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Summary of Agreements by Topic

Channel Access Mechanism

• Introduction of higher layer parameters for PSCCH/PSSCH transmissions, energy detection configuration, and UE-to-UE COT sharing.
• Support for contiguous sidelink transmissions and multiple starting positions in a slot.
• Updates to SCI format 1-A for sidelink operation in shared spectrum.
• Clarifications on Type 1 LBT blocking and HARQ feedback ratio for groupcast.

Physical Channel Design Framework

• Higher layer parameters for resource pool configuration, transmission structure, and dedicated PRBs for PSFCH.
• Support for PSFCH and S-SSB transmissions over contiguous and non-contiguous RB sets.
• Updates to DCI format 3_0 for interlace RB-based PSSCH transmission.
• Clarifications on intra-cell guard bands and power allocation rules.

Co-channel Coexistence for LTE Sidelink and NR Sidelink

• Dynamic resource pool sharing to exclude overlapping resources based on RSRP thresholds.
• Synchronization alignment between NR SL slots and LTE SL subframes.
• Introduction of higher layer parameters for coexistence thresholds.

Sidelink Carrier Aggregation (CA) Operation

• Higher layer parameters for synchronization and sidelink carrier aggregation.
• Reuse of LTE SL CA synchronization and power control procedures for NR SL CA.
• Alignment of time resources for PSFCH across aggregated carriers.

Sidelink Evolution

• Maintenance updates for Rel-18 NR sidelink evolution, including resource allocation and inter-UE coordination schemes.
• No specific enhancements for alignment between reserved slots of NR SL and LTE SL.

Higher Layer Parameters

• Clarifications on intra-cell guard bands and resource allocation in the time domain.
• Updates to define starting symbols for PSCCH/PSSCH transmissions.

Inter-UE Coordination

• Support for preferred/non-preferred resources and updates to SCI format 2-C for RB set-related information.
• Alignment of UE behavior for PSFCH transmission and reception with HARQ-ACK procedures.

Power Allocation

• Equal power allocation for S-SSB transmissions across non-anchor RB sets.
• Specification of power offset between common and dedicated PRBs for PSFCH transmissions.

Miscellaneous

• Numerous text proposals endorsed to refine sidelink procedures, including resource allocation, sequence generation, and mapping.
• Draft LS endorsed to define intra-cell guard bands for shared spectrum channel access.