Release Notes¶
23.11
Update srsUE to work with 5/10/15/20 MHz bandwidth in 5G SA mode
Added a new frequency estimation algorithm.
Updated cmake file
Other bug-fixes and improved stability and performance in all parts
23.04
Introduced configurable s1 connection timer
Updated 4G RRC ASN.1 to Rel 17
Added reestablishment support during S1-Handover
Added basic support for NSSAI based slicing in UE & gNodeB
Updated the RRC to enable srsUE compatibility with new srsgnb
Updated eMBMS to fix various outstanding issues
Added basic support for RIC E2 interface
Other bug-fixes and improved stability and performance in all parts
22.10
Fix DL NAS integrity checks in srsUE
Remove Travis and LGTM as CI platforms
Remove polarssl as optional dependency (only mbedTLS used and required for security)
Allow to specify multiple PLMNs in SIB1
Allow non-blocking S1AP connect and expose various other SCTP options
Add support to broadcast MAC backoff indicator
Seperate T300/T301 timer in srsENB
Fix in eMBMS payload buffer handling
Fix memleak in NR scheduler
22.04.1
Bug-fixes in RLC AM and PDCP in NR
Fix for UE crashing when attempting to re-establish connection in SA mode
Removed fixed coreset0 index for SSB
Added support for SIB5 and SIB6 transmission in LTE
22.04
Added baseline 5G-SA support to srsUE and srsENB
Added dynamic loading of RF libraries
Added RRC Redirect to srsUE
Added support for A5 measurement events to srsENB
Added Crest Factor Reduction (CFR) for srsENB downlink and srsUE uplink on LTE carriers
Raise C++ standard to C++14
Other bug-fixes and improved stability and performance in all parts
21.10
Created initial version of srsGNB supporting NSA mode with srsENB
srsGNB tested with OnePlus Nord 5G
Improved interoperability of srsUE in NSA mode
Added enhanced instrumentation to file using JSON format
Fixed stability issues with Ettus N310
Added BLER-adaptive MCS scheduling to srsENB
Other bug-fixes and improved stability and performance in all parts
21.04
Rename project from srsLTE to srsRAN
Add initial 5G NSA support to srsUE (including x86-optimized FEC and PHY layer)
Add PDCP discard support
Add UL power control, measurement gaps and a new proportional fair scheduler to srsENB
Extend GTP-U tunneling to support tunnel forwarding over S1
Optimize many data structures, remove dynamic memory allocations in data plane
Improved S1AP error handling and enhanced event reporting
Update ASN.1 packing/unpacking, RRC to Rel 15.11, S1AP to Rel 16.1
Update PCAP writer to use UDP framing
Other bug-fixes and improved stability and performance in all parts
20.10.1
Fix eNB issue relating to uplink hybrid ARQ
20.10
EUTRA mobility support
Fix for QAM256 support for eNB
New logging framework
PHY optimizations
Other performance and stability improvements
20.04.1
Fix for UE MIMO segfault issue
Fix for eNodeB SR configuration
Clang compilation warning fixes
Fix GPS tracking synchronization
20.04
Carrier Aggregation and Time Alignment in srsENB
Complete Sidelink PHY layer (all transmission modes)
Complete NB-IoT PHY downlink signals
New S1AP packing/unpacking library
EVM and EPRE measurements
Remove system timers in srsUE and srsENB
Refactor eNB to prepare for mobility support
Other bug-fixes and improved stability and performance in all parts
19.12
Add 5G NR RRC and NGAP ASN1 packing/unpacking
Add sync routines and broadcast channel for Sidelink
Add cell search and MIB decoder for NB-IoT
Add PDCP discard
Improve RRC Reestablishment handling
Improve RRC cell measurements and procedure handling
Add multi-carrier and MIMO support to ZMQ radio
Refactor eNB scheduler to support multiple carriers
Apply clang-format style on entire code base
Other bug-fixes and improved stability and performance in all parts
19.09
Add initial support for NR in MAC/RLC/PDCP
Add sync code for NB-IoT
Add support for EIA3/EEA3 (i.e. ZUC)
Add support for CSFB in srsENB
Add adaptation layer to run TTCN-3 conformance tests for srsUE
Add High Speed Train model to channel simulator
Rework RRC and NAS layer and make them non-blocking
Fixes in ZMQ, bladeRF and Soapy RF modules
Other bug-fixes and improved stability and performance in all parts
19.06
Add QAM256 support in srsUE
Add QoS support in srsUE
Add UL channel emulator
Refactor UE and eNB architecture
Many bug-fixes and improved stability and performance in all parts
19.03
PHY library refactor
TDD support for srsUE
Carrier Aggregation support for srsUE
Paging support for srsENB and srsEPC
User-plane encryption for srsENB
Channel simulator for EPA, EVA, and ETU 3GPP channels
ZeroMQ-based fake RF driver for I/Q over IPC/network
Many bug-fixes and improved stability and performance in all parts
18.12
Add new RRC ASN1 message pack/unpack library
Refactor EPC and add encryption support
Add IPv6 support to srsUE
Fixed compilation issue for ARM and AVX512
Add clang-format file
Many bug-fixes and improved stability and performance in all parts
18.09
Improved Turbo Decoder performance
Configurable SGi interface name and M1U params
Support for GPTU echo mechanism
Added UE detach capability
Refactor RLC/PDCP classes
Various fixes for ARM-based devices
Added support for bladeRF 2.0 micro
Many bug-fixes and improved stability and performance in all parts
18.06.1
Fixed RLC reestablish
Fixed aperiodic QCI retx
Fixed eNB instability
Fixed Debian packaging
18.06
Added eMBMS support in srsUE/srsENB/srsEPC
Added support for hard SIM cards
Many bug-fixes and improved stability and performance in all parts
18.03.1
Fixed compilation for NEON
Fixed logging and RLC AM issue
18.03
Many bug-fixes and improved stability and performance in all parts
17.12
Added support for MIMO 2x2 in srsENB (i.e. TM3/TM4)
Added srsEPC, a light-weight core network implementation
Added support for X2/S1 handover in srsUE
Added support for user-plane encryption in srsUE
Many bug-fixes and improved stability and performance in srsUE/srsENB
17.09
Added MIMO 2x2 in the PHY layer and srsUE (i.e. TM3/TM4)
eMBMS support in the PHY layer
Many bug-fixes and improved stability and performance in srsUE/srsENB
002.000.000
Added fully functional srsENB to srsRAN code
Merged srsUE code into srsRAN and reestructured PHY code
Added support for SoapySDR devices (eg LimeSDR)
Fixed issues in RLC AM
Added support for NEON and AVX in many kernels and Viterbi decoder
Added support for CPU affinity
Other minor bug-fixes and new features
001.004.000
Fixed issue in rv for format1C causing incorrect SIB1 decoding in some networks
Improved PDCCH decoding BER (fixed incorrect trellis initialization)
Improved PUCCH RX performance
001.003.000
Bugfixes:
x300 master clock rate
PHICH: fixed bug causing more NACKs
PBCH: fixed bug in encoding function
channel estimation: fixed issue in time interpolation
DCI: Fixed bug in Format1A packing
DCI: Fixed bug in Format1C for RA-RNTI
DCI: Fixed overflow in MIMO formats
Improvements:
Changed and cleaned DCI blind search API
Added eNodeB PHY processing functions
001.002.000
Bugfixes:
Estimation of extrapolated of out-of-band carriers
PDCCH REG interleaving for certain cell IDs
MIB decoding
Overflow in viterbi in PBCH
Improvements:
Synchronization in long multipath channels
Better calibration of synchronization and estimation
Averaging in channel estimation
Improved 2-port diversity decoding
001.001.000
Added support for BladeRF