ETSI EN 302 217-3 V1.2.1 (2008-02)
Fixed Radio Systems; Characteristics and requirements for point-to-point equipment and antennas; Part 3: Harmonized EN covering essential requirements of article 3.2 of R&TTE Directive for equipment operating in frequency bands where simplified or no frequency co-ordination procedures are applied
Fixed Radio Systems; Characteristics and requirements for point-to-point equipment and antennas; Part 3: Harmonized EN covering essential requirements of article 3.2 of R&TTE Directive for equipment operating in frequency bands where simplified or no frequency co-ordination procedures are applied
REN/ATTM-04001
Fiksni radijski sistemi - Karakteristike in zahteve za opremo tipa točka-točka in antene - 3. del: Harmonizirani EN, ki zajema bistvene zahteve člena 3.2 direktive R&TTE za opremo, ki deluje v frekvenčnih pasovih, kjer se izvaja poenostavljena frekvenčna koordinacija ali se frekvenčna koordinacija ne izvaja
General Information
Relations
Standards Content (Sample)
Harmonized European Standard (Telecommunications series)
Fixed Radio Systems;
Characteristics and requirements for
point-to-point equipment and antennas;
Part 3: Harmonized EN covering essential requirements
of article 3.2 of R&TTE Directive for equipment operating in
frequency bands where simplified or no frequency
co-ordination procedures are applied
2 ETSI EN 302 217-3 V1.2.1 (2008-02)
Reference
REN/ATTM-04001
Keywords
DFRS, digital, DRRS, FWA, point-to-point, radio,
regulation, transmission, antenna
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ETSI
3 ETSI EN 302 217-3 V1.2.1 (2008-02)
Contents
Intellectual Property Rights.6
Foreword.6
Introduction .7
1 Scope.8
2 References.9
2.1 Normative references.9
2.2 Informative references.10
3 Definitions, symbols and abbreviations .11
3.1 Definitions.11
3.2 Symbols.11
3.3 Abbreviations.11
4 Technical requirements specifications .11
4.1 Environmental profile.11
4.2 RF-channel selection.11
4.2.1 RF-channel selection procedure.12
4.2.2 Interference avoidance requirements .12
4.2.2.1 Interference avoidance limit.12
4.2.3 Frequency agile automatic channel selection.12
4.3 Transmitter requirements.13
4.3.1 Transmitter power.13
4.3.1.1 Transmitter power.13
4.3.1.2 Equivalent Isotropically Radiated Power (EIRP).13
4.3.1.3 Output Power Tolerance .13
4.3.2 Radio Frequency (RF) spectrum mask.13
4.3.3 Spurious emissions.13
4.3.4 Radio frequency tolerance .14
4.3.5 Antenna directional requirements .14
4.3.5.1 Radiation Pattern Envelope (Off-axis EIRP density).14
4.3.5.2 Antenna gain.14
4.3.5.3 Antenna Cross-Polar Discrimination (XPD).14
4.4 Receiver requirements.15
4.4.1 Spurious emissions.15
5 Testing for compliance with technical requirements.15
5.1 Environmental conditions for testing .15
5.2 RF-channel selection.16
5.3 Essential radio test suites for the transmitter .16
5.3.1 Transmitter power.17
5.3.1.1 Transmitter power.17
5.3.1.2 Equivalent Isotropically Radiated Power (EIRP) and EIRP density mask.17
5.3.1.3 Output power tolerance .17
5.3.2 RF spectrum mask.17
5.3.3 Spurious emissions - external .17
5.3.4 Radio frequency tolerance .17
5.3.5 Antenna and system directional requirements .18
5.3.5.1 Radiation pattern envelope (Off-axis EIRP density).18
5.3.5.2 Antenna gain.18
5.3.5.3 Antenna Cross-Polar Discrimination (XPD).18
5.4 Essential radio test suites for the receiver .18
5.4.1 Spurious emissions.19
Annex A (normative): HS Requirements and conformance Test specifications Table (HS-
RTT).20
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4 ETSI EN 302 217-3 V1.2.1 (2008-02)
Annex B (normative): Wide radio-frequency band covering units and multirate equipment
specification and tests .22
B.1 Wide radio-frequency band covering units .22
B.2 Multirate/multiformat equipment .24
Annex UA (normative): Frequency bands around 58 GHz.25
UA.0 Introduction.25
UA.1 Digital systems .25
UA.1.1 Frequency bands and channel arrangements .25
UA.1.1.1 Frequency band.25
UA.1.1.2 Radio channel arrangements.25
UA.1.1.3 Transmission capacity.25
UA.1.2 Transmitter.25
UA.1.2.1 Transmitter power.25
UA.1.2.2 Equivalent Isotropically Radiated Power (EIRP) .26
UA.1.2.3 Output power tolerance.26
UA.1.2.4 RF spectrum masks.26
UA.1.2.4.1 Limits.26
UA.1.2.4.2 Spectrum analyser settings.27
UA.1.2.5 Spurious emissions-external.27
UA.1.2.6 Radio frequency tolerance .27
UA.1.2.7 RF-channel selection parameters .27
UA.1.3 Receiver.27
UA.2 Analogue systems.28
UA.2.1 Frequency bands and channel arrangements .28
UA.2.1.1 Frequency band.28
UA.2.1.2 Radio channel arrangements.28
UA.2.1.3 Transmission capacity.28
UA.2.2 Transmitter.28
UA.2.2.1 Transmitter power.28
UA.2.2.2 Equivalent Isotropically Radiated Power (EIRP) .28
UA.2.2.3 Output power tolerance.28
UA.2.2.4 RF spectrum masks.28
UA.2.2.5 Spurious emissions - external .28
UA.2.2.6 RF frequency tolerance.28
UA.2.3 Receiver requirements.29
UA.2.3.1 Spurious emissions.29
Annex UB (normative): Frequency band 64 GHz to 66 GHz .30
UB.0 Introduction.30
UB.1 Frequency bands and channel arrangements .30
UB.1.1 Frequency band.30
UB.1.2 Radio channel arrangements.30
UB.1.3 Spectral efficiency.31
UB.2 Transmitter.31
UB.2.1 Transmitter power and Equivalent Isotropically Radiated Power (EIRP).31
UB.2.2 Output power tolerance .33
UB.2.3 EIRP density masks.33
UB.2.3.1 Limits.33
UB.2.3.2 Spectrum analyser settings.34
UB.2.4 Spurious emissions.34
UB.2.5 Radio frequency tolerance.35
UB.2.6 RF-channel selection parameters.35
UB.2.7 Antenna gain.35
UB.3 Receiver.35
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5 ETSI EN 302 217-3 V1.2.1 (2008-02)
Annex UC (normative): Void .36
Annex UD (informative): Rationale for the interference limit formula .37
UD.1 Analysis of the quality value for the channel selection procedure .37
UD.1.1 Error-performance and availability requirements for Class A equipment.37
UD.1.1.1 Example in the 58 GHz band.37
UD.1.2 Theoretical background.37
UD.1.3 Typical co-channel interference situation when channel rejection threshold is used .38
UD.2 Protection capability of the RF-channel selection procedure.39
UD.3 Frequency agility criteria.40
Annex UE (informative): Capacity and Receiver characteristics in the band 64 GHz to 65 GHz.41
UE.1 Band 64 GHz to 65 GHz .41
UE.1.1 BER as a function of receiver input signal level (RSL) .41
UE.1.2 Co-channel and adjacent channel interference sensitivity.42
UE.1.3 CW spurious interference.42
Annex UF (informative): Bibliography.43
Annex UG (informative): The EN title in the official languages .44
History .46
ETSI
6 ETSI EN 302 217-3 V1.2.1 (2008-02)
Intellectual Property Rights
IPRs essential or potentially essential to the present document may have been declared to ETSI. The information
pertaining to these essential IPRs, if any, is publicly available for ETSI members and non-members, and can be found
in ETSI SR 000 314: "Intellectual Property Rights (IPRs); Essential, or potentially Essential, IPRs notified to ETSI in
respect of ETSI standards", which is available from the ETSI Secretariat. Latest updates are available on the ETSI Web
server (http://webapp.etsi.org/IPR/home.asp).
Pursuant to the ETSI IPR Policy, no investigation, including IPR searches, has been carried out by ETSI. No guarantee
can be given as to the existence of other IPRs not referenced in ETSI SR 000 314 (or the updates on the ETSI Web
server) which are, or may be, or may become, essential to the present document.
Foreword
This Harmonized European Standard (Telecommunications series) has been produced by ETSI Technical Committee
Access, Terminals, Transmission and Multiplexing(ATTM).
The present document has been produced by ETSI in response to a mandate from the European Commission issued
under Council Directive 98/34/EC (as amended) laying down a procedure for the provision of information in the field of
technical standards and regulations.
The present document is intended to become a Harmonized Standard, the reference of which will be published in the
Official Journal of the European Communities referencing the Directive 1999/5/EC [1] of the European Parliament and
of the Council of 9 March 1999 on radio equipment and telecommunications terminal equipment and the mutual
recognition of their conformity ("R&TTE Directive").
Technical specifications relevant to Directive 1999/5/EC [1] are given in annex A.
The present document is part 3 of a multi-part deliverable covering Fixed Radio Systems; Characteristics and
requirements for point-to-point equipment and antennas, as identified below:
Part 1: "Overview and system-independent common characteristics";
Part 2-1: "System-dependent requirements for digital systems operating in frequency bands where frequency
co-ordination is applied";
Part 2-2: "Harmonized EN covering essential requirements of Article 3.2 of R&TTE Directive for digital systems
operating in frequency bands where frequency co-ordination is applied";
Part 3: "Harmonized EN covering essential requirements of Article 3.2 of R&TTE Directive for equipment
operating in frequency bands where simplified or no frequency co-ordination procedures are
applied";
Part 4-1: "System-dependent requirements for antennas";
Part 4-2: "Harmonized EN covering essential requirements of Article 3.2 of R&TTE Directive for antennas".
National transposition dates
Date of adoption of this EN: 8 February 2008
Date of latest announcement of this EN (doa): 31 May 2008
Date of latest publication of new National Standard
or endorsement of this EN (dop/e): 30 November 2008
Date of withdrawal of any conflicting National Standard (dow): 30 November 2009
ETSI
7 ETSI EN 302 217-3 V1.2.1 (2008-02)
Introduction
The EN 302 217 series has been produced in order to rationalize a large number of previous ETSI ENs dealing with
equipment and antennas for Point-to-Point (P-P) Fixed Service applications. For more details, see foreword in the
EN 302 217-1 [7].
The present document is part of a set of standards developed by ETSI and is designed to fit in a modular structure to
cover all radio and telecommunications terminal equipment within the scope of the R&TTE Directive [1]. The modular
structure is described in EG 201 399 and shown in figure 1.
3.3f
3.3e Emergency*
3.3d Fraud*
3.3c Privacy*
3.3b
No harm to the network*
* If needed a
Scope by
Inter-working via the network*
equipement
3.3a
class or type
Inter-working with the network*
3.2 Use of Spectrum
Spectrum
New radio harmonized standards
Scoped by frequency and/or equipment type
Radio Product EMC
3.1b
EN 301 489 multi-part EMC standard
EMC
Generic and product standards also notified under EMC Directive
Standards covering Human Exposure to Electromagnetic Fields
relating to individual productcs
3.1a
New standards for acoustic safety
Safety
Standards also notified under LV Directive
Non-radio Radio (RE)
Non TTE
TTE
Legend:
Scope ot the present document: Any Point-to-point DFRS and
antennas in all frequency bands
Figure 1: Modular structure for the various standards used under the R&TTE Directive
NOTE: For article 3.1b the diagram shows EN 301 489 [16], the multi-part product EMC standard for radio used
under the EMC Directive 89/336/EEC [17]. For Fixed Radio Systems EN, EN 301 489-1 [18] and
EN 301 489-4 [19] are relevant.
ETSI
8 ETSI EN 302 217-3 V1.2.1 (2008-02)
1 Scope
The present document specifies the essential requirements for point-to-point Digital Fixed Radio Systems (DFRS)
operating in higher frequency bands, which might not require detailed link-by-link co-ordinated frequency planning;
this imply either no co-ordination at all (i.e. the band usage is free and the user is responsible for detecting a suitable
interference-free operating frequency) or simplified co-ordination procedures implying the knowledge of existing links
(e.g. through a public national database) so that the impact of a possible new link could be evaluated on the basis of
budgetary considerations of typical equipment receiver parameters (which will not be considered related to essential
requirements of art 3.2 R&TTE Directive [1]). It is intended to cover the provisions of Directive 1999/5/EC [1]
(R&TTE Directive) regarding article 3.2, which states that "… radio equipment shall be so constructed that it
effectively uses the spectrum allocated to terrestrial/space radio communications and orbital resources so as to avoid
harmful interference".
The EN 302 217 series introduces requirements for systems (equipment and antennas) that were formerly covered by
EN 301 751 [20] and that are technically equivalent or less stringent requirements. Therefore, from a strictly technical
point of view, it is expected that equipment already conforming to the previous EN 301 751 [20] or previous versions of
the present harmonized standard, would not need a new test report for re-assessment of essential requirements according
this new multi-part deliverable; however, legal implications with respect to the declaration of conformity and equipment
labelling are not in the scope of the present document.
In addition to the present document, other ENs that specify technical requirements in respect of essential requirements
under other parts of article 3 of the R&TTE Directive [1] will apply to equipment within the scope of the present
document.
NOTE: A list of such ENs is included on the web site http://www.newapproach.org/.
In order to technically cover different market and network requirements, with an appropriate balance of performance to
cost and effective and appropriate use of the radio spectrum, the present document, together with EN 302 217-4-2 [8],
offers system types and antennas alternatives, for selection by administrations, operators and manufacturers dependent
on the desired use of the radio spectrum and network/market requirements, those options include:
• channel separation alternatives (as provided by the relevant CEPT Recommendation);
• implemented procedure for free radio channel selection;
• antenna directivity class alternatives (for different network density requirement).
The present document is mainly intended to cover fixed radio equipment without integral antennas. However, it also
applies to fixed radio systems products with integral antennas, for which all the technical requirements included in the
present document and in EN 302 217-4-2 [8] apply. For more background information on the equipment and antenna
parameters here identified as relevant to article 3.2 of R&TTE Directive see EG 201 399 [15] and TR 101 506 [21] .
For example, the frequency band 58 GHz is proposed to be used by various technologies for uncoordinated use of the
band. Besides the RF-channel selection procedure, specified in clause 4.2 to avoid unacceptable interference situations,
this band also benefits from the high and stable atmospheric attenuation which suppresses efficiently distant interferers
(about 10 dB/km to 15 dB/km at sea level, refer to ITU-R Recommendation P.676 [22] .
For the purposes of the present document two equipment Classes are specified depending on the network requirements:
• Class A: Digital equipment which apply the automatic RF-channel selection procedure (see clause 4.2) for
interference avoidance and error performance enhancement.
• Class B: Equipment without automatic RF-channel selection procedure.
Typical applications for Class A equipment are interconnection between cellular networks where, in some cases, there
is a need for short length connections (up to about 500 m). The RF channel selection procedure shall be used to protect
existing systems from a new system being commissioned. However, the channel selection procedure may not guarantee
interference free installation or operation in all cases, due to limitations in the procedure with respect to the variety of
systems.
Typical applications for Class B equipment are:
• private connections, such as video surveillance systems in 58 GHz band;
ETSI
9 ETSI EN 302 217-3 V1.2.1 (2008-02)
• very high capacity (of Gigabit/s order or more) over relatively short links (up to around 2 km) in 65 GHz band
(e.g. for connecting large data servers).
2 References
References are either specific (identified by date of publication and/or edition number or version number) or
non-specific.
• For a specific reference, subsequent revisions do not apply.
• Non-specific reference may be made only to a complete document or a part thereof and only in the following
cases:
- if it is accepted that it will be possible to use all future changes of the referenced document for the
purposes of the referring document;
- for informative references.
Referenced documents which are not found to be publicly available in the expected location might be found at
http://docbox.etsi.org/Reference.
For online referenced documents, information sufficient to identify and locate the source shall be provided. Preferably,
the primary source of the referenced document should be cited, in order to ensure traceability. Furthermore, the
reference should, as far as possible, remain valid for the expected life of the document. The reference shall include the
method of access to the referenced document and the full network address, with the same punctuation and use of upper
case and lower case letters.
NOTE: While any hyperlinks included in this clause were valid at the time of publication ETSI cannot guarantee
their long term validity.
2.1 Normative references
The following referenced documents are indispensable for the application of the present document. For dated
references, only the edition cited applies. For non-specific references, the latest edition of the referenced document
(including any amendments) applies.
[1] Directive 1999/5/EC of the European Parliament and of the Council of 9 March 1999 on radio
equipment and telecommunications terminal equipment and the mutual recognition of their
conformity (R&TTE Directive).
[2] CEPT/ERC/REC 74-01 (2005): "Unwanted emissions in the spurious domain".
[3] CEPT/ERC/REC 12-09 (2004): "Radio frequency channel arrangement for Fixed Service systems
operating in the band 57,0 - 59,0 GHz which do not require frequency planning".
[4] CEPT/ECC/REC/(05)02 (2005): "Use of the 64,0 - 66,0 GHz frequency band for Fixed Service".
[5] ETSI EN 301 126-1 (V1.1.2): "Fixed Radio Systems; Conformance testing; Part 1: Point-to-Point
equipment - Definitions, general requirements and test procedures".
[6] ETSI EN 301 126-3-1 (V1.1.1): "Fixed Radio Systems; Conformance testing; Part 3-1: Point-to-
Point antennas; Definitions, general requirements and test procedures".
[7] ETSI EN 302 217-1 (V1.2.1): "Fixed Radio Systems; Characteristics and requirements for point-
to-point equipment and antennas; Part 1: Overview and system-independent common
characteristics".
[8] ETSI EN 302 217-4-2 (V1.3.1): "Fixed Radio Systems; Characteristics and requirements for point-
to-point equipment and antennas; Part 4-2: Harmonized EN covering essential requirements of
Article 3.2 of R&TTE Directive for antennas".
ETSI
10 ETSI EN 302 217-3 V1.2.1 (2008-02)
[9] IEEE 1802.3 (2001): "IEEE Conformance Test Methodology for IEEE Standards for Local and
Metropolitan Area Networks-Specific Requirements-Part 3: Carrier Sense Multiple Access with
Collision Detection (CSMA/CD) Access Method and Physical Layer Specifications".
[10] IEEE 802.3 (2002): "Information technology - Telecommunications and information exchange
between systems - Local and metropolitan area networks - Specific requirements - Part 3: Carrier
Sense Multiple Access with Collision Detection (CSMA/CD) access method and physical layer
specifications".
[11] ITU-R Recommendation SM.1539 (2002): "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".
[12] ITU-T Recommendation O.151 and Corrigendum 1 (2002): "Error performance measuring
equipment operating at the primary rate and above".
[13] ITU-T Recommendation O.181 (2002): "Equipment to assess error performance on STM-N
interfaces".
[14] ITU-T Recommendation O.191 (2000): "Equipment to measure the cell transfer performance of
ATM connections".
2.2 Informative references
[15] ETSI EG 201 399: "Electromagnetic compatibility and Radio spectrum Matters (ERM); A guide to
the production of candidate Harmonized Standards for application under the R&TTE Directive".
[16] ETSI EN 301 489 (All parts): "Electromagnetic compatibility and Radio spectrum Matters (ERM);
ElectroMagnetic Compatibility (EMC) standard for radio equipment and services".
[17] EMC Directive 89/336/EEC: "Council Directive of 3 May 1989 on the approximation of the laws
of the Member States relating to electromagnetic compatibility".
[18] ETSI EN 301 489-1: "Electromagnetic compatibility and Radio spectrum Matters (ERM);
ElectroMagnetic Compatibility (EMC) standard for radio equipment and services; Part 1:
Common technical requirements".
[19] ETSI EN 301 489-4: "Electromagnetic compatibility and Radio spectrum Matters (ERM);
ElectroMagnetic Compatibility (EMC) standard for radio equipment and services; Part 4: Specific
conditions for fixed radio links and ancillary equipment and services".
[20] ETSI EN 301 751 (V1.2.1): "Fixed Radio Systems; Point-to-Point equipments and antennas;
Generic harmonized standard for Point-to-Point digital fixed radio systems and antennas covering
the essential requirements under article 3.2 of the 1999/5/EC Directive".
[21] ETSI TR 101 506: "Fixed Radio Systems; Generic definitions, terminology and applicability of
essential requirements under the article 3.2 of 99/05/EC Directive to Fixed Radio Systems".
[22] ITU-R Recommendation P.676: "Attenuation by atmospheric gases".
[23] ITU-R Recommendation F.1191: "Bandwidths and unwanted emissions of digital radio-relay
systems".
[24] ETSI EN 302 217-2-1: "Fixed Radio Systems; Characteristics and requirements for point-to-point
equipment and antennas; Part 2-1: System-dependent requirements for digital systems operating in
frequency bands where frequency co-ordination is applied".
[25] ETSI EN 302 217-2-2: "Fixed Radio Systems; Characteristics and requirements for point-to-point
equipment and antennas; Part 2-2: Harmonized EN covering essential requirements of Article 3.2
of R&TTE Directive for digital systems operating in frequency bands where frequency co-
ordination is applied".
[26] ITU-R Recommendation F.1497: "Radio-frequency channel arrangements for fixed wireless
systems operating in the band 55.78-59 GHz".
ETSI
11 ETSI EN 302 217-3 V1.2.1 (2008-02)
[27] ITU-R Recommendation F.1101: "Characteristics of digital fixed wireless systems below about 17
GHz".
[28] ETSI EN 301 390 (V1.2.1): "Fixed Radio Systems; Point-to-point and Multipoint Systems;
Spurious emissions and receiver immunity limits at equipment/antenna port of Digital Fixed Radio
Systems".
[29] ITU Radio Regulations (2004).
3 Definitions, symbols and abbreviations
3.1 Definitions
For the purposes of the present document, the terms and definitions given in EN 302 217-1 [7] apply.
3.2 Symbols
For the purposes of the present document, the symbols given in EN 302 217-1 [7] apply.
3.3 Abbreviations
For the purposes of the present document, the abbreviations given in EN 302 217-1 [7] apply.
4 Technical requirements specifications
Guidance and description of the phenomena relevant to "essential requirements" under article 3.2 is given in
EG 201 399 [15]; specific applications and descriptions for DFRS is given in TR 101 506 [21] .
In the following clauses, limits are required to be met at specific reference points of the system block diagram.
Reference points and the system block diagram are those set out in figure 1 of EN 302 217-1 [7].
In the case of wide radio-frequency bands covering units and multirate/multiformat equipment, these specifications
shall be met at any frequency and at any rate/format. However the tests, required for generating a test report and/or
declaration of conformity, in order to fulfil any conformity assessment procedure with respect to the
R&TTE Directive [1], shall be carried-out in accordance with the principles set out in annex B.
Testing methods and conditions for assessing all requirements are specified in clause 5, where each clause directly
refers to corresponding clause in this clause.
4.1 Environmental profile
The required environmental profile for operation of the equipment shall be declared by the supplier. The equipment
shall comply with all the technical requirements of the present document at all times when operating within the
boundary limits of the required operational environmental profile.
For testing the compliance with technical requirements see also EN 301 126-1 [5] and clause 5 of the present document.
NOTE: With the generic term of environmental profile, it is here intended any variation of the "external"
conditions (e.g. climatic and external primary/secondary power supply sources feeding the equipment to
be assessed) that might affect the system parameter relevant to the "essential requirements" of article 3.2
of the R&TTE Directive [1].
4.2 RF-channel selection
RF-channel selection procedure is mandatory for Class A equipment only.
ETSI
12 ETSI EN 302 217-3 V1.2.1 (2008-02)
4.2.1 RF-channel selection procedure
The purpose of the RF-channel selection procedure is to detect and protect existing transmissions in order to avoid
unacceptable interference situations.
At both transmission sites, radio-relay terminals shall measure during installation, the interference levels of both receive
and transmit channels (see note). Only in the instance when an unoccupied channel is identified and selected as the
transmission channel shall the transmit power be switched on. The interference avoidance requirements for the receiver
to detect occupied channels are specified in clause 4.2.2.
The principle of protecting existing transmission shall be respected also during the antenna alignment procedure.
NOTE: If the national regulatory rules allow to change the frequency of the link during its operation, it may be
considered, in order to decrease the possibility of undetected interference, to apply the RF channel
selection procedure whenever appropriate (e.g. when restoring a link after a failure or by suitable
automatic timed routine in conjunction with frequency agility as in clause 4.2.3).
4.2.2 Interference avoidance requirements
4.2.2.1 Interference avoidance limit
The radio relay terminal shall consider the radio channel occupied when the level of the interference is above the
following limit:
• Pi > C dBm + 10 log (BW/10 MHz).
Where:
• BW is the noise bandwidth of the receiver expressed in MHz.
• Pi is the interference power expressed in dBm measured within the receiver noise bandwidth (BW).
The value C is dependent on frequency band and is given in the relevant annexes UA to UC.
For the rationale of the interference limit formula see annex UD.
For test purpose this requirement shall be fulfilled at reference point C within the intended band of transmission:
• with a signal similar to the transmitted one;
• with a CW signal at any frequency within this band.
The value of the intended band of transmission shall be declared by the supplier.
4.2.3 Frequency agile automatic channel selection
Frequency agility is an optional feature.
If unacceptable interference which exceeds a predetermined duration is observed, an automatic change of RF-channel
can be initiated using the RF-channel selection procedure described above. If an automatic RF-channel change facility
is implemented a means shall be provided to disable it. Unacceptable interference criteria shall be declared by the
supplier (see clause UD.3).
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13 ETSI EN 302 217-3 V1.2.1 (2008-02)
4.3 Transmitter requirements
The specified transmitter characteristics shall be met with the appropriate base band signals applied at one of the
reference points X' of figure 1 of EN 302 217-1 [7].
The appropriate base band signals for most common digital interfaces are given in table 1.
Table 1: Test signal and type of base band interface
Type of base band signal interface at X/X' Test signal to be applied according to:
PDH ITU-T Recommendation O.151 [12] (PRBS)
SDH ITU-T Recommendation O.181 [13]
ATM ITU-T Recommendation O.191 [14]
Ethernet interface (packet data) IEEE 1802.3 [9] and IEEE 802.3 [10]
Other than the above Relevant standards which the interface refers to (see note)
NOTE: When standard interfaces are provided they shall comply with ITU-T standards or other standardized
interface declared by the supplier. However, in some applications of these radio relay systems,
interface parts may be integrated with other systems and therefore standard interfaces (X, X'
reference sections) are not available under these circumstances. In the latter case the radio system
assessment shall be made including those other equipment for properly supplying all loading
conditions foreseen.
4.3.1 Transmitter power
4.3.1.1 Transmitter power
Transmitter maximum mean output power at reference point C' of the system block diagram (figure 1 of
EN 302 217-1 [7]) shall not exceed A dBW (including tolerance and, if applicable, ATPC/RTPC influence). The values
of A are dependent on frequency band and are given in the relevant annexes UA to UC.
4.3.1.2 Equivalent Isotropically Radiated Power (EIRP)
The Equivalent Isotropically Radiated Power (EIRP) shall be limited to +B dBW. The values of B are dependent on
frequency band and are given in the relevant annexes UA to UC.
NOTE: This requirement is for assessment of equipment with integral antenna only
...
SLOVENSKI STANDARD
01-oktober-2008
)LNVQLUDGLMVNLVLVWHPL.DUDNWHULVWLNHLQ]DKWHYH]DRSUHPRWLSDWRþNDWRþNDLQ
DQWHQHGHO +DUPRQL]LUDQL(1NL]DMHPDELVWYHQH]DKWHYHþOHQDGLUHNWLYH
5 77(]DRSUHPRNLGHOXMHYIUHNYHQþQLKSDVRYLKNMHUVHL]YDMDSRHQRVWDYOMHQD
IUHNYHQþQDNRRUGLQDFLMDDOLVHIUHNYHQþQDNRRUGLQDFLMDQHL]YDMD
Fixed Radio Systems - Characteristics and requirements for point-to-point equipment
and antennas - Part 3: Harmonized EN covering essential requirements of article 3.2 of
R&TTE Directive for equipment operating in frequency bands where simplified or no
frequency co-ordination procedures are applied
Ta slovenski standard je istoveten z: EN 302 217-3 Version 1.2.1
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.
Harmonized European Standard (Telecommunications series)
Fixed Radio Systems;
Characteristics and requirements for
point-to-point equipment and antennas;
Part 3: Harmonized EN covering essential requirements
of article 3.2 of R&TTE Directive for equipment operating in
frequency bands where simplified or no frequency
co-ordination procedures are applied
2 ETSI EN 302 217-3 V1.2.1 (2008-02)
Reference
REN/ATTM-04001
Keywords
DFRS, digital, DRRS, FWA, point-to-point, radio,
regulation, transmission, antenna
ETSI
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ETSI
3 ETSI EN 302 217-3 V1.2.1 (2008-02)
Contents
Intellectual Property Rights.6
Foreword.6
Introduction .7
1 Scope.8
2 References.9
2.1 Normative references.9
2.2 Informative references.10
3 Definitions, symbols and abbreviations .11
3.1 Definitions.11
3.2 Symbols.11
3.3 Abbreviations.11
4 Technical requirements specifications .11
4.1 Environmental profile.11
4.2 RF-channel selection.11
4.2.1 RF-channel selection procedure.12
4.2.2 Interference avoidance requirements .12
4.2.2.1 Interference avoidance limit.12
4.2.3 Frequency agile automatic channel selection.12
4.3 Transmitter requirements.13
4.3.1 Transmitter power.13
4.3.1.1 Transmitter power.13
4.3.1.2 Equivalent Isotropically Radiated Power (EIRP).13
4.3.1.3 Output Power Tolerance .13
4.3.2 Radio Frequency (RF) spectrum mask.13
4.3.3 Spurious emissions.13
4.3.4 Radio frequency tolerance .14
4.3.5 Antenna directional requirements .14
4.3.5.1 Radiation Pattern Envelope (Off-axis EIRP density).14
4.3.5.2 Antenna gain.14
4.3.5.3 Antenna Cross-Polar Discrimination (XPD).14
4.4 Receiver requirements.15
4.4.1 Spurious emissions.15
5 Testing for compliance with technical requirements.15
5.1 Environmental conditions for testing .15
5.2 RF-channel selection.16
5.3 Essential radio test suites for the transmitter .16
5.3.1 Transmitter power.17
5.3.1.1 Transmitter power.17
5.3.1.2 Equivalent Isotropically Radiated Power (EIRP) and EIRP density mask.17
5.3.1.3 Output power tolerance .17
5.3.2 RF spectrum mask.17
5.3.3 Spurious emissions - external .17
5.3.4 Radio frequency tolerance .17
5.3.5 Antenna and system directional requirements .18
5.3.5.1 Radiation pattern envelope (Off-axis EIRP density).18
5.3.5.2 Antenna gain.18
5.3.5.3 Antenna Cross-Polar Discrimination (XPD).18
5.4 Essential radio test suites for the receiver .18
5.4.1 Spurious emissions.19
Annex A (normative): HS Requirements and conformance Test specifications Table (HS-
RTT).20
ETSI
4 ETSI EN 302 217-3 V1.2.1 (2008-02)
Annex B (normative): Wide radio-frequency band covering units and multirate equipment
specification and tests .22
B.1 Wide radio-frequency band covering units .22
B.2 Multirate/multiformat equipment .24
Annex UA (normative): Frequency bands around 58 GHz.25
UA.0 Introduction.25
UA.1 Digital systems .25
UA.1.1 Frequency bands and channel arrangements .25
UA.1.1.1 Frequency band.25
UA.1.1.2 Radio channel arrangements.25
UA.1.1.3 Transmission capacity.25
UA.1.2 Transmitter.25
UA.1.2.1 Transmitter power.25
UA.1.2.2 Equivalent Isotropically Radiated Power (EIRP) .26
UA.1.2.3 Output power tolerance.26
UA.1.2.4 RF spectrum masks.26
UA.1.2.4.1 Limits.26
UA.1.2.4.2 Spectrum analyser settings.27
UA.1.2.5 Spurious emissions-external.27
UA.1.2.6 Radio frequency tolerance .27
UA.1.2.7 RF-channel selection parameters .27
UA.1.3 Receiver.27
UA.2 Analogue systems.28
UA.2.1 Frequency bands and channel arrangements .28
UA.2.1.1 Frequency band.28
UA.2.1.2 Radio channel arrangements.28
UA.2.1.3 Transmission capacity.28
UA.2.2 Transmitter.28
UA.2.2.1 Transmitter power.28
UA.2.2.2 Equivalent Isotropically Radiated Power (EIRP) .28
UA.2.2.3 Output power tolerance.28
UA.2.2.4 RF spectrum masks.28
UA.2.2.5 Spurious emissions - external .28
UA.2.2.6 RF frequency tolerance.28
UA.2.3 Receiver requirements.29
UA.2.3.1 Spurious emissions.29
Annex UB (normative): Frequency band 64 GHz to 66 GHz .30
UB.0 Introduction.30
UB.1 Frequency bands and channel arrangements .30
UB.1.1 Frequency band.30
UB.1.2 Radio channel arrangements.30
UB.1.3 Spectral efficiency.31
UB.2 Transmitter.31
UB.2.1 Transmitter power and Equivalent Isotropically Radiated Power (EIRP).31
UB.2.2 Output power tolerance .33
UB.2.3 EIRP density masks.33
UB.2.3.1 Limits.33
UB.2.3.2 Spectrum analyser settings.34
UB.2.4 Spurious emissions.34
UB.2.5 Radio frequency tolerance.35
UB.2.6 RF-channel selection parameters.35
UB.2.7 Antenna gain.35
UB.3 Receiver.35
ETSI
5 ETSI EN 302 217-3 V1.2.1 (2008-02)
Annex UC (normative): Void .36
Annex UD (informative): Rationale for the interference limit formula .37
UD.1 Analysis of the quality value for the channel selection procedure .37
UD.1.1 Error-performance and availability requirements for Class A equipment.37
UD.1.1.1 Example in the 58 GHz band.37
UD.1.2 Theoretical background.37
UD.1.3 Typical co-channel interference situation when channel rejection threshold is used .38
UD.2 Protection capability of the RF-channel selection procedure.39
UD.3 Frequency agility criteria.40
Annex UE (informative): Capacity and Receiver characteristics in the band 64 GHz to 65 GHz.41
UE.1 Band 64 GHz to 65 GHz .41
UE.1.1 BER as a function of receiver input signal level (RSL) .41
UE.1.2 Co-channel and adjacent channel interference sensitivity.42
UE.1.3 CW spurious interference.42
Annex UF (informative): Bibliography.43
Annex UG (informative): The EN title in the official languages .44
History .46
ETSI
6 ETSI EN 302 217-3 V1.2.1 (2008-02)
Intellectual Property Rights
IPRs essential or potentially essential to the present document may have been declared to ETSI. The information
pertaining to these essential IPRs, if any, is publicly available for ETSI members and non-members, and can be found
in ETSI SR 000 314: "Intellectual Property Rights (IPRs); Essential, or potentially Essential, IPRs notified to ETSI in
respect of ETSI standards", which is available from the ETSI Secretariat. Latest updates are available on the ETSI Web
server (http://webapp.etsi.org/IPR/home.asp).
Pursuant to the ETSI IPR Policy, no investigation, including IPR searches, has been carried out by ETSI. No guarantee
can be given as to the existence of other IPRs not referenced in ETSI SR 000 314 (or the updates on the ETSI Web
server) which are, or may be, or may become, essential to the present document.
Foreword
This Harmonized European Standard (Telecommunications series) has been produced by ETSI Technical Committee
Access, Terminals, Transmission and Multiplexing(ATTM).
The present document has been produced by ETSI in response to a mandate from the European Commission issued
under Council Directive 98/34/EC (as amended) laying down a procedure for the provision of information in the field of
technical standards and regulations.
The present document is intended to become a Harmonized Standard, the reference of which will be published in the
Official Journal of the European Communities referencing the Directive 1999/5/EC [1] of the European Parliament and
of the Council of 9 March 1999 on radio equipment and telecommunications terminal equipment and the mutual
recognition of their conformity ("R&TTE Directive").
Technical specifications relevant to Directive 1999/5/EC [1] are given in annex A.
The present document is part 3 of a multi-part deliverable covering Fixed Radio Systems; Characteristics and
requirements for point-to-point equipment and antennas, as identified below:
Part 1: "Overview and system-independent common characteristics";
Part 2-1: "System-dependent requirements for digital systems operating in frequency bands where frequency
co-ordination is applied";
Part 2-2: "Harmonized EN covering essential requirements of Article 3.2 of R&TTE Directive for digital systems
operating in frequency bands where frequency co-ordination is applied";
Part 3: "Harmonized EN covering essential requirements of Article 3.2 of R&TTE Directive for equipment
operating in frequency bands where simplified or no frequency co-ordination procedures are
applied";
Part 4-1: "System-dependent requirements for antennas";
Part 4-2: "Harmonized EN covering essential requirements of Article 3.2 of R&TTE Directive for antennas".
National transposition dates
Date of adoption of this EN: 8 February 2008
Date of latest announcement of this EN (doa): 31 May 2008
Date of latest publication of new National Standard
or endorsement of this EN (dop/e): 30 November 2008
Date of withdrawal of any conflicting National Standard (dow): 30 November 2009
ETSI
7 ETSI EN 302 217-3 V1.2.1 (2008-02)
Introduction
The EN 302 217 series has been produced in order to rationalize a large number of previous ETSI ENs dealing with
equipment and antennas for Point-to-Point (P-P) Fixed Service applications. For more details, see foreword in the
EN 302 217-1 [7].
The present document is part of a set of standards developed by ETSI and is designed to fit in a modular structure to
cover all radio and telecommunications terminal equipment within the scope of the R&TTE Directive [1]. The modular
structure is described in EG 201 399 and shown in figure 1.
3.3f
3.3e Emergency*
3.3d Fraud*
3.3c Privacy*
3.3b
No harm to the network*
* If needed a
Scope by
Inter-working via the network*
equipement
3.3a
class or type
Inter-working with the network*
3.2 Use of Spectrum
Spectrum
New radio harmonized standards
Scoped by frequency and/or equipment type
Radio Product EMC
3.1b
EN 301 489 multi-part EMC standard
EMC
Generic and product standards also notified under EMC Directive
Standards covering Human Exposure to Electromagnetic Fields
relating to individual productcs
3.1a
New standards for acoustic safety
Safety
Standards also notified under LV Directive
Non-radio Radio (RE)
Non TTE
TTE
Legend:
Scope ot the present document: Any Point-to-point DFRS and
antennas in all frequency bands
Figure 1: Modular structure for the various standards used under the R&TTE Directive
NOTE: For article 3.1b the diagram shows EN 301 489 [16], the multi-part product EMC standard for radio used
under the EMC Directive 89/336/EEC [17]. For Fixed Radio Systems EN, EN 301 489-1 [18] and
EN 301 489-4 [19] are relevant.
ETSI
8 ETSI EN 302 217-3 V1.2.1 (2008-02)
1 Scope
The present document specifies the essential requirements for point-to-point Digital Fixed Radio Systems (DFRS)
operating in higher frequency bands, which might not require detailed link-by-link co-ordinated frequency planning;
this imply either no co-ordination at all (i.e. the band usage is free and the user is responsible for detecting a suitable
interference-free operating frequency) or simplified co-ordination procedures implying the knowledge of existing links
(e.g. through a public national database) so that the impact of a possible new link could be evaluated on the basis of
budgetary considerations of typical equipment receiver parameters (which will not be considered related to essential
requirements of art 3.2 R&TTE Directive [1]). It is intended to cover the provisions of Directive 1999/5/EC [1]
(R&TTE Directive) regarding article 3.2, which states that "… radio equipment shall be so constructed that it
effectively uses the spectrum allocated to terrestrial/space radio communications and orbital resources so as to avoid
harmful interference".
The EN 302 217 series introduces requirements for systems (equipment and antennas) that were formerly covered by
EN 301 751 [20] and that are technically equivalent or less stringent requirements. Therefore, from a strictly technical
point of view, it is expected that equipment already conforming to the previous EN 301 751 [20] or previous versions of
the present harmonized standard, would not need a new test report for re-assessment of essential requirements according
this new multi-part deliverable; however, legal implications with respect to the declaration of conformity and equipment
labelling are not in the scope of the present document.
In addition to the present document, other ENs that specify technical requirements in respect of essential requirements
under other parts of article 3 of the R&TTE Directive [1] will apply to equipment within the scope of the present
document.
NOTE: A list of such ENs is included on the web site http://www.newapproach.org/.
In order to technically cover different market and network requirements, with an appropriate balance of performance to
cost and effective and appropriate use of the radio spectrum, the present document, together with EN 302 217-4-2 [8],
offers system types and antennas alternatives, for selection by administrations, operators and manufacturers dependent
on the desired use of the radio spectrum and network/market requirements, those options include:
• channel separation alternatives (as provided by the relevant CEPT Recommendation);
• implemented procedure for free radio channel selection;
• antenna directivity class alternatives (for different network density requirement).
The present document is mainly intended to cover fixed radio equipment without integral antennas. However, it also
applies to fixed radio systems products with integral antennas, for which all the technical requirements included in the
present document and in EN 302 217-4-2 [8] apply. For more background information on the equipment and antenna
parameters here identified as relevant to article 3.2 of R&TTE Directive see EG 201 399 [15] and TR 101 506 [21] .
For example, the frequency band 58 GHz is proposed to be used by various technologies for uncoordinated use of the
band. Besides the RF-channel selection procedure, specified in clause 4.2 to avoid unacceptable interference situations,
this band also benefits from the high and stable atmospheric attenuation which suppresses efficiently distant interferers
(about 10 dB/km to 15 dB/km at sea level, refer to ITU-R Recommendation P.676 [22] .
For the purposes of the present document two equipment Classes are specified depending on the network requirements:
• Class A: Digital equipment which apply the automatic RF-channel selection procedure (see clause 4.2) for
interference avoidance and error performance enhancement.
• Class B: Equipment without automatic RF-channel selection procedure.
Typical applications for Class A equipment are interconnection between cellular networks where, in some cases, there
is a need for short length connections (up to about 500 m). The RF channel selection procedure shall be used to protect
existing systems from a new system being commissioned. However, the channel selection procedure may not guarantee
interference free installation or operation in all cases, due to limitations in the procedure with respect to the variety of
systems.
Typical applications for Class B equipment are:
• private connections, such as video surveillance systems in 58 GHz band;
ETSI
9 ETSI EN 302 217-3 V1.2.1 (2008-02)
• very high capacity (of Gigabit/s order or more) over relatively short links (up to around 2 km) in 65 GHz band
(e.g. for connecting large data servers).
2 References
References are either specific (identified by date of publication and/or edition number or version number) or
non-specific.
• For a specific reference, subsequent revisions do not apply.
• Non-specific reference may be made only to a complete document or a part thereof and only in the following
cases:
- if it is accepted that it will be possible to use all future changes of the referenced document for the
purposes of the referring document;
- for informative references.
Referenced documents which are not found to be publicly available in the expected location might be found at
http://docbox.etsi.org/Reference.
For online referenced documents, information sufficient to identify and locate the source shall be provided. Preferably,
the primary source of the referenced document should be cited, in order to ensure traceability. Furthermore, the
reference should, as far as possible, remain valid for the expected life of the document. The reference shall include the
method of access to the referenced document and the full network address, with the same punctuation and use of upper
case and lower case letters.
NOTE: While any hyperlinks included in this clause were valid at the time of publication ETSI cannot guarantee
their long term validity.
2.1 Normative references
The following referenced documents are indispensable for the application of the present document. For dated
references, only the edition cited applies. For non-specific references, the latest edition of the referenced document
(including any amendments) applies.
[1] Directive 1999/5/EC of the European Parliament and of the Council of 9 March 1999 on radio
equipment and telecommunications terminal equipment and the mutual recognition of their
conformity (R&TTE Directive).
[2] CEPT/ERC/REC 74-01 (2005): "Unwanted emissions in the spurious domain".
[3] CEPT/ERC/REC 12-09 (2004): "Radio frequency channel arrangement for Fixed Service systems
operating in the band 57,0 - 59,0 GHz which do not require frequency planning".
[4] CEPT/ECC/REC/(05)02 (2005): "Use of the 64,0 - 66,0 GHz frequency band for Fixed Service".
[5] ETSI EN 301 126-1 (V1.1.2): "Fixed Radio Systems; Conformance testing; Part 1: Point-to-Point
equipment - Definitions, general requirements and test procedures".
[6] ETSI EN 301 126-3-1 (V1.1.1): "Fixed Radio Systems; Conformance testing; Part 3-1: Point-to-
Point antennas; Definitions, general requirements and test procedures".
[7] ETSI EN 302 217-1 (V1.2.1): "Fixed Radio Systems; Characteristics and requirements for point-
to-point equipment and antennas; Part 1: Overview and system-independent common
characteristics".
[8] ETSI EN 302 217-4-2 (V1.3.1): "Fixed Radio Systems; Characteristics and requirements for point-
to-point equipment and antennas; Part 4-2: Harmonized EN covering essential requirements of
Article 3.2 of R&TTE Directive for antennas".
ETSI
10 ETSI EN 302 217-3 V1.2.1 (2008-02)
[9] IEEE 1802.3 (2001): "IEEE Conformance Test Methodology for IEEE Standards for Local and
Metropolitan Area Networks-Specific Requirements-Part 3: Carrier Sense Multiple Access with
Collision Detection (CSMA/CD) Access Method and Physical Layer Specifications".
[10] IEEE 802.3 (2002): "Information technology - Telecommunications and information exchange
between systems - Local and metropolitan area networks - Specific requirements - Part 3: Carrier
Sense Multiple Access with Collision Detection (CSMA/CD) access method and physical layer
specifications".
[11] ITU-R Recommendation SM.1539 (2002): "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".
[12] ITU-T Recommendation O.151 and Corrigendum 1 (2002): "Error performance measuring
equipment operating at the primary rate and above".
[13] ITU-T Recommendation O.181 (2002): "Equipment to assess error performance on STM-N
interfaces".
[14] ITU-T Recommendation O.191 (2000): "Equipment to measure the cell transfer performance of
ATM connections".
2.2 Informative references
[15] ETSI EG 201 399: "Electromagnetic compatibility and Radio spectrum Matters (ERM); A guide to
the production of candidate Harmonized Standards for application under the R&TTE Directive".
[16] ETSI EN 301 489 (All parts): "Electromagnetic compatibility and Radio spectrum Matters (ERM);
ElectroMagnetic Compatibility (EMC) standard for radio equipment and services".
[17] EMC Directive 89/336/EEC: "Council Directive of 3 May 1989 on the approximation of the laws
of the Member States relating to electromagnetic compatibility".
[18] ETSI EN 301 489-1: "Electromagnetic compatibility and Radio spectrum Matters (ERM);
ElectroMagnetic Compatibility (EMC) standard for radio equipment and services; Part 1:
Common technical requirements".
[19] ETSI EN 301 489-4: "Electromagnetic compatibility and Radio spectrum Matters (ERM);
ElectroMagnetic Compatibility (EMC) standard for radio equipment and services; Part 4: Specific
conditions for fixed radio links and ancillary equipment and services".
[20] ETSI EN 301 751 (V1.2.1): "Fixed Radio Systems; Point-to-Point equipments and antennas;
Generic harmonized standard for Point-to-Point digital fixed radio systems and antennas covering
the essential requirements under article 3.2 of the 1999/5/EC Directive".
[21] ETSI TR 101 506: "Fixed Radio Systems; Generic definitions, terminology and applicability of
essential requirements under the article 3.2 of 99/05/EC Directive to Fixed Radio Systems".
[22] ITU-R Recommendation P.676: "Attenuation by atmospheric gases".
[23] ITU-R Recommendation F.1191: "Bandwidths and unwanted emissions of digital radio-relay
systems".
[24] ETSI EN 302 217-2-1: "Fixed Radio Systems; Characteristics and requirements for point-to-point
equipment and antennas; Part 2-1: System-dependent requirements for digital systems operating in
frequency bands where frequency co-ordination is applied".
[25] ETSI EN 302 217-2-2: "Fixed Radio Systems; Characteristics and requirements for point-to-point
equipment and antennas; Part 2-2: Harmonized EN covering essential requirements of Article 3.2
of R&TTE Directive for digital systems operating in frequency bands where frequency co-
ordination is applied".
[26] ITU-R Recommendation F.1497: "Radio-frequency channel arrangements for fixed wireless
systems operating in the band 55.78-59 GHz".
ETSI
11 ETSI EN 302 217-3 V1.2.1 (2008-02)
[27] ITU-R Recommendation F.1101: "Characteristics of digital fixed wireless systems below about 17
GHz".
[28] ETSI EN 301 390 (V1.2.1): "Fixed Radio Systems; Point-to-point and Multipoint Systems;
Spurious emissions and receiver immunity limits at equipment/antenna port of Digital Fixed Radio
Systems".
[29] ITU Radio Regulations (2004).
3 Definitions, symbols and abbreviations
3.1 Definitions
For the purposes of the present document, the terms and definitions given in EN 302 217-1 [7] apply.
3.2 Symbols
For the purposes of the present document, the symbols given in EN 302 217-1 [7] apply.
3.3 Abbreviations
For the purposes of the present document, the abbreviations given in EN 302 217-1 [7] apply.
4 Technical requirements specifications
Guidance and description of the phenomena relevant to "essential requirements" under article 3.2 is given in
EG 201 399 [15]; specific applications and descriptions for DFRS is given in TR 101 506 [21] .
In the following clauses, limits are required to be met at specific reference points of the system block diagram.
Reference points and the system block diagram are those set out in figure 1 of EN 302 217-1 [7].
In the case of wide radio-frequency bands covering units and multirate/multiformat equipment, these specifications
shall be met at any frequency and at any rate/format. However the tests, required for generating a test report and/or
declaration of conformity, in order to fulfil any conformity assessment procedure with respect to the
R&TTE Directive [1], shall be carried-out in accordance with the principles set out in annex B.
Testing methods and conditions for assessing all requirements are specified in clause 5, where each clause directly
refers to corresponding clause in this clause.
4.1 Environmental profile
The required environmental profile for operation of the equipment shall be declared by the supplier. The equipment
shall comply with all the technical requirements of the present document at all times when operating within the
boundary limits of the required operational environmental profile.
For testing the compliance with technical requirements see also EN 301 126-1 [5] and clause 5 of the present document.
NOTE: With the generic term of environmental profile, it is here intended any variation of the "external"
conditions (e.g. climatic and external primary/secondary power supply sources feeding the equipment to
be assessed) that might affect the system parameter relevant to the "essential requirements" of article 3.2
of the R&TTE Directive [1].
4.2 RF-channel selection
RF-channel selection procedure is mandatory for Class A equipment only.
ETSI
12 ETSI EN 302 217-3 V1.2.1 (2008-02)
4.2.1 RF-channel selection procedure
The purpose of the RF-channel selection procedure is to detect and protect existing transmissions in order to avoid
unacceptable interference situations.
At both transmission sites, radio-relay terminals shall measure during installation, the interference levels of both receive
and transmit channels (see note). Only in the instance when an unoccupied channel is identified and selected as the
transmission channel shall the transmit power be switched on. The interference avoidance requirements for the receiver
to detect occupied channels are specified in clause 4.2.2.
The principle of protecting existing transmission shall be respected also during the antenna alignment procedure.
NOTE: If the national regulatory rules allow to change the frequency of the link during its operation, it may be
considered, in order to decrease the possibility of undetected interference, to apply the RF channel
selection procedure whenever appropriate (e.g. when restoring a link after a failure or by suitable
automatic timed routine in conjunction with frequency agility as in clause 4.2.3).
4.2.2 Interference avoidance requirements
4.2.2.1 Interference avoidance limit
The radio relay terminal shall consider the radio channel occupied when the level of the interference is above the
following limit:
• Pi > C dBm + 10 log (BW/10 MHz).
Where:
• BW is the noise bandwidth of the receiver expressed in MHz.
• Pi is the interference power expressed in dBm measured within the receiver noise bandwidth (BW).
The value C is dependent on frequency band and is given in the relevant annexes UA to UC.
For the rationale of the interference limit formula see annex UD.
For test purpose this requirement shall be fulfilled at reference point C within the intended band of transmission:
• with a signal similar to the transmitted one;
• with a CW signal at any frequency within this band.
The value of the intended band of transmission shall be declared by the supplier.
4.2.3 Frequency agile automatic channel selection
Frequency agility is an optional feature.
If unacceptable interference which exceeds a predetermined duration is observed, an automatic change of RF-channel
can be initiated using the RF-channel selection procedure described above. If an automatic RF-channel change facility
is implemented a means shall be provided to disable it. Unacceptable interference criteria shall be declared by the
supplier (see clause UD.3).
ETSI
13 ETSI EN 302 217-3 V1.2.1 (2008-02)
4.3 Transmitter requirements
The specified transmitter characteristics shall be met with the appropriate base band signals applied at one of the
reference points X' of figure 1 of EN 302 217-1 [7].
The appropriate base band signals for most common digital int
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