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Summary of Agreements by Topic

9.3.1 Evaluation on NR Duplex Evolution

1. Semi-Static SBFD Evaluation Results:
• Detailed evaluation results for all sub-cases moved to Annex section of TR38.858.
• Summary of observations retained in the body of the TR for each deployment case and scenario.
• Sub-cases with no less than 3 sources (Case 1) or 2 sources (Cases 3-2 and 4) prioritized for conclusions.
• Observations include performance impacts of antenna configurations, BS TX power, and BS noise figure models.
2. Coverage Performance for UL:
• Semi-static SBFD with PUSCH repetition type A provides UL coverage gain of 5.41dB (FR1) and 6.92dB (FR2-1).
• Semi-static SBFD with TBoMS provides UL coverage gain of 5.09dB (FR1) and 5.72dB (FR2-1).
3. BS Noise Figure Model:
• Piece-wise linear model based on total received power (P) agreed for FR1 and FR2-1 scenarios.
• Fixed noise figure values recommended for evaluation: 5dB (FR1) and 10dB (FR2-1).
4. CLI Handling for SBFD:
• gNB-to-gNB and UE-to-UE co-channel CLI handling schemes studied, including coordinated scheduling and spatial domain coordination.
• Specification impacts identified for CLI handling schemes.
5. Dynamic SBFD:
• Dynamic SBFD can adapt better to UL/DL traffic loads but may increase complexity and require additional specification efforts.
• Options for dynamic SBFD include scheduling DCI, non-scheduling DCI, or MAC-CE for symbol indication.

9.3.2 Subband Non-Overlapping Full Duplex

1. SBFD Operation:
• SBFD operation Alt 4 deemed feasible for RRC_CONNECTED state, with specification impacts identified for SBFD-aware UEs.
• SBFD-aware UEs coexist with non-SBFD-aware UEs, including legacy UEs.
2. Random Access in SBFD Symbols:
• Random access in SBFD symbols may reduce latency and collision probability but could introduce UE-to-UE CLI.
• Specification impacts expected for PRACH and Msg3 transmissions in SBFD symbols.
3. Dynamic SBFD:
• Dynamic SBFD may increase complexity and require additional specification impacts.
• Options for dynamic SBFD include scheduling DCI, non-scheduling DCI, or MAC-CE.
4. CLI Measurement:
• CLI measurement methods studied for inter-UE inter-subband CLI, including RSRP/RSSI measurements within UL subband.
5. Resource Allocation:
• For PRG overlapping subband boundaries, partial PRG usage improves scheduling flexibility but may degrade channel estimation quality.

9.3.33 Potential Enhancements on Dynamic/Flexible TDD

1. CLI Handling Schemes:
• gNB-to-gNB co-channel CLI handling schemes studied, including UL resource muting, spatial domain coordination, and power control.
• Specification impacts identified for CLI handling schemes.
2. UE-to-UE CLI Measurement:
• L1/L2 based CLI measurement optimized for short-term interference measurement and low latency.
• Specification impacts identified for periodic/semi-persistent/aperiodic measurement resources and reporting.
3. Performance Observations:
• Knowledge among gNBs of semi-static SBFD time and frequency configuration can be beneficial depending on implementation.
• UL resource muting can reduce interference during CLI measurement but may incur UL performance loss.
4. Dynamic TDD:
• Dynamic TDD enhancements studied, including coordinated scheduling and spatial domain coordination.
• Specification impacts identified for CLI handling schemes.

General Observations

1. Performance Evaluation Results:
• Median values used to summarize observations for DL/UL Average-UPT gains/losses.
• Reasons for gains/losses and number of sources included in conclusions.
2. Specification Impacts:
• Specification impacts identified for SBFD-aware UE behaviors, CLI handling schemes, and dynamic/flexible TDD enhancements.
3. Simulation Results:
• Results captured in TR38.858 for semi-static SBFD, dynamic SBFD, and dynamic TDD, including CLI handling schemes.
4. Final TR Submission:
• TR38.858 updated to reflect all RAN1 agreements, with final checks by companies before submission.

This summary provides a comprehensive overview of the agreements across the topics discussed in the document.