Report of sa wg2 meeting #114

Report of SA WG2 meeting #113

Page

Version 1.0.0

SA WG2 Meeting #113 REPORT

25 - 29 January 2016, Saint Kitts, KN

Source: Secretary of SA WG2

Title: Report of SA WG2 meetings #113

Status: Version 1.0.0 - Approved at SA WG2 meeting#114

Contents

1 Opening of the meeting 4

2 Approval of the agenda 4

2.1 IPR Call and Antitrust Reminder 4

3 Meeting reports 4

4 General 5

4.1 Common issues and Incoming LSs 5

5 Pre-Rel 14 Essential Corrections 8

5.1 3GPP Packet Access Maintenance excluding Prose / eProse 8

This agenda item was convened by Puneet Jain (Intel). 8

5.1.1 3GPP Packet Access Maintenance on Prose / eProse 18

5.2 QoS and PCC Maintenance 26

This agenda item was convened by Krisztian Kiss (Apple). 26

5.3 Non-3GPP Access Maintenance 30

This agenda item was convened by Krisztian Kiss (Apple). 30

SEW1 corrections ***Tue Q0*** 30

NBIFOM corrections ***Tue Q0*** 31

ePDG selection ***Tue Q1*** 34

MCC reporting sessions: 34

Co-existence with RAN WG2 WIs: LTE_WLAN_radio-Core (LWA) and LTE_WLAN_radio_legacy-Core (LWIP) ***Wed Q1*** 37

Precedence of information in USIM vs. ANDSF ***Thu Q0*** 40

Roaming scenario with selection of a WLAN that interworks with a service provider in EVSP ***Thu Q0*** 41

Other topics ***Thu Q0*** 42

5.4 IMS and IMS-Related Maintenance 43

This agenda item was convened by Krisztian Kiss (Apple). 43

5.5 Study on architecture enhancements of cellular systems for ultra low complexity and low throughput Internet of Things (FS_AE_CIoT) 45

5.6 Architecture enhancements for Cellular Internet of Things (CIOT) 45

Incoming LSs 46

SCEF connection Issue 50

Mobility Support 51

Support for CIoT - General Aspects 52

CIoT Procedures - Attach, Detach RAU/TAU update 54

Control Plane optimization 55

User Plane optimization 57

Support for non-IP Data 57

Other issues 58

Handle if time permits 58

6 Release 14 60

6.1 Rel 14 3GPP Packet Access Maintenance 60

6.2 Rel 14 PCC/QoS Maintenance 60

6.3 Rel 14 Non-3GPP Access Maintenance 60

6.4 Rel 14 IMS-Related Maintenance 60

6.5 Feasibility study on the Support of Emergency services over WLAN (FS_SEW) 60

This agenda item was convened by Krisztian Kiss (Apple). 60

New Key Issues and Architectural Assumptions 60

Solutions to Key Issues: IMEI check, Unauthenticated UE 61

Solutions to Key Issues: Mobility 61

Solutions to Key Issues: Location 61

The following session was convened by the SA WG2 Chairman 61

Solutions to Key Issues: ePDG selection 62

Solutions to Key Issues: Determine Emergency Call Numbers 62

Evaluation, conclusion 62

6.6 Study on S8 Home Routing Architecture for VoLTE (FS_V8) 63

Updates to solutions 63

New Solutions 65

Assumptions update 65

Evaluations and Conclusions 65

New key Issue and Solutions 68

6.7 FS on Enhancements of Dedicated Core Networks selection mechanism (FS_eDecor) 68

This agenda item was convened by Puneet Jain (Intel). 68

6.8 Feasibility Study on Control and User Plane Separation of EPC nodes (FS_CUPS) 71

Lawful interception 71

TEID and resource allocation 72

TAI list 73

IP address allocation 73

User plane function selection 74

User plane function relocation 74

Other topics 75

6.9 Study on improvement of awareness of user location change (FS_AULC) 76

This agenda item was convened by Krisztian Kiss (Apple). 76

6.10 Study on Architecture for Next Generation System (FS_NexGen) 77

TR, skeleton & definitions 78

Requirements 79

Architectural Assumptions 80

Key issue: QoS & Policy Framework 81

Key issue: Network Slicing 82

Key issue: Session Management 83

Key issue: Mobility Framework 84

Key issue: System related 84

Key issues Core/RAN functional split, Access agnostic 86

Key issue: Vertical Support related 86

Key Issue: Interworking & Migration 87

Key issue: Capability Exposure, Information Storage and others 87

Solutions 88

14 Others 88

6.11 Study on Service Domain Centralization (FS_ SeDoC) 88

This agenda item was convened by Chris Joul (T-Mobile). 88

6.12 Study on sponsored data connectivity improvements (FS_SDCI) 90

This agenda item was convened by Krisztian Kiss (Apple). 90

6.13 Study on architecture enhancements for LTE support of V2X services (FS_V2XLTE-ARCH) 92

This agenda item was convened by Puneet Jain (Intel). 92

6.14 Evolution to and interworking with eCall in IMS (EIEI-Stage2) 97

This agenda item was convened by Shabnam Sultana (Ericsson). 97

6.15 EIR check for WLAN access to EPC (EWE) 98

6.16 Study on group based enhancements in the network capability exposure functions (FS_GENCEF) 99

This agenda item was convened by Puneet Jain (Intel). 99

6.17 Study for Robust Call Setup for VoLTE subscriber in LTE (FS_RobVoLTE) 100

6.21 3GPP Packet Access Maintenance - minor corrections 103

6.22 PCC/QoS Maintenance - minor corrections 103

6.23 Non-3GPP Access Maintenance - minor corrections 103

6.24 IMS-Related Maintenance - minor corrections 103

6.26 TEI14 Category B/C - Enhancements and Improvements only - PCC/QoS 103

6.27 TEI14 Category B/C - Enhancements and Improvements only - Non-3GPP Access 103

6.28 TEI14 Category B/C - Enhancements and Improvements only - IMS; IMS-Related; Emergency; Other 103

7 Project Planning and Management 103

7.1 New and Revised Work Items; Cover sheets for completed work items 103

7.2 Review of the Work Plan 105

7.3 Planning future meetings 105

Future meeting Calendar: 105

8 AOB 105

9 Close of the Meeting 106