R1-171xxxx
`
`3GPP TSG RAN WG1 Meeting #91
`Reno, USA, 27th November – 1st December 2017
`
`2
`
`Source:
`
`Title:
`
`
`Document for:
`
`
`
`
`MCC Support
`
`Draft Report of 3GPP TSG RAN WG1 #90bis v0.1.0
`(Prague, Czech Rep, 9th – 13th October 2017)
`
`Comments
`
`
`
`
`
`
`
`1
`
` Ex. 1014
`APPLE INC. / Page 1 of 174
`
`
`
`3GPP TSG RAN WG1 Meeting #91
`Reno, USA, 27th November – 1st December 2017
`
`2
`
`Source:
`
`Title:
`
`
`Document for:
`
`
`
`
`MCC Support
`
`Draft Report of 3GPP TSG RAN WG1 #90bis v0.1.0
`(Prague, Czech Rep, 9th – 13th October 2017)
`
`Comments
`
`
`
`
`
`
`
`1
`
` Ex. 1014
`APPLE INC. / Page 1 of 174
`
`
`
`3GPP TSG RAN WG1 Meeting #91
`Reno, USA, 27th November – 1st December 2017
`
`Table of contents
`
`R1-171xxxx
`
` 1
`
` OPENING OF THE MEETING ................................................................................................................................................. 7
`1.1
`CALL FOR IPR .......................................................................................................................................................................... 7
`1.2
`COMPETITION LAW STATEMENT .................................................................................................................................................. 7
`1.3
`NETWORK USAGE CONDITIONS.................................................................................................................................................... 7
`1.4
`CHECK-IN FOR REGISTERED DELEGATES ........................................................................................................................................ 7
`1.5
`ASPECTS RELATED TO RAN1 MEETING MANAGEMENT .................................................................................................................... 8
`APPROVAL OF AGENDA ...................................................................................................................................................... 8
`2
`3 HIGHLIGHTS FROM RAN PLENARY ...................................................................................................................................... 8
`4
`APPROVAL OF MINUTES FROM PREVIOUS MEETINGS ........................................................................................................ 8
`5
`INCOMING LIAISON STATEMENTS....................................................................................................................................... 8
`6
`E-UTRA.............................................................................................................................................................................. 10
`6.1 MAINTENANCE OF E-UTRA RELEASES 8 – 14 ............................................................................................................................. 10
`6.1.1
`Maintenance of E-UTRA Release 8 – 13 .................................................................................................................... 10
`6.1.2
`Maintenance of Release 14 Enhanced Licensed-Assisted Access to Unlicensed Spectrum ....................................... 12
`6.1.3
`Maintenance of Release 14 V2V/V2X services based on LTE sidelink ....................................................................... 12
`6.1.4
`Maintenance of Release 14 Full-Dimension MIMO for LTE ....................................................................................... 12
`6.1.5
`Maintenance of Release 14 Further Enhanced MTC for LTE ..................................................................................... 14
`6.1.6
`Maintenance of Release 14 Enhancements of NB-IoT for LTE .................................................................................. 14
`6.1.7
`Other ......................................................................................................................................................................... 17
`6.2
`LTE RELEASE 15 .................................................................................................................................................................... 17
`6.2.1
`Shortened TTI and processing time for LTE - WID in RP-171468 ............................................................................... 18
`6.2.1.1
`Shortened processing time for 1ms TTI .................................................................................................................................... 18
`6.2.1.1.1 Configuration of shortened processing time for 1ms TTI .................................................................................................... 18
`1.1.1.1.1 Handling collisions between n+4 and n+3 ........................................................................................................................... 19
`1.1.1.1.2 UL DCI for asynchronous UL HARQ...................................................................................................................................... 19
`1.1.1.1.3 Other ................................................................................................................................................................................... 20
`6.2.1.2
`Shortened TTI with shortened processing time ........................................................................................................................ 20
`6.2.1.2.1 Aspects related to interaction between different TTI lengths ............................................................................................ 20
`1.1.1.1.4 DL control channel design ................................................................................................................................................... 21
`1.1.1.1.5 UL control channel design ................................................................................................................................................... 28
`1.1.1.1.6 DL data channel design ....................................................................................................................................................... 33
`1.1.1.1.7 UL data channel design ....................................................................................................................................................... 35
`1.1.1.1.8
`FS2 aspects .......................................................................................................................................................................... 37
`1.1.1.1.9 Other ................................................................................................................................................................................... 39
`6.2.1.3 Maximum TA and processing time............................................................................................................................................ 40
`6.2.1.4
`Other ......................................................................................................................................................................................... 41
`6.2.2
`Enhancements to LTE operation in unlicensed spectrum - WID in RP-170848 .......................................................... 41
`6.2.2.1 Multiple starting positions in a subframe for DL....................................................................................................................... 41
`6.2.2.2 Multiple starting and ending positions in a subframe for UL .................................................................................................... 42
`6.2.2.3
`Autonomous uplink access with Frame Structure type 3 ......................................................................................................... 42
`6.2.2.3.1 Resource allocation for autonomous UL access .................................................................................................................. 42
`6.2.2.3.2 HARQ for autonomous uplink access .................................................................................................................................. 43
`6.2.2.3.3 Channel access for autonomous UL access ......................................................................................................................... 44
`6.2.2.3.4 Other ................................................................................................................................................................................... 44
`6.2.3
`3GPP V2X Phase 2 - WID in RP-171740 ..................................................................................................................... 44
`6.2.3.1
`Carrier Aggregation (up to 8 PC5 carriers) ................................................................................................................................ 44
`6.2.3.1.1 Mode-4 support .................................................................................................................................................................. 44
`6.2.3.1.2
`Synchronization ................................................................................................................................................................... 45
`6.2.3.1.3 Others ................................................................................................................................................................................. 46
`6.2.3.2
`Support for 64-QAM ................................................................................................................................................................. 46
`6.2.3.3
`Feasibility and gain of PC5 operation with Transmit Diversity .................................................................................................. 47
`6.2.3.3.1 Transmit diversity solutions ................................................................................................................................................ 47
`6.2.3.3.2 Evaluation results ................................................................................................................................................................ 47
`6.2.3.3.3 Other ................................................................................................................................................................................... 47
`6.2.3.4
`Other ......................................................................................................................................................................................... 47
`
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`2
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` Ex. 1014
`APPLE INC. / Page 2 of 174
`
`
`
`R1-171xxxx
`
`3GPP TSG RAN WG1 Meeting #91
`Reno, USA, 27th November – 1st December 2017
`
`6.2.4
`Enhancements for high capacity stationary wireless link and introduction of 1024 QAM for LTE - WID in RP-171738
`48
`
`Support for 1024QAM for DL channels ..................................................................................................................................... 48
`6.2.4.1
`DMRS overhead reduction ........................................................................................................................................................ 49
`6.2.4.2
`Even further enhanced MTC for LTE - WID in RP-171427 .......................................................................................... 49
`6.2.5
`Reduced system acquisition time ............................................................................................................................................. 49
`6.2.5.1
`Early data transmission ............................................................................................................................................................. 50
`6.2.5.2
`Downlink channel power efficiency .......................................................................................................................................... 50
`6.2.5.3
`Uplink HARQ-ACK feedback ...................................................................................................................................................... 51
`6.2.5.4
`Increased PDSCH spectral efficiency ......................................................................................................................................... 51
`6.2.5.5
`Increased PUSCH spectral efficiency ......................................................................................................................................... 52
`6.2.5.6
`Other ......................................................................................................................................................................................... 52
`6.2.5.7
`Further enhancements of NB-IoT - WID in RP-172063. ............................................................................................. 52
`6.2.6
`Latency and power consumption reduction ............................................................................................................................. 52
`6.2.6.1
`6.2.6.1.1 Power consumption reduction for paging and connected-mode DRX ................................................................................ 53
`6.2.6.1.2 Data transmission during the random access procedure .................................................................................................... 54
`6.2.6.2
`Reduced system acquisition time ............................................................................................................................................. 55
`6.2.6.2.1 Cell search ........................................................................................................................................................................... 55
`6.2.6.2.2
`System Information ............................................................................................................................................................. 55
`6.2.6.3
`TDD ........................................................................................................................................................................................... 56
`6.2.6.3.1 Downlink aspects ................................................................................................................................................................ 56
`6.2.6.3.2 Uplink aspects ..................................................................................................................................................................... 57
`6.2.6.3.3 Common aspects ................................................................................................................................................................. 57
`6.2.6.4
`Other ......................................................................................................................................................................................... 58
`6.2.7
`Enhanced Support for Aerial Vehicles - SID in RP-171050 ......................................................................................... 58
`6.2.7.1
`Baseline Evaluation Results....................................................................................................................................................... 58
`6.2.7.2
`DL Interference Mitigation ........................................................................................................................................................ 59
`6.2.7.3
`UL Interference Mitigation ....................................................................................................................................................... 60
`6.2.7.4
`Interference Detection ............................................................................................................................................................. 60
`6.2.7.5
`Evaluation Results on Reliability ............................................................................................................................................... 61
`6.2.7.6
`Other ......................................................................................................................................................................................... 61
`6.2.8
`UE positioning accuracy enhancements for LTE - WID in RP-171508........................................................................ 61
`6.2.9
`Ultra Reliable Low Latency Communication for LTE - WID in RP-171489 ................................................................. 62
`6.2.9.1
`Targeted reliability and latency requirements .......................................................................................................................... 62
`6.2.9.2
`Evaluations scenarios ................................................................................................................................................................ 62
`6.2.9.3
`Other ......................................................................................................................................................................................... 63
`7 NR - WID IN RP-172115 ..................................................................................................................................................... 63
`7.1
`INITIAL ACCESS AND MOBILITY ................................................................................................................................................... 64
`7.1.1
`Remaining Details on Synchronization signal ........................................................................................................... 64
`7.1.2
`Remaining Details on Broadcast signal/channel ....................................................................................................... 65
`7.1.2.1
`Remaining details on NR-PBCH ................................................................................................................................................. 65
`7.1.2.2
`Remaining details on Remaining minimum system information .............................................................................................. 67
`7.1.2.3
`Other system information delivery ........................................................................................................................................... 70
`7.1.3
`Paging design ............................................................................................................................................................ 70
`7.1.4
`Physical random access channel and random access procedure .............................................................................. 71
`7.1.4.1
`Remaining details on PRACH formats ....................................................................................................................................... 71
`7.1.4.2
`Remaining details on RACH procedure ..................................................................................................................................... 73
`7.1.5
`Mobility procedure .................................................................................................................................................... 76
`7.1.5.1
`Remaining details on measurement for mobility management ............................................................................................... 76
`7.1.5.2
`Radio link monitoring for mobility management ...................................................................................................................... 78
`7.1.6
`Other ......................................................................................................................................................................... 80
`7.2 MIMO ................................................................................................................................................................................ 80
`7.2.1
`Multi-antenna scheme .............................................................................................................................................. 80
`7.2.1.1
`Remaining details on codeword mapping ................................................................................................................................. 80
`7.2.1.2
`Codebook based transmission for UL ....................................................................................................................................... 81
`7.2.1.3
`Non-codebook based transmission for UL ................................................................................................................................ 83
`7.2.1.4
`PRB bundling for DL .................................................................................................................................................................. 84
`7.2.1.5
`Other ......................................................................................................................................................................................... 85
`7.2.2
`CSI acquisition and beam management .................................................................................................................... 85
`7.2.2.1
`CSI measurement ...................................................................................................................................................................... 85
`7.2.2.2
`CSI reporting ............................................................................................................................................................................. 87
`7.2.2.3
`Beam measurement and reporting ........................................................................................................................................... 89
`3
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`
`
` Ex. 1014
`APPLE INC. / Page 3 of 174
`
`
`
`R1-171xxxx
`
`3GPP TSG RAN WG1 Meeting #91
`Reno, USA, 27th November – 1st December 2017
`
`7.2.2.4 Mechanism to recover from beam failure ................................................................................................................................ 91
`7.2.2.5
`CQI and MCS ............................................................................................................................................................................. 93
`7.2.2.6
`Other ......................................................................................................................................................................................... 94
`7.2.3
`Reference signals and QCL ........................................................................................................................................ 95
`7.2.3.1 Multiplexing of different types of RSs ....................................................................................................................................... 95
`7.2.3.2
`Remaining details on CSI-RS ...................................................................................................................................................... 96
`7.2.3.3
`Remaining details on DMRS ...................................................................................................................................................... 97
`7.2.3.4
`Remaining details on PT-RS..................................................................................................................................................... 100
`7.2.3.5
`Remaining details on SRS ........................................................................................................................................................ 102
`7.2.3.6
`Remaining details on TRS ........................................................................................................................................................ 105
`7.2.3.7
`Remaining details on QCL ....................................................................................................................................................... 106
`7.2.3.8
`Other ....................................................................................................................................................................................... 107
`7.2.4
`Other ....................................................................................................................................................................... 107
`7.3
`SCHEDULING/HARQ ASPECTS ................................................................................................................................................ 107
`7.3.1
`Physical downlink control channel .......................................................................................................................... 107
`7.3.1.1
`PDCCH structure ..................................................................................................................................................................... 108
`7.3.1.2
`Search space ........................................................................................................................................................................... 110
`7.3.1.3
`Remaining details on group-common PDCCH ......................................................................................................................... 111
`7.3.1.4
`DCI contents and formats ....................................................................................................................................................... 114
`7.3.1.5
`Other ....................................................................................................................................................................................... 115
`7.3.2
`Physical uplink control channel ............................................................................................................................... 115
`7.3.2.1
`PUCCH structure in short-duration ......................................................................................................................................... 115
`7.3.2.1.1
`Short-PUCCH for UCI of up to 2 bits .................................................................................................................................. 116
`7.3.2.1.2
`Short-PUCCH for UCI of more than 2 bits .......................................................................................................................... 117
`7.3.2.1.3
`Support of short-PUCCH over 2 OFDM symbols ................................................................................................................ 118
`7.3.2.2
`PUCCH structure in long-duration........................................................................................................................................... 118
`7.3.2.2.1
`Long-PUCCH for UCI of up to 2 bits ................................................................................................................................... 118
`7.3.2.2.2
`Long-PUCCH for UCI of more than 2 bits ........................................................................................................................... 120
`7.3.2.2.3
`Support of long-PUCCH over multiple slots....................................................................................................................... 122
`7.3.2.3
`UCI multiplexing ...................................................................................................................................................................... 123
`7.3.2.4
`Resource allocation for PUCCH ............................................................................................................................................... 125
`7.3.2.5
`Other ....................................................................................................................................................................................... 126
`7.3.3
`DL/UL data scheduling and HARQ procedure.......................................................................................................... 127
`7.3.3.1
`DL/UL resource allocation ....................................................................................................................................................... 127
`7.3.3.2
`DL/UL scheduling and HARQ management ............................................................................................................................. 129
`7.3.3.3
`CBG-based (re)transmission.................................................................................................................................................... 131
`7.3.3.4
`UL data transmission procedure ............................................................................................................................................. 132
`7.3.3.5
`Soft-buffer management for NR ............................................................................................................................................. 134
`7.3.3.6 Multiplexing data with different transmission durations ....................................................................................................... 134
`7.3.3.7
`Other ....................................................................................................................................................................................... 136
`7.3.4
`Other aspects on carrier aggregation and bandwidth parts ................................................................................... 136
`7.3.4.1
`Other aspects on bandwidth Parts.......................................................................................................................................... 136
`7.3.4.2
`Other aspects on carrier aggregation ..................................................................................................................................... 139
`7.3.5
`Rate matching aspects for NR DL and UL ................................................................................................................ 140
`7.3.6
`Other ....................................................................................................................................................................... 141
`7.4
`CHANNEL CODING ................................................................................................................................................................ 141
`7.4.1
`LDPC code ................................................................................................................................................................ 141
`7.4.1.1
`Remaining issues of bit-level interleaver ................................................................................................................................ 141
`7.4.1.2
`RV order for special cases ....................................................................................................................................................... 142
`7.4.1.3
`Other ....................................................................................................................................................................................... 142
`7.4.2
`Polar code................................................................................................................................................................ 144
`7.4.2.1
`Remaining issues of code construction ................................................................................................................................... 144
`7.4.2.2
`Remaining details of DL channel interleaver .......................................................................................................................... 145
`7.4.2.3
`Other ....................................................................................................................................................................................... 145
`7.4.3
`PBCH ........................................................................................................................................................................ 146
`7.4.4
`Other ....................................................................................................................................................................... 146
`7.5
`NR-LTE CO-EXISTENCE ......................................................................................................................................................... 147
`7.6
`UL POWER CONTROL ............................................................................................................................................................ 149
`7.6.1
`NR power control framework .................................................................................................................................. 149
`7.6.2
`Other ..............................................
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