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TECHNICAL SPECIFICATION
Digital cellular telecommunications system (Phase 2+) (GSM);
Base Station System (BSS) equipment specification;
Radio aspects
(3GPP TS 51.021 version 15.1.0 Release 15)
R
GLOBAL SYSTEM FOR
MOBILE COMMUNICATIONS
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3GPP TS 51.021 version 15.1.0 Release 15 1 ETSI TS 151 021 V15.1.0 (2018-10)
Reference
RTS/TSGR-0651021vf10
Keywords
GSM
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3GPP TS 51.021 version 15.1.0 Release 15 2 ETSI TS 151 021 V15.1.0 (2018-10)
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.
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Foreword
This Technical Specification (TS) has been produced by ETSI 3rd Generation Partnership Project (3GPP).
The present document may refer to technical specifications or reports using their 3GPP identities, UMTS identities or
GSM identities. These should be interpreted as being references to the corresponding ETSI deliverables.
The cross reference between GSM, UMTS, 3GPP and ETSI identities can be found under
.
Modal verbs terminology
In the present document "shall", "shall not", "should", "should not", "may", "need not", "will", "will not", "can" and
"cannot" are to be interpreted as described in clause 3.2 of the ETSI Drafting Rules (Verbal forms for the expression of
provisions).
"must" and "must not" are NOT allowed in ETSI deliverables except when used in direct citation.
ETSI
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3GPP TS 51.021 version 15.1.0 Release 15 3 ETSI TS 151 021 V15.1.0 (2018-10)
Contents
Intellectual Property Rights . 2
Foreword . 2
Modal verbs terminology . 2
Foreword . 9
1 Scope . 10
2 References . 10
3 Definitions, abbreviations, frequency bands and channels. 12
3.1 Definitions . 12
3.2 Abbreviations . 14
3.3 Frequency bands and channels . 15
3.3.1 Frequency bands . 15
3.3.2 Channels and channel numbering . 15
4 General test conditions and declarations . 16
4.1 Output power and determination of power class . 16
4.2 Specified frequency range . 17
4.3 Frequency hopping . 17
4.4 RF power control . 18
4.5 Downlink discontinuous transmission (DTX) . 18
4.6 Test environments . 18
4.6.1 Normal test environment . 18
4.6.2 Extreme test environment . 19
4.6.2.1 Extreme temperature . 19
4.6.3 Vibration . 19
4.6.4 Power supply . 19
4.7 Acceptable uncertainty of measurement equipment . 20
4.8 Interpretation of measurement results . 24
4.9 Selection of configurations for testing. 24
4.10 BTS Configurations . 24
4.10.1 Receiver diversity . 25
4.10.2 Duplexers . 25
4.10.3 Power supply options . 25
4.10.4 Ancillary RF amplifiers . 25
4.10.5 BSS using antenna arrays . 26
4.10.6 BTS supporting 8-PSK modulation . 27
4.10.7 BTS supporting additional modulations in EGPRS2 . 27
4.10.8 Supported Symbol Rate . 27
4.10.9 Support of RTTI and/or FANR . 27
4.10.10 Multicarrier BTS . 27
4.10.11 Support of EC-GSM-IoT . 28
4.10.12 Support of Multilateration . 29
5 Format and interpretation of tests . 29
6 Transmitter . 30
6.1 Static Layer 1 functions . 30
6.1.1 Test purpose . 30
6.1.2 Test case . 31
6.1.3 Void . 31
6.1.4 Conformance requirement . 31
6.1.5 Requirement reference . 31
6.2 Modulation accuracy . 31
6.2.1 Test purpose . 31
6.2.2 Test case . 31
6.2.3 Void . 32
6.2.4 Conformance requirement . 32
ETSI
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3GPP TS 51.021 version 15.1.0 Release 15 4 ETSI TS 151 021 V15.1.0 (2018-10)
6.2.5 Requirement reference . 34
6.3 Mean transmitted RF carrier power and equivalent combined power . 34
6.3.1 Test purpose . 34
6.3.2 Test case . 34
6.3.3 Void . 36
6.3.4 Conformance requirement . 36
6.3.5 Requirement reference . 37
6.4 Transmitted RF carrier power versus time . 37
6.4.1 Test purpose . 37
6.4.2 Test case . 37
6.4.3 Void . 38
6.4.4 Conformance requirement . 38
6.4.5 Requirement reference . 42
6.5 Adjacent channel power . 42
6.5.1 Spectrum due to modulation and wideband noise. 43
6.5.1.1 Test purpose . 43
6.5.1.2 Test case . 43
6.5.1.3 Void. 43
6.5.1.4 Conformance requirement . 44
6.5.1.4.1 Normal BTS Minmimum requirement . 44
6.5.1.4.2 Multicarrier BTS Minimum requirement . 44
6.5.1.4.3 Micro and Pico-BTS Minimum requirement . 45
6.5.1.5 Requirement reference . 46
6.5.2 Switching transients spectrum . 46
6.5.2.1 Test purpose . 46
6.5.2.2 Test case . 46
6.5.2.3 Void. 48
6.5.2.4 Conformance requirement . 48
6.5.2.5 Requirement reference . 48
6.6 Spurious emissions from the transmitter antenna connector . 48
6.6.1 Conducted spurious emissions from the transmitter antenna connector, inside the BTS transmit band . 48
6.6.1.1 Test Purpose . 48
6.6.1.2 Test Case . 48
6.6.1.3 Void. 49
6.6.1.4 Conformance requirement . 49
6.6.1.5 Requirement Reference . 49
6.6.2 Conducted spurious emissions from the transmitter antenna connector, outside the BTS transmit
band . 49
6.6.2.1 Applicability (Phase 2) . 49
6.6.2.1.1 Test Purpose . 49
6.6.2.1.2 Test Case . 49
6.6.2.1.3 Void . 50
6.6.2.1.4 Conformance requirement . 50
6.6.2.1.5 Requirement Reference . 51
6.6.2.2 Applicability (Phase 2+) . 51
6.6.2.2.1 Test Purpose . 51
6.6.2.2.2 Test Case . 51
6.6.2.2.3 Void . 52
6.6.2.2.4 Conformance requirement . 52
6.6.2.2.5 Requirement Reference . 53
6.6.2.3 Applicability (Release 1999 and later releases GSM 400, GSM 900 and DCS 1800) . 53
6.6.2.3.1 Test Purpose . 53
6.6.2.3.2 Test Case . 53
6.6.2.3.3 Void . 54
6.6.2.3.4 Conformance requirement . 54
6.6.2.3.5 Requirement Reference . 54
6.6.2.4 Applicability (Release 4 and later releases GSM 700, GSM 850 and PCS 1900) . 54
6.6.2.4.1 Test Purpose . 54
6.6.2.4.2 Test Case . 54
6.6.2.4.3 Void . 55
6.6.2.4.4 Conformance requirement . 55
6.6.2.4.5 Requirement Reference . 55
ETSI
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3GPP TS 51.021 version 15.1.0 Release 15 5 ETSI TS 151 021 V15.1.0 (2018-10)
6.6.2.5 Applicability (Release 7 and later releases GSM 400, T-GSM 810, GSM 900 and DCS 1800) . 55
6.6.2.5.1 Test Purpose . 55
6.6.2.5.2 Test Case . 56
6.6.2.5.3 Void . 57
6.6.2.5.4 Conformance requirement . 57
6.6.2.5.5 Requirement Reference . 57
6.6.2.5a Applicability (Release 7 and later releases GSM 700, GSM 850 and PCS 1900) . 57
6.6.2.5a.1 Test Purpose . 58
6.6.2.5a.2 Test Case . 58
6.6.2.5a.3 Void . 58
6.6.2.5a.4 Conformance requirement . 58
6.6.2.5a.5 Requirement Reference . 59
6.6.2.6 Applicability (Release 8 and later releases GSM 400, T-GSM 810, GSM 900 and DCS 1800) . 59
6.6.2.6.1 Test Purpose . 59
6.6.2.6.2 Test Case . 59
6.6.2.6.3 Void . 60
6.6.2.6.4 Conformance requirement . 60
6.6.2.6.5 Requirement Reference . 61
6.6.2.7 Applicability (Release 8 and later releases GSM 700, GSM 850 and PCS 1900) . 61
6.6.2.7.1 Test Purpose . 62
6.6.2.7.2 Test Case . 62
6.6.2.7.3 Void . 63
6.6.2.7.4 Conformance requirement . 63
6.6.2.7.5 Requirement Reference . 64
6.6.2.8 Applicability (Release 8 and later releases GSM 400, GSM 900 and DCS 1800) . 64
6.6.2.8.1 Test Purpose . 64
6.6.2.8.2 Test Case . 65
6.6.2.8.3 Void . 66
6.6.2.8.4 Complete conformance . 66
6.6.2.8.5 Requirement Reference . 66
6.6.2.9 Applicability (Release 12 and later releases GSM 400, T-GSM 810, GSM 900, ER-GSM 900
and DCS 1800) . 66
6.6.2.9.1 Test Purpose . 66
6.6.2.9.2 Test Case . 66
6.6.2.9.3 Void . 67
6.6.2.9.4 Conformance requirement . 68
6.6.2.9.5 Requirement Reference . 68
6.6.2.10 Applicability (Release 12 and later releases GSM 400, T-GSM 810, GSM 900 and DCS 1800) . 68
6.6.2.10.1 Test Purpose . 68
6.6.2.10.2 Test Case . 69
6.6.2.10.3 Void . 70
6.6.2.10.4 Conformance requirement . 70
6.6.2.10.5 Requirement Reference . 71
6.6.2.11 Applica
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