ETSI TS 145 002 V15.2.0 (2020-04)

Digital cellular telecommunications system (Phase 2+) (GSM); GSM/EDGE Multiplexing and multiple access on the radio path (3GPP TS 45.002 version 15.2.0 Release 15)

RTS/TSGR-0645002vf20

General Information

• Status: Published
• Publication Date: 07-Apr-2020
• Technical Committee: 3GPP RAN 6 - Legacy RAN radio and protocol
• Current Stage: 12 - Completion
• Completion Date: 08-Apr-2020

Standards Content (Sample)

ETSI TS 145 002 V15.2.0 (2020-04)






TECHNICAL SPECIFICATION
Digital cellular telecommunications system (Phase 2+) (GSM);
GSM/EDGE Multiplexing and multiple access on the radio path
(3GPP TS 45.002 version 15.2.0 Release 15)

R
GLOBAL SYSTEM FOR
MOBILE COMMUNICATIONS

---------------------- Page: 1 ----------------------
3GPP TS 45.002 version 15.2.0 Release 15 1 ETSI TS 145 002 V15.2.0 (2020-04)



Reference
RTS/TSGR-0645002vf20
Keywords
GSM
ETSI
650 Route des Lucioles
F-06921 Sophia Antipolis Cedex - FRANCE

Tel.: [phone]  Fax: [phone]

Siret N° 348 623 562 00017 - NAF 742 C
Association à but non lucratif enregistrée à la
Sous-Préfecture de Grasse (06) N° 7803/88

Important notice
The present document can be downloaded from:
http://www.etsi.org/standards-search
The present document may be made available in electronic versions and/or in print. The content of any electronic and/or
print versions of the present document shall not be modified without the prior written authorization of ETSI. In case of any
existing or perceived difference in contents between such versions and/or in print, the prevailing version of an ETSI
deliverable is the one made publicly available in PDF format at www.etsi.org/deliver.
Users of the present document should be aware that the document may be subject to revision or change of status.
Information on the current status of this and other ETSI documents is available at
https://portal.etsi.org/TB/ETSIDeliverableStatus.aspx
If you find errors in the present document, please send your comment to one of the following services:
https://portal.etsi.org/People/CommiteeSupportStaff.aspx
Copyright Notification
No part may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying
and microfilm except as authorized by written permission of ETSI.
The content of the PDF version shall not be modified without the written authorization of ETSI.
The copyright and the foregoing restriction extend to reproduction in all media.

© ETSI 2020.
All rights reserved.

DECT™, PLUGTESTS™, UMTS™ and the ETSI logo are trademarks of ETSI registered for the benefit of its Members.

3GPP™ and LTE™ are trademarks of ETSI registered for the benefit of its Members and
of the 3GPP Organizational Partners.
oneM2M™ logo is a trademark of ETSI registered for the benefit of its Members and
of the oneM2M Partners.
®
GSM and the GSM logo are trademarks registered and owned by the GSM Association.
ETSI

---------------------- Page: 2 ----------------------
3GPP TS 45.002 version 15.2.0 Release 15 2 ETSI TS 145 002 V15.2.0 (2020-04)
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.
Legal Notice
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. These shall be
interpreted as being references to the corresponding ETSI deliverables.
The cross reference between 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

---------------------- Page: 3 ----------------------
3GPP TS 45.002 version 15.2.0 Release 15 3 ETSI TS 145 002 V15.2.0 (2020-04)
Contents
Intellectual Property Rights . 2
Legal Notice . 2
Modal verbs terminology . 2
Foreword . 7
1 Scope . 8
1.1 References . 8
1.2 Abbreviations . 9
1.2a Definitions . 9
1.3 Restrictions . 9
2 General . 9
3 Logical channels . 10
3.1 General . 10
3.2 Traffic channels . 10
3.2.1 General . 10
3.2.2 Speech traffic channels . 10
3.2.3 Circuit switched data traffic channels . 11
3.2.4 Packet data traffic channels (PDTCH and EC-PDTCH) . 11
3.3 Control channels . 12
3.3.1 General . 12
3.3.2 Broadcast channels . 12
3.3.2.1 Frequency correction channels (FCCH and CFCCH) . 12
3.3.2.2 Synchronization channels . 12
3.3.2.2.0 General . 12
3.3.2.2.1 Synchronization channel (SCH) . 12
3.3.2.2.2 COMPACT synchronization channel (CSCH) . 12
3.3.2.2.3 Extended Coverage synchronization channel (EC-SCH) . 13
3.3.2.3 Broadcast control channel (BCCH) . 14
3.3.2.3a Extended coverage broadcast control channel (EC-BCCH) . 14
3.3.2.4 Packet Broadcast Control Channels . 15
3.3.2.4.1 Packet Broadcast Control Channel (PBCCH) . 15
3.3.2.4.2 COMPACT Packet Broadcast Control Channel (CPBCCH) . 15
3.3.3 Common control type channels . 16
3.3.3.1 Common control type channels, known when combined as a common control channel (CCCH) . 16
3.3.3.2 Packet Common control channels . 16
3.3.3.2.1 Packet Common Control Channels (PCCCH) . 16
3.3.3.2.2 COMPACT Common Control Channels (CPCCCH) . 16
3.3.3.2.3 MBMS Common Control Channels . 16
3.3.3.3 Extended Coverage Common Control Channels . 16
3.3.4 Dedicated control channels . 17
3.3.4.1 Circuit switched dedicated control channels . 17
3.3.4.2 Packet dedicated control channels . 17
3.3.4.3 Extended Coverage Packet dedicated control channels . 17
3.3.5 Cell Broadcast Channel (CBCH) . 18
3.3.6 CTS control channels . 18
3.3.6.1 CTS beacon channel (BCH) . 18
3.3.6.2 CTS paging channel (CTSPCH) . 18
3.3.6.3 CTS access request channel (CTSARCH) . 18
3.3.6.4 CTS access grant channel (CTSAGCH) . 18
3.4 Combination of channels . 18
4 The physical resource . 19
4.1 General . 19
4.2 Radio frequency channels. 19
4.2.1 Cell allocation and mobile allocation. 19
4.2.2 Downlink and uplink . 19
ETSI

---------------------- Page: 4 ----------------------
3GPP TS 45.002 version 15.2.0 Release 15 4 ETSI TS 145 002 V15.2.0 (2020-04)
4.3 Timeslots, TDMA frames, and time groups . 19
4.3.1 General . 19
4.3.2 Timeslot number . 19
4.3.3 TDMA frame number . 20
4.3.4 Time group. 20
5 Physical channels . 20
5.1 General . 20
5.2 Bursts . 20
5.2.1 General . 20
5.2.2 Types of burst and burst timing . 20
5.2.3 Normal burst (NB) . 22
5.2.3.1 Normal burst for GMSK . 22
5.2.3.2 Normal burst for AQPSK (downlink only) . 24
5.2.3.3 Normal burst for 8PSK . 24
5.2.3.4 Normal burst for 16QAM . 25
5.2.3.5 Normal burst for 32QAM . 27
5.2.3a Higher symbol rate burst (HB) . 28
5.2.4 Frequency correction burst (FB) . 31
5.2.5 Synchronization Burst (SB) . 32
5.2.6 Dummy burst (DB) . 32
5.2.7 Access burst (AB) . 33
5.2.8 Guard period . 34
5.2.9 Extended Access burst (Extended AB) . 34
5.2.10 Extended Synchronization Access burst (ESAB) . 35
5.2.11 Extended Dual Slot Access burst (EDAB) . 35
5.3 Physical channels and bursts . 37
5.4 Radio frequency channel sequence . 37
5.5 Timeslot and TDMA frame sequence . 37
5.6 Parameters for channel definition and assignment . 37
5.6.1 General . 37
5.6.2 General parameters . 37
5.6.2.1 General . 37
5.6.2.2 COMPACT . 37
5.6.2.3 EC-GSM-IoT . 38
5.6.3 Specific parameters . 38
6 Mapping of logical channels onto physical channels . 38
6.1 General . 38
6.2 Mapping in frequency of logical channels onto physical channels . 39
6.2.1 General . 39
6.2.2 Parameters. 39
6.2.3 Hopping sequence generation . 40
6.2.4 Specific cases . 41
6.2.5 Change in the frequency allocation of a base transceiver station. 42
6.2.6 Frequency assignment in CTS . 42
6.2.7 Mapping restrictions in downlink multi-carrier configurations . 42
6.3 Mapping in time of logical channels onto physical channels . 43
6.3.1 Mapping in time of circuit switched logical channels onto physical channels . 43
6.3.1.1 General . 43
6.3.1.2 Key to the mapping table of clause 7 . 43
6.3.1.3 Mapping of BCCH data . 44
6.3.1.4 Mapping of SID Frames . 46
6.3.2 Mapping in time of packet logical channels onto physical channels . 46
6.3.2.1 General . 46
6.3.2.2 Mapping of the uplink channels . 48
6.3.2.2.1 Mapping of (EC-)PDTCH/U and (EC-)PACCH/U . 48
6.3.2.2.1.1 BTTI configuration . 48
6.3.2.2.1.2 RTTI configuration . 49
6.3.2.2.2 Mapping of the Packet Timing Advance Control Channel (PTCCH/U) . 50
6.3.2.2.3 Mapping of the uplink PCCCH i.e. PRACH . 50
6.3.2.2.3a Mapping of the COMPACT uplink CPCCCH i.e. CPRACH . 50
ETSI

---------------------- Page: 5 ----------------------
3GPP TS 45.002 version 15.2.0 Release 15 5 ETSI TS 145 002 V15.2.0 (2020-04)
6.3.2.2.4 Mapping of the MBMS uplink MPRACH . 50
6.3.2.2.5 Void . 50
6.3.2.2.6 Mapping of Overlaid CDMA sub channels . 50
6.3.2.3 Mapping of the downlink channels . 51
6.3.2.3.1 Mapping of the (EC-)PDTCH/D and (EC-)PACCH/D . 51
6.3.2.3.2 Mapping of the PTCCH/D . 51
6.3.2.3.3 Mapping of the PBCCH . 52
6.3.2.3.3a Mapping of the COMPACT CPBCCH . 52
6.3.2.3.3b Void . 52
6.3.2.3.4 Mapping of the PCCCH . 52
6.3.2.3.4a Mapping of the COMPACT CPCCCH . 52
6.3.2.3.4b Void . 53
6.3.2.4 Mapping of PBCCH data . 53
6.3.2.4a Mapping of COMPACT CPBCCH data . 53
6.3.2.4b Void. 54
6.3.3 Mapping in time of CTS control channels onto physical channels . 54
6.3.3.1 CTSBCH timeslot assignment . 54
6.3.3.2 CTSPCH, CTSARCH and CTSAGCH timeslot assignment . 55
6.3.4 Mapping in time of Extended Coverage control channels onto physical channels . 56
6.3.4.1 General . 56
6.3.4.2 Mapping of the downlink Extended Coverage CCCH (EC-CCCH/D) . 56
6.3.4.3 Mapping of the uplink Extended Coverage CCCH (EC-CCCH/U) . 56
6.3.4.4 Mapping of EC-BCCH data . 56
6.4 Permitted channel combinations . 57
6.4.1 Permitted channel combinations onto a basic physical channel. 57
6.4.2 Multislot configurations . 61
6.4.2.1 General . 61
6.4.2.1 Multislot configurations for circuit switched connections in A/Gb mode . 61
6.4.2.2 Multislot configurations for packet switched connections in A/Gb mode . 62
6.4.2.3 Multislot configurations for dual transfer mode in A/Gb mode . 65
6.4.2.3a Multislot configurations for MBMS in A/Gb mode . 66
6.4.2.4 Multislot configurations for DBPSCH in Iu mode . 67
6.4.2.4.1 TCHs assigned . 67
6.4.2.4.2 PDTCHs assigned . 67
6.4.2.4.3 TCHs and PDTCHs assigned . 67
6.4.2.5 void . 67
6.4.2.6 Multislot configurations for SBPSCH in Iu mode . 67
6.4.2.7 Multislot configurations for dual transfer mode in Iu mode . 67
6.5 Operation of channels and channel combinations . 68
6.5.1 General . 68
6.5.2 Determination of CCCH_GROUP and PAGING_GROUP for MS in idle mode . 71
6.5.2a Determination of CCCH_GROUP, PAGING_GROUP_MF and PAGING_GROUP_PCH for MS in
idle mode when using extended DRX cycles . 71
6.5.2b Determination of EC_CCCH_GROUP and PAGING_GROUP for MS in idle mode for EC-GSM-

IoT . 72
6.5.3 Determination of specific paging multiframe and paging block index . 73
6.5.3a Determination of specific paging multiframe and paging block index for EC-GSM-IoT . 74
6.5.3a.1 CC1 . 74
6.5.3a.2 CC2 . 74
6.5.3a.3 CC3 .
...