ETSI TS 145 008 V13.1.0 (2016-04)

ETSI TS 1145 008 V13.1.0 (201616-04)

TECHNICAL SPECIFICATIONION
Digital cellular telecommmmunications system (Phase e 2+) (GSM);
Radio s subsystem link control
(3GPP TS 45.0.008 version 13.1.0 Release 13 13)

R
GLOBAL SYSTTEME FOR
MOBILE COMMUUNNICATIONS
3GPP TS 45.008 version 13.1.0 Release 13 1 ETSI TS 145 008 V13.1.0 (2016-04)

Reference
RTS/TSGG-0145008vd10
Keywords
GSM
ETSI
650 Route des Lucioles
F-06921 Sophia Antipolis Cedex - FRANCE

Tel.: +33 4 92 94 42 00  Fax: +33 4 93 65 47 16

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 only prevailing document is the
print of the Portable Document Format (PDF) version kept on a specific network drive within ETSI Secretariat.
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
http://portal.etsi.org/tb/status/status.asp
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.

© European Telecommunications Standards Institute 2016.
All rights reserved.
TM TM TM
DECT , PLUGTESTS , UMTS and the ETSI logo are Trade Marks of ETSI registered for the benefit of its Members.
TM
3GPP and LTE™ are Trade Marks of ETSI registered for the benefit of its Members and
of the 3GPP Organizational Partners.
GSM® and the GSM logo are Trade Marks registered and owned by the GSM Association.
ETSI
3GPP TS 45.008 version 13.1.0 Release 13 2 ETSI TS 145 008 V13.1.0 (2016-04)
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 (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.
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
3GPP TS 45.008 version 13.1.0 Release 13 3 ETSI TS 145 008 V13.1.0 (2016-04)
Contents
Intellectual Property Rights . 2
Foreword . 2
Modal verbs terminology . 2
Foreword . 8
1 Scope . 9
1.1 References . 9
1.2 Abbreviations . 11
1.3 Definitions . 11
1.4 Restrictions . 11
2 General . 11
3 Handover . 13
3.1 Overall process . 13
3.2 MS measurement procedure . 13
3.3 BSS measurement procedure . 13
3.4 Strategy . 13
4 RF power control . 14
4.1 Overall process . 14
4.2 MS implementation . 14
4.2.1 General . 14
4.2.2 (EC-)RACH . 15
4.2.2.1 Random access procedure when not in EC-EGPRS operation . 15
4.2.2.2 Random access procedure in EC-EGPRS operation . 16
4.3 MS power control range . 16
4.4 BSS implementation . 17
4.4.1 VAMOS subchannel power control for BSS in downlink . 17
4.5 BSS power control range . 17
4.6 Strategy . 17
4.7 Timing . 17
4.7.1 Normal Power Control . 17
4.7.2 Fast Power Control . 18
4.7.3 Enhanced Power Control . 18
4.8 Dedicated channels used for a voice group call or voice broadcast. 18
5 Radio link failure . 19
5.1 Criterion . 19
5.2 MS procedure . 19
5.3 BSS procedure . 20
6 Idle mode tasks . 20
6.1 Introduction . 20
6.2 Measurements for normal cell selection . 21
6.3 Measurements for stored list cell selection . 22
6.4 Criteria for cell selection and reselection . 22
6.5 Downlink signalling failure . 24
6.6 Measurements for Cell Reselection . 24
6.6.0 General . 24
6.6.1 Monitoring of received signal level and BCCH data . 25
6.6.1a Reduced Monitoring of received signal level and (EC-)BCCH data . 26
6.6.2 Path loss criteria and timings for cell re-selection . 27
6.6.3 Cell reselection algorithm for SoLSA . 28
6.6.4 Measurements on cells of other radio access technologies . 28
6.6.5 Algorithm for cell re-selection from GSM to UTRAN based on cell ranking . 33
6.6.6 Algorithm for inter-RAT cell re-selection based on priority information . 34
ETSI
3GPP TS 45.008 version 13.1.0 Release 13 4 ETSI TS 145 008 V13.1.0 (2016-04)
6.6.7 Cell selection and re-selection to CSG cells and hybrid cells . 37
6.6.7.1 Cell re-selection to CSG cells . 37
6.6.7.1a Cell re-selection to hybrid cells . 38
6.6.7.2 Manual CSG ID selection . 38
6.7 Release of TCH, SDCCH and DBPSCH . 38
6.7.1 Normal case . 38
6.7.2 Call re-establishment . 39
6.8 Abnormal cases and emergency calls . 39
6.9 Received signal level measurements for EC-EGPRS . 40
6.9.1 General . 40
6.9.2 Physical parameter . 40
6.9.3 Statistical parameter . 40
6.9.4 Accuracy requirements . 40
6.9.5 Range of parameter . 41
6.10 Coverage class selection for EC-EGPRS . 41
6.10.1 General . 41
6.10.2 Downlink coverage class selection . 41
6.10.3 Uplink coverage class selection . 42
6.10.4 Coverage class adaptation for EC-CCCH . 42
6.10.5 Downlink coverage class update . 42
7 Network pre-requisites . 43
7.1 BCCH carriers . 43
7.2 Identification of surrounding BSS for handover measurements . 44
7.3 Handover measurements on other radio access technologies . 46
7.4 Handover measurements on UTRAN CSG cells and hybrid cells . 49
8 Radio link measurements . 50
8.1 Signal level . 50
8.1.1 General . 50
8.1.2 Physical parameter . 50
8.1.3 Statistical parameters . 51
8.1.4 Range of parameter . 51
8.1.5 Measurement quantity for other radio access technologies . 52
8.1.5.1 UTRAN FDD . 52
8.1.5.2 UTRAN TDD . 52
8.1.5.3 cdma2000 . 52
8.1.5.4 E-UTRAN FDD . 53
8.1.5.5 E-UTRAN TDD . 54
8.2 Signal quality . 54
8.2.1 General . 54
8.2.2 Physical parameter . 54
8.2.3 Statistical parameters . 55
8.2.3.1 RXQUAL . 55
8.2.3.2 MEAN_ BEP and CV_BEP . 55
8.2.4 Range of parameter RXQUAL . 56
8.2.5 Range of parameters MEAN_BEP and CV_BEP . 57
8.3 Aspects of discontinuous transmission (DTX) . 61
8.4 Measurement reporting . 62
8.4.1 Measurement reporting for the MS . 62
8.4.1a Measurement reporting for the MS in FPC mode . 64
8.4.1b Measurement reporting for the MS in EPC mode . 64
8.4.2 Measurement reporting for the MS on a SDCCH . 65
8.4.3 Additional cell reporting requirements for multi band MS . 65
8.4.4 Common aspects for the MS on a TCH, a SDCCH or a DBPSCH . 66
8.4.5 Measurement reporting for the BSS . 66
8.4.6 Extended measurement reporting . 67
8.4.7 Additional cell reporting requirements for multi-RAT MS . 67
8.4.8 Enhanced Measurement Reporting . 69
8.4.8.1 Reporting Priority . 69
8.4.8.2 Measurement Reporting . 70
8.4.8.3 NBR_RCVD_BLOCKS for FLO . 71
ETSI
3GPP TS 45.008 version 13.1.0 Release 13 5 ETSI TS 145 008 V13.1.0 (2016-04)
8.4.9 Requirements for measurement and reporting of CSG cells and hybrid cells . 71
8.5 Absolute MS-BTS distance . 72
8.5.1 General . 72
8.5.2 Physical parameter . 72
9 Control parameters . 73
10 GPRS mode tasks . 81
10.1 Cell Re-selection . 81
10.1.0 General . 81
10.1.1 Monitoring the received signal level and PBCCH data . 82
10.1.1.0 General . 82
10.1.1.1 Packet idle mode or MAC-Idle state . 83
10.1.1.2 Packet transfer mode or MAC-Shared state . 83
10.1.1.2a Broadcast/multicast receive mode . 84
10.1.1.3 Monitoring cells of other radio access technologies . 85
10.1.2 Cell Re-selection Criteria . 89
10.1.3 Cell Re-selection Algorithm . 90
10.1.3.1 Abnormal cell reselection . 91
10.1.3.2 Algorithm for cell re-selection from GSM to UTRAN based on cell ranking . 92
10.1.3.3 Algorithm for inter-RAT cell re-selection based on priority information . 93
10.1.3.4 Cell selection and re-selection to CSG cells and hybrid cells . 93
10.1.4 Network controlled Cell re-selection . 93
10.1.4.1 Measurement reporting . 94
10.1.4.2 Cell re-selection command . 99
10.1.4.3 Exceptional cases . 99
10.1a Measurement and Reporting of CSG Cells and hybrid cells . 99
10.2 RF Power Control . 100
10.2.1 MS output power . 100
10.2.2 BTS output power . 101
10.2.3 Measurements at MS side . 102
10.2.3.1 Deriving the C value . 103
10.2.3.1.1 Packet idle mode or MAC-Idle state . 103
10.2.3.1.2 Packet transfer mode or MAC-Shared state . 103
10.2.3.1.2.1 MS that have not enabled EC-EGPRS operation . 103
10.2.3.1.2.2 MS that have enabled EC-EGPRS operation . 105
10.2.3.2 Derivation of Channel Quality Report . 105
10.2.3.2.1 Packet transfer mode or MAC-Shared state . 105
10.2.3.2.2 Void . 109
10.2.3.2.3 Measurement reporting . 109
10.2.3.2.4 Measurement reporting - additional requirements for downlink dual carrier . 110
10.2.3.2.5 Measurement reporting - additional requirements for downlink multi carrier. 110
10.2.3.3 Range of parameters MEAN_BEP and CV_BEP for EGPRS2 . 111
10.2.4 Measurements at BSS side . 115
10.2a Packet-switched Handover . 115
10.3 Measurement requirements . 115
10.4 Control parameters . 115
11 CTS mode tasks . 123
11.1 CTS idle mode tasks . 123
11.1.1 CTS cell selection . 124
11.1.1.1 Synchronization and measurements for CTS cell selection . 124
11.1.1.2 Initial sychronization of CTS-MS . 124
11.1.2 Criterion for CTS cell selection . 124
11.1.3 Monitoring of CTSBCH and CTSPCH . 125
11.1.3.1 Monitoring of received signal level . 125
11.1.3.2 Downlink beacon failure . 125
11.1.3.3 Downlink paging failure . 125
11.1.4 Procedures with reporting to the CTS-FP . 125
11.1.4.1 AFA monitoring . 125
11.1.4.2 BCCH detection . 126
11.1.4.3 Observed Frequency Offset (OFO) measurement . 126
11.2 Intra-cell handover . 126
ETSI
3GPP TS 45.008 version 13.1.0 Release 13 6 ETSI TS 145 008 V13.1.0 (2016-04)
11.2.1 Overall process . 126
11.2.2 CTS-MS measurement procedure . 126
11.2.3 CTS-FP measurement procedure . 127
11.2.4 Strategy . 127
11.3 RF power control . 127
11.3.1 Overall process . 127
11.3.2 CTS-MS implementation . 127
11.3.3 CTS-MS power control range . 127
11.3.4 CTS-FP implementation . 128
11.3.5 CTS-FP power control range . 128
11.3.6 Strategy . 128
11.3.7 Timing . 128
11.4 Radio link failure . 128
11.4.1 Criterion . 128
11.4.2 CTS-MS procedure . 128
11.4.3 CTS-FP procedure . 129
11.5 Radio link measurements . 129
11.5.1 Signal strength . 129
11.5.1.1 General . 129
11.5.1.2 Physical parameter . 129
11.5.1.3 Statistical parameters . 129
11.5.1.4 Range of parameter . 129
11.5.2 Signal quality . 130
11.5.2.1 General . 130
11.5.2.2 Physical parameter . 130
11.5.2.3 Statistical parameters . 130
11.5.2.4 Range of parameter . 130
11.5.3 Aspects of discontinuous transmission (DTX) . 130
11.5.4 Measurement reporting for the CTS-MS on a TCH . 130
11.6 Control of CTS-FP service range . 131
11.7 Control parameters . 131
12 COMPACT Mode Tasks . 133
12.1 Introduction . 133
12.2 Network Pre-requisites . 133
12.2.1 CPBCCH carriers . 133
12.3 COMPACT Idle Mode Tasks . 133
12.3.1 Introduction. 133
12.3.2 Measurements for COMPACT Cell Selection . 133
12.3.3 Measurements for COMPACT Stored List Cell Selection . 134
12.3.4 Criteria for COMPACT Cell Selection . 134
12.3.5 Downlink Signalling Failure . 134
12.4 COMPACT Cell Reselection . 134
12.4.1 Monitoring the received signal level and CPBCCH data . 135
12.4.1.1 Packet idle mode or MAC-Idle state . 135
12.4.1.2 Packet transfer mode or MAC-Shared state . 135
12.4.2 COMPACT cell reselection criteria . 136
12.4.3 COMPACT cell reselection algorithm . 136
12.4.4 Network controlled Cell reselection . 136
12.4.5 COMPACT cell reselection measurement opportunities . 136
Annex A (informative): Definition of a basic GSM or DCS 1 800 handover and RF power
control algorithm . 137
A.1 Scope . 137
A.2 Functional requirement. 137
A.3 BSS pre-processing and threshold comparisons. 138
A.3.1 Measurement averaging process . 138
A.3.2 Threshold comparison process . 139
A.3.2.1 RF power control process . 139
A.3.2.2 Handover Process . 140
ETSI
3GPP TS 45.008 version 13.1.0 Release 13 7 ETSI TS 145 008 V13.1.0 (2016-04)
A.4 BSS decision algorithm . 141
A.4.1 Internal intracell handover according to radio criteria: (Interference problems) . 141
A.4.2 Internal handover according to other criteria. 142
A.4.3 General considerations . 142
A.5 Channel allocation . 142
A.6 Handover decision algorithm in the MSC . 143
Annex B (informative): Power Control Procedures . 145
B.1 Open loop control . 145
B.2 Closed loop control . 146
B.3 Quality based control. 146
B.4 BTS power control . 147
B.5 Example . 147
B.6 Interworking between normal and fast power control for ECSD . 148
B.7 Interworking between normal and enhanced power control (EPC) . 149
Annex C (informative): Example Interference Measurement Algorithm . 151
Annex D (informative): Example Selection of Modulation and Coding Schemes based on
Link Quality Reports . 152
Annex E (informative): Change history . 153
History . 163

ETSI
3GPP TS 45.008 version 13.1.0 Release 13 8 ETSI TS 145 008 V13.1.0 (2016-04)
Foreword
rd
This Technical Specification has been produced by the 3 Generation Partnership Project (3GPP).
The contents of the present document are subject to continuing work within the TSG and may change following formal
TSG approval. Should the TSG modify the contents of the present document, it will be re-released by the TSG with an
identifying change of release date and an increase in version number as follows:
Version x.y.z
where:
x the first digit:
1 presented to TSG for information;
2 presented to TSG for approval;
3 or greater indicates TSG approved document under change control.
y the second digit is incremented for all changes of substance, i.e. technical enhancements, corrections,
updates, etc.
z the third digit is incremented when editorial only changes have been incorporated in the document.
ETSI
3GPP TS 45.008 version 13.1.0 Release 13 9 ETSI TS 145 008 V13.1.0 (2016-04)
1 Scope
The present document specifies the Radio sub-system link control implemented in the Mobile Station (MS), Base
Station System (BSS) and Mobile Switching Centre (MSC) of the digital cellular telecommunications systems GSM.
Unless otherwise specified, references to GSM also include include operation in any band.
1.1 References
The following documents contain provisions which, through reference in this text, constitute provisions of the present
document.
• References are either specific (identified by date of publication, edition number, version n
...