ETSI TS 144 318 V13.0.0 (2016-01)

ETSI TS 1144 318 V13.0.0 (201616-01)






TECHNICAL SPECIFICATIONION
Digital cellular telecocommunications system (Phahase 2+);
Generic Aic Access Network (GAN);
Mobile GAN ininterface layer 3 specificationion
(3GPP TS 44.3.318 version 13.0.0 Release 13 13)

R
GLOBAL SYSTTEME FOR
MOBILE COMMUUNNICATIONS

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3GPP TS 44.318 version 13.0.0 Release 13 1 ETSI TS 144 318 V13.0.0 (2016-01)



Reference
RTS/TSGG-0244318vd00
Keywords
GSM
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3GPP TS 44.318 version 13.0.0 Release 13 2 ETSI TS 144 318 V13.0.0 (2016-01)
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

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3GPP TS 44.318 version 13.0.0 Release 13 3 ETSI TS 144 318 V13.0.0 (2016-01)
Contents
Intellectual Property Rights . 2
Foreword . 2
Modal verbs terminology . 2
Foreword . 16
1 Scope . 17
2 References . 17
3 Definitions, symbols and abbreviations . 19
3.1 Definitions . 19
3.2 Symbols . 19
3.3 Abbreviations . 19
4 Elementary procedures for handling of secure connection . 21
4.1 General . 21
4.2 Establishment of the secure connection . 21
4.2.1 General . 21
4.2.2 Identities . 22
4.2.3 Crypto negotiation . 22
4.2.4 NAT traversal . 22
4.2.5 Certificate Handling and Authentication . 23
4.2.6 Abnormal cases . 23
4.3 EAP-SIM authentication . 23
4.3.1 General . 23
4.3.2 EAP-SIM Identity . 23
4.3.3 EAP-SIM Fast Re-authentication . 24
4.3.4 Abnormal cases . 24
4.4 EAP-AKA authentication . 24
4.4.1 General . 24
4.4.2 EAP-AKA Identity . 24
4.4.3 EAP-AKA Fast Re-authentication . 24
4.4.4 Abnormal cases . 25
4.5 Release of the secure connection . 25
5 GA-RC elementary procedures for GANC Discovery . 25
5.1 Purpose of the Discovery Procedure . 25
5.2 Discovery procedure . 25
5.3 Discovery Request initiation by the MS . 25
5.4 Discovery Request processing by the network . 26
5.4.1 Discovery accepted . 26
5.4.2 Discovery rejected . 27
5.5 Discovery response processing by the MS . 27
5.5.1 Discovery accepted . 27
5.5.2 Discovery rejected . 27
5.6 Abnormal cases . 28
5.6.1 TU3901 expiry . 28
5.6.2 Lower layer failure in the MS . 28
5.6.3 TU3902 expiry . 28
5.6.4 TU3903 expiry . 28
6 GA-RC elementary procedures for Registration . 28
6.1 Purpose of GAN Registration . 28
6.2 Registration procedure . 29
6.2.1 Registration initiation by the MS . 29
6.2.2 Registration processing by the network . 31
6.2.2.1 General . 31
ETSI

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3GPP TS 44.318 version 13.0.0 Release 13 4 ETSI TS 144 318 V13.0.0 (2016-01)
6.2.2.2 Registration accepted . 31
6.2.2.3 Registration redirected . 31
6.2.2.4 Registration rejected. 32
6.2.3 Registration response processing by the MS . 32
6.2.3.1 Registration accepted . 32
6.2.3.2 Registration redirected . 34
6.2.3.3 Registration rejected. 35
6.2.4 Abnormal cases . 36
6.2.4.1 TU3904 expiry . 36
6.2.4.2 Lower layer failure in the MS . 36
6.2.4.3 TU3905 expiry . 36
6.2.4.4 TU3907 expiry . 36
6.2.4.5 Registration Failure . 36
6.2.4.6 GAN mode selection related failures . 37
6.3 Registration Update procedure . 37
6.3.1 Register Update initiation by the MS . 38
6.3.2 Register Update processing by the network . 39
6.3.2.1 Register Update Accepted . 39
6.3.2.2 Register Update Rejected . 39
6.3.2.3 Register Update results in redirection . 39
6.3.3 Register Update Response handling in the MS . 39
6.3.3.1 Register Update Rejected . 39
6.3.3.2 Register Update results in redirection . 39
6.3.4 Register Update initiation by the network . 39
6.3.5 Register Update handling in the MS . 39
6.4 MS deregistration . 40
6.4.1 Deregistration initiated by the MS . 40
6.4.2 Reception of GA-RC DEREGISTER by GANC . 40
6.4.3 Deregistration initiated by the network . 40
6.4.4 Reception of GA-RC DEREGISTER by MS . 40
6.5 Keep alive mechanism and TU3906 handling . 42
6.6 MS Initiated Synchronization after TCP connection reestablishment . 42
6.6.1 Initiation of the Synchronization Procedure by the MS . 42
6.6.2 Processing of the Synchronization Information message by the GANC . 43
6.7 Transmission of Cell Broadcast Information . 43
7 GA-CSR elementary procedures . 43
7.1 GA-CSR Connection establishment . 43
7.1.1 Initiation of GA-CSR connection establishment by the MS . 44
7.1.2 Reception of GA-CSR REQUEST by GANC . 44
7.1.2.1 GA-CSR connection establishment request accepted . 44
7.1.2.2 GA-CSR connection establishment request rejected . 45
7.1.3 GA-CSR connection establishment response handling in the MS . 45
7.1.3.1 GA-CSR connection establishment request accepted . 45
7.1.3.2 GA-CSR connection establishment request rejected . 45
7.1.4 Failure cases. 45
7.1.4.1 Timer TU3908 expiry . 45
7.2 Upper layer message transmission . 45
7.2.1 Upper layer message forwarding by the MS . 46
7.2.2 Reception of GA-CSR UPLINK DIRECT TRANSFER by GANC . 46
7.2.3 Upper layer message forwarding by the GANC . 46
7.2.4 Reception of GA-CSR DOWNLINK DIRECT TRANSFER by the MS . 46
7.2.4.1 Invalid GA-CSR DOWNLINK DIRECT TRANSFER . 46
7.3 Paging for CS domain . 47
7.3.1 Initiation of Paging . 47
7.3.2 Reception of GA-CSR PAGING REQUEST by the MS . 47
7.3.3 Reception of GA-CSR PAGING RESPONSE by the GANC . 47
7.3.4 Abnormal Cases . 48
7.4 Traffic Channel assignment . 48
7.4.1 Initiation of Channel Assignment . 48
7.4.2 Reception of GA-CSR ACTIVATE CHANNEL by MS . 48
7.4.3 Reception of GA-CSR ACTIVATE CHANNEL ACK by GANC . 49
ETSI

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3GPP TS 44.318 version 13.0.0 Release 13 5 ETSI TS 144 318 V13.0.0 (2016-01)
7.4.4 Reception of GA-CSR ACTIVATE CHANNEL COMPLETE by MS . 49
7.4.5 Failure to establish channel by MS . 50
7.5 Release of GA-CSR. 50
7.5.1 Initiation of GA-CSR connection release by MS . 50
7.5.2 Reception of GA-CSR CLEAR REQUEST by GANC . 50
7.5.3 Initiation of GA-CSR connection release by GANC . 50
7.5.4 Reception of GA-CSR RELEASE by MS . 51
7.5.5 Failure cases. 51
7.5.5.1 Timer TU3909 expiry . 51
7.6 Classmark Indication . 52
7.6.1 Initiation of classmark interrogation by GANC . 52
7.6.2 Transmission of classmark information by MS . 52
7.7 CS handover to GAN A/Gb mode . 53
7.7.2 Reception of GA-CSR HANDOVER ACCESS by the GANC . 53
7.7.3 Successful completion of the CS handover to GAN A/Gb mode . 53
7.7.4 Reception of GA-CSR HANDOVER COMPLETE by the GANC . 54
7.7.5 MS fails to complete requested handover . 54
7.8 CS handover from GAN A/Gb mode . 54
7.8.1 Initiation . 54
7.8.2 Reception of GA-CSR HANDOVER INFORMATION by the GANC . 55
7.8.3 Reception of GA-CSR HANDOVER COMMAND by the MS . 55
7.8.4 Successful completion of the CS handover from GAN A/Gb mode . 55
7.8.5 MS fails to complete requested handover . 56
7.8.6 Reception of GA-CSR HANDOVER FAILURE by the GANC . 56
7.8.7 Abnormal Cases . 56
7.9 Ciphering configuration procedure . 56
7.9.1 Ciphering configuration initiation . 56
7.9.2 Ciphering configuration completion . 57
7.10 Channel mode modify procedure . 57
7.10.1 Normal channel mode modify procedure . 58
7.10.1.1 Initiation of the channel mode modify procedure . 58
7.10.1.2 Completion of channel mode modify procedure . 58
7.10.1.3 Abnormal cases . 58
8 GA-PSR elementary procedures . 58
8.1 GA-PSR Transport Channel (GA-PSR TC) Overview. 58
8.2 MS Initiated GA-PSR Transport Channel (GA-PSR TC) Activation . 58
8.2.1 Initiation of the GA-PSR TC Activation by the MS . 59
8.2.2 Processing of the GA-PSR TC Activation Request by the GANC . 59
8.2.3 Processing of the GA-PSR TC Activation Acknowledgment by the MS . 59
8.2.4 Abnormal Cases . 59
8.2.4.1 GA-PSR TC Activation Collision . 59
8.2.4.2 Timer TU4002 Expires during GA-PSR TC Activation . 60
8.2.4.3 GANC Receives Duplicate GA-PSR TC Activation Request . 60
8.2.4.4 GANC Rejects GA-PSR TC Activation . 60
8.2.4.5 MS Aborts GA-PSR TC Activation due to Lower Layer Failure . 60
8.3 Network Initiated GA-PSR Transport Channel (GA-PSR TC) Activation . 60
8.3.1 Initiation of the GA-PSR TC Activation by the GANC . 61
8.3.2 Processing of the GA-PSR TC Activation Request by the MS . 61
8.3.3 Processing of the GA-PSR TC Activation Acknowledgment by the GANC . 61
8.3.4 Abnormal Cases . 62
8.3.4.1 GA-PSR TC Activation Collision . 62
8.3.4.2 MS Rejects GA-PSR TC Activation when the GPRS Service is suspended . 62
8.3.4.3 MS Receives GA-PSR TC Activation Request while GA-PSR TC active . 62
8.4 MS Initiated Deactivation of GA-PSR Transport Channel . 62
8.4.1 GA-PSR TC Deactivation Initiation by the MS . 63
8.4.2 Processing of GA-PSR TC Deactivation Request by the GANC . 63
8.4.3 Processing of
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