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TECHNICAL SPECIFICATION
Digital cellular telecommunications system (Phase 2+) (GSM);
GSM/EDGE Radio subsystem link control
(3GPP TS 45.008 version 14.5.0 Release 14)
R
GLOBAL SYSTEM FOR
MOBILE COMMUNICATIONS
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3GPP TS 45.008 version 14.5.0 Release 14 1 ETSI TS 145 008 V14.5.0 (2018-10)
Reference
RTS/TSGR-0645008ve50
Keywords
GSM
ETSI
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3GPP TS 45.008 version 14.5.0 Release 14 2 ETSI TS 145 008 V14.5.0 (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
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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 45.008 version 14.5.0 Release 14 3 ETSI TS 145 008 V14.5.0 (2018-10)
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 EC operation is not enabled . 15
4.2.2.2 Random access procedure when EC operation is enabled . 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
6.4.1 C1 path loss criterion . 22
6.4.2 C2 reselection criterion . 24
6.4.3 C4 criteria . 25
6.4.4 Disabling of EC operation . 25
6.5 Downlink signalling failure . 25
6.6 Measurements for Cell Reselection . 26
6.6.0 General . 26
6.6.1 Monitoring of received signal level and BCCH data . 26
6.6.1.1 Applicability. 26
6.6.1.2 Monitoring of received signal level . 26
6.6.1.3 Monitoring of BCCH data and BSIC decoding . 27
6.6.1.4 Determination of available PLMNs . 27
ETSI
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3GPP TS 45.008 version 14.5.0 Release 14 4 ETSI TS 145 008 V14.5.0 (2018-10)
6.6.1.5 Requirements for synchronization and reading of BCCH data . 27
6.6.1a Reduced Monitoring of received signal level and (EC-)BCCH data . 27
6.6.1a.1 General . 27
6.6.1a.2 Monitoring of the serving cell . 27
6.6.1a.3 Criteria for triggering measurements for cell re-selection. 28
6.6.1a.4 Monitoring of non-serving cells . 29
6.6.2 Path loss criteria and timings for cell re-selection . 29
6.6.3 Cell reselection algorithm for SoLSA . 30
6.6.4 Measurements on cells of other radio access technologies . 30
6.6.5 Algorithm for cell re-selection from GSM to UTRAN based on cell ranking . 35
6.6.6 Algorithm for inter-RAT cell re-selection based on priority information . 36
6.6.7 Cell selection and re-selection to CSG cells and hybrid cells . 38
6.6.7.1 Cell re-selection to CSG cells . 38
6.6.7.1a Cell re-selection to hybrid cells . 39
6.6.7.2 Manual CSG ID selection . 39
6.7 Release of TCH, SDCCH and DBPSCH . 39
6.7.1 Normal case . 39
6.7.2 Call re-establishment . 40
6.8 Abnormal cases and emergency calls . 41
6.9 RLA_EC signal level and SLA measurements . 41
6.9.1 General . 41
6.9.2 Physical parameters . 41
6.9.3 Statistical parameter . 42
6.9.4 Accuracy requirements . 42
6.9.5 Void . 42
6.9a RLA_GC signal level measurements . 42
6.9a.1 General . 42
6.9a.2 Physical parameter . 42
6.9a.3 Statistical parameter . 42
6.9a.4 Accuracy requirements . 43
6.10 Coverage class selection for EC-GSM-IoT . 43
6.10.1 General . 43
6.10.2 Downlink coverage class selection . 43
6.10.3 Uplink coverage class selection . 43
6.10.4 Coverage class adaptation for EC-CCCH . 44
6.10.5 Downlink coverage class update . 44
7 Network pre-requisites . 45
7.1 BCCH carriers . 45
7.2 Identification of surrounding BSS . 46
7.2.1 General . 46
7.2.2 Identification of surrounding BSS for handover measurements . 47
7.3 Handover measurements on other radio access technologies . 48
7.4 Handover measurements on UTRAN CSG cells and hybrid cells . 51
8 Radio link measurements . 52
8.1 Signal level . 52
8.1.1 General . 52
8.1.2 Physical parameter . 52
8.1.3 Statistical parameters . 53
8.1.4 Range of parameter . 53
8.1.5 Measurement quantity for other radio access technologies . 54
8.1.5.1 UTRAN FDD . 54
8.1.5.2 UTRAN TDD . 54
8.1.5.3 cdma2000 . 54
8.1.5.4 E-UTRAN FDD . 54
8.1.5.5 E-UTRAN TDD . 55
8.2 Signal quality . 56
8.2.1 General . 56
8.2.2 Physical parameter . 56
8.2.3 Statistical parameters . 56
8.2.3.1 RXQUAL . 56
ETSI
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3GPP TS 45.008 version 14.5.0 Release 14 5 ETSI TS 145 008 V14.5.0 (2018-10)
8.2.3.2 MEAN_ BEP and CV_BEP . 57
8.2.4 Range of parameter RXQUAL . 58
8.2.5 Range of parameters MEAN_BEP and CV_BEP . 59
8.3 Aspects of discontinuous transmission (DTX) . 63
8.4 Measurement reporting . 64
8.4.1 Measurement reporting for the MS . 64
8.4.1a Measurement reporting for the MS in FPC mode . 66
8.4.1b Measurement reporting for the MS in EPC mode . 66
8.4.2 Measurement reporting for the MS on a SDCCH . 67
8.4.3 Additional cell reporting requirements for multi band MS . 67
8.4.4 Common aspects for the MS on a TCH, a SDCCH or a DBPSCH . 68
8.4.5 Measurement reporting for the BSS . 68
8.4.6 Extended measurement reporting . 68
8.4.7 Additional cell reporting requirements for multi-RAT MS . 69
8.4.8 Enhanced Measurement Reporting . 70
8.4.8.1 Reporting Priority . 71
8.4.8.2 Measurement Reporting . 72
8.4.8.3 NBR_RCVD_BLOCKS for FLO . 73
8.4.9 Requirements for measurement and reporting of CSG cells and hybrid cells . 73
8.5 Absolute MS-BTS distance . 74
8.5.1 General . 74
8.5.2 Physical parameter . 74
9 Control parameters . 75
10 GPRS mode tasks . 86
10.1 Cell Re-selection . 86
10.1.0 General . 86
10.1.1 Monitoring the received signal level and PBCCH data . 87
10.1.1.0 General . 87
10.1.1.1 Packet idle mode or MAC-Idle state . 87
10.1.1.2 Packet transfer mode or MAC-Shared state . 88
10.1.1.2a Broadcast/multicast receive mode . 89
10.1.1.3 Monitoring cells of other radio access technologies . 90
10.1.2 Cell Re-selection Criteria . 94
10.1.3 Cell Re-selection Algorithm . 95
10.1.3.1 Abnormal cell reselection . 96
10.1.3.2 Algorithm for cell re-selection from GSM to UTRAN based on cell ranking . 97
10.1.3.3 Algorithm for inter-RAT cell re-selection based on priority information . 98
10.1.3.4 Cell selection and re-selection to CSG cells and hybrid cells . 98
10.1.4 Network controlled Cell re-selection . 98
10.1.4.1 Measurement reporting . 99
10.1.4.2 Cell re-selection command . 103
10.1.4.3 Exceptional cases . 103
10.1a Measurement and Reporting of CSG Cells and hybrid cells . 103
10.2 RF Power Control . 104
10.2.1 MS output power .
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