to be applied.
The present document introduces new technical features compared to the previous version in terms of RX
intermodulation requirements and ATPC functionality, mandatory for managing the different CS/RS link lengths where
the system has to operate as intended. In addition, it covers equipment operating in the band 40,5 GHz to 43,5 GHz
frequency band, previously separated and handled covered by ETSI EN 301 997-2 [i.27], under the regime of
1999/5/EC Directive.
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9 Draft ETSI EN 302 326-2 V2.1.0 (2020-08)
For more background information on the equipment parameters here identified as relevant to article 3.2 of Directive
2014/53/EU [i.1], see ETSI EN 302 326-3 [i.2].
Following annexes are embedded in the present document:
• Annex A (informative): Relationship between the present document and the essential requirements of
Directive 2014/53/EU
• Annex B (normative): Test report in relation to flexible systems applications
• Annex C (normative): Equipment classification (EqC) and system capacity
• Annex D (informative): Transmitter Radio Frequency Spectrum mask background for ATPC and/or RTPC
implementation
• Annex E (informative): Overview of technology features of multipoint systems
• Annex F (informative): Frequency bands
• Annex G (informative): Summary Table of EqC subject to conformance declaration
• Annex H (informative): System architecture
• Annex I (informative): Mixed-mode operation
• Annex J (informative): Antennas
• Annex K (informative): Typical reference model for BER, MGBR and EMO
• Annex L (informative): Test interpretation and measurement uncertainty
• Annex M (informative): Bibliography
• Annex N (informative): Change History
ETSI
10 Draft ETSI EN 302 326-2 V2.1.0 (2020-08)
1 Scope
The present document specifies technical characteristics and methods of measurements applicable to equipment used in
MultiPoint (MP) Digital Fixed Radio Systems (DFRS) (see note 2) designed for use in the following sub-ranges (see
note 3):
• 30 MHz to 1 GHz.
• 1 GHz to 3 GHz.
• 3 GHz to 11 GHz.
• 24,25 GHz to 29,5 GHz.
• 31,0 GHz to 33,4 GHz.
• 40,5 GHz to 43,5 GHz.
NOTE 1: The relationship between the present document and essential requirements of article 3.2 of Directive
2014/53/EU [i.1] is given in Annex A.
The present document is applicable to multipoint radio system equipment using any arbitrary access method. It applies
to all equipment composing the MP systems, i.e. to Central Station (CS), Terminal Station (TS) and Repeater Station
(RS).
Time Division Duplex (TDD) or Frequency Division Duplex (FDD or H-FDD) can be used on an equivalent basis.
Systems implementing an actual FH-CDMA access method with hopping period exceeding 400 ms are not considered
within the scope of the present document.
NOTE 2: Applications intended for offering in the bands 3,4 GHz to 3,8 GHz the option of Nomadic Wireless
Access (NWA), according to the NWA definition in Recommendation ITU-R F.1399 [i.14], are also
considered in the scope of the present document.
NOTE 3: For more information on the applicable frequency bands, refer to Annex F.
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
https://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] CEPT/ERC/REC 74-01 (2019): "Unwanted emissions in the spurious domain".
[2] ETSI EN 301 390 (V1.3.1) (08-2013): "Fixed Radio Systems; Point-to-point and Multipoint
Systems; Unwanted emissions in the spurious domain and receiver immunity limits at
equipment/antenna port of Digital Fixed Radio Systems".
[3] ETSI EN 301 126-2-1 (V1.1.1) (12-2000): "Fixed Radio Systems; Conformance testing; Part 2-1:
Point-to-Multipoint equipment; Definitions and general requirements".
ETSI
11 Draft ETSI EN 302 326-2 V2.1.0 (2020-08)
[4] ETSI EN 301 126-2-2 (V1.1.1) (11-2000): "Fixed Radio Systems; Conformance testing; Part 2-2:
Point-to-Multipoint equipment; Test procedures for FDMA systems".
[5] ETSI EN 301 126-2-3 (V1.2.1) (11-2004): "Fixed Radio Systems; Conformance testing; Part 2-3:
Point-to-Multipoint equipment; Test procedures for TDMA systems".
[6] ETSI EN 301 126-2-4 (V1.1.1) (11-2000): "Fixed Radio Systems; Conformance testing; Part 2-4:
Point-to-Multipoint equipment; Test procedures for FH-CDMA systems".
[7] ETSI EN 301 126-2-5 (V1.1.1) (11-2000): "Fixed Radio Systems; Conformance testing; Part 2-5:
Point-to-Multipoint equipment; Test procedures for DS-CDMA systems".
[8] ETSI EN 301 126-2-6 (V1.1.1) (02-2002): "Fixed Radio Systems; Conformance testing; Part 2-6:
Point-to-Multipoint equipment; Test procedures for Multi Carrier Time Division Multiple Access
(MC-TDMA) systems".
[9] ETSI EN 300 019-1-3 (V2.4.1) (04-2014): "Environmental Engineering (EE); Environmental
conditions and environmental tests for telecommunications equipment; Part 1-3: Classification of
environmental conditions; Stationary use at weatherprotected locations".
[10] ETSI EN 300 019-1-4 (V2.2.1) (04-2014): "Environmental Engineering (EE); Environmental
conditions and environmental tests for telecommunications equipment; Part 1-4: Classification of
environmental conditions; Stationary use at non-weatherprotected locations".
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] 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.2] ETSI EN 302 326-3: "Fixed Radio Systems; Multipoint Equipment and Antennas; Part 3:
Multipoint Antennas".
[i.3] ITU Radio Regulations (2016).
[i.4] 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.5] ETSI EG 203 336 (V1.2.1): "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.6] ETSI TR 101 506 (V2.2.1): "Fixed Radio Systems; Generic definitions, terminology and
applicability of essential requirements covering article 3.2 of Directive 2014/53/EU to Fixed Radio
Systems".
[i.7] Recommendation ITU-R SM.1539-1: "Variation of the boundary between the out-of-band and
spurious domains required for the application of Recommendations ITU-R SM.1541 and ITU-R
SM.329".
[i.8] ETSI TR 100 028 (all parts): "Electromagnetic compatibility and Radio spectrum Matters (ERM);
Uncertainties in the measurement of mobile radio equipment characteristics".
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12 Draft ETSI EN 302 326-2 V2.1.0 (2020-08)
[i.9] ETSI TR 102 215: "Electromagnetic compatibility and Radio spectrum Matters (ERM);
Recommended approach, and possible limits for measurement uncertainty for the measurement of
radiated electromagnetic fields above 1 GHz".
[i.10] ETSI TR 103 103 (V1.1.1): "Fixed Radio Systems; Point-to-point systems; ATPC, RTPC,
Adaptive Modulation (mixed-mode) and Bandwidth Adaptive functionalities; Technical
background and impact on deployment, link design and coordination".
[i.11] ERC Report 25: "The European table of frequency allocations and applications in the frequency
range 8.3 kHz to 3000 GHz".
[i.12] ETSI TR 101 274: "Transmission and Multiplexing (TM); Digital Radio Relay Systems (DRRS);
Point-to-multipoint DRRS in the access network: Overview of different access techniques".
[i.13] Recommendation ITU-R F.746: "Radio-frequency arrangements for fixed service systems".
[i.14] Recommendation ITU-R F.1399: "Vocabulary of terms for wireless access".
[i.15] CEPT/ECC/DEC(05)01: "The use of the band 27.5-29.5 GHz by the Fixed Service and
uncoordinated Earth stations of the Fixed-Satellite Service (Earth-to-space)".
[i.16] CEPT/ERC/REC(01)02: "Preferred channel arrangement for digital fixed service systems
operating in the frequency band 31.8 - 33.4 GHz".
[i.17] CEPT/ECC/REC(04)05: "Guidelines for accommodation and assignment of multipoint Fixed
Wireless Systems in frequency bands 3.4-3.6 GHz and 3.6-3.8 GHz".
[i.1
...
Final draft ETSI EN 302 326-2 V2.1.1 (2021-06)
HARMONISED EUROPEAN STANDARD
Fixed Radio Systems;
Multipoint Equipment and Antennas;
Part 2: Harmonised Standard for access to radio spectrum
2 Final draft ETSI EN 302 326-2 V2.1.1 (2021-06)
Reference
REN/ATTM-0436
Keywords
access, DFRS, DRRS, FWA, multipoint, radio,
system
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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
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of or inability to use the software.
Copyright Notification
No part may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and
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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 2021.
All rights reserved.
ETSI
3 Final draft ETSI EN 302 326-2 V2.1.1 (2021-06)
Contents
Intellectual Property Rights . 7
Foreword . 7
Modal verbs terminology . 8
Introduction . 8
1 Scope . 10
2 References . 10
2.1 Normative references . 10
2.2 Informative references . 11
3 Definition of terms, symbols and abbreviations . 13
3.1 Terms . 13
3.2 Symbols . 17
3.3 Abbreviations . 17
4 Framework for requirements . 19
4.1 Generality . 19
4.1.0 The "Manufacturer's declaration" concept . 19
4.1.1 Applicability of requirements . 20
4.1.1.1 Generality . 20
4.1.1.2 The Equipment Classification (EqC) . 20
4.1.2 Asymmetric MP implementations . 21
4.2 RF reference architecture . 21
4.2.1 Reference block diagram . 21
4.2.2 Measure reference points and system loading . 22
5 Technical requirements specifications . 22
5.1 General requirements . 22
5.2 Environmental profile . 22
5.3 Transmitter requirements . 22
5.3.1 General requirements . 22
5.3.2 Transmitter output power . 22
5.3.2.1 General . 22
5.3.2.2 Transmitter maximum power and EIRP . 23
5.3.2.3 Transmitter output power environmental variation . 23
5.3.3 Transmitter Radio Frequency tolerance . 24
5.3.4 Transmitter Radio Frequency spectrum mask and emissions . 24
5.3.4.1 Transmitter Radio Frequency spectrum mask . 24
5.3.4.2 Transmitter discrete CW components exceeding the transmitter Radio Frequency spectrum mask
limits . 27
5.3.5 Transmitter unwanted emissions in the spurious domain . 28
5.3.6 Transmitter power control (ATPC and RTPC) . 29
5.3.6.1 General . 29
5.3.6.2 Automatic Transmitter Power Control (ATPC) . 29
5.3.6.3 Remote Transmitter Power Control (RTPC) . 29
5.3.7 Transmitter Remote Frequency Control (RFC) . 30
5.3.8 Transmitter Dynamic Change of Modulation Order . 30
5.4 Receiver requirements . 30
5.4.1 General . 30
5.4.2 Receiver unwanted emissions in the spurious domain . 30
5.4.3 BER as a function of Receiver input Signal Level (RSL). 30
5.4.3.1 General . 30
5.4.3.2 Single signal performance . 31
5.4.3.3 Performance with maximum system loading (EqC-PET = D only) . 32
5.4.3.4 Receiver Dynamic range . 33
5.4.4 Receiver selectivity . 34
5.4.4.0 Introduction . 34
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4 Final draft ETSI EN 302 326-2 V2.1.1 (2021-06)
5.4.4.1 Receiver co-channel interference sensitivity . 34
5.4.4.2 Receiver first adjacent channel interference sensitivity . 36
5.4.4.3 Receiver blocking (CW spurious interference sensitivity) . 38
5.4.4.4 Receiver radio-frequency intermodulation and Receiver second adjacent channel interference
sensitivity . 39
5.4.4.4.1 Requirement background . 39
5.4.4.4.2 Requirement limit . 39
6 Testing for conformance with technical requirements . 40
6.1 General . 40
6.2 Environmental conditions for testing . 40
6.2.1 Generality . 40
6.2.2 Minimum profile for indoor use . 41
6.2.3 Minimum profile for outdoor use . 41
6.3 Transmitter requirements . 41
6.3.1 General . 41
6.3.1.1 Summary table for transmitter test conditions . 41
6.3.1.2 Spectrum analyser settings . 42
6.3.2 Transmitter output power . 43
6.3.2.1 General . 43
6.3.2.2 Transmitter maximum power and EIRP . 43
6.3.2.3 Transmitter output power environmental variation . 44
6.3.3 Transmitter Radio Frequency tolerance . 44
6.3.4 Transmitter Radio Frequency spectrum mask and emissions . 44
6.3.4.1 Transmitter Radio Frequency spectrum mask . 44
6.3.4.2 Transmitter Discrete CW components exceeding the transmitter Radio Frequency spectrum mask
limit . 45
6.3.5 Transmitter unwanted emissions in the spurious domain . 45
6.3.6 Transmitter power control (ATPC and RTPC) . 45
6.3.6.1 General . 45
6.3.6.2 Automatic Transmitter Power Control (ATPC) . 46
6.3.6.3 Remote Transmitter Power Control (RTPC) . 46
6.3.7 Transmitter Remote Frequency Control (RFC) . 46
6.3.8 Transmitter dynamic Change of Modulation Order . 47
6.4 Receiver requirements . 47
6.4.1 General . 47
6.4.2 Receiver unwanted emissions in the spurious domain . 48
6.4.3 BER as a function of Receiver input Signal Level (RSL). 49
6.4.3.1 General . 49
6.4.3.2 Single signal performance . 49
6.4.3.3 Performance at maximum system loading (EqC-PET = D only) . 49
6.4.3.4 Receiver dynamic range . 49
6.4.4 Receiver selectivity . 49
6.4.4.1 Receiver co-channel interference sensitivity . 49
6.4.4.2 Receiver first adjacent channel interference sensitivity . 50
6.4.4.3 Receiver blocking (CW spurious interference sensitivity) . 50
6.4.4.4 Receiver radio-frequency intermodulation and receiver second adjacent channel interference
sensitivity . 50
Annex A (informative): Relationship between the present document and the essential
requirements of Directive 2014/53/EU . 52
Annex B (normative): Test report in relation to flexible systems applications . 54
B.1 Wide radio-frequency band covering units specification and tests . 54
B.2 Multirate/Multiformat covering equipment specification and tests . 56
Annex C (normative): Equipment classification (EqC) and system capacity . 57
C.1 General . 57
C.2 EqC description . 57
C.2.1 Void . 57
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5 Final draft ETSI EN 302 326-2 V2.1.1 (2021-06)
C.2.2 Primary Equipment Type (EqC-PET) . 57
C.2.3 Secondary Equipment Type (EqC-SET) . 58
C.2.4 Equivalent Modulation Order (EqC-EMO) . 58
C.2.5 Channel Separation (EqC-ChS) . 59
C.2.6 Frequency Range (EqC-FR) . 59
C.2.7 Station Type (EqC-STN) . 59
C.3 System capacity . 60
C.3.1 General . 60
C.3.2 Capacity of equipment with EqC-PET = T, O or M . 60
C.3.3 Capacity of equipment with EqC-PET = F . 60
C.3.4 Capacity of equipment with EqC-PET = D . 61
C.4 Classification of equipment . 62
C.4.1 Equipment profiles in the scope of present document . 62
Annex D (informative): Transmitter Radio Frequency Spectrum mask background for
ATPC and/or RTPC implementation. 65
D.0 Introduction . 65
D.1 ATPC impact . 65
D.2 RTPC Impact . 66
Annex E (informative): Overview of technology features of multipoint systems . 67
E.1 General . 67
E.2 Network topology . 67
E.3 Multiplexing methods. 67
E.4 Multiple access methods . 68
E.5 Duplex methods . 68
E.6 Modulation methods . 69
E.6.1 Modulation techniques . 69
E.6.2 Equivalent Modulation Order (EMO) . 69
E.7 Error correction . 70
E.8 Other relevant system characteristics . 70
Annex F (informative): Frequency bands . 71
F.1 Frequency ranges . 71
F.2 Frequency ranges CEPT applications . 72
Annex G (informative): Summary Table of EqC subject to conformance declaration . 74
G.1 The right to copy . 74
Annex H (informative): System architecture . 75
H.1 General architecture . 75
H.2 Point-to-MultiPoint (P-MP) architectures . 75
H.3 Mesh (or MP-MP) architectures . 77
Annex I (informative): Mixed-mode operation . 78
I.1 Introduction . 78
I.2 General description of mixed-mode systems . 78
I.3 Background for transmitter and receiver requirements operating in mixed-mode . 78
I.3.1 Requirements summary . 78
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6 Final draft ETSI EN 302 326-2 V2.1.1 (2021-06)
I.3.2 Transmitter Radio Frequency spectrum masks for mixed-mode systems . 78
I.3.3 Receiver adjacent channel interference sensitivity . 80
I.3.4 Receiver co-channel interference sensitivity . 80
Annex J (informative): Antennas . 81
J.1 Antenna generality . 81
J.2 Antenna profiles . 81
Annex K (informative): Typical reference model for BER, MGBR and EMO . 82
K.1 General . 82
K.2 Interface X' to X' . 83
1 N
K.3 Payload processing block . 83
K.4 Multiple access block . 84
K.5 Outer error correcting block . 84
K.6 Inner error correcting block . 84
K.7 Modulator . 85
K.8 Choice of reference point for BER, MGBR and EMO . 85
K.9 Examples . 85
K.9.1 16 QAM TDMA system with 3/4 rate convolutional coding . 85
K.9.2 16 QAM TDMA system with 1/2 rate convolutional coding and 204/188 Reed Solomon coding . 86
K.9.3 16 QAM TDMA system with 1/2 rate turbo coding . 86
K.9.4 16 QAM FDMA system with 1/2 rate convolutional coding . 86
Annex L (informative): Test interpretation and measurement uncertainty . 87
Annex M (informative): Bibliography . 88
Annex N (informative): Change History . 89
History . 90
ETSI
7 Final draft ETSI EN 302 326-2 V2.1.1 (2021-06)
Intellectual Property Rights
Essential patents
IPRs essential or potentially essential to normative deliverables may have been declared to ETSI. The declarations
pertaining to these essential IPRs, if any, are 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 Directives including the ETSI IPR Policy, no investigation regarding the essentiality of IPRs,
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.
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 a trademark of ETSI registered for the benefit of its Members and of the ®
oneM2M Partners. GSM and the GSM logo are trademarks registered and owned by the GSM Association.
Foreword
This final draft Harmonised European Standard (EN) has been produced by ETSI Technical Committee Access,
Terminals, Transmission and Multiplexing (ATTM), 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.4] 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.1].
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 present document covers characteristics and requirements for fixed multipoint radio equipment using a variety of
access and duplex methods and operating at a variety of bit rates in frequency bands as specified in the present
document.
The present document is part 2 of a multi-part deliverable covering the Fixed Radio Systems; Multipoint Equipment and
Antennas, as identified below:
Part 1: "Overview and Requirements for Digital Multipoint Radio Systems";
Part 2: "Harmonised Standard for access to radio spectrum";
Part 3: "Multipoint Antennas".
NOTE: Part 1 is no longer maintained and referenced in other parts of the series.
ETSI
8 Final draft ETSI EN 302 326-2 V2.1.1 (2021-06)
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.
Introduction
The present document defines the essential characteristics for multipoint radio equipment and up to 43,5 GHz to comply
with article 3.2 of Directive 2014/53/EU [i.1].
For the purpose of the present document, multipoint radio systems can be considered as radio systems which
interconnect a number of fixed stations (usually more than two). The topology of the systems may be
Point-to-MultiPoint (P-MP), or MultiPoint-to-MultiPoint (MP-MP), known as "Mesh".
Depending on the application, MultiPoint Systems can be seen either as "Fixed Wireless Access" (FWA) systems to
grant multiple access to different services with a variety of bit rates, or as "infrastructure" or "backhaul" applications
when different stations in a network will be connected to support, e.g. duplex mobile telephony.
Either as narrowband or wideband system MultiPoint technology facilitates access to public and private networks
(PSTN, Internet, PDN, etc.) to connect residential and business subscribers in urban, suburban and rural areas.
Access and infrastructure applications can be supported simultaneously.
In order to (technically) cover different market and network requirements, with an appropriate balance of performance
to cost and effective use of the radio spectrum, the present document, together with ETSI EN 302 326-3 [i.2], offers a
number of radio equipment types and antennas alternatives (integral or dedicated antennas).
Those options include:
• channel separation alternatives (as provided by the relevant CEPT Recommendation);
• spectral efficiency class alternatives (different modulation formats provided in radio equipment standards).
Antenna characteristics are not relevant for access to radio spectrum of MP fixed radio systems (see technical
description in ETSI TR 101 506 [i.6]). For information, the most common types of antennas are standardized in Part 3
of this multi-part deliverable [i.2].
The applicability of this whole multi-part deliverable to MP equipment is governed by the definition of a number of
equipment/system profiles that define the set of consistent requirements to which equipment would comply.
For compliance purposes, a specific type of equipment needs to be identified by an Equipment Classification (EqC)
coherent set, as specified in annex C.
Based on this Equipment Classification, the appropriate clauses of the present document have to be applied.
ETSI
9 Final draft ETSI EN 302 326-2 V2.1.1 (2021-06)
The present document introduces new technical features compared to the previous version in terms of RX
intermodulation requirements and ATPC functionality, mandatory for managing the different CS/RS link lengths where
the system has to operate as intended. In addition, it covers equipment operating in the band 40,5 GHz to 43,5 GHz
frequency band, previously separated and handled covered by ETSI EN 301 997-2 [i.27], under the regime of Directive
1999/5/EC [i.39].
For more background information on the antenna parameters, not relevant to article 3.2 of Directive 2014/53/EU [i.1],
see ETSI EN 302 326-3 [i.2].
Following annexes are embedded in the present document:
• Annex A (informative): Relationship between the present document and the essential requirements of
Directive 2014/53/EU [i.1]
• Annex B (normative): Test report in relation to flexible systems applications
• Annex C (normative): Equipment classification (EqC) and system capacity
• Annex D (informative): Transmitter Radio Frequency Spectrum mask background for ATPC and/or RTPC
implementation
• Annex E (informative): Overview of technology features of multipoint systems
• Annex F (informative): Frequency bands
• Annex G (informative): Summary Table of EqC subject to conformance declaration
• Annex H (informative): System architecture
• Annex I (informative): Mixed-mode operation
• Annex J (informative): Antennas
• Annex K (informative): Typical reference model for BER, MGBR and EMO
• Annex L (informative): Test interpretation and measurement uncertainty
• Annex M (informative): Bibliography
• Annex N (informative): Change History
ETSI
10 Final draft ETSI EN 302 326-2 V2.1.1 (2021-06)
1 Scope
The present document specifies technical characteristics and methods of measurements applicable to radio equipment
used in MultiPoint (MP) Digital Fixed Radio Systems (DFRS) (see note 2) designed for use in the following sub-ranges
(see note 3):
• 30 MHz to 1 GHz.
• 1 GHz to 3 GHz.
• 3 GHz to 11 GHz.
• 24,25 GHz to 29,5 GHz.
• 31,0 GHz to 33,4 GHz.
• 40,5 GHz to 43,5 GHz.
NOTE 1: The relationship between the present document and essential requirements of article 3.2 of Directive
2014/53/EU [i.1] is given in Annex A.
The present document is applicable to multipoint radio system equipment using any arbitrary access method. It applies
to all equipment composing the MP systems, i.e. to Central Station (CS), Terminal Station (TS) and Repeater Station
(RS).
Time Division Duplex (TDD) or Frequency Division Duplex (FDD or H-FDD) can be used on an equivalent basis.
Systems implementing an actual FH-CDMA access method with hopping period exceeding 400 ms are not considered
within the scope of the present document.
NOTE 2: Applications intended for offering in the bands 3,4 GHz to 3,8 GHz the option of Nomadic Wireless
Access (NWA), according to the NWA definition in Recommendation ITU-R F.1399 [i.14], are also
considered in the scope of the present document.
NOTE 3: For more information on the applicable frequency bands, refer to Annex F.
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
https://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] CEPT/ERC/REC 74-01 (2019): "Unwanted emissions in the spurious domain".
[2] ETSI EN 301 390 (V1.3.1) (08-2013): "Fixed Radio Systems; Point-to-point and Multipoint
Systems; Unwanted emissions in the spurious domain and receiver immunity limits at
equipment/antenna port of Digital Fixed Radio Systems".
[3] ETSI EN 301 126-2-1 (V1.1.1) (12-2000): "Fixed Radio Systems; Conformance testing; Part 2-1:
Point-to-Multipoint equipment; Definitions and general requirements".
ETSI
11 Final draft ETSI EN 302 326-2 V2.1.1 (2021-06)
[4] ETSI EN 301 126-2-2 (V1.1.1) (11-2000): "Fixed Radio Systems; Conformance testing; Part 2-2:
Point-to-Multipoint equipment; Test procedures for FDMA systems".
[5] ETSI EN 301 126-2-3 (V1.2.1) (11-2004): "Fixed Radio Systems; Conformance testing; Part 2-3:
Point-to-Multipoint equipment; Test procedures for TDMA systems".
[6] ETSI EN 301 126-2-4 (V1.1.1) (11-2000): "Fixed Radio Systems; Conformance testing; Part 2-4:
Point-to-Multipoint equipment; Test procedures for FH-CDMA systems".
[7] ETSI EN 301 126-2-5 (V1.1.1) (11-2000): "Fixed Radio Systems; Conformance testing; Part 2-5:
Point-to-Multipoint equipment; Test procedures for DS-CDMA systems".
[8] ETSI EN 301 126-2-6 (V1.1.1) (02-2002): "Fixed Radio Systems; Conformance testing; Part 2-6:
Point-to-Multipoint equipment; Test procedures for Multi Carrier Time Division Multiple Access
(MC-TDMA) systems".
[9] ETSI EN 300 019-1-3 (V2.4.1) (04-2014): "Environmental Engineering (EE); Environmental
conditions and environmental tests for telecommunications equipment; Part 1-3: Classification of
environmental conditions; Stationary use at weatherprotected locations".
[10] ETSI EN 300 019-1-4 (V2.2.1) (04-2014): "Environmental Engineering (EE); Environmental
conditions and environmental tests for telecommunications equipment; Part 1-4: Classification of
environmental conditions; Stationary use at non-weatherprotected locations".
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] 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.2] ETSI EN 302 326-3: "Fixed Radio Systems; Multipoint Equipment and Antennas; Part 3:
Multipoint Antennas".
[i.3] ITU Radio Regulations (2016).
[i.4] 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.5] ETSI EG 203 336 (V1.2.1): "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.6] ETSI TR 101 506 (V2.2.1): "Fixed Radio Systems; Generic definitions, terminology and
applicability of essential requirements covering article 3.2 of Directive 2014/53/EU to Fixed Radio
Systems".
[i.7] Recommendation ITU-R SM.1539-1: "Variation of the boundary between the out-of-band and
spurious domains required for the application of Recommendations ITU-R SM.1541 and ITU-R
SM.329".
[i.8] ETSI TR 100 028 (all parts): "Electromagnetic compatibility and Radio spectrum Matters (ERM);
Uncertainties in the measurement of mobile radio equipment characteristics".
ETSI
12 Final draft ETSI EN 302 326-2 V2.1.1 (2021-06)
[i.9] ETSI TR 102 215: "Electromagnetic compatibility and Radio spectrum Matters (ERM);
Recommended approach, and possibl
...
HARMONISED EUROPEAN STANDARD
Fixed Radio Systems;
Multipoint Equipment and Antennas;
Part 2: Harmonised Standard for access to radio spectrum
2 ETSI EN 302 326-2 V2.1.1 (2021-09)
Reference
REN/ATTM-0436
Keywords
access, DFRS, DRRS, FWA, multipoint, radio,
system
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existing or perceived difference in contents between such versions and/or in print, the prevailing version of an ETSI
deliverable is the one made publicly available in PDF format at www.etsi.org/deliver.
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
Notice of disclaimer & limitation of liability
The information provided in the present deliverable is directed solely to professionals who have the appropriate degree of
experience to understand and interpret its content in accordance with generally accepted engineering or
other professional standard and applicable regulations.
No recommendation as to products and services or vendors is made or should be implied.
In no event shall ETSI be held liable for loss of profits or any other incidental or consequential damages.
Any software contained in this deliverable is provided "AS IS" with no warranties, express or implied, including but not
limited to, the warranties of merchantability, fitness for a particular purpose and non-infringement of intellectual property
rights and ETSI shall not be held liable in any event for any damages whatsoever (including, without limitation, damages
for loss of profits, business interruption, loss of information, or any other pecuniary loss) arising out of or related to the use
of or inability to use the software.
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 2021.
All rights reserved.
ETSI
3 ETSI EN 302 326-2 V2.1.1 (2021-09)
Contents
Intellectual Property Rights . 7
Foreword . 7
Modal verbs terminology . 8
Introduction . 8
1 Scope . 10
2 References . 10
2.1 Normative references . 10
2.2 Informative references . 11
3 Definition of terms, symbols and abbreviations . 13
3.1 Terms . 13
3.2 Symbols . 17
3.3 Abbreviations . 17
4 Framework for requirements . 19
4.1 Generality . 19
4.1.0 The "Manufacturer's declaration" concept . 19
4.1.1 Applicability of requirements . 20
4.1.1.1 Generality . 20
4.1.1.2 The Equipment Classification (EqC) . 20
4.1.2 Asymmetric MP implementations . 21
4.2 RF reference architecture . 21
4.2.1 Reference block diagram . 21
4.2.2 Measure reference points and system loading . 22
5 Technical requirements specifications . 22
5.1 General requirements . 22
5.2 Environmental profile . 22
5.3 Transmitter requirements . 22
5.3.1 General requirements . 22
5.3.2 Transmitter output power . 22
5.3.2.1 General . 22
5.3.2.2 Transmitter maximum power and EIRP . 23
5.3.2.3 Transmitter output power environmental variation . 23
5.3.3 Transmitter Radio Frequency tolerance . 24
5.3.4 Transmitter Radio Frequency spectrum mask and emissions . 24
5.3.4.1 Transmitter Radio Frequency spectrum mask . 24
5.3.4.2 Transmitter discrete CW components exceeding the transmitter Radio Frequency spectrum mask
limits . 27
5.3.5 Transmitter unwanted emissions in the spurious domain . 28
5.3.6 Transmitter power control (ATPC and RTPC) . 29
5.3.6.1 General . 29
5.3.6.2 Automatic Transmitter Power Control (ATPC) . 29
5.3.6.3 Remote Transmitter Power Control (RTPC) . 29
5.3.7 Transmitter Remote Frequency Control (RFC) . 30
5.3.8 Transmitter Dynamic Change of Modulation Order . 30
5.4 Receiver requirements . 30
5.4.1 General . 30
5.4.2 Receiver unwanted emissions in the spurious domain . 30
5.4.3 BER as a function of Receiver input Signal Level (RSL). 30
5.4.3.1 General . 30
5.4.3.2 Single signal performance . 31
5.4.3.3 Performance with maximum system loading (EqC-PET = D only) . 32
5.4.3.4 Receiver Dynamic range . 33
5.4.4 Receiver selectivity . 34
5.4.4.0 Introduction . 34
ETSI
4 ETSI EN 302 326-2 V2.1.1 (2021-09)
5.4.4.1 Receiver co-channel interference sensitivity . 34
5.4.4.2 Receiver first adjacent channel interference sensitivity . 36
5.4.4.3 Receiver blocking (CW spurious interference sensitivity) . 38
5.4.4.4 Receiver radio-frequency intermodulation and Receiver second adjacent channel interference
sensitivity . 39
5.4.4.4.1 Requirement background . 39
5.4.4.4.2 Requirement limit . 39
6 Testing for conformance with technical requirements . 40
6.1 General . 40
6.2 Environmental conditions for testing . 40
6.2.1 Generality . 40
6.2.2 Minimum profile for indoor use . 41
6.2.3 Minimum profile for outdoor use . 41
6.3 Transmitter requirements . 41
6.3.1 General . 41
6.3.1.1 Summary table for transmitter test conditions . 41
6.3.1.2 Spectrum analyser settings . 42
6.3.2 Transmitter output power . 43
6.3.2.1 General . 43
6.3.2.2 Transmitter maximum power and EIRP . 43
6.3.2.3 Transmitter output power environmental variation . 44
6.3.3 Transmitter Radio Frequency tolerance . 44
6.3.4 Transmitter Radio Frequency spectrum mask and emissions . 44
6.3.4.1 Transmitter Radio Frequency spectrum mask . 44
6.3.4.2 Transmitter Discrete CW components exceeding the transmitter Radio Frequency spectrum mask
limit . 45
6.3.5 Transmitter unwanted emissions in the spurious domain . 45
6.3.6 Transmitter power control (ATPC and RTPC) . 45
6.3.6.1 General . 45
6.3.6.2 Automatic Transmitter Power Control (ATPC) . 46
6.3.6.3 Remote Transmitter Power Control (RTPC) . 46
6.3.7 Transmitter Remote Frequency Control (RFC) . 46
6.3.8 Transmitter dynamic Change of Modulation Order . 47
6.4 Receiver requirements . 47
6.4.1 General . 47
6.4.2 Receiver unwanted emissions in the spurious domain . 48
6.4.3 BER as a function of Receiver input Signal Level (RSL). 49
6.4.3.1 General . 49
6.4.3.2 Single signal performance . 49
6.4.3.3 Performance at maximum system loading (EqC-PET = D only) . 49
6.4.3.4 Receiver dynamic range . 49
6.4.4 Receiver selectivity . 49
6.4.4.1 Receiver co-channel interference sensitivity . 49
6.4.4.2 Receiver first adjacent channel interference sensitivity . 50
6.4.4.3 Receiver blocking (CW spurious interference sensitivity) . 50
6.4.4.4 Receiver radio-frequency intermodulation and receiver second adjacent channel interference
sensitivity . 50
Annex A (informative): Relationship between the present document and the essential
requirements of Directive 2014/53/EU . 52
Annex B (normative): Test report in relation to flexible systems applications . 54
B.1 Wide radio-frequency band covering units specification and tests . 54
B.2 Multirate/Multiformat covering equipment specification and tests . 56
Annex C (normative): Equipment classification (EqC) and system capacity . 57
C.1 General . 57
C.2 EqC description . 57
C.2.1 Void . 57
ETSI
5 ETSI EN 302 326-2 V2.1.1 (2021-09)
C.2.2 Primary Equipment Type (EqC-PET) . 57
C.2.3 Secondary Equipment Type (EqC-SET) . 58
C.2.4 Equivalent Modulation Order (EqC-EMO) . 58
C.2.5 Channel Separation (EqC-ChS) . 59
C.2.6 Frequency Range (EqC-FR) . 59
C.2.7 Station Type (EqC-STN) . 59
C.3 System capacity . 60
C.3.1 General . 60
C.3.2 Capacity of equipment with EqC-PET = T, O or M . 60
C.3.3 Capacity of equipment with EqC-PET = F . 60
C.3.4 Capacity of equipment with EqC-PET = D . 61
C.4 Classification of equipment . 62
C.4.1 Equipment profiles in the scope of present document . 62
Annex D (informative): Transmitter Radio Frequency Spectrum mask background for
ATPC and/or RTPC implementation. 65
D.0 Introduction . 65
D.1 ATPC impact . 65
D.2 RTPC Impact . 66
Annex E (informative): Overview of technology features of multipoint systems . 67
E.1 General . 67
E.2 Network topology . 67
E.3 Multiplexing methods. 67
E.4 Multiple access methods . 68
E.5 Duplex methods . 68
E.6 Modulation methods . 69
E.6.1 Modulation techniques . 69
E.6.2 Equivalent Modulation Order (EMO) . 69
E.7 Error correction . 70
E.8 Other relevant system characteristics . 70
Annex F (informative): Frequency bands . 71
F.1 Frequency ranges . 71
F.2 Frequency ranges CEPT applications . 72
Annex G (informative): Summary Table of EqC subject to conformance declaration . 74
G.1 The right to copy . 74
Annex H (informative): System architecture . 75
H.1 General architecture . 75
H.2 Point-to-MultiPoint (P-MP) architectures . 75
H.3 Mesh (or MP-MP) architectures . 77
Annex I (informative): Mixed-mode operation . 78
I.1 Introduction . 78
I.2 General description of mixed-mode systems . 78
I.3 Background for transmitter and receiver requirements operating in mixed-mode . 78
I.3.1 Requirements summary . 78
ETSI
6 ETSI EN 302 326-2 V2.1.1 (2021-09)
I.3.2 Transmitter Radio Frequency spectrum masks for mixed-mode systems . 78
I.3.3 Receiver adjacent channel interference sensitivity . 80
I.3.4 Receiver co-channel interference sensitivity . 80
Annex J (informative): Antennas . 81
J.1 Antenna generality . 81
J.2 Antenna profiles . 81
Annex K (informative): Typical reference model for BER, MGBR and EMO . 82
K.1 General . 82
K.2 Interface X' to X' . 83
1 N
K.3 Payload processing block . 83
K.4 Multiple access block . 84
K.5 Outer error correcting block . 84
K.6 Inner error correcting block . 84
K.7 Modulator . 85
K.8 Choice of reference point for BER, MGBR and EMO . 85
K.9 Examples . 85
K.9.1 16 QAM TDMA system with 3/4 rate convolutional coding . 85
K.9.2 16 QAM TDMA system with 1/2 rate convolutional coding and 204/188 Reed Solomon coding . 86
K.9.3 16 QAM TDMA system with 1/2 rate turbo coding . 86
K.9.4 16 QAM FDMA system with 1/2 rate convolutional coding . 86
Annex L (informative): Test interpretation and measurement uncertainty . 87
Annex M (informative): Bibliography . 88
Annex N (informative): Change History . 89
History . 90
ETSI
7 ETSI EN 302 326-2 V2.1.1 (2021-09)
Intellectual Property Rights
Essential patents
IPRs essential or potentially essential to normative deliverables may have been declared to ETSI. The declarations
pertaining to these essential IPRs, if any, are 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 Directives including the ETSI IPR Policy, no investigation regarding the essentiality of IPRs,
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.
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 a trademark of ETSI registered for the benefit of its Members and of the ®
oneM2M Partners. GSM and the GSM logo are trademarks registered and owned by the GSM Association.
Foreword
This Harmonised European Standard (EN) has been produced by ETSI Technical Committee Access, Terminals,
Transmission and Multiplexing (ATTM).
The present document has been prepared under the Commission's standardisation request C(2015) 5376 final [i.4] 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.1].
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 present document covers characteristics and requirements for fixed multipoint radio equipment using a variety of
access and duplex methods and operating at a variety of bit rates in frequency bands as specified in the present
document.
The present document is part 2 of a multi-part deliverable covering the Fixed Radio Systems; Multipoint Equipment and
Antennas, as identified below:
Part 1: "Overview and Requirements for Digital Multipoint Radio Systems";
Part 2: "Harmonised Standard for access to radio spectrum";
Part 3: "Multipoint Antennas".
NOTE: Part 1 is no longer maintained and referenced in other parts of the series.
ETSI
8 ETSI EN 302 326-2 V2.1.1 (2021-09)
National transposition dates
Date of adoption of this EN: 30 August 2021
Date of latest announcement of this EN (doa): 30 November 2021
Date of latest publication of new National Standard
or endorsement of this EN (dop/e): 31 May 2022
Date of withdrawal of any conflicting National Standard (dow): 31 May 2023
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.
Introduction
The present document defines the essential characteristics for multipoint radio equipment and up to 43,5 GHz to comply
with article 3.2 of Directive 2014/53/EU [i.1].
For the purpose of the present document, multipoint radio systems can be considered as radio systems which
interconnect a number of fixed stations (usually more than two). The topology of the systems may be
Point-to-MultiPoint (P-MP), or MultiPoint-to-MultiPoint (MP-MP), known as "Mesh".
Depending on the application, MultiPoint Systems can be seen either as "Fixed Wireless Access" (FWA) systems to
grant multiple access to different services with a variety of bit rates, or as "infrastructure" or "backhaul" applications
when different stations in a network will be connected to support, e.g. duplex mobile telephony.
Either as narrowband or wideband system MultiPoint technology facilitates access to public and private networks
(PSTN, Internet, PDN, etc.) to connect residential and business subscribers in urban, suburban and rural areas.
Access and infrastructure applications can be supported simultaneously.
In order to (technically) cover different market and network requirements, with an appropriate balance of performance
to cost and effective use of the radio spectrum, the present document, together with ETSI EN 302 326-3 [i.2], offers a
number of radio equipment types and antennas alternatives (integral or dedicated antennas).
Those options include:
• channel separation alternatives (as provided by the relevant CEPT Recommendation);
• spectral efficiency class alternatives (different modulation formats provided in radio equipment standards).
Antenna characteristics are not relevant for access to radio spectrum of MP fixed radio systems (see technical
description in ETSI TR 101 506 [i.6]). For information, the most common types of antennas are standardized in Part 3
of this multi-part deliverable [i.2].
The applicability of this whole multi-part deliverable to MP equipment is governed by the definition of a number of
equipment/system profiles that define the set of consistent requirements to which equipment would comply.
For compliance purposes, a specific type of equipment needs to be identified by an Equipment Classification (EqC)
coherent set, as specified in annex C.
Based on this Equipment Classification, the appropriate clauses of the present document have to be applied.
ETSI
9 ETSI EN 302 326-2 V2.1.1 (2021-09)
The present document introduces new technical features compared to the previous version in terms of RX
intermodulation requirements and ATPC functionality, mandatory for managing the different CS/RS link lengths where
the system has to operate as intended. In addition, it covers equipment operating in the band 40,5 GHz to 43,5 GHz
frequency band, previously separated and handled covered by ETSI EN 301 997-2 [i.27], under the regime of Directive
1999/5/EC [i.39].
For more background information on the antenna parameters, not relevant to article 3.2 of Directive 2014/53/EU [i.1],
see ETSI EN 302 326-3 [i.2].
Following annexes are embedded in the present document:
• Annex A (informative): Relationship between the present document and the essential requirements of
Directive 2014/53/EU [i.1]
• Annex B (normative): Test report in relation to flexible systems applications
• Annex C (normative): Equipment classification (EqC) and system capacity
• Annex D (informative): Transmitter Radio Frequency Spectrum mask background for ATPC and/or RTPC
implementation
• Annex E (informative): Overview of technology features of multipoint systems
• Annex F (informative): Frequency bands
• Annex G (informative): Summary Table of EqC subject to conformance declaration
• Annex H (informative): System architecture
• Annex I (informative): Mixed-mode operation
• Annex J (informative): Antennas
• Annex K (informative): Typical reference model for BER, MGBR and EMO
• Annex L (informative): Test interpretation and measurement uncertainty
• Annex M (informative): Bibliography
• Annex N (informative): Change History
ETSI
10 ETSI EN 302 326-2 V2.1.1 (2021-09)
1 Scope
The present document specifies technical characteristics and methods of measurements applicable to radio equipment
used in MultiPoint (MP) Digital Fixed Radio Systems (DFRS) (see note 2) designed for use in the following sub-ranges
(see note 3):
• 30 MHz to 1 GHz.
• 1 GHz to 3 GHz.
• 3 GHz to 11 GHz.
• 24,25 GHz to 29,5 GHz.
• 31,0 GHz to 33,4 GHz.
• 40,5 GHz to 43,5 GHz.
NOTE 1: The relationship between the present document and essential requirements of article 3.2 of Directive
2014/53/EU [i.1] is given in Annex A.
The present document is applicable to multipoint radio system equipment using any arbitrary access method. It applies
to all equipment composing the MP systems, i.e. to Central Station (CS), Terminal Station (TS) and Repeater Station
(RS).
Time Division Duplex (TDD) or Frequency Division Duplex (FDD or H-FDD) can be used on an equivalent basis.
Systems implementing an actual FH-CDMA access method with hopping period exceeding 400 ms are not considered
within the scope of the present document.
NOTE 2: Applications intended for offering in the bands 3,4 GHz to 3,8 GHz the option of Nomadic Wireless
Access (NWA), according to the NWA definition in Recommendation ITU-R F.1399 [i.14], are also
considered in the scope of the present document.
NOTE 3: For more information on the applicable frequency bands, refer to Annex F.
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
https://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] CEPT/ERC/REC 74-01 (2019): "Unwanted emissions in the spurious domain".
[2] ETSI EN 301 390 (V1.3.1) (08-2013): "Fixed Radio Systems; Point-to-point and Multipoint
Systems; Unwanted emissions in the spurious domain and receiver immunity limits at
equipment/antenna port of Digital Fixed Radio Systems".
[3] ETSI EN 301 126-2-1 (V1.1.1) (12-2000): "Fixed Radio Systems; Conformance testing; Part 2-1:
Point-to-Multipoint equipment; Definitions and general requirements".
ETSI
11 ETSI EN 302 326-2 V2.1.1 (2021-09)
[4] ETSI EN 301 126-2-2 (V1.1.1) (11-2000): "Fixed Radio Systems; Conformance testing; Part 2-2:
Point-to-Multipoint equipment; Test procedures for FDMA systems".
[5] ETSI EN 301 126-2-3 (V1.2.1) (11-2004): "Fixed Radio Systems; Conformance testing; Part 2-3:
Point-to-Multipoint equipment; Test procedures for TDMA systems".
[6] ETSI EN 301 126-2-4 (V1.1.1) (11-2000): "Fixed Radio Systems; Conformance testing; Part 2-4:
Point-to-Multipoint equipment; Test procedures for FH-CDMA systems".
[7] ETSI EN 301 126-2-5 (V1.1.1) (11-2000): "Fixed Radio Systems; Conformance testing; Part 2-5:
Point-to-Multipoint equipment; Test procedures for DS-CDMA systems".
[8] ETSI EN 301 126-2-6 (V1.1.1) (02-2002): "Fixed Radio Systems; Conformance testing; Part 2-6:
Point-to-Multipoint equipment; Test procedures for Multi Carrier Time Division Multiple Access
(MC-TDMA) systems".
[9] ETSI EN 300 019-1-3 (V2.4.1) (04-2014): "Environmental Engineering (EE); Environmental
conditions and environmental tests for telecommunications equipment; Part 1-3: Classification of
environmental conditions; Stationary use at weatherprotected locations".
[10] ETSI EN 300 019-1-4 (V2.2.1) (04-2014): "Environmental Engineering (EE); Environmental
conditions and environmental tests for telecommunications equipment; Part 1-4: Classification of
environmental conditions; Stationary use at non-weatherprotected locations".
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] 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.2] ETSI EN 302 326-3: "Fixed Radio Systems; Multipoint Equipment and Antennas; Part 3:
Multipoint Antennas".
[i.3] ITU Radio Regulations (2016).
[i.4] 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.5] ETSI EG 203 336 (V1.2.1): "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.6] ETSI TR 101 506 (V2.2.1): "Fixed Radio Systems; Generic definitions, terminology and
applicability of essential requirements covering article 3.2 of Directive 2014/53/EU to Fixed Radio
Systems".
[i.7] Recommendation ITU-R SM.1539-1: "Variation of the boundary between the out-of-band and
spurious domains required for the application of Recommendations ITU-R SM.1541 and ITU-R
SM.329".
[i.8] ETSI TR 100 028 (all parts): "Electromagnetic compatibility and Radio spectrum Matters (ERM);
Uncertainties in the measurement of mobile radio equipment characteristics".
ETSI
12 ETSI EN 302 326-2 V2.1.1 (2021-09)
[i.9] ETSI TR 102 215: "Electromagnetic compatibility and Radio spectrum Matters (ERM);
Recommended approach, and possible limits for measurement uncertainty for the measurement of
radiated electromagnetic fields above 1 GHz".
[i.10] ETSI TR 103 103 (V1.1.1): "Fixed Radio Systems; Point-to-point systems; ATPC, RTPC,
Adaptive Modulation (mixed-mode) and B
...
SLOVENSKI STANDARD
01-november-2021
Fiksni radijski sistemi - Večtočkovna oprema in antene - 2. del: Harmonizirani
standard za dostop do radijskega spektra
Fixed Radio Systems - Multipoint Equipment and Antennas - Part 2: Harmonised
Standard for access to radio spectrum
Ta slovenski standard je istoveten z: ETSI EN 302 326-2 V2.1.1 (2021-09)
ICS:
33.060.30 Radiorelejni in fiksni satelitski Radio relay and fixed satellite
komunikacijski sistemi communications systems
33.120.40 Antene Aerials
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
HARMONISED EUROPEAN STANDARD
Fixed Radio Systems;
Multipoint Equipment and Antennas;
Part 2: Harmonised Standard for access to radio spectrum
2 ETSI EN 302 326-2 V2.1.1 (2021-09)
Reference
REN/ATTM-0436
Keywords
access, DFRS, DRRS, FWA, multipoint, radio,
system
ETSI
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© ETSI 2021.
All rights reserved.
ETSI
3 ETSI EN 302 326-2 V2.1.1 (2021-09)
Contents
Intellectual Property Rights . 7
Foreword . 7
Modal verbs terminology . 8
Introduction . 8
1 Scope . 10
2 References . 10
2.1 Normative references . 10
2.2 Informative references . 11
3 Definition of terms, symbols and abbreviations . 13
3.1 Terms . 13
3.2 Symbols . 17
3.3 Abbreviations . 17
4 Framework for requirements . 19
4.1 Generality . 19
4.1.0 The "Manufacturer's declaration" concept . 19
4.1.1 Applicability of requirements . 20
4.1.1.1 Generality . 20
4.1.1.2 The Equipment Classification (EqC) . 20
4.1.2 Asymmetric MP implementations . 21
4.2 RF reference architecture . 21
4.2.1 Reference block diagram . 21
4.2.2 Measure reference points and system loading . 22
5 Technical requirements specifications . 22
5.1 General requirements . 22
5.2 Environmental profile . 22
5.3 Transmitter requirements . 22
5.3.1 General requirements . 22
5.3.2 Transmitter output power . 22
5.3.2.1 General . 22
5.3.2.2 Transmitter maximum power and EIRP . 23
5.3.2.3 Transmitter output power environmental variation . 23
5.3.3 Transmitter Radio Frequency tolerance . 24
5.3.4 Transmitter Radio Frequency spectrum mask and emissions . 24
5.3.4.1 Transmitter Radio Frequency spectrum mask . 24
5.3.4.2 Transmitter discrete CW components exceeding the transmitter Radio Frequency spectrum mask
limits . 27
5.3.5 Transmitter unwanted emissions in the spurious domain . 28
5.3.6 Transmitter power control (ATPC and RTPC) . 29
5.3.6.1 General . 29
5.3.6.2 Automatic Transmitter Power Control (ATPC) . 29
5.3.6.3 Remote Transmitter Power Control (RTPC) . 29
5.3.7 Transmitter Remote Frequency Control (RFC) . 30
5.3.8 Transmitter Dynamic Change of Modulation Order . 30
5.4 Receiver requirements . 30
5.4.1 General . 30
5.4.2 Receiver unwanted emissions in the spurious domain . 30
5.4.3 BER as a function of Receiver input Signal Level (RSL). 30
5.4.3.1 General . 30
5.4.3.2 Single signal performance . 31
5.4.3.3 Performance with maximum system loading (EqC-PET = D only) . 32
5.4.3.4 Receiver Dynamic range . 33
5.4.4 Receiver selectivity . 34
5.4.4.0 Introduction . 34
ETSI
4 ETSI EN 302 326-2 V2.1.1 (2021-09)
5.4.4.1 Receiver co-channel interference sensitivity . 34
5.4.4.2 Receiver first adjacent channel interference sensitivity . 36
5.4.4.3 Receiver blocking (CW spurious interference sensitivity) . 38
5.4.4.4 Receiver radio-frequency intermodulation and Receiver second adjacent channel interference
sensitivity . 39
5.4.4.4.1 Requirement background . 39
5.4.4.4.2 Requirement limit . 39
6 Testing for conformance with technical requirements . 40
6.1 General . 40
6.2 Environmental conditions for testing . 40
6.2.1 Generality . 40
6.2.2 Minimum profile for indoor use . 41
6.2.3 Minimum profile for outdoor use . 41
6.3 Transmitter requirements . 41
6.3.1 General . 41
6.3.1.1 Summary table for transmitter test conditions . 41
6.3.1.2 Spectrum analyser settings . 42
6.3.2 Transmitter output power . 43
6.3.2.1 General . 43
6.3.2.2 Transmitter maximum power and EIRP . 43
6.3.2.3 Transmitter output power environmental variation . 44
6.3.3 Transmitter Radio Frequency tolerance . 44
6.3.4 Transmitter Radio Frequency spectrum mask and emissions . 44
6.3.4.1 Transmitter Radio Frequency spectrum mask . 44
6.3.4.2 Transmitter Discrete CW components exceeding the transmitter Radio Frequency spectrum mask
limit . 45
6.3.5 Transmitter unwanted emissions in the spurious domain . 45
6.3.6 Transmitter power control (ATPC and RTPC) . 45
6.3.6.1 General . 45
6.3.6.2 Automatic Transmitter Power Control (ATPC) . 46
6.3.6.3 Remote Transmitter Power Control (RTPC) . 46
6.3.7 Transmitter Remote Frequency Control (RFC) . 46
6.3.8 Transmitter dynamic Change of Modulation Order . 47
6.4 Receiver requirements . 47
6.4.1 General . 47
6.4.2 Receiver unwanted emissions in the spurious domain . 48
6.4.3 BER as a function of Receiver input Signal Level (RSL). 49
6.4.3.1 General . 49
6.4.3.2 Single signal performance . 49
6.4.3.3 Performance at maximum system loading (EqC-PET = D only) . 49
6.4.3.4 Receiver dynamic range . 49
6.4.4 Receiver selectivity . 49
6.4.4.1 Receiver co-channel interference sensitivity . 49
6.4.4.2 Receiver first adjacent channel interference sensitivity . 50
6.4.4.3 Receiver blocking (CW spurious interference sensitivity) . 50
6.4.4.4 Receiver radio-frequency intermodulation and receiver second adjacent channel interference
sensitivity . 50
Annex A (informative): Relationship between the present document and the essential
requirements of Directive 2014/53/EU . 52
Annex B (normative): Test report in relation to flexible systems applications . 54
B.1 Wide radio-frequency band covering units specification and tests . 54
B.2 Multirate/Multiformat covering equipment specification and tests . 56
Annex C (normative): Equipment classification (EqC) and system capacity . 57
C.1 General . 57
C.2 EqC description . 57
C.2.1 Void . 57
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5 ETSI EN 302 326-2 V2.1.1 (2021-09)
C.2.2 Primary Equipment Type (EqC-PET) . 57
C.2.3 Secondary Equipment Type (EqC-SET) . 58
C.2.4 Equivalent Modulation Order (EqC-EMO) . 58
C.2.5 Channel Separation (EqC-ChS) . 59
C.2.6 Frequency Range (EqC-FR) . 59
C.2.7 Station Type (EqC-STN) . 59
C.3 System capacity . 60
C.3.1 General . 60
C.3.2 Capacity of equipment with EqC-PET = T, O or M . 60
C.3.3 Capacity of equipment with EqC-PET = F . 60
C.3.4 Capacity of equipment with EqC-PET = D . 61
C.4 Classification of equipment . 62
C.4.1 Equipment profiles in the scope of present document . 62
Annex D (informative): Transmitter Radio Frequency Spectrum mask background for
ATPC and/or RTPC implementation. 65
D.0 Introduction . 65
D.1 ATPC impact . 65
D.2 RTPC Impact . 66
Annex E (informative): Overview of technology features of multipoint systems . 67
E.1 General . 67
E.2 Network topology . 67
E.3 Multiplexing methods. 67
E.4 Multiple access methods . 68
E.5 Duplex methods . 68
E.6 Modulation methods . 69
E.6.1 Modulation techniques . 69
E.6.2 Equivalent Modulation Order (EMO) . 69
E.7 Error correction . 70
E.8 Other relevant system characteristics . 70
Annex F (informative): Frequency bands . 71
F.1 Frequency ranges . 71
F.2 Frequency ranges CEPT applications . 72
Annex G (informative): Summary Table of EqC subject to conformance declaration . 74
G.1 The right to copy . 74
Annex H (informative): System architecture . 75
H.1 General architecture . 75
H.2 Point-to-MultiPoint (P-MP) architectures . 75
H.3 Mesh (or MP-MP) architectures . 77
Annex I (informative): Mixed-mode operation . 78
I.1 Introduction . 78
I.2 General description of mixed-mode systems . 78
I.3 Background for transmitter and receiver requirements operating in mixed-mode . 78
I.3.1 Requirements summary . 78
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6 ETSI EN 302 326-2 V2.1.1 (2021-09)
I.3.2 Transmitter Radio Frequency spectrum masks for mixed-mode systems . 78
I.3.3 Receiver adjacent channel interference sensitivity . 80
I.3.4 Receiver co-channel interference sensitivity . 80
Annex J (informative): Antennas . 81
J.1 Antenna generality . 81
J.2 Antenna profiles . 81
Annex K (informative): Typical reference model for BER, MGBR and EMO . 82
K.1 General . 82
K.2 Interface X' to X' . 83
1 N
K.3 Payload processing block . 83
K.4 Multiple access block . 84
K.5 Outer error correcting block . 84
K.6 Inner error correcting block . 84
K.7 Modulator . 85
K.8 Choice of reference point for BER, MGBR and EMO . 85
K.9 Examples . 85
K.9.1 16 QAM TDMA system with 3/4 rate convolutional coding . 85
K.9.2 16 QAM TDMA system with 1/2 rate convolutional coding and 204/188 Reed Solomon coding . 86
K.9.3 16 QAM TDMA system with 1/2 rate turbo coding . 86
K.9.4 16 QAM FDMA system with 1/2 rate convolutional coding . 86
Annex L (informative): Test interpretation and measurement uncertainty . 87
Annex M (informative): Bibliography . 88
Annex N (informative): Change History . 89
History . 90
ETSI
7 ETSI EN 302 326-2 V2.1.1 (2021-09)
Intellectual Property Rights
Essential patents
IPRs essential or potentially essential to normative deliverables may have been declared to ETSI. The declarations
pertaining to these essential IPRs, if any, are 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 Directives including the ETSI IPR Policy, no investigation regarding the essentiality of IPRs,
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.
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 a trademark of ETSI registered for the benefit of its Members and of the ®
oneM2M Partners. GSM and the GSM logo are trademarks registered and owned by the GSM Association.
Foreword
This Harmonised European Standard (EN) has been produced by ETSI Technical Committee Access, Terminals,
Transmission and Multiplexing (ATTM).
The present document has been prepared under the Commission's standardisation request C(2015) 5376 final [i.4] 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.1].
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 present document covers characteristics and requirements for fixed multipoint radio equipment using a variety of
access and duplex methods and operating at a variety of bit rates in frequency bands as specified in the present
document.
The present document is part 2 of a multi-part deliverable covering the Fixed Radio Systems; Multipoint Equipment and
Antennas, as identified below:
Part 1: "Overview and Requirements for Digital Multipoint Radio Systems";
Part 2: "Harmonised Standard for access to radio spectrum";
Part 3: "Multipoint Antennas".
NOTE: Part 1 is no longer maintained and referenced in other parts of the series.
ETSI
8 ETSI EN 302 326-2 V2.1.1 (2021-09)
National transposition dates
Date of adoption of this EN: 30 August 2021
Date of latest announcement of this EN (doa): 30 November 2021
Date of latest publication of new National Standard
or endorsement of this EN (dop/e): 31 May 2022
Date of withdrawal of any conflicting National Standard (dow): 31 May 2023
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.
Introduction
The present document defines the essential characteristics for multipoint radio equipment and up to 43,5 GHz to comply
with article 3.2 of Directive 2014/53/EU [i.1].
For the purpose of the present document, multipoint radio systems can be considered as radio systems which
interconnect a number of fixed stations (usually more than two). The topology of the systems may be
Point-to-MultiPoint (P-MP), or MultiPoint-to-MultiPoint (MP-MP), known as "Mesh".
Depending on the application, MultiPoint Systems can be seen either as "Fixed Wireless Access" (FWA) systems to
grant multiple access to different services with a variety of bit rates, or as "infrastructure" or "backhaul" applications
when different stations in a network will be connected to support, e.g. duplex mobile telephony.
Either as narrowband or wideband system MultiPoint technology facilitates access to public and private networks
(PSTN, Internet, PDN, etc.) to connect residential and business subscribers in urban, suburban and rural areas.
Access and infrastructure applications can be supported simultaneously.
In order to (technically) cover different market and network requirements, with an appropriate balance of performance
to cost and effective use of the radio spectrum, the present document, together with ETSI EN 302 326-3 [i.2], offers a
number of radio equipment types and antennas alternatives (integral or dedicated antennas).
Those options include:
• channel separation alternatives (as provided by the relevant CEPT Recommendation);
• spectral efficiency class alternatives (different modulation formats provided in radio equipment standards).
Antenna characteristics are not relevant for access to radio spectrum of MP fixed radio systems (see technical
description in ETSI TR 101 506 [i.6]). For information, the most common types of antennas are standardized in Part 3
of this multi-part deliverable [i.2].
The applicability of this whole multi-part deliverable to MP equipment is governed by the definition of a number of
equipment/system profiles that define the set of consistent requirements to which equipment would comply.
For compliance purposes, a specific type of equipment needs to be identified by an Equipment Classification (EqC)
coherent set, as specified in annex C.
Based on this Equipment Classification, the appropriate clauses of the present document have to be applied.
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9 ETSI EN 302 326-2 V2.1.1 (2021-09)
The present document introduces new technical features compared to the previous version in terms of RX
intermodulation requirements and ATPC functionality, mandatory for managing the different CS/RS link lengths where
the system has to operate as intended. In addition, it covers equipment operating in the band 40,5 GHz to 43,5 GHz
frequency band, previously separated and handled covered by ETSI EN 301 997-2 [i.27], under the regime of Directive
1999/5/EC [i.39].
For more background information on the antenna parameters, not relevant to article 3.2 of Directive 2014/53/EU [i.1],
see ETSI EN 302 326-3 [i.2].
Following annexes are embedded in the present document:
• Annex A (informative): Relationship between the present document and the essential requirements of
Directive 2014/53/EU [i.1]
• Annex B (normative): Test report in relation to flexible systems applications
• Annex C (normative): Equipment classification (EqC) and system capacity
• Annex D (informative): Transmitter Radio Frequency Spectrum mask background for ATPC and/or RTPC
implementation
• Annex E (informative): Overview of technology features of multipoint systems
• Annex F (informative): Frequency bands
• Annex G (informative): Summary Table of EqC subject to conformance declaration
• Annex H (informative): System architecture
• Annex I (informative): Mixed-mode operation
• Annex J (informative): Antennas
• Annex K (informative): Typical reference model for BER, MGBR and EMO
• Annex L (informative): Test interpretation and measurement uncertainty
• Annex M (informative): Bibliography
• Annex N (informative): Change History
ETSI
10 ETSI EN 302 326-2 V2.1.1 (2021-09)
1 Scope
The present document specifies technical characteristics and methods of measurements applicable to radio equipment
used in MultiPoint (MP) Digital Fixed Radio Systems (DFRS) (see note 2) designed for use in the following sub-ranges
(see note 3):
• 30 MHz to 1 GHz.
• 1 GHz to 3 GHz.
• 3 GHz to 11 GHz.
• 24,25 GHz to 29,5 GHz.
• 31,0 GHz to 33,4 GHz.
• 40,5 GHz to 43,5 GHz.
NOTE 1: The relationship between the present document and essential requirements of article 3.2 of Directive
2014/53/EU [i.1] is given in Annex A.
The present document is applicable to multipoint radio system equipment using any arbitrary access method. It applies
to all equipment composing the MP systems, i.e. to Central Station (CS), Terminal Station (TS) and Repeater Station
(RS).
Time Division Duplex (TDD) or Frequency Division Duplex (FDD or H-FDD) can be used on an equivalent basis.
Systems implementing an actual FH-CDMA access method with hopping period exceeding 400 ms are not considered
within the scope of the present document.
NOTE 2: Applications intended for offering in the bands 3,4 GHz to 3,8 GHz the option of Nomadic Wireless
Access (NWA), according to the NWA definition in Recommendation ITU-R F.1399 [i.14], are also
considered in the scope of the present document.
NOTE 3: For more information on the applicable frequency bands, refer to Annex F.
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
https://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] CEPT/ERC/REC 74-01 (2019): "Unwanted emissions in the spurious domain".
[2] ETSI EN 301 390 (V1.3.1) (08-2013): "Fixed Radio Systems; Point-to-point and Multipoint
Systems; Unwanted emissions in the spurious domain and receiver immunity limits at
equipment/antenna port of Digital Fixed Radio Systems".
[3] ETSI EN 301 126-2-1 (V1.1.1) (12-2000): "Fixed Radio Systems; Conformance testing; Part 2-1:
Point-to-Multipoint equipment; Definitions and general requirements".
ETSI
11 ETSI EN 302 326-2 V2.1.1 (2021-09)
[4] ETSI EN 301 126-2-2 (V1.1.1) (11-2000): "Fixed Radio Systems; Conformance testing; Part 2-2:
Point-to-Multipoint equipment; Test procedures for FDMA systems".
[5] ETSI EN 301 126-2-3 (V1.2.1) (11-2004): "Fixed Radio Systems; Conformance testing; Part 2-3:
Point-to-Multipoint equipment; Test procedures for TDMA systems".
[6] ETSI EN 301 126-2-4 (V1.1.1) (11-2000): "Fixed Radio Systems; Conformance testing; Part 2-4:
Point-to-Multipoint equipment; Test procedures for FH-CDMA systems".
[7] ETSI EN 301 126-2-5 (V1.1.1) (11-2000): "Fixed Radio Systems; Conformance testing; Part 2-5:
Point-to-Multipoint equipment; Test procedures for DS-CDMA systems".
[8] ETSI EN 301 126-2-6 (V1.1.1) (02-2002): "Fixed Radio Systems; Conformance testing; Part 2-6:
Point-to-Multipoint equipment; Test procedures for Multi Carrier Time Division Multiple Access
(MC-TDMA) systems".
[9] ETSI EN 300 019-1-3 (V2.4.1) (04-2014): "Environmental Engineering (EE); Environmental
conditions and environmental tests for telecommunications equipment; Part 1-3: Classification of
environmental conditions; Stationary use at weatherprotected locations".
[10] ETSI EN 300 019-1-4 (V2.2.1) (04-2014): "Environmental Engineering (EE); Environmental
conditions and environmental tests for telecommunications equipment; Part 1-4: Classification of
environmental conditions; Stationary use at non-weatherprotected locations".
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] 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.2] ETSI EN 302 326-3: "Fixed Radio Systems; Multipoint Equipment and Antennas; Part 3:
Multipoint Antennas".
[i.3] ITU Radio Regulations (2016).
[i.4] 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.5] ETSI EG 203 336 (V1.2.1): "Guide for the select
...
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