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Summary of Agreements by Topic: Enabling TX/RX for XR During RRM Measurements

General Agreements

1. Dynamic Indication (Alt. 1-1):
• Explicit indication by DCI to skip a particular gap/restriction.
• Indication is included as part of scheduling DCI with a bit-field size of one bit.
• The bit in the DCI indicates whether to skip the first gap/restriction occasion after a minimum time offset between the last symbol of the PDCCH carrying the DCI format and the start of the skipped gap/restriction occasion.
2. Semi-Static Solution (Alt. 3-1):
• Configure patterns via RRC to indicate occasions where gaps/restrictions can be skipped.
• Patterns can be based on periodicity, offset, duration, or bitmap.
3. UE Assistance Information:
• No consensus to support UE assistance information related to measurement occasions, channel conditions, traffic, or UE mobility.
• RAN1 defers further work on UE assistance information to other working groups.

Explicit Indication by DCI

1. Bit Value Interpretation:
• Bit value "1" indicates the corresponding gap/restriction occasion is to be skipped.
• Two options for bit value "0":
• Option 1: UE ignores the indication of this field in the DCI.
• Option 2: UE behavior for the corresponding gap/restriction occasion is as per legacy behavior.
2. DCI Formats:
• Explicit indication can be included in DCI formats 0_1/1_1, 0_2/1_2, and 0_3/1_3.
• Skipping indication corresponds to the first gap/restriction occasion among co-scheduled cells by the DCI (Type-1C field).
• Applies only for intra-band CA cases (same SCS for cells in the set of co-scheduled cells).
3. Cross-Carrier Scheduling:
• For explicit indication by DCI to skip a particular gap/restriction, one bit indication corresponds to a scheduled cell.
• If CIF field is present, the scheduled cell for the skipping indication is determined by CIF field.
• If CIF field is not present, the scheduled cell for the skipping indication is the scheduling cell.

Measurement Gap/Restriction Handling

1. Skipping Measurement Gaps:
• If a measurement gap/restriction is indicated to be skipped by explicit indication by DCI, TX/RX is enabled on all serving cells in the applicable range of the skipped measurement gap/restriction.
• Applicable range is based on RAN4 specifications.
2. Partial Cancellation:
• From RAN1 perspective, partial cancellation/skipping of occasions of gaps/restrictions caused by RRM measurements is not supported in Release 19.

Higher Layer Signaling

1. Configuration of Skipping Indication:
• Explicit indication can be configured for each DCI format individually by higher layer.
• If skipping field is configured to DCI format 0_3/1_3, only intra-band cells with the same SCS can be co-scheduled.
2. Impact on RRM Performance:
• RAN4 to consider the impact of skipping measurement occasions on RRM performance.

Final Notes

• Agreements are subject to further refinement and validation by RAN4 and other working groups.
• RAN1 continues to focus on solutions agnostic to types of gaps/restrictions caused by RRM measurements.