From a898c18ddcbdae4a3ad6026dc6bc31e5741fdc95 Mon Sep 17 00:00:00 2001 From: Thomas Schlichter Date: Fri, 24 Oct 2025 10:43:25 +0200 Subject: [PATCH] Update NTN in Feature Set --- doc/FEATURE_SET.md | 24 +++++++++++++++++++++--- 1 file changed, 21 insertions(+), 3 deletions(-) diff --git a/doc/FEATURE_SET.md b/doc/FEATURE_SET.md index 4551bc1ff2..df1cb60af4 100644 --- a/doc/FEATURE_SET.md +++ b/doc/FEATURE_SET.md @@ -125,13 +125,14 @@ These modes of operation are supported: - MAC downlink scheduler - phy-test scheduler (fixed allocation and usable also without UE) - regular scheduler with dynamic proportionally-fair allocation - - MCS adaptation from HARQ BLER + - MCS adaptation from HARQ BLER or SSB-SINR report - MAC header generation (including timing advance) - ACK/NACK handling and HARQ procedures for downlink - MAC uplink scheduler - phy-test scheduler (fixed allocation) - regular scheduler with dynamic proportionally-fair allocation - HARQ procedures for uplink + - MCS adaption from HARQ BLER or PUSCH SINR - Scheduler procedures for SRS reception - Periodic SRS reception - Channel rank computation up to 2x2 scenario @@ -149,7 +150,12 @@ These modes of operation are supported: - RedCap SIB1 v17 IEs supported - Coexistence of RedCap and Normal UEs - Handling of RedCap capability for small PDCP/RLC SN size -- Scheduling of SIBs (2, 19) +- Scheduling of other SIBs (2, 19) +- NTN + - Support downlinkHARQ-FeedbackDisabled-r17 + - Support for 32 PDSCH and PUSCH HARQ processes per UE + - Consider ntn-Config-r17.cellSpecificKoffset-r17 in scheduling + - Function-based interface for ntn-Config-r17 updates (used by NTN-LEO RFsimulator) ## gNB RLC @@ -296,7 +302,8 @@ These modes of operation are supported: - non-blind synchronization (information required: carrier frequency, bandwidth, numerology) - option to search SSB inside the bandwidth available * Time tracking based on PBCH DMRS -* Frequency offset estimation based on PSS and SSS +* Initial Frequency offset estimation based on PSS and SSS +* Continuous Frequency offset estimation and compensation based on PBCH DMRS * 15kHz and 30kHz SCS for FR1 and 120 kHz SCS for FR2 * Reception of NR-PSS/NR-SSS * NR-PBCH supports multiple SSBs and flexible periodicity @@ -342,6 +349,10 @@ These modes of operation are supported: - Support for multiple gNB reception with gNBs synced via GPSDO * NR-PRACH - Formats 0,1,2,3, A1-A3, B1-B3 +* NTN + - TA adjustemt based on ntn-Config-r17 information + - Autonomous TA adjustemt between SIB19 receptions based on DL time tracking + - UL Doppler pre-compensation based on continuous DL FO estimation * Highly efficient 3GPP compliant LDPC encoder and decoder (BG1 and BG2 are supported) * Highly efficient 3GPP compliant polar encoder and decoder * Encoder and decoder for short block @@ -397,6 +408,10 @@ These modes of operation are supported: - Periodic and aperiodic SRS transmission * Bandwidth part (BWP) operation - Operation in configured dedicated BWP through RRCSetup or RRCReconfiguration +* NTN + - Support downlinkHARQ-FeedbackDisabled-r17 + - Support for 32 PDSCH and PUSCH HARQ processes + - Consider ntn-Config-r17.cellSpecificKoffset-r17 in scheduling ## UE RLC @@ -437,6 +452,9 @@ These modes of operation are supported: - RRCReestablishmentRequest/RRC Reestablishment/Reestablishment complete - Support for master cell group configuration - Reception of UECapabilityEnquiry, encoding and transmission of UECapability +* NTN according to 38.331 Rel.17 + - Reception of ntn-Config-r17 from SIB19 or reconfigurationWithSync + - Handling of ntn-UlSyncValidityDuration-r17 in SIB19 * Interface with PDCP: configuration, DCCH and CCCH message handling * Interface with RLC and MAC for configuration