diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7f095acc16..b03726ab01 100755
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,34 @@
# RELEASE NOTES: #
+## [v2.0.0](https://gitlab.eurecom.fr/oai/openairinterface5g/-/tags/v2.0.0) -> August 2023. ##
+
+This release adds support for 5G and maintains previous features:
+* 5G SA in gNB
+ - PHY, MAC, RLC, PDCP, SDAP, RRC layers
+ - 2x2 MIMO and 256-QAM for UL/DL
+ - 15 and 30 kHz subcarrier spacings; 10-100 MHz bandwidths
+ - Up to 800Mbps throughput or 5ms latency
+ - F1, basic E1, 5G FAPI (SCF 222.10.02), split 8 split options
+ - Handling of up to 16 UEs
+ - RRC procedures for connection setup, multiple PDU sessions, reestablishment
+* 5G SA in UE
+ - PHY, MAC, RLC, PDCP, SDAP, RRC layers
+ - 2x2 MIMO and 256-QAM for UL/DL
+ - 15 and 30 kHz subcarrier spacings; 10-100 MHz bandwidths
+ - Custom FAPI-like MAC/PHY interface
+ - RRC procedures for connection setup and cell measurement
+* Basic 5G NSA in gNB
+ - X2 sgNB Addition Request between OAI eNB and gNB
+* 4G eNB and UE
+ - Bugfixes in fairRR scheduler (eNB)
+ - Non-standard F1 midhaul removed (eNB)
+ - FlexRAN removed (eNB)
+ - Sync fixes (UE)
+* LTE-M supported
+* Support for AW2S devices, RFsimulator channel emulation support
+
+For more information on supported features, please refer to the [feature set](doc/FEATURE_SET.md).
+
## [v1.2.1](https://gitlab.eurecom.fr/oai/openairinterface5g/-/tags/v1.2.1) -> February 2020. ##
* Bug fix for mutex lock for wake-up signal
diff --git a/README.md b/README.md
index 70614fd72d..249e4cc965 100644
--- a/README.md
+++ b/README.md
@@ -12,6 +12,10 @@
+
+ 
+
+
diff --git a/doc/FEATURE_SET.md b/doc/FEATURE_SET.md
index f8d9c460d4..55596ea556 100644
--- a/doc/FEATURE_SET.md
+++ b/doc/FEATURE_SET.md
@@ -18,6 +18,351 @@
+# OpenAirInterface 5G-NR Feature Set #
+
+## General Parameters
+
+The following features are valid for the gNB and the 5G-NR UE.
+
+* Static TDD, FDD
+* Normal CP
+* Subcarrier spacings: 15 and 30kHz (FR1), 120kHz (FR2)
+* Bandwidths: 10, 20, 40, 60, 80, 100MHz
+* Intermediate downlink and uplink frequencies to interface with IF equipment
+* 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
+* Encoder and decoder for short blocks
+* Support for UL transform precoding (SC-FDMA)
+
+Furthermore, the gNB and UE support
+
+* "noS1" mode (DL and UL):
+ - Creates TUN interface to PDCP to inject and receive user-place traffic
+ - No connection to the core network
+* Standalone (SA) mode:
+ - UE can register with the 5G Core Network through the gNB, establish a PDU Session and exchange user-plane traffic
+
+
+## gNB PHY
+
+* 15kHz and 30kHz SCS for FR1 and 120kHz SCS for FR2
+* Generation of NR-PSS/NR-SSS
+* NR-PBCH supports multiple SSBs and flexible periodicity
+* Generation of NR-PDCCH (including generation of DCI, polar encoding, scrambling, modulation, RB mapping, etc)
+ - common search space
+ - user-specific search space
+ - DCI formats: 00, 10, 01 and 11
+* Generation of NR-PDSCH (including Segmentation, LDPC encoding, rate matching, scrambling, modulation, RB mapping, etc).
+ - PDSCH mapping type A and B
+ - DMRS configuration type 1 and 2
+ - Single and multiple DMRS symbols
+ - PTRS support
+ - Support for 1, 2 and 4 TX antennas
+ - Support for up to 2 layers (currently limited to DMRS configuration type 2)
+ - Support for 256 QAM
+* NR-CSIRS Generation of sequence at PHY
+* NR-PUSCH (including Segmentation, LDPC encoding, rate matching, scrambling, modulation, RB mapping, etc).
+ - PUSCH mapping type A and B
+ - DMRS configuration type 1 and 2
+ - Single and multiple DMRS symbols
+ - PTRS support
+ - Support for up to 2 RX antenna
+ - Support for up to 2 layers
+ - Support for 256 QAM
+* NR-PUCCH
+ - Format 0 (2 bits, for ACK/NACK and SR)
+ - Format 2 (mainly for CSI feedback)
+* NR-SRS
+ - SRS signal reception
+ - Channel estimation (with T tracer real time monitoring)
+ - Power noise estimation
+* NR-PRS
+ - Rel16 Positioning reference signal(PRS) generation and modulation
+ - Multiple PRS resources, one per beam is supported in FR2 TDD mode
+ - FR1 and FR2 support with config file
+* NR-PRACH
+ - Formats 0,1,2,3, A1-A3, B1-B3
+* 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
+
+## 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
+- Scheduler procedures for SIB1
+- Scheduler procedures for RA
+ - Contention Free RA procedure
+ - Contention Based RA procedure
+ - Msg3 can transfer uplink CCCH, DTCH or DCCH messages
+ - CBRA can be performed using MAC CE or C-RNTI
+- Scheduler procedures for CSI-RS
+- 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
+- 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
+- Scheduler procedures for SRS reception
+ - Periodic SRS reception
+ - Channel rank computation up to 2x2 scenario
+ - TPMI computation based on SRS up 4 antenna ports and 2 layers
+- MAC procedures to handle CSI measurement report
+ - evalution of RSRP report
+ - evaluation of CQI report
+- MAC scheduling of SR reception
+- Bandwidth part (BWP) operation
+ - Handle multiple dedicated BWPs, supports one UE
+ - BWP switching through RRCReconfiguration method
+
+## 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 SDAP
+
+- Send/Receive operations according to 37.324 Rel.15
+ - Establishment/Handling of SDAP entities.
+ - Transfer of User Plane Data
+ - Mapping between a QoS flow and a DRB for both DL and UL
+ - Marking QoS flow ID in both DL and UL packets
+ - Reflective QoS flow to DRB mapping for UL SDAP data PDUs
+
+## gNB RRC
+
+- 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)
+- 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
+ - Support for master cell group configuration
+ - Interface with NGAP for the interactions with the AMF
+ - Interface with F1AP for CU/DU split deployment option
+ - Periodic RRC measurements of serving cell (no A/B events)
+
+## 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 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
+ - 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.
+
+# OpenAirInterface 5G-NR UE Feature Set #
+
+## NR UE PHY Layer ##
+
+* Initial synchronization
+ - the UE needs to know the position in frequency of the SSBs (via command line parameter in SA)
+* Time tracking based on PBCH DMRS
+* Frequency offset estimation based on PSS and SSS
+* 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
+ - RSRP measurement for the strongest SSB
+* Reception of NR-PDCCH (including reception of DCI, polar decoding, de-scrambling, de-modulation, RB de-mapping, etc)
+ - common search space configured by MIB
+ - user-specific search space configured by RRC
+ - DCI formats: 00, 10, 01 and 11
+* Reception of NR-PDSCH (including Segmentation, LDPC decoding, rate de-matching, de-scrambling, de-modulation, RB de-mapping, etc).
+ - PDSCH mapping type A and B
+ - 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
+ - RSRP measurements
+ - RI, PMI and CQI computation
+ - Support for up to 4 RX antennas
+ - Support for up to 2 layers
+* NR-PUSCH (including Segmentation, LDPC encoding, rate matching, scrambling, modulation, RB mapping, etc).
+ - PUSCH mapping type A and B
+ - 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
+ - Format 0 (2 bits for ACK/NACK and SR)
+ - Format 2 (mainly for CSI feedback)
+ - Format 1 (limited testing)
+ - Format 3 and 4 present but old code never tested (need restructuring before verification)
+* NR-SRS
+ - Generation of sequence at PHY
+ - SRS signal transmission
+* NR-PRS
+ - PRS based Channel estimation with T tracer dumps
+ - Time of arrival(ToA) estimation based on channel impulse response(CIR)
+ - Finer ToA estimation by 16x oversampled IDFT for CIR
+ - Support for multiple gNB reception with gNBs synced via GPSDO
+* NR-PRACH
+ - Formats 0,1,2,3, A1-A3, B1-B3
+* 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
+
+## NR UE FAPI ##
+
+* MAC -> PHY configuration via UE FAPI P5 interface
+* Basic MAC to control PHY via UE FAPI P7 interface
+* PHY -> MAC indication (needs some improvement)
+
+## NR UE Higher Layers ##
+
+## UE MAC
+
+* Minimum system information (MSI)
+ - MIB processing
+ - Scheduling of system information block 1 (SIB1) reception
+* Random access procedure (needs improvement, there is still not a clear separation between MAC and PHY)
+ - Mapping SSBs to multiple ROs
+ - Scheduling of PRACH
+ - Processing of RAR
+ - Transmission and re-transmission of Msg3
+ - Msg4 and contention resolution
+* DCI processing
+ - format 10 (RA-RNTI, C-RNTI, SI-RNTI, TC-RNTI)
+ - format 00 (C-RNTI, TC-RNTI)
+ - format 11 (C-RNTI)
+ - format 01 (C-RNTI)
+* UCI processing
+ - ACK/NACK processing
+ - Triggering periodic SR
+ - CSI measurement reporting
+* DLSCH scheduler
+ - Configuration of fapi PDU according to DCI
+ - HARQ procedures
+* ULSCH scheduler
+ - Configuration of fapi PDU according to DCI
+* NR-CSIRS scheduler
+ - Scheduling of NR-CSIRS reception
+ - Fill UCI for CSI measurement reporting
+* Scheduler procedures for SRS transmission
+ - Periodic SRS transmission
+* Bandwidth part (BWP) operation
+ - Operation in configured dedicated BWP through RRCSetup or RRCReconfiguration
+
+
+## UE RLC
+
+* Tx/Rx operations according to 38.322 Rel.16
+ - Segmentation and reassembly procedures
+ - RLC Acknowledged mode supporting PDU retransmissions
+ - RLC Unacknowledged mode
+ - DRBs and SRBs establishment and handling
+ - Timers implementation
+ - Interfaces with PDCP, MAC
+
+## UE PDCP
+
+* Tx/Rx 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
+
+## UE SDAP
+
+* Tx/Rx operations operations according to 37.324 Rel.15
+ - Establishment/Handling of SDAP entities.
+ - Transfer of User Plane Data
+ - Reflective Mapping
+ - RRC Signaling Mapping
+
+## 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
+ - RRC Reconfiguration/Reconfiguration complete
+ - Support for master cell group configuration
+ - Reception of UECapabilityEnquiry, encoding and transmission of UECapability
+* Interface with PDCP: configuration, DCCH and CCCH message handling
+* Interface with RLC and MAC for configuration
+
+## 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
+ - Security Mode Command/Complete
+ - Registration Request/Accept/Complete
+ - PDU Session Establishment Request/Accept
+ - NAS configuration and basic interfacing with RRC
+
+
+
# OpenAirInterface 4G LTE eNB Feature Set #
## eNB PHY Layer ##
@@ -45,15 +390,15 @@ The Physical layer implements **3GPP 36.211**, **36.212**, **36.213** and provid
FDD DL: 5 MHz, 25 PRBS/ MCS 28 | 16 - 17 Mbit/s | TM1: 17.0 Mbits/s | COTS-UE Cat 4 (150/50 Mbps)
FDD DL: 10 MHz, 50 PRBS/ MCS 28 | 34 - 35 Mbit/s | TM1: 34.0 Mbits/s | COTS-UE Cat 4 (150/50 Mbps)
FDD DL: 20 MHz, 100 PRBS/ MCS 28 | 70 Mbit/s | TM1: 69.9 Mbits/s | COTS-UE Cat 4 (150/50 Mbps)
- | | |
+ | | |
FDD UL: 5 MHz, 25 PRBS/ MCS 20 | 9 Mbit/s | TM1: 8.28 Mbits/s | COTS-UE Cat 4 (150/50 Mbps)
FDD UL: 10 MHz, 50 PRBS/ MCS 20 | 17 Mbit/s | TM1: 18.3 Mbits/s | COTS-UE Cat 4 (150/50 Mbps)
FDD UL: 20 MHz, 100 PRBS/ MCS 20 | 35 Mbit/s | TM1: 18.6 Mbits/s | COTS-UE Cat 4 (150/50 Mbps)
- | |
+ | |
TDD DL: 5 MHz, 25 PRBS/ MCS **XX** | 6.5 Mbit/s | TM1: 6.71 Mbits/s | COTS-UE Cat 4 (150/50 Mbps)
TDD DL: 10 MHz, 50 PRBS/ MCS **XX** | 13.5 Mbit/s | TM1: 13.6 Mbits/s | COTS-UE Cat 4 (150/50 Mbps)
TDD DL: 20 MHz, 100 PRBS/ MCS **XX** | 28.0 Mbit/s | TM1: 27.2 Mbits/s | COTS-UE Cat 4 (150/50 Mbps)
- | | |
+ | | |
TDD UL: 5 MHz, 25 PRBS/ MCS **XX** | 2.0 Mbit/s | TM1: 3.31 Mbits/s | COTS-UE Cat 4 (150/50 Mbps)
TDD UL: 10 MHz, 50 PRBS/ MCS **XX** | 2.0 Mbit/s | TM1: 7.25 Mbits/s | COTS-UE Cat 4 (150/50 Mbps)
TDD UL: 20 MHz, 100 PRBS/ MCS **XX** | 3.0 Mbit/s | TM1: 4.21 Mbits/s | COTS-UE Cat 4 (150/50 Mbps)
@@ -66,7 +411,7 @@ TDD UL: 20 MHz, 100 PRBS/ MCS **XX** | 3.0 Mbit/s | TM1: 4.21 Mbits/s
## eNB MAC Layer ##
-The MAC layer implements a subset of the **3GPP 36.321** release v8.6 in support of BCH, DLSCH, RACH, and ULSCH channels.
+The MAC layer implements a subset of the **3GPP 36.321** release v8.6 in support of BCH, DLSCH, RACH, and ULSCH channels.
- RRC interface for CCCH, DCCH, and DTCH
- Proportional fair scheduler (round robin scheduler soon), with the following improvements:
@@ -86,16 +431,16 @@ The MAC layer implements a subset of the **3GPP 36.321** release v8.6 in support
The RLC layer implements a full specification of the 3GPP 36.322 release v9.3.
-- RLC TM (mainly used for BCCH and CCCH)
+- RLC TM (mainly used for BCCH and CCCH)
* Neither segment nor concatenate RLC SDUs
* Do not include a RLC header in the RLC PDU
* Delivery of received RLC PDUs to upper layers
-- RLC UM (mainly used for DTCH)
+- RLC UM (mainly used for DTCH)
* Segment or concatenate RLC SDUs according to the TB size selected by MAC
* Include a RLC header in the RLC PDU
* Duplication detection
* PDU reordering and reassembly
-- RLC AM, compatible with 9.3
+- RLC AM, compatible with 9.3
* Segmentation, re-segmentation, concatenation, and reassembly
* Padding
* Data transfer to the user
@@ -133,9 +478,9 @@ The RRC layer is based on **3GPP 36.331** v15.6 and implements the following fun
The X2AP layer is based on **3GPP 36.423** v14.6.0 and implements the following functions:
- X2 Setup Request
- - X2 Setup Response
+ - X2 Setup Response
- X2 Setup Failure
- - Handover Request
+ - Handover Request
- Handover Request Acknowledge
- UE Context Release
- X2 timers (t_reloc_prep, tx2_reloc_overall)
@@ -144,16 +489,16 @@ The X2AP layer is based on **3GPP 36.423** v14.6.0 and implements the following
- EN-DC is implemented
- X2AP : Handling of SgNB Addition Request / Addition Request Acknowledge / Reconfiguration Complete
- RRC : Handling of RRC Connection Reconfiguration with 5G cell info, configuration of 5G-NR measurements
- - S1AP : Handling of E-RAB Modification Indication / Confirmation
+ - S1AP : Handling of E-RAB Modification Indication / Confirmation
## eNB/MCE M2AP ##
The M2AP layer is based on **3GPP 36.443** v14.0.1:
- M2 Setup Request
- - M2 Setup Response
+ - M2 Setup Response
- M2 Setup Failure
- M2 Scheduling Information
- - M2 Scheduling Information Response
+ - M2 Scheduling Information Response
- M2 Session Start Request
- M2 Session Start Response
@@ -161,7 +506,7 @@ The M2AP layer is based on **3GPP 36.443** v14.0.1:
The M3AP layer is based on **3GPP 36.444** v14.0.1:
- M3 Setup Request
- - M3 Setup Response
+ - M3 Setup Response
- M3 Setup Failure
- M3 Session Start Request
- M3 Session Start Response
@@ -184,11 +529,11 @@ The Physical layer implements **3GPP 36.211**, **36.212**, **36.213** and provid
- All uplink (UL) channels are supported: PRACH, PUSCH, PUCCH (format 1/1a/1b), SRS, DRS
- LTE MBMS-dedicated cell (feMBMS) procedures subset for LTE release 14 (experimental)
- LTE non-MBSFN subframe (feMBMS) Carrier Adquistion Subframe-CAS procedures (PSS/SSS/PBCH/PDSH) (experimental)
-- LTE MBSFN MBSFN subframe channel (feMBMS): PMCH (CS@1.25KHz) (channel estimation for 25MHz bandwidth) (experimental)
+- LTE MBSFN MBSFN subframe channel (feMBMS): PMCH (CS@1.25KHz) (channel estimation for 25MHz bandwidth) (experimental)
## LTE UE MAC Layer ##
-The MAC layer implements a subset of the **3GPP 36.321** release v8.6 in support of BCH, DLSCH, RACH, and ULSCH channels.
+The MAC layer implements a subset of the **3GPP 36.321** release v8.6 in support of BCH, DLSCH, RACH, and ULSCH channels.
- RRC interface for CCCH, DCCH, and DTCH
- HARQ Support
@@ -196,7 +541,7 @@ The MAC layer implements a subset of the **3GPP 36.321** release v8.6 in support
- RLC interface (AM, UM)
- UL power control
- Link adaptation
-- MBMS-dedicated cell (feMBMS) RRC interface for BCCH
+- MBMS-dedicated cell (feMBMS) RRC interface for BCCH
- eMBMS and MBMS-dedicated cell (feMBMS) RRC interface for MCCH, MTCH
## LTE UE RLC Layer ##
@@ -223,328 +568,6 @@ The NAS layer is based on **3GPP 24.301** and implements the following functions
- ESM default/dedicated bearer, PDN connectivity, and more
-# OpenAirInterface 5G-NR Feature Set #
-
-## General Parameters ##
-
-The following features are valid for the gNB and the 5G-NR UE.
-
-* Static TDD,
-* FDD
-* Normal CP
-* Subcarrier spacings: 15 and 30kHz (FR1), 120kHz (FR2)
-* Bandwidths: 10, 20, 40, 80, 100MHz (273 Physical Resource Blocks)
-* Intermediate downlink and uplink frequencies to interface with IF equipment
-* Procedures for 2-layer DL 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
-* Encoder and decoder for short blocks
-* Support for UL transform precoding (SC-FDMA)
-
-
-## gNB PHY Layer ##
-
-* 15kHz and 30kHz SCS for FR1 and 120kHz SCS for FR2
-* Generation of NR-PSS/NR-SSS
-* NR-PBCH supports multiple SSBs and flexible periodicity
-* Generation of NR-PDCCH (including generation of DCI, polar encoding, scrambling, modulation, RB mapping, etc)
- - common search space
- - user-specific search space
- - DCI formats: 00, 10, 01 and 11
-* Generation of NR-PDSCH (including Segmentation, LDPC encoding, rate matching, scrambling, modulation, RB mapping, etc).
- - PDSCH mapping type A and B
- - DMRS configuration type 1 and 2
- - Single and multiple DMRS symbols
- - PTRS support
- - Support for 1, 2 and 4 TX antennas
- - Support for up to 2 layers (currently limited to DMRS configuration type 2)
- - Support for 256 QAM
-* NR-CSIRS Generation of sequence at PHY
-* NR-PUSCH (including Segmentation, LDPC encoding, rate matching, scrambling, modulation, RB mapping, etc).
- - PUSCH mapping type A and B
- - DMRS configuration type 1 and 2
- - Single and multiple DMRS symbols
- - PTRS support
- - Support for up to 2 RX antenna
- - Support for up to 2 layers
- - Support for 256 QAM
-* NR-PUCCH
- - Format 0 (2 bits, for ACK/NACK and SR)
- - Format 2 (mainly for CSI feedback)
-* NR-SRS
- - SRS signal reception
- - Channel estimation (with T tracer real time monitoring)
- - Power noise estimation
-* NR-PRS
- - Rel16 Positioning reference signal(PRS) generation and modulation
- - Multiple PRS resources, one per beam is supported in FR2 TDD mode
- - FR1 and FR2 support with config file
-* NR-PRACH
- - Formats 0,1,2,3, A1-A3, B1-B3
-* 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
-
-## gNB Higher Layers ##
-
-**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
-- Scheduler procedures for SIB1
-- Scheduler procedures for RA
- - Contention Free RA procedure
- - Contention Based RA procedure
- - Msg3 can transfer uplink CCCH, DTCH or DCCH messages
- - CBRA can be performed using MAC CE or C-RNTI
-- Scheduler procedures for CSI-RS
-- MAC downlink scheduler
- - phy-test scheduler (fixed allocation and usable also without UE)
- - regular scheduler with dynamic 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
- - HARQ procedures for uplink
-- Scheduler procedures for SRS reception
- - Periodic SRS reception
- - Channel rank computation up to 2x2 scenario
- - TPMI computation based on SRS up 4 antenna ports and 2 layers
-- MAC procedures to handle CSI measurement report
- - evalution of RSRP report
- - evaluation of CQI report
-- MAC scheduling of SR reception
-- Bandwidth part (BWP) operation
- - Handle multiple dedicated BWPs
- - BWP switching through RRCReconfiguration method
-
-**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 SDAP**
-- Send/Receive operations according to 37.324 Rel.15
- - Establishment/Handling of SDAP entities.
- - Transfer of User Plane Data
- - Mapping between a QoS flow and a DRB for both DL and UL
- - Marking QoS flow ID in both DL and UL packets
- - Reflective QoS flow to DRB mapping for UL SDAP data PDUs
-
-**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
- - 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
- - Periodic RRC measurements of serving cell (no A/B events)
-
-**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)
- - Interface with SDAP for data send/receive, capture of GTP-U Optional Header, GTP-U Extension Header and PDU Session Container.
-
-# OpenAirInterface 5G-NR UE Feature Set #
-
-* Supporting "noS1" mode (DL and UL):
- - Creates TUN interface to PDCP to inject and receive user-place traffic
- - No connection to the core network
-* Supporting Standalone (SA) mode:
- - UE can register with the 5G Core Network, establish a PDU Session and exchange user-plane traffic
-
-## NR UE PHY Layer ##
-
-* Initial synchronization
- - the UE needs to know the position in frequency of the SSBs (via command line parameter in SA)
-* Time tracking based on PBCH DMRS
-* Frequency offset estimation based on PSS and SSS
-* 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
- - RSRP measurement for the strongest SSB
-* Reception of NR-PDCCH (including reception of DCI, polar decoding, de-scrambling, de-modulation, RB de-mapping, etc)
- - common search space configured by MIB
- - user-specific search space configured by RRC
- - DCI formats: 00, 10, 01 and 11
-* Reception of NR-PDSCH (including Segmentation, LDPC decoding, rate de-matching, de-scrambling, de-modulation, RB de-mapping, etc).
- - PDSCH mapping type A and B
- - DMRS configuration type 1 and 2
- - Single and multiple DMRS symbols
- - PTRS support
- - 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
- - RSRP measurements
- - RI, PMI and CQI computation
- - Support for up to 4 RX antennas
- - Support for up to 2 layers
-* NR-PUSCH (including Segmentation, LDPC encoding, rate matching, scrambling, modulation, RB mapping, etc).
- - PUSCH mapping type A and B
- - DMRS configuration type 1 and 2
- - Single and multiple DMRS symbols
- - PTRS support
- - Support for up to 2 TX antenna
- - Support for up to 2 layers
-* NR-PUCCH
- - Format 0 (2 bits for ACK/NACK and SR)
- - Format 2 (mainly for CSI feedback)
- - Format 1 (limited testing)
- - Format 3 and 4 present but old code never tested (need restructuring before verification)
-* NR-SRS
- - Generation of sequence at PHY
- - SRS signal transmission
-* NR-PRS
- - PRS based Channel estimation with T tracer dumps
- - Time of arrival(ToA) estimation based on channel impulse response(CIR)
- - Finer ToA estimation by 16x oversampled IDFT for CIR
- - Support for multiple gNB reception with gNBs synced via GPSDO
-* NR-PRACH
- - Formats 0,1,2,3, A1-A3, B1-B3
-* 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
-
-## NR UE FAPI ##
-
-* MAC -> PHY configuration via UE FAPI P5 interface
-* Basic MAC to control PHY via UE FAPI P7 interface
-* PHY -> MAC indication (needs some improvement)
-
-## NR UE Higher Layers ##
-
-**UE MAC**
-* Minimum system information (MSI)
- - MIB processing
- - Scheduling of system information block 1 (SIB1) reception
-* Random access procedure (needs improvement, there is still not a clear separation between MAC and PHY)
- - Mapping SSBs to multiple ROs
- - Scheduling of PRACH
- - Processing of RAR
- - Transmission and re-transmission of Msg3
- - Msg4 and contention resolution
-* DCI processing
- - format 10 (RA-RNTI, C-RNTI, SI-RNTI, TC-RNTI)
- - format 00 (C-RNTI, TC-RNTI)
- - format 11 (C-RNTI)
- - format 01 (C-RNTI)
-* UCI processing
- - ACK/NACK processing
- - Triggering periodic SR
- - CSI measurement reporting
-* DLSCH scheduler
- - Configuration of fapi PDU according to DCI
- - HARQ procedures
-* ULSCH scheduler
- - Configuration of fapi PDU according to DCI
-* NR-CSIRS scheduler
- - Scheduling of NR-CSIRS reception
- - Fill UCI for CSI measurement reporting
-* Scheduler procedures for SRS transmission
- - Periodic SRS transmission
-* Bandwidth part (BWP) operation
- - Operation in configured dedicated BWP through RRCSetup or RRCReconfiguration
-
-
-**UE RLC**
-* Tx/Rx operations according to 38.322 Rel.16
- - Segmentation and reassembly procedures
- - RLC Acknowledged mode supporting PDU retransmissions
- - RLC Unacknowledged mode
- - DRBs and SRBs establishment and handling
- - Timers implementation
- - Interfaces with PDCP, MAC
-
-**UE PDCP**
-* Tx/Rx 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
-
-**UE SDAP**
-* Tx/Rx operations operations according to 37.324 Rel.15
- - Establishment/Handling of SDAP entities.
- - Transfer of User Plane Data
- - Reflective Mapping
- - RRC Signaling Mapping
-
-**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
- - RRC Reconfiguration/Reconfiguration complete
- - Support for master cell group configuration
- - Reception of UECapabilityEnquiry, encoding and transmission of UECapability
-* Interface with PDCP: configuration, DCCH and CCCH message handling
-* Interface with RLC and MAC for configuration
-
-**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
- - Security Mode Command/Complete
- - Registration Request/Accept/Complete
- - PDU Session Establishment Request/Accept
- - NAS configuration and basic interfacing with RRC
-
-
-
[OAI wiki home](https://gitlab.eurecom.fr/oai/openairinterface5g/wikis/home)
[OAI softmodem build procedure](BUILD.md)