From 0271ea8202c82ead5a1ba3e00ace3e6dea0eb5e4 Mon Sep 17 00:00:00 2001
From: Panos Matzakos <panagiotis.matzakos@eurecom.fr>
Date: Mon, 20 Sep 2021 14:25:53 +0000
Subject: [PATCH] Update FEATURE_SET.md for the gNB SA procedures
---
doc/FEATURE_SET.md | 102 +++++++++++++++++++++++++++++++++++----------
1 file changed, 80 insertions(+), 22 deletions(-)
diff --git a/doc/FEATURE_SET.md b/doc/FEATURE_SET.md
index aa59e7b2600..4105d17511b 100644
--- a/doc/FEATURE_SET.md
+++ b/doc/FEATURE_SET.md
@@ -302,18 +302,6 @@ The following features are valid for the gNB and the 5G-NR UE.
## gNB Higher Layers ##
-**gNB RRC**
-- NR RRC (38.331) Rel 15 messages using new asn1c
-- LTE RRC (36.331) also updated to Rel 15
-- Generation of CellGroupConfig (for eNB) and MIB
-- Generation of system information block 1 (SIB1)
-- Application to read configuration file and program gNB RRC
-- RRC can configure PDCP, RLC, MAC
-
-**gNB X2AP**
-- X2 setup with eNB
-- Handling of SgNB Addition Request / Addition Request Acknowledge / Reconfiguration Complete
-
**gNB MAC**
- MAC -> PHY configuration using NR FAPI P5 interface
- MAC <-> PHY data interface using FAPI P7 interface for BCH PDU, DCI PDU, PDSCH PDU
@@ -336,6 +324,74 @@ The following features are valid for the gNB and the 5G-NR UE.
- evaluation of CQI report
- MAC scheduling of SR reception
+**gNB RLC**
+- Send/Receive operations according to 38.322 Rel.16
+ - Segmentation and reassembly procedures
+ - RLC Acknowledged mode supporting PDU retransmissions
+ - RLC Unacknowledged mode
+ - DRBs and SRBs establishment/handling and association with RLC entities
+ - Timers implementation
+ - Interfaces with PDCP, MAC
+ - Interfaces with gtp-u (data Tx/Rx over F1-U at the DU)
+
+**gNB PDCP**
+- Send/Receive operations according to 38.323 Rel.16
+ - Integrity protection and ciphering procedures
+ - Sequence number management, SDU dicard and in-order delivery
+ - Radio bearer establishment/handling and association with PDCP entities
+ - Interfaces with RRC, RLC
+ - Interfaces with gtp-u (data Tx/Rx over N3 and F1-U interfaces)
+
+**gNB RRC**
+- NR RRC (38.331) Rel 16 messages using new 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)
+- 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
+ - Support for master cell group configuration
+ - Interface with NGAP for the interactions with the AMF
+ - Interface with F1AP for CU/DU split deployment option
+
+**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
+
+**gNB NGAP**
+
+- Integration of NGAP messages and procedures for the exchanges with the AMF over N2 interface according to 38.413 Rel. 15
+ - NGAP Setup request/response
+ - NGAP Initial UE message
+ - NGAP Initial context setup request/response
+ - NGAP Downlink/Uplink NAS transfer
+ - NGAP UE context release request/complete
+ - NGAP UE radio capability info indication
+ - NGAP PDU session resource setup request/response
+- Interface with RRC
+
+**gNB F1AP**
+
+- Integration of F1AP messages and procedures for the control plane exchanges between the CU and DU entities according to 38.473 Rel. 16
+ - F1 Setup request/response
+ - F1 DL/UL RRC message transfer
+ - F1 Initial UL RRC message transfer
+ - F1 UE Context setup request/response
+ - F1 gNB CU configuration update
+- Interface with RRC
+- Interface with gtp-u (tunnel creation/handling for F1-U interface)
+
+**gNB GTP-U**
+- 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)
+
# OpenAirInterface 5G-NR UE Feature Set #
* Supporting "noS1" mode (DL and UL):
@@ -418,21 +474,23 @@ The following features are valid for the gNB and the 5G-NR UE.
- Configuration of fapi PDU according to DCI
-**RLC**
+**UE RLC**
* Tx/Rx operations according to 38.322 Rel.16
- - RLC Acknowledged mode
+ - Segmentation and reassembly procedures
+ - RLC Acknowledged mode supporting PDU retransmissions
- RLC Unacknowledged mode
- - DRBs and SRBs establishment and handling
- - Timers
+ - DRBs and SRBs establishment and handling
+ - Timers implementation
+ - Interfaces with PDCP, MAC
-**PDCP**
+**UE PDCP**
* Tx/Rx operations according to 38.323 Rel.16
- Integrity protection and ciphering procedures
- - SDU dicard and in-order delivery
- - Radio bearer establishment and handling
- - Interfaces with RRC, RLC
+ - Sequence number management, SDU dicard and in-order delivery
+ - Radio bearer establishment/handling and association with PDCP entities
+ - Interfaces with RRC, RLC
-**RRC**
+**UE RRC**
* Integration of RRC messages and procedures supporting UE 5G SA connection according to 38.331 Rel.16
- RRCSetupRequest/RRCSetup/RRCSetupComplete
- RRC Uplink/Downlink Information transfer carrying NAS messages transparently
@@ -441,7 +499,7 @@ The following features are valid for the gNB and the 5G-NR UE.
* Interface with PDCP: configuration, DCCH and CCCH message handling
* Interface with RLC and MAC for configuration
-**NAS**
+**UE NAS**
* Transfer of NAS messages between the AMF and the UE supporting the UE registration with the core network and the PDU session establishment according to 24.501 Rel.16
- Identity Request/Response
- Authentication Request/Response
--
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