ETSI TS 145 003 V13.5.0 (2019-05)

ETSI TS 145 003 V13.5.0 (2019-05)






TECHNICAL SPECIFICATION
Digital cellular telecommunications system (Phase 2+) (GSM);
GSM/EDGE Channel coding
(3GPP TS 45.003 version 13.5.0 Release 13)

R
GLOBAL SYSTEM FOR
MOBILE COMMUNICATIONS

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3GPP TS 45.003 version 13.5.0 Release 13 1 ETSI TS 145 003 V13.5.0 (2019-05)



Reference
RTS/TSGR-0645003vd50
Keywords
GSM
ETSI
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3GPP TS 45.003 version 13.5.0 Release 13 2 ETSI TS 145 003 V13.5.0 (2019-05)
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 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
http://webapp.etsi.org/key/queryform.asp.
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 45.003 version 13.5.0 Release 13 3 ETSI TS 145 003 V13.5.0 (2019-05)
Contents
Intellectual Property Rights . 2
Foreword . 2
Modal verbs terminology . 2
Foreword . 18
1 Scope . 19
1.1 References . 19
1.2 Abbreviations . 20
2 General . 20
2.1 General organization . 20
2.2 Naming Convention . 40
3 Traffic Channels (TCH) . 42
3.1 Speech channel at full rate (TCH/FS and TCH/EFS) . 42
3.1.1 Preliminary channel coding for EFR only . 43
3.1.1.1 CRC calculation . 43
3.1.1.2 Repetition bits . 43
3.1.1.3 Correspondence between input and output of preliminary channel coding. 43
3.1.2 Channel coding for FR and EFR . 44
3.1.2.1 Parity and tailing for a speech frame . 44
3.1.2.2 Convolutional encoder . 44
3.1.3 Interleaving . 44
3.1.4 Mapping on a Burst. 45
3.2 Speech channel at half rate (TCH/HS) . 45
3.2.1 Parity and tailing for a speech frame . 45
3.2.2 Convolutional encoder . 46
3.2.3 Interleaving . 46
3.2.4 Mapping on a burst . 47
3.3 Data channel at full rate, 12.0 kbit/s radio interface rate (9.6 kbit/s services (TCH/F9.6)) . 47
3.3.1 Interface with user unit . 47
3.3.2 Block code . 47
3.3.3 Convolutional encoder . 47
3.3.4 Interleaving . 48
3.3.5 Mapping on a Burst. 48
3.4 Data channel at full rate, 6.0 kbit/s radio interface rate (4.8 kbit/s services (TCH/F4.8)) . 48
3.4.1 Interface with user unit . 48
3.4.2 Block code . 48
3.4.3 Convolutional encoder . 49
3.4.4 Interleaving . 49
3.4.5 Mapping on a Burst. 49
3.5 Data channel at half rate, 6.0 kbit/s radio interface rate (4.8 kbit/s services (TCH/H4.8)). 49
3.5.1 Interface with user unit . 49
3.5.2 Block code . 49
3.5.3 Convolutional encoder . 49
3.5.4 Interleaving . 49
3.5.5 Mapping on a Burst. 50
3.6 Data channel at full rate, 3.6 kbit/s radio interface rate (2.4 kbit/s and less services (TCH/F2.4)) . 50
3.6.1 Interface with user unit . 50
3.6.2 Block code . 50
3.6.3 Convolutional encoder . 50
3.6.4 Interleaving . 50
3.6.5 Mapping on a Burst. 50
3.7 Data channel at half rate, 3.6 kbit/s radio interface rate (2.4 kbit/s and less services (TCH/H2.4)) . 51
3.7.1 Interface with user unit . 51
3.7.2 Block code . 51
3.7.3 Convolutional encoder . 51
ETSI

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3GPP TS 45.003 version 13.5.0 Release 13 4 ETSI TS 145 003 V13.5.0 (2019-05)
3.7.4 Interleaving . 51
3.7.5 Mapping on a Burst. 51
3.8 Data channel at full rate, 14.5 kbit/s radio interface rate (14.4 kbit/s services (TCH/F14.4)) . 51
3.8.1 Interface with user unit . 51
3.8.2 Block code . 51
3.8.3 Convolutional encoder . 51
3.8.4 Interleaving . 52
3.8.5 Mapping on a Burst. 52
3.9 Adaptive multi rate speech channel at full rate (TCH/AFS) . 52
3.9.1 SID_UPDATE . 52
3.9.1.1 Coding of in-band data . 53
3.9.1.2 Parity and convolutional encoding for the comfort noise parameters . 53
3.9.1.3 Identification marker . 54
3.9.1.4 Interleaving . 54
3.9.1.5 Mapping on a Burst . 54
3.9.2 SID_FIRST . 54
3.9.2.1 Coding of in-band data . 54
3.9.2.2 Identification marker . 55
3.9.2.3 Interleaving . 55
3.9.2.4 Mapping on a Burst . 55
3.9.3 ONSET . 55
3.9.3.1 Coding of in-band data . 55
3.9.3.2 Interleaving . 55
3.9.3.3 Mapping on a Burst . 55
3.9.4 SPEECH . 56
3.9.4.1 Coding of the in-band data . 56
3.9.4.2 Ordering according to subjective importance. 56
3.9.4.3 Parity for speech frames . 57
3.9.4.4 Convolutional encoder . 58
3.9.4.5 Interleaving . 65
3.9.4.6 Mapping on a Burst . 65
3.9.5 RATSCCH . 65
3.9.5.1 Coding of in-band data . 65
3.9.5.2 Parity and convolutional encoding for the RATSCCH message . 65
3.9.5.3 Identification marker . 66
3.9.5.4 Interleaving . 66
3.9.5.5 Mapping on a Burst . 66
3.10 Adaptive multi rate speech channel at half rate (TCH/AHS) . 66
3.10.1 SID_UPDATE . 67
3.10.1.1 Coding of in-band data . 67
3.10.1.2 Parity and convolutional encoding for the comfort noise parameters . 67
3.10.1.3 Identification marker . 68
3.10.1.4 Interleaving . 68
3.10.1.5 Mapping on a Burst . 69
3.10.2 SID_UPDATE_INH . 69
3.10.2.1 Coding of in-band data . 69
3.10.2.2 Identification marker . 69
3.10.2.3 Interleaving . 69
3.10.2.4 Mapping on a Burst . 70
3.10.3 SID_FIRST_P1 . 70
3.10.3.1 Coding of in-band data . 70
3.10.3.2 Identification marker . 70
3.10.3.3 Interleaving . 70
3.10.3.4 Mapping on a Burst . 70
3.10.4 SID_FIRST_P2 . 70
3.10.4.1 Coding of in-band data . 70
3.10.4.2 Interleaving . 71
3.10.4.3 Mapping on a Burst . 71
3.10.5 SID_FIRST_INH . 71
3.10.5.1 Coding of in-band data . 71
3.10.5.2 Identification marker . 71
3.10.5.3 Interleaving . 71
ETSI

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3GPP TS 45.003 version 13.5.0 Release 13 5 ETSI TS 145 003 V13.5.0 (2019-05)
3.10.5.4 Mapping on a Burst . 71
3.10.6 ONSET . 72
3.10.6.1 Coding of in-band data . 72
3.10.6.2 Interleaving . 72
3.10.6.3 Mapping on a Burst . 72
3.10.7 SPEECH . 72
3.10.7.1 Coding of the in-band data . 72
3.10.7.2 Ordering according to subjective importance. 72
3.10.7.3 Parity for speech frames . 73
3.10.7.4 Convolutional encoder . 74
3.10.7.5 Interleaving . 78
3.10.7.6 Mapping on a Burst . 78
3.10.8 RATSCCH_MARKER . 79
3.10.8.1 Coding of in-band data . 79
3.10.8.2 Identification marker . 79
3.10.8.3 Interleaving . 79
3.10.8.4 Mapping on a Burst . 79
3.10.9 RATSCCH_DATA . 79
3.10.9.1 Coding of in-band data . 79
3.10.9.2 Parity and convolutional encoding for the RATSCCH message . 79
3.10.9.3 Interleaving . 80
3.10.9.4 Mapping on a Burst . 80
3.11 Data channel for ECSD at full rate, 29.0 kbit/s radio interface rate (28.8 kbit/s services (E-TCH/F28.8)) . 80
3.11.1 Interface with user unit . 80
3.11.2 Block code . 80
3.11.2.1 Repetition bits . 80
3.11.2.2 Reed Solomon encoder . 81
3.11.3 Convolutional encoder . 82
3.11.3.1 Tailing bits for a data frame . 82
3.11.3.2 Convolutional encoding for a data frame . 82
3.11.4 Interleaving . 83
3.11.5 Mapping on a Burst. 83
3.12 Data channel for ECSD at full rate, 32.0 kbit/s radio interface rate (32.0 kbit/s services (E-TCH/F32.0)) . 84
3.12.1 Interface with user unit . 84
3.12.2 Void . 84
3.12.3 Convolutional encoder . 84
3.12.3.1 Tailing bits for a data frame . 84
3.12.3.2 Convolutional encoding for a data frame . 84
3.12.4 Interleaving . 85
3.12.5 Mapping on a Burst.
...