From 509d9dd06c1c62793f307738ae4aa73190a1fbed Mon Sep 17 00:00:00 2001 From: Robert Schmidt Date: Mon, 24 Jul 2023 16:37:09 +0200 Subject: [PATCH] Update FEATURE_SET.md --- doc/FEATURE_SET.md | 33 +++++++++++++++++++++------------ 1 file changed, 21 insertions(+), 12 deletions(-) diff --git a/doc/FEATURE_SET.md b/doc/FEATURE_SET.md index f8d9c460d4..e075aee817 100644 --- a/doc/FEATURE_SET.md +++ b/doc/FEATURE_SET.md @@ -229,13 +229,12 @@ The NAS layer is based on **3GPP 24.301** and implements the following functions The following features are valid for the gNB and the 5G-NR UE. -* Static TDD, -* FDD +* Static TDD, FDD * Normal CP * Subcarrier spacings: 15 and 30kHz (FR1), 120kHz (FR2) -* Bandwidths: 10, 20, 40, 80, 100MHz (273 Physical Resource Blocks) +* Bandwidths: 10, 20, 40, 60, 80, 100MHz * Intermediate downlink and uplink frequencies to interface with IF equipment -* Procedures for 2-layer DL MIMO +* Procedures for 2-layer DL and UL MIMO * Slot format: 14 OFDM symbols in UL or DL * Highly efficient 3GPP compliant LDPC encoder and decoder (BG1 and BG2 supported) * Highly efficient 3GPP compliant polar encoder and decoder @@ -300,13 +299,13 @@ The following features are valid for the gNB and the 5G-NR UE. - Scheduler procedures for CSI-RS - MAC downlink scheduler - phy-test scheduler (fixed allocation and usable also without UE) - - regular scheduler with dynamic allocation + - regular scheduler with dynamic proportionally-fair allocation - MCS adaptation from HARQ BLER - 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 allocation + - regular scheduler with dynamic proportionally-fair allocation - HARQ procedures for uplink - Scheduler procedures for SRS reception - Periodic SRS reception @@ -317,7 +316,7 @@ The following features are valid for the gNB and the 5G-NR UE. - evaluation of CQI report - MAC scheduling of SR reception - Bandwidth part (BWP) operation - - Handle multiple dedicated BWPs + - Handle multiple dedicated BWPs, supports one UE - BWP switching through RRCReconfiguration method **gNB RLC** @@ -347,20 +346,19 @@ The following features are valid for the gNB and the 5G-NR UE. - Reflective QoS flow to DRB mapping for UL SDAP data PDUs **gNB RRC** -- NR RRC (38.331) Rel 16 messages using new asn1c +- NR RRC (38.331) Rel 17 messages using new [asn1c](https://github.com/mouse07410/asn1c) - LTE RRC (36.331) also updated to Rel 15 - Generation of CellGroupConfig (for eNB) and MIB - Generation of system information block 1 (SIB1) - Generation of system information block 2 (SIB2) - Application to read configuration file and program gNB RRC - RRC can configure PDCP, RLC, MAC -- Interface with gtp-u (tunnel creation/handling for S1-U (NSA), N3 (SA) interfaces) +- Interface with GTP-U (tunnel creation/handling for S1-U (NSA), N3 (SA) interfaces) - Integration of RRC messages and procedures supporting UE 5G SA connection - RRCSetupRequest/RRCSetup/RRCSetupComplete - RRC Uplink/Downlink Information transfer carrying NAS messages transparently - RRC Reconfiguration/Reconfiguration complete - RRC Reestablishment/Reestablishment complete - - Paging - Support for master cell group configuration - Interface with NGAP for the interactions with the AMF - Interface with F1AP for CU/DU split deployment option @@ -369,7 +367,7 @@ The following features are valid for the gNB and the 5G-NR UE. **gNB X2AP** - Integration of X2AP messages and procedures for the exchanges with the eNB over X2 interface supporting the NSA setup according to 36.423 Rel. 15 - X2 setup with eNB - - Handling of SgNB Addition Request / Addition Request Acknowledge / Reconfiguration Complete + - Handling of SgNB Addition Request/Addition Request Acknowledge/Reconfiguration Complete **gNB NGAP** @@ -390,12 +388,21 @@ The following features are valid for the gNB and the 5G-NR UE. - F1 DL/UL RRC message transfer - F1 Initial UL RRC message transfer - F1 UE Context setup request/response + - F1 UE Context modification request/response + - F1 UE Context release - F1 gNB CU configuration update - Interface with RRC - Interface with gtp-u (tunnel creation/handling for F1-U interface) +**gNB E1AP** +- Integration of E1AP messages and procedures for exchange between CU-CP and CU-UP according to 38.463 Rel. 16 + - gNB-CU-UP E1 Setup Setup request/response + - E1 Bearer Context Setup + - Bearer Context Modification (gNB-CU-CP initiated) +- Interface with RRC and PDCP + **gNB GTP-U** -- New gtp-u implementation supporting both N3 and F1-U interfaces according to 29.281 Rel.15 +- New GTP-U implementation supporting both N3 and F1-U interfaces according to 29.281 Rel.15 - Interfaces with RRC, F1AP for tunnel creation - Interfaces with PDCP and RLC for data send/receive at the CU and DU respectively (F1-U interface) - Interface with SDAP for data send/receive, capture of GTP-U Optional Header, GTP-U Extension Header and PDU Session Container. @@ -427,6 +434,7 @@ The following features are valid for the gNB and the 5G-NR UE. - DMRS configuration type 1 and 2 - Single and multiple DMRS symbols - PTRS support + - Support for 256 QAM - Support for 1, 2 and 4 RX antennas - Support for up to 2 layers (currently limited to DMRS configuration type 2) * Measurements based on NR-CSIRS @@ -439,6 +447,7 @@ The following features are valid for the gNB and the 5G-NR UE. - DMRS configuration type 1 and 2 - Single and multiple DMRS symbols - PTRS support + - Support for 256 QAM - Support for up to 2 TX antenna - Support for up to 2 layers * NR-PUCCH