3GPP TSG-RAN Working Group 2 meeting #96
`Reno, Nevada, US, November 14 – 18, 2016
`
`R2-167461
`
`2.2
`
`Agenda Item:
`Source:
`
` ETSI MCC
`Title:
`
`
`
`
` Report of 3GPP TSG RAN WG2 meeting #95bis,
`Kaohsiung, 10th – 14th October 2016
`Document for: Approval
`
`Report of 3GPP TSG RAN WG2 meeting #95bis
`
`held in Kaohsiung
`October 10 - 14, 2016
`
`ETSI Mobile Competence Centre (MCC)
`
`October 19, 2016
`
`Samsung Ex. 1021
`
`

`

`Report of 3GPP TSG RAN WG2 #95bis, Kaohsiung, 10th – 14th October 2016
`
`3GPP
`
`Postal address
`
`3GPP support office address
`650 Route des Lucioles - Sophia Antipolis
`Valbonne - FRANCE
`Tel.: +33 4 92 94 42 00 Fax: +33 4 93 65 47 16
`
`Internet
`http://www.3gpp.org
`
`© 2016, 3GPP Organizational Partners (ARIB, ATIS, CCSA, ETSI, TSDSI, TTA, TTC).
`All rights reserved.
`
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`Report of 3GPP TSG RAN WG2 #95bis, Kaohsiung, 10th – 14th October 2016
`
`Contents
`
`Organisation of the meeting ............................................................................................................................. 10
`Statistics/Executive Summary .......................................................................................................................... 10
`1
`Opening of the meeting (9 AM) ............................................................................................................. 11
`1
`Opening of the meeting (9 AM) ............................................................................................................. 11
`1.1
`Call for IPR ...................................................................................................................................................... 11
`1.2
`Network usage conditions ................................................................................................................................ 11
`1.3
`Other ................................................................................................................................................................ 12
`2
`General ................................................................................................................................................... 12
`2.1
`Approval of the agenda .................................................................................................................................... 12
`2.2
`Approval of the report of the previous meeting ............................................................................................... 14
`2.3
`Reporting from other meetings ........................................................................................................................ 14
`2.4
`Others ............................................................................................................................................................... 15
`3
`Incoming liaisons ................................................................................................................................... 15
`3.1
`Joint UMTS/LTE relevance ............................................................................................................................. 15
`3.2
`LTE relevance .................................................................................................................................................. 16
`3.3
`UMTS relevance .............................................................................................................................................. 17
`4
`Joint UMTS/LTE: Rel-13 and earlier releases ....................................................................................... 17
`4.1
`Joint UMTS/LTE: Rel-12 and earlier releases ................................................................................................. 17
`4.2
`Joint UMTS/LTE: Rel-13 WIs ......................................................................................................................... 18
`5
`Joint UMTS/LTE: Rel-14....................................................................................................................... 18
`5.1
`Other Joint UMTS/LTE Rel-14 WIs ................................................................................................................ 18
`5.2
`Joint UMTS/LTE TEI14 enhancements .......................................................................................................... 19
`6
`LTE: Rel-12 and earlier releases ............................................................................................................ 19
`7
`LTE: Rel-13 ........................................................................................................................................... 22
`7.1
`WI: Licensed-Assisted Access using LTE ....................................................................................................... 22
`7.2
`WI: CA enhancements ..................................................................................................................................... 22
`7.3
`WI: Single-Cell point-to-multipoint transmission ........................................................................................... 23
`7.4
`WI: Further LTE Physical Layer Enhancements for MTC .............................................................................. 23
`7.4.1
`Control Plane .............................................................................................................................................. 24
`7.4.2
`User Plane .................................................................................................................................................. 25
`7.5
`WI: ProSe enhancements ................................................................................................................................. 25
`7.6
`WI: LTE-WLAN Radio Level Integration ....................................................................................................... 25
`7.6.1
`LTE+WLAN Aggregation ......................................................................................................................... 25
`7.6.2
`Interworking Enhancements ....................................................................................................................... 27
`7.7
`WI: Multicarrier Load Distribution in LTE ..................................................................................................... 27
`7.8
`WI: Dual Connectivity Enhancements ............................................................................................................. 27
`7.9
`WI: RAN enhancements for extended DRX in LTE........................................................................................ 28
`7.10
`WI: Elevation Beamforming/Full-Dimension (FD) MIMO for LTE ............................................................... 28
`7.11
`WI: Further Enhancements of Minimization of Drive Tests for E-UTRAN .................................................... 29
`7.12
`WI: Indoor Positioning Enhancements for UTRA and LTE ............................................................................ 29
`7.13
`WI: LTE-WLAN RAN Level Integration supporting legacy WLAN ............................................................. 29
`7.14
`WI: Narrowband IOT ....................................................................................................................................... 29
`7.14.1
`Control Plane .............................................................................................................................................. 29
`7.14.2
`User Plane .................................................................................................................................................. 30
`7.15
`Other LTE Rel-13 WIs .................................................................................................................................... 30
`7.16
`LTE TEI13 enhancements ............................................................................................................................... 31
`7.16.1
`CIoT optimisations ..................................................................................................................................... 31
`7.16.2
`Other........................................................................................................................................................... 32
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`Report of 3GPP TSG RAN WG2 #95bis, Kaohsiung, 10th – 14th October 2016
`
`8
`8.1
`8.1.1
`8.1.2
`8.1.3
`8.2
`8.2.1
`8.2.2
`8.2.3
`8.3
`8.4
`8.4.1
`8.4.2
`8.4.2.1
`8.4.2.2
`8.4.2.3
`8.4.3
`8.4.3.1
`8.4.3.2
`8.5
`8.5.1
`8.5.2
`8.5.3
`8.5.4
`8.5.4.1
`8.5.4.2
`8.5.5
`8.5.6
`8.5.7
`8.6
`8.6.1
`8.6.2
`8.6.3
`8.6.4
`8.7
`8.7.1
`8.7.2
`8.7.3
`8.7.4
`8.8
`8.9
`8.9.1
`8.9.2
`8.9.3
`8.9.4
`8.9.5
`8.10
`8.10.1
`8.10.2
`8.10.3
`8.10.4
`8.10.5
`8.11
`8.11.1
`8.11.2
`8.11.3
`8.11.4
`8.12
`8.12.1
`8.12.2
`8.12.3
`8.13
`
`LTE Rel-14 ............................................................................................................................................. 33
`WI: Enhanced LAA for LTE ........................................................................................................................... 33
`Stage 2 ........................................................................................................................................................ 34
`User plane .................................................................................................................................................. 34
`Control plane .............................................................................................................................................. 37
`WI: Support for V2V services based on LTE sidelink..................................................................................... 38
`Stage 2 ........................................................................................................................................................ 38
`User plane .................................................................................................................................................. 38
`Control plane .............................................................................................................................................. 38
`Void ................................................................................................................................................................. 39
`SI: Further Enhancements to LTE Device to Device, UE to Network Relays for IoT and Wearables ............ 39
`Organisational ............................................................................................................................................ 39
`UE-to-Network Relay enhancements ......................................................................................................... 39
`Common relay architecture aspects ...................................................................................................... 39
`Non-3GPP related aspects .................................................................................................................... 40
`Other ..................................................................................................................................................... 40
`LTE sidelink enhancements ....................................................................................................................... 41
`Evaluation assumptions ........................................................................................................................ 41
`Other ..................................................................................................................................................... 41
`WI: Enhanced LTE-WLAN Aggregation (LWA) ........................................................................................... 41
`Organisational ............................................................................................................................................ 41
`Uplink over WLAN .................................................................................................................................... 42
`Mobility enhancements .............................................................................................................................. 43
`Support of 802.11ax, 802.11ad, and 802.11ay ........................................................................................... 45
`Control plane enhancements ................................................................................................................. 45
`User plane enhancements ..................................................................................................................... 45
`Feedback enhancements ............................................................................................................................. 46
`ANR for LWA............................................................................................................................................ 48
`Other........................................................................................................................................................... 48
`WI: Further mobility enhancements in LTE .................................................................................................... 48
`Organisational ............................................................................................................................................ 48
`RACH-less handover ................................................................................................................................. 49
`Make before break handover ...................................................................................................................... 49
`Other........................................................................................................................................................... 49
`WI: Further Indoor Positioning enhancements for UTRA and LTE ................................................................ 49
`OTDOA and CID/E-CID enhancements .................................................................................................... 50
`Enhancements for WLAN, Bluetooth, Barometric, and MBS ................................................................... 51
`TBS positioning based on PRS .................................................................................................................. 51
`Other........................................................................................................................................................... 52
`WI: L2 latency reduction techniques for LTE ................................................................................................. 52
`WI: Signalling reduction to enable light connection for LTE .......................................................................... 53
`Organisational ............................................................................................................................................ 53
`Signalling reduction ................................................................................................................................... 53
`Context storage/retrieval across eNBs ....................................................................................................... 54
`Paging enhancements ................................................................................................................................. 54
`Other........................................................................................................................................................... 54
`WI: eMBMS enhancements for LTE ............................................................................................................... 54
`MBSFN subframe enhancements ............................................................................................................... 55
`MBSFN dedicated carrier ........................................................................................................................... 55
`Multicarrier MBMS operation ................................................................................................................... 55
`MBMS reception without authentication ................................................................................................... 55
`Other........................................................................................................................................................... 55
`WI: Enhancements of NB-IoT ......................................................................................................................... 55
`Multicast ..................................................................................................................................................... 55
`Non-anchor PRB enhancements ................................................................................................................. 56
`Mobility enhancements .............................................................................................................................. 57
`Other........................................................................................................................................................... 57
`WI: Further Enhanced MTC for LTE .............................................................................................................. 58
`Multicast ..................................................................................................................................................... 58
`Higher data rates ........................................................................................................................................ 58
`Other........................................................................................................................................................... 58
`WI: LTE-based V2X Services ......................................................................................................................... 58
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`Report of 3GPP TSG RAN WG2 #95bis, Kaohsiung, 10th – 14th October 2016
`
`SC-PTM/MBMSFN enhancements ............................................................................................................ 59
`8.13.1
`SPS enhancements ..................................................................................................................................... 59
`8.13.2
`V2P services ............................................................................................................................................... 59
`8.13.3
`Other........................................................................................................................................................... 60
`8.13.4
`WI: SRS switching between LTE component carriers..................................................................................... 61
`8.14
`WI: Measurement Gap Enhancement for LTE ................................................................................................ 62
`8.15
`SI: Study on Context Aware Service Delivery in RAN for LTE ..................................................................... 64
`8.16
`WI: Performance enhancements for high speed scenario in LTE .................................................................... 64
`8.17
`WI: Voice and Video enhancement for LTE ................................................................................................... 65
`8.18
`Codec mode/rate selection and adaptation ................................................................................................. 66
`8.18.1
`VoLTE/ViLTE signalling optimization ..................................................................................................... 66
`8.18.2
`VoLTE quality/coverage enhancements..................................................................................................... 66
`8.18.3.
`WI: Requirements for a new UE category with single receiver based on Category 1 for LTE ....................... 66
`8.19
`WI: Uplink Capacity Enhancements for LTE .................................................................................................. 67
`8.20
`Other LTE Rel-14 WIs .................................................................................................................................... 68
`8.21
`LTE TEI14 enhancements ............................................................................................................................... 69
`8.22
`SI: Study on New Radio Access Technology ........................................................................................ 72
`9
`Organisational .................................................................................................................................................. 72
`9.1
`Radio protocol architecture .............................................................................................................................. 72
`9.2
`User plane .................................................................................................................................................. 72
`9.2.1
`Overall user plane architecture ............................................................................................................. 72
`9.2.1.1
`QoS ....................................................................................................................................................... 79
`9.2.1.2
`Other user plane aspects ....................................................................................................................... 80
`9.2.1.3
`Control plane .............................................................................................................................................. 82
`9.2.2
`States .................................................................................................................................................... 82
`9.2.2.1
`System information .............................................................................................................................. 84
`9.2.2.2
`LTE-NR tight interworking specific aspects ........................................................................................ 88
`9.2.2.3
`Other ..................................................................................................................................................... 90
`9.2.2.4
`Other architectural aspects ......................................................................................................................... 91
`9.2.3
`Mobility ........................................................................................................................................................... 92
`9.3
`Intra NR RAT ............................................................................................................................................. 92
`9.3.1
`Mobility with RRC involvement .......................................................................................................... 92
`9.3.1.1
`Mobility without RRC involvement ..................................................................................................... 94
`9.3.1.2
`UE controlled mobility ......................................................................................................................... 95
`9.3.1.3
`Other ..................................................................................................................................................... 96
`9.3.1.4
`Inter-RAT ................................................................................................................................................... 97
`9.3.2
`Other ................................................................................................................................................................ 97
`9.4
`10 UTRA Release 11 and earlier releases ................................................................................................... 98
`11 UTRA Release 12 .................................................................................................................................. 98
`12 UTRA Release 13 .................................................................................................................................. 99
`12.1
`WI: L2/L3 Downlink enhancements for UMTS .............................................................................................. 99
`12.2
`WI: Power saving enhancements for UMTS ................................................................................................... 99
`12.3
`WI: Support of EVS over UTRAN CS .......................................................................................................... 100
`12.4
`WI: Network-Assisted Interference Cancellation and Suppression for UMTS ............................................. 100
`12.5
`WI: Multiflow Enhancements for UTRA ...................................................................................................... 100
`12.6
`WI: HSPA Dual-Band UL carrier aggregation .............................................................................................. 100
`12.7
`WI: Application specific Congestion control ................................................................................................. 100
`12.8
`WI: Indoor Positioning enhancements for UTRA and LTE .......................................................................... 100
`12.9
`WI: Downlink TPC enhancements for UMTS ............................................................................................... 100
`12.10 WI: Dual Carrier HSUPA Enhancements for UTRAN CS ............................................................................ 101
`12.11
`UTRA TEI13 enhancements .......................................................................................................................... 101
`13 UTRA Rel-14 ....................................................................................................................................... 101
`13.1
`WI: RRC optimization for UMTS ................................................................................................................. 101
`13.1.1
`Filtered UPH measurements; ................................................................................................................... 101
`13.1.2
`Simultaneous RAB setup and release ....................................................................................................... 101
`13.1.3
`Others ....................................................................................................................................................... 101
`13.2
`WI: DTX/DRX enhancements in CELL_FACH ........................................................................................... 101
`13.3
`WI: Multi-Carrier Enhancements for UMTS ................................................................................................. 104
`13.4
`WI: Further Indoor Positioning Enhancements for UTRA and LTE ............................................................. 108
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`Report of 3GPP TSG RAN WG2 #95bis, Kaohsiung, 10th – 14th October 2016
`
`SI: Study on HSPA and LTE Joint Operation ................................................................................................ 108
`13.5
`WI: QoE Measurement Collection for Streaming in UTRAN ....................................................................... 110
`13.6
`TEI14 ............................................................................................................................................................. 111
`13.7
`14 Outgoing LSs and email discussions from UTRA session ................................................................... 111
`14.1
`Agreed outgoing LSs from UTRA session .................................................................................................... 111
`14.2
`Email discussions from UTRA ...................................................................................................................... 111
`15
`Comebacks ........................................................................................................................................... 111
`15.1
`LTE breakout sessions ................................................................................................................................... 111
`15.1.1
`Report from LTE Break-Out session ........................................................................................................ 111
`15.1.2
`Report from LTE Break-Out session ........................................................................................................ 112
`15.1.3
`Report from NB-IOT session ................................................................................................................... 113
`15.2
`UMTS breakout session ................................................................................................................................. 114
`15.3
`Main session .................................................................................................................................................. 114
`16 Outgoing LS from LTE and Joint ........................................................................................................ 114
`17 Any other business ............................................................................................................................... 115
`18
`Closing of the meeting (17:00) ............................................................................................................. 115
`Annex A:
`List of participants .............................................................................................................. 116
`Annex B:
`List of Tdocs ........................................................................................................................ 116
`Annex C:
`Incoming liaison statements for TSG RAN WG2 #95bis ................................................ 116
`Annex D:
`Outgoing liaison statements of TSG RAN WG2 #95bis .................................................. 120
`Annex E:
`List of agreed CRs and in principle agreed draftCRs of RAN2 #95bis ......................... 124
`Annex F:
`RAN WG2 meeting #95bis post processing ...................................................................... 132
`Email discussions/approvals ........................................................................................................................................... 132
`Annex G:
`LTE Breakout session: feD2D, V2X, V2V, LATRED ..................................................... 137
`7.5
`WI: ProSe enhancements ............................................................................................................................... 137
`8.2
`WI: Support for V2V services based on LTE sidelink................................................................................... 137
`8.2.1
`Stage 2 ...................................................................................................................................................... 137
`8.2.2
`User plane ................................................................................................................................................ 138
`8.2.3
`Control plane ............................................................................................................................................ 140
`8.4
`SI: Further Enhancements to LTE Device to Device, UE to Network Relays for IoT and Wearables .......... 142
`8.4.1
`Organisational .......................................................................................................................................... 142
`8.4.2
`UE-to-Network Relay enhancements ....................................................................................................... 142
`8.4.2.1
`Common relay architecture aspects .................................................................................................... 142
`8.4.2.2
`Non-3GPP related aspects ..........................................................................................