ETSI EN 302 326-2 V2.2.0 (2025-12)

Fixed Radio Systems; Multipoint Equipment and Antennas; Part 2: Harmonised Standard for access to radio spectrum

REN/ATTM-0461

General Information

• Status: Not Published
• Technical Committee: ATTM TM4 - Fixed Radio Systems

Standards Content (Sample)

Draft ETSI EN 302 326-2 V2.2.0 (2025-12)

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 V2.2.0 (2025-12)

Reference
REN/ATTM-0461
Keywords
access, DFRS, DRRS, FWA, multipoint, radio,
system
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ETSI
3 Draft ETSI EN 302 326-2 V2.2.0 (2025-12)
Contents
Intellectual Property Rights . 7
Foreword . 7
Modal verbs terminology . 8
Introduction . 8
1 Scope . 10
2 References . 11
2.1 Normative references . 11
2.2 Informative references . 11
3 Definition of terms, symbols and abbreviations . 13
3.1 Terms . 13
3.2 Symbols . 17
3.3 Abbreviations . 18
4 Framework for requirements . 20
4.1 Applicability of requirements . 20
4.1.0 Requirement selection . 20
4.1.1 Generality . 20
4.1.2 The Equipment Classification (EqC) . 20
4.1.3 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 conformance requirements . 23
5.3.1 General requirements . 23
5.3.2 Transmitter output power . 23
5.3.2.1 General . 23
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 stability . 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 conformance 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 . 30
5.4.3.3 Performance with maximum system loading (EqC-PET = D only) . 32
5.4.3.4 Receiver Dynamic range . 32
5.4.4 Receiver selectivity . 33
5.4.4.0 Introduction . 33
5.4.4.1 Receiver co-channel interference sensitivity . 33
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4 Draft ETSI EN 302 326-2 V2.2.0 (2025-12)
5.4.4.2 Receiver first adjacent channel interference sensitivity . 35
5.4.4.3 Receiver blocking (CW spurious interference sensitivity) . 37
5.4.4.4 Receiver radio-frequency intermodulation and Receiver second adjacent channel interference
sensitivity . 38
5.4.4.4.1 Requirement background . 38
5.4.4.4.2 Requirement limit . 38
6 Testing for compliance with technical requirements . 39
6.1 General . 39
6.2 Environmental conditions for testing . 39
6.2.1 Generality . 39
6.2.2 Minimum profile for indoor use . 39
6.2.3 Minimum profile for outdoor use . 40
6.3 Transmitter requirements . 40
6.3.1 General . 40
6.3.1.1 Summary table for transmitter test conditions . 40
6.3.1.2 Spectrum analyser settings . 42
6.3.2 Transmitter output power . 42
6.3.2.1 General . 42
6.3.2.2 Transmitter maximum power and EIRP . 42
6.3.2.3 Transmitter output power environmental variation . 43
6.3.3 Transmitter Radio Frequency stability . 43
6.3.4 Transmitter Radio Frequency spectrum mask and emissions . 43
6.3.4.1 Transmitter Radio Frequency spectrum mask . 43
6.3.4.2 Transmitter Discrete CW components exceeding the transmitter Radio Frequency spectrum mask
limit . 44
6.3.5 Transmitter unwanted emissions in the spurious domain . 44
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) . 45
6.3.6.3 Remote Transmitter Power Control (RTPC) . 45
6.3.7 Transmitter Remote Frequency Control (RFC) . 46
6.3.8 Transmitter dynamic Change of Modulation Order . 46
6.4 Receiver conformance requirements . 46
6.4.1 General . 46
6.4.2 Receiver unwanted emissions in the spurious domain . 48
6.4.3 BER as a function of Receiver input Signal Level (RSL). 48
6.4.3.1 General . 48
6.4.3.2 Single signal performance . 48
6.4.3.3 Performance at maximum system loading (EqC-PET = D only) . 48
6.4.3.4 Receiver dynamic range . 48
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 . 49
6.4.4.3 Receiver blocking (CW spurious interference sensitivity) . 49
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 . 51
Annex B (normative): Test report in relation to flexible systems applications . 53
B.1 Wide radio-frequency band covering units specification and tests . 53
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
C.2.2 Primary Equipment Type (EqC-PET) . 57
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5 Draft ETSI EN 302 326-2 V2.2.0 (2025-12)
C.2.3 Secondary Equipment Type (EqC-SET) . 57
C.2.4 Equivalent Modulation Order (EqC-EMO) . 58
C.2.5 Channel Separation (EqC-ChS) . 58
C.2.6 Frequency Range (EqC-FR) . 59
C.2.7 Station Type (EqC-STN) . 59
C.3 System capacity . 59
C.3.1 General . 59
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 Summary of Equipment Profiles in the scope of pr esent document . 61
Annex D (informative): Transmitter Radio Frequency Spectrum mask background for
ATPC and/or RTPC implementation. 64
D.0 Introduction . 64
D.1 ATPC impact . 64
D.2 RTPC Impact . 65
Annex E (informative): Overview of technology features of multipoint systems . 66
E.1 General . 66
E.2 Network topology . 66
E.3 Multiplexing methods. 66
E.4 Multiple access methods . 67
E.5 Duplex methods . 67
E.6 Modulation methods . 68
E.6.1 Modulation techniques . 68
E.6.2 Equivalent Modulation Order (EMO) . 68
E.7 Error correction . 69
E.8 Other relevant system characteristics . 69
Annex F (informative): Frequency bands . 70
F.1 Frequency ranges . 70
F.2 Frequency ranges CEPT applications . 71
Annex G (informative): Summary Table of EqC codes subject to the conformance assessment . 73
G.1 The right to copy . 73
Annex H (informative): System architecture . 74
H.1 General architecture . 74
H.2 Point-to-MultiPoint (P-MP) architectures . 74
H.3 Mesh (or MP-MP) architectures . 76
Annex I (informative): Mixed-mode operation . 77
I.1 Introduction . 77
I.2 General description of mixed-mode systems. 77
I.3 Background for transmitter and receiver requirements operating in mixed-mode . 77
I.3.1 Requirements summary . 77
I.3.2 Transmitter Radio Frequency spectrum masks for mixed-mode systems . 77
I.3.3 Receiver adjacent channel interference sensitivity . 79
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6 Draft ETSI EN 302 326-2 V2.2.0 (2025-12)
I.3.4 Receiver co-channel interference sensitivity . 79
Annex J (informative): Antennas . 80
J.1 Antenna generality . 80
J.2 Antenna profiles . 80
Annex K (informative): Typical reference model for BER, MGBR and EMO . 81
K.1 General . 81
K.2 Interface X' to X' . 82
1 N
K.3 Payload processing block . 82
K.4 Multiple access block . 83
K.5 Outer error correcting block . 83
K.6 Inner error correcting block . 83
K.7 Modulator . 84
K.8 Choice of reference point for BER, MGBR and EMO . 84
K.9 Examples . 84
K.9.1 16 QAM TDMA system with 3/4 rate convolutional coding . 84
K.9.2 16 QAM TDMA system with 1/2 rate convolutional coding and 204/188 Reed Solomon coding . 85
K.9.3 16 QAM TDMA system with 1/2 rate turbo coding . 85
K.9.4 16 QAM FDMA system with 1/2 rate convolutional coding . 85
Annex L (informative): Test interpretation and measurement uncertainty . 86
Annex M (informative): Bibliography . 87
Annex N (informative): Change history . 88
History . 89

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7 Draft ETSI EN 302 326-2 V2.2.0 (2025-12)
Intellectual Property Rights
Essential patents
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Pursuant to the ETSI Directives including the ETSI IPR Policy, no investigation regarding the essentiality of IPRs,
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referenced in ETSI SR 000 314 (or the updates on the ETSI Web server) which are, or may be, or may become,
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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 Standardisation Request deliverable Approval Procedure (SRdAP).
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.
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8 Draft ETSI EN 302 326-2 V2.2.0 (2025-12)
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
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 that can support simultaneously access and
infrastructure applications). The topology of the systems may be Point-to-MultiPoint (P-MP), or
MultiPoint-to-MultiPoint (MP-MP), known as "Mesh".
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.).
The applicability of the present document to MP equipment is governed by a unique Equipment Classification (EqC)
coherent set, as specified in annex C.
Based on this Equipment Classification, the appropriate clauses of the present document should be applied.
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 codes subject to the conformance assessment
• 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
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9 Draft ETSI EN 302 326-2 V2.2.0 (2025-12)
• Annex M (informative): Bibliography
• Annex N (informative): Change history

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10 Draft ETSI EN 302 326-2 V2.2.0 (2025-12)
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) designed for use in the following sub-ranges (see
note 2):
• 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.
NOTE 2: For more information on the applicable frequency bands, refer to Annex F.
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.
Equipment are classified according to one set of Equipment Classification (EqC) (summarized in clause C.4). The EqC
set of the equipment under assessment is indicated in the technical documentation (see note 3).
Equipment not fitting any of the set of EqC provided by Annex C are not in the scope of the present document.
NOTE 3: See definition in clause 3.2.
Equipment providing undetachable antennas or providing active antennas (eventually requiring radiated test
procedures) are not in the scope of the present document (see note 4).
NOTE 4: Rationale is that even if 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]), the essential equipment parameters
are defined at antenna port and their radiated test procedures are not available.
For information, the most common types of antennas are standardized in Part 3 of this multi-part
deliverable [i.2].
Systems referring to an EqC with "H" code (see clause C.2.2) as Primary Equipment Classification (PET),
implementing an actual FH-CDMA access method with frequency hopping period exceeding 400 ms, are not considered
within the scope of the present document.
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 not considered in the scope of the
present document.
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11 Draft ETSI EN 302 326-2 V2.2.0 (2025-12)
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 in the
ETSI docbox.
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 (2021): "Unwanted emissions in the spurious domain".
[2] ETSI EN 301 390 (V2.1.1) (11-2021): "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".
[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.
ETSI
12 Draft ETSI EN 302 326-2 V2.2.0 (2025-12)
The following referenced documents may be useful in implementing an ETSI deliverable or add to the reader's
understanding, but are not required for conformance to the present document.
[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 (2024).
[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".
[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 025: "The European table of frequency allocations and applications in the frequency
range 8.3 kHz to 3000 GHz".
NOTE: This Report is also known as ECA (European Common Allocation) Table and is also available integrated
in the EFIS (ECO Frequency Information System).
[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(11)01: "Guidelines for assignment of frequency blocks for fixed wir
...