Content for TR 38.824 Word version: 16.0.0
2 References
3 Definitions, symbols and abbreviations
4 Introduction
5 Baseline performance achievable with Rel-15 NR URLLC
6 Layer 1 enhancements
7 UL inter UE Tx prioritization/multiplexing
8 Enhanced UL configured grant (grant free) transmissions
9 Conclusion and recommendation
A Requirements and simulation assumptions
$ Change History
2 References p. 6
3 Definitions, symbols and abbreviations p. 6
4 Introduction p. 7
5 Baseline performance achievable with Rel-15 NR URLLC p. 8
6 Layer 1 enhancements p. 19
6.1 PDCCH enhancements p. 19
6.1.1 Rel-15 NR PDCCH evaluation p. 19
6.1.2 Compact DCI p. 22
6.1.3 Increased PDCCH monitoring capability p. 26
6.1.4 PDCCH repetition p. 26
6.2 UCI enhancements p. 26
6.2.1 Enhanced HARQ feedback p. 26
6.2.1.1 More than one PUCCH for HARQ-ACK transmission within a slot p. 26
6.2.1.2 Enhanced reporting procedure/feedback for HARQ-ACK p. 26
6.2.2 Enhanced CSI feedback p. 26
6.3 PUSCH enhancements p. 27
6.3.1 Option 1: Mini-slot level repetition p. 32
6.3.2 Option 2: Multi-segment transmission p. 32
6.3.3 Option 4 p. 33
6.3.4 Option 5 p. 34
6.3.5 Option 6 p. 35
6.4 Enhancements to scheduling/HARQ/CSI processing timeline p. 35
6.4.1 Enhancements to scheduling/HARQ processing timeline p. 35
6.4.1.1 Latency analysis p. 36
6.4.1.2 Performance gain based on link-level evaluation p. 40
6.4.1.3 Performance gain based on system-level evaluation p. 40
6.4.1.4 Conclusion p. 40
6.4.2 Out-of-order HARQ-ACK and PUSCH scheduling p. 41
6.4.3 Non-periodic SR enhancement p. 42
7 UL inter UE Tx prioritization/multiplexing p. 43
7.1 Performance evaluation p. 43
7.2 Potential enhancements p. 54
8 Enhanced UL configured grant (grant free) transmissions p. 55
8.1 Performance evaluation p. 55
8.2 Potential enhancements p. 59
9 Conclusion and recommendation p. 60
9.1 Conclusion p. 60
9.2 Recommendation p. 61
A Requirements and simulation assumptions p. 62
A.1 Requirements p. 62
A.1.1 Examples of use case and requirements for electrical power distribution p. 62
A.1.2 Examples of use case and requirements for factory automation p. 63
A.1.3 Examples of use case and requirements for transport industry p. 64
A.1.4 Examples of use case and requirements for Rel-15 enabled use case (e.g. AR/VR) p. 64
A.2 System level simulation assumptions p. 65
A.2.1 Simulation assumption for electrical power distribution p. 67
A.2.2 Simulation assumption for factory automation p. 69
A.2.3 Simulation assumption for transport industry p. 71
A.2.4 Simulation assumption for Rel-15 enabled use case p. 72
A.2.5 Simulation assumption for evaluating multiplexing of eMBB and URLLC UEs sharing the same carrier p. 73
A.3 Link level simulation assumptions p. 73
A.4 Cases used for calibration of the latency results in section 6.4.1.1 p. 75
$ Change History p. 78
