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Summary of Agreements by Topic
Initial Access Aspects
- Support for Discovery Burst Transmission Window (DBTW) for
120 kHz SCS, with parameter indication using subCarrierSpacingCommon and
potentially pdcch-ConfigSIB1 or spare-bit fields.
- SSB slot patterns for 480/960 kHz SCS include first
symbols {2, 9} + 14*n, with non-contiguous slot patterns and scaled gaps.
- PRACH configuration supports PRACH length L=571 for 480
kHz, with no gap between consecutive ROs for 480/960 kHz PRACH.
- Multiplexing pattern 1 supported for CORESET#0/Type0-PDCCH
configurations at 480 and 960 kHz SCS.
- No explicit indication of licensed/unlicensed operation in
MIB or PBCH payload.
PDCCH Monitoring Enhancements
- Multi-slot PDCCH monitoring based on slots within a slot
group, with mandatory BD/CCE budget reporting for X=4/8 slots (480/960 kHz
SCS).
- Group (1) search spaces restricted to Y consecutive slots
within a slot group, while Group (2) search spaces can be configured
anywhere within the slot group.
- Type0-PDCCH monitoring options include monitoring in slot
n0 only or slots n0 and n0+1.
PUCCH Formats 0/1/4 Enhancements
- Sub-PRB interlaced mapping (Alt-2) not supported for
PF0/1, and DMRS for enhanced PF4 uses all REs within each RB.
- RRC parameter configures the number of RBs per PUCCH
resource, with a maximum of 16 RBs for 120, 480, and 960 kHz SCS.
- No enhancement to cyclic shift definition for PF0/1.
Beam Management for New SCSs
- Candidate values for maxNumberRxTxBeamSwitchDL include 1,
4, and 7 for 960 kHz, with beam switching time delays of 28 symbols for
120 kHz and 56/112 symbols for 480 kHz.
- Single DCI field ‘Transmission Configuration Indication’
indicates one or two TCI states for multi-PDSCH scheduling.
- Minimum guard period Y between two SRS resources supported
for 480/960 kHz.
PDSCH/PUSCH Enhancements
- Timing parameters for k0, k1, and k2 defined with ranges:
k0 (0 ~ 128), k1 (-1 ~ 127 for DCI format 1_1; 0 ~ 127 for DCI format
1_2), and k2 (0 ~ 128).
- CSI computation delay adopts Z1, Z2, and Z3 values to
maintain the same absolute time duration as 120 kHz SCS.
- No support for increased PTRS frequency density for
CP-OFDM or PTRS enhancement for DFT-s-OFDM.
- HARQ process number applied to the first valid PDSCH/PUSCH
scheduled by a DCI.
- Maximum number of PDSCHs/PUSCHs scheduled by a single DCI
is 8 for 120, 480, and 960 kHz SCS.
Channel Access Mechanism
- Single energy measurement within 8us deferral period
supported.
- COT sharing supports scenarios with no maximum gap or a
defined maximum gap Y requiring Cat 2 LBT.
- UE uses the same beam for sensing and transmission if beam
correspondence is indicated.
- Extend Rel.16 L3-RSSI to unlicensed operation in FR2-2,
with RRC configuration for reference SCS, measurement duration, and
bandwidth.
- No consensus to explicitly support single LBT covering
multiple CCs under CA.
Other Topics
- No explicit indication of licensed/unlicensed operation
via synchronization raster entries.
- No support for PTRS enhancement for CP-OFDM or DFT-s-OFDM
in Rel-17.
- No additional candidate values for timeDurationForQCL,
beamSwitchTiming, and beamReportTiming.