Tags

2026.w36

Integration: 2026.w36

- #480 Fix for issue #461
- #372 oru: add env-gated async DL and UL C/U-plane pcap dump
- #446 Fix invalid cast in nr_chest_time_domain_avg
- #505 Miscelaneous PUCCH code improvements
- #367 LDPC: Add ORS Aurora XDMA LDPC offloading
- #323 Improvements to PTRS processing
- #466 Add AGENTS.md
- #490 GPU Accelerated Channel Emulation support for 64TX Channels
- #254 F1 NR-DC

Closes: #461
Closes: #35

2026.w35

Integration: 2026.w35

- #345 Improve nr channel level
- #444 Update F1 documentation: examples for msg forward
- #456 Wait for response in asynchronous telnet commands
- #438 mac: fix HARQ-ACK PUCCH resource selection (TS 38.213 9.2.1)
- #464 Remove duplicated LCID re-establishment LOG
- commit disable some time_management tests (cherry-pick from F1 NR-DC #254)
- #460 Fix PDUsession crash with multiple UE HO
- #185 Fapi cc cleanup
- #468 Cleanup L1 phy header
- #471 nrL1_stats: avoid overflow in total_bytes_tx
- #450 LDPC decoder: fix parity check when number of CNs is multiple of 32
- #353 Implement n_pc_wm == 1 option for polar code
- #321 time_stats: add timing distributions and remove obsolete and unsafe statistics code
- #469 Fixes for RFSim
- #445 Clarify policy around AI, remove milestones
- #470 Fixes for O-RU flaky UL/DL processing
- #441 Initial work for multi cell support
- #418 Fix PRACH regression with Microamp FR2 + Add Microamp FR2 to CI
- #214 Encoding of 1 and 2 bits for UCI
- #383 ue/gNB: Keep PUCCH on stale UL config; clear all UEs in PUSCH TP group
- add 1s sleep in 5G RFsim F1 to stabilize connection
- some rfsim fixes (cherry-pick from Rfsim ci fixes #476)

Closes: #93
Closes: #459
Closes: #112

2026.w34

Integration: 2026.w34

- #381 Settable ORU core affinity
- #419 libxran: fix beam-id in PUSCH CP
- #422 docs: update Ubuntu 24.04 ISO links to 24.04.4
- #423 fix(mac, nr_ue): print RI value to reflect real rank
- #426 fix (rrc): do not reject N2 Handover Request for N2 source UE
- #236 feat(usrp): Optimize USRP TX & RX
- #429 Fix TLS verification problems with oc login
- #390 Keep the old UE in reestablishment instead of populating the new UE
- #385 vrtsim: quiet taps sample-path logging and settable timeout for o-ru socket
- #272 NR-UP 3GPP TS 38.425 NR enc/dec lib
- #375 ue: quieter PDCP logs
- #395 Fix issues #393 and #394
- #437 Correctly handle IPv4/IPv6 in sctp_handle_new_association_req_multi()
- #200 Add support for 2x8 SRS rank estimation
- #443 Build LDPC for tests
- #427 Fix RCconfig_nr_positioning() usage and improve error handling
- #180 Extension of the DL-RI / PMI calculation based on CSI-RS to other scenarios
- #414 add or reformat all ue rrc logs to print the ue id
- #213 Add LDPC CUDA offload library
- #411 doc: security policy
- #334 Bug rxdataF wrapping
- #424 Rfsim beam management
- #410 Mac races MIB

Closes: #288
Closes: #119
Closes: #108
Closes: #393
Closes: #394
Closes: #433
Closes: #36
Closes: #179

ATB1.1

ATB: Aerial Testbed Release 1.1

- Aerial Testbed 1.1 expands the supported
testbed configurations across GH200, DGX Spark,
Orin, O-RU, Soft-UE, and multi-UE environments.
- The release includes eight completed features
focused on portable Soft-UE configurations,
network and radio integration, and improved
uplink and UE-scale testing

2026.w33

Integration: 2026.w33

* #370 oru: support UTC/TAI CLOCK_REALTIME mapping in fh_timer
* #377 Validate BCCH-DL-SCH constraints and SIB1 hotfix
* #388 fix(thread-pool): validate tasks at queue insertion
* #306 Improve PUSCH delay estimates for TA update
* #382 fix UCI mapping on PUSCH at UE
* #371 NR UE: separate PRACH power from digital amplitude
* #398 Fix RSRP overflow and runtime UB when connecting >32
* #400 Fix for scheduling UCI on PUSCH when overlapping with PUCCH
* #407 NR MAC: remove the redundant post-publication UE state reset
* #379 ue: add --actor-affinity to pin DL/UL/SYNC actors
* #406 NR RU: stop processing when the RF device fails to start
* #392 NGAP: simplify PDU encode and use aper_encode
* #408 Remove RU options nr_scs_for_raster/nr_flag
* #396 [FHI72] Fix multi-RU and delete assertion for PRACH nRxPkt > 1
* #380 Ue improvements macstats
* #378 nr_phy_common: Add unit tests for nr_layer_demapping
* #413 docs: update OAI CN5G reference to OpenAirInterface GitHub repository
* #399 Fix ping/iperf failure on second nrUE PDU session
* #404 fix(nr-phy): skip decoding undetected PUSCH
* #159 Improvements in configuring periodic CSI-RS according to beam information
* #415 Fix nrUE fails to get IPv6 address from Open5GS core

Closes: #208

2026.w32

Integration: 2026.w32

- #152 NR UE: add support for periodical measurement report
- #355 Cleaning header handling from #141
- #326 fixes for UE RRC Re-establishment procedure
- #340 fix(phy, nr_ue): fix for HARQ bits length <=2 on PUSCH when 2 layers
- #359 Put UE transport block on stack
- #357 fix(mac, nr_ue): reject otherSI DCI while SIB1 acquisition pending
- #365 Use direct pointer in tx_data.request
- #317 Code cleaning
- #374 nfapi: keep ENABLE_SOCKET private to the socket library
- #358 CI: Add RAN-SA-ORU-CN5G testing pipeline
- #368 Update periodic MAC stats output
- #366 XRAN K with DPDK 20

2026.w31

Integration: 2026.w31

- #314 Fix channel offset computation in UE measurement procedures
- #337 hotfix: restore pucch rx performance
- #307 fix(ci): fetch PR head so fork branches are checked for pre-ci-checks
- #312 Improvements to decoding in PBCH
- #311 Fix nonstandard FR2 bandwidth configuration and update PRS tutorial
- #193 Test aperiodic SRS
- #141 NRPPA MAC and RRC procedures
- #343 fix(mac, nr_ue): remove csi_on_pusch flag for periodic CSI report handling
- #346 Fix NGAP/RRC bugs reported by ProFuzzer
- #350 fix(fapi): Reduce log output after error.indication
- #295 Add compression support for O-RU
- #322 Add AVX512 variants to dot_product and rotate_cpx_vector
- #289 Add USRP support to O-RU and other O-RU related changes
- #342 CI: Tune configs, HTML simplification
- #187 NewDFT for all sizes

2026.w30

Integration: 2026.w30

- #324 ci: fix pull_request_target fork checkout error and Node 20 deprecation warning
- #143 Harmonize PUSCH CDM groups and port allocation
- #182 PMI and MCS table index in phy-test
- #285 Cleanup RU_t for NR and LTE
- #325 Simplify nr_fill_xx_indication()
- #140 Introduce group based processing for 5G uplink MU-MIMO and a MU-MIMO physical simulator
- #292 simplify and comment how the UE generates PSS reference signal
- #328 ci: split PCF CN config out of shared mini_nonrf_config.yaml
- #234 [NR UE] PDSCH Rx: Pre-allocate large buffers on heap
- #319 fix(nr_ue_rrc): calculate shortMAC-I and fill in RRCReestablishmentRequest
- #282 Two-pass min1/min2 cnProc for BG1 and BG2.
- #310 doc(t2): Update T2 related documentation
- #330 Force RedCap UE on the initialBWP

2026.w29

Integration: 2026.w29

- #280 Optimize syscalls in GTP receiver/sender, GTP F1 UL callback optimization
- #287 demote LOG_E for RRC Release with deprioritisationReq
- #259 [FHI72] Remove xran F release support
- #286 NR_PHY: Optimize layer demapping for PDSCH/PUSCH receiver performance
- #248 Allocate multiple UEs in one slot (DL/UL)
- #283 Update WLS library dependencies
- #284 Update OpenAirInterface repository links to the new Duranta Project repository
- #301 fix(t2): Accept CBs decoded across separate HARQ rounds
- #302 fix(phy): Fix an uninitialized variable bug in dot_product
- #303 fix(phy): use simde_mm_setr_epi16 to initialize alpha_128 in rotate_cpx_vector
- #298 ITTI: cleanup memset after alloc, adopt calloc_or_fail
- #299 Update the OAI UE config parameters check range with the standard SST and SD values
- #268 nfapi: support SRS channel reports for 64 gNB antenna elements
- fix for WLS PR
- #304 fix(PHY): compare NID2 instead of NID1 in rx_sss_nr() coherence check
- #277 chore: migrate FlexRIC submodule to GitHub
- #195 Add cell-level E2SM-KPM measurements
- #300 CI: Update Aerial setup to 26-1

2026.w28

Integration: 2026.w28

- #235 RRC fixes
- #247 Enforce N_PRB=2^x3^y5^z in SC-FDMA uplink scheduler
- #274 Fix PSS correlation peak value and average value on the OAI UE logs
- #261 ci: Speedup fhi72 dockerfiles
- #273 Simplifications for xran builds
- #270 xran: fixes for FDD operation
- #281 Handle invalid input in nr_get_E
- #149 fix(zmq): speedup zmq radio
- #260 O-RU first fix pass
- #202 doc: add a Git guide (commit signing, branch management, rerere)
- #249 SDAP header handling fixes
- #199 UE: implement TRS processing in PHY
- #197 Bump SIMDE commit to the most up-to-date (1c68d9a)

2026.w27

Integration: 2026.w27

- #227 Cleanup: NGAP reconnection debug log
- #233 fix: proper SA/NSA mode detection
- #239 Fix function init_context_sss_nr()
- #256 ci: Move test pcaps to github
- #244 fix(zmq): Fix clang compiler warnings in zmq radio
- #220 fix(NR_UE): gate half-frame PBCH mirror on caller-provided ssb_period
- #257 [FHI72] Update the xran K release tag due to the PR https://github.com/openairinterface/o-du-phy/pull/3
- #192 DLSIM test for type0 PDSCH frequency allocation
- #238 minorfix(imscope): moving alignas from struct type to atomic variable
- #255 ci: Speedup unit test dockerfile
- #217 NAS: refactor Identity Request handler and enforce spec-compliant security checks
- #243 Clean up openair0_device, remove eth_params usage in L2/L3
- #204 Implementation of the E3 Agent for dApps and E3AP (no service models)
- #258 NR UE: add assert for reserved bits per symbol not multiple of Qm
- #253 CI: Collect amariue logs, update eNB configs
- #203 CI: Add label check and signature verification in GitHub Actions

fhi72-pcaps

2026.w26

Integration: 2026.w26

- #221 Fix for issue 216
- #224 Bugfix PUCCH Format 2
- #210 Cleanup NR RU options
- #223 fix (f1ap): DRB-Information criticality and non-dynamic fiveQI handling in DU
- #218 fix (nas): parse UE Registration Reject and add NAS connection release
- remove OAI logo (image) due to possible trademark problems
- #194 NGAP Procedures for Xn Handover: Path Switch Request and Path Switch Request Acknowledge
- #235 fix(vrtsim): Reduce OS scheduler pressure caused by vrtsim timing thread
- #211 Add NR O-RU
- #241 fix: Make test_vrtsim stable

2026.w25

Integration: `2026.w25`

- #150 fronthaul library fixes
- #176 Change ambigous language in Aerial_FAPI_Split_Tutorial.md
- #144 Fix vrtsim antenna configs
- #178 XNAP: Add encode/decode+unit tests for Xn HO Cancel, HO Success, RAN Paging
- #154 Fix UE PUCCH resource multiplexing
- #189 Add nr_dlbench: standalone DL scheduler + PHY TX benchmark
- #151 Complete NR L2/L3 Paging path from F1AP to NAS (gNB and UE)
- #201 [FHI72] Improve the fronthaul doc
- #139 Improvements in UCI on PUSCH implementation at UE
- #206 RAN and UE Roadmap
- #188 CI: Add UE timing phytest

2026.w24

Integration: `2026.w24`

- #145 RLC data req: Use API to fill multiple RLC PDUs at gNB
- #160 ci: maintainer approval for additional file changes and update maintainer's contact
- #146 Unit tests for bit functions
- #142 UE DL Channel compensation and LLR optimization
- #166 CI OCUDU configuration changes
- #170 fix(fhi72): add observability to the O-DU
- #173 fix(f1): DRB Information has criticality ignore
- #171 Local ssb detection

2026.w22

Integration 2026 week 22

* !4140 Fix evaluation of PMI and CQI report when there is no RI report
* !4125 fix(phy): prevent division by zero in nr_csi_rs_pmi_estimation
* !4134 Add SRS LS and RSRP measurement logging for indoor positioning research
* !4086 vrtsim: Refactor peer antenna configuration and taps_client
* !4108 XNAP: Add encode/decode+unit tests for Xn HO Ack, Prep Failure, SN Status Transfer, UE Context Release
* !4096 O-RU fronthaul library
* !4147 1-port CQI report
* !4133 fix(config): fix memory safety, memory leaks, and add unit test coverage
* !4084 gold_cache: replace linear search with open-addressing hash table
* !4150 fix a few issues with unit tests
* !3827 Antenna port indexing of txdataF using FAPI spatial stream indices
* !4138 [FHI72] [M-plane] Implement dynamic compression
* !4144 fix(fhi72): Fix use-after-free bug in fhi_72 lib
* !3890 Fixes for multiplexing pattern 3 operations in FR2
* !4145 fix(vrtsim): handle CLOCK_REALTIME jump after PTP sync
* !4151 minor: fix nr rlc test make-based compilation
* !4141 wrong usage of extern declaration in C files, header cleanup
* !4153 doc: update 7.2 tutorial hardware and os configuration and add a doc to list supported hardware and OS
* !4066 Separate nfapi_p5.c into LTE and NR implementations
* !4098 [CI OAI-FlexRIC] Improve CI pipeline
* !3723 Support for aperiodic SRS at gNB
* !4076 Fix imscope and tracy build
* Fix the undefined `res` parameter if not defined K_RELEASE
* CI: Adjust timing thresholds in RAN-gNB-N300-Timing-Phytest-LDPC
* !3553 Add automated FHI72 4x4 nightly testing
* !4142 CI: Cleanup of Jenkinsfiles and parameters
* Adjust do_SRS after merge of !3723

2026.w21

Integration 2026 week 21

* !4130 Add RHEL 9.8 to list of supported distributions
* !4135 fix(clang): disable default-const-init-field-unsafe
* !4118 NR UE: remove hardcoded 64KB limit for UE capability file
* !4120 bugfix: fix A3 event configuration
* !4056 restructuring of UE DLSCH code to handle 2 codewords
* !4132 Cleanup conflict leftover in doc/SW_archi.md
* !4113 move vrtsim channel and per-UE param configuration from CLI flags to config file
* !4127 Bugfix overflow uint16_t variable when FFT size is 6144
* !3902 Refactor DLSCH/ULSCH scheduler: extract proportional fair policy behind function pointer interface
* !4136 hotfix for correct GFNI detection
* !4112 NAS UE Service Request fixes and improvements for Paging
* !4128 Iterate all NZP-CSI-RS resources per ResourceSet in scheduler
* !4131 Fix 8 DL ports
* !4137 changes in cudaMemadvise/cudaPrefetch API for v13
* !4122 Add Fedora 44/Ubuntu 26 to list of supported distributions
* !4117 NR_MAC/PHY: align SRS time_start_position semantics between L2 and L1
* !4129 CI: Clone from internal git repo
* !4124 Preparatory changes for LDPC CUDA integration

2026.w20

Integration 2026 week 20

- !4110 T-tracer: fix UE_PHY_PDSCH_IQ event fields
- !4114 nrUE: fix noise_power_dB field name in config
- !4109 prepare FAPI PUCCH PDU for MSG4 ACK in advance
- !4115 gNB specific RC
- !4042 Fix Wt (orthogonal code) multiplication for PUSCH DMRS length 2 and noise power estimation
- !4101 bug: LTE: avoid RRC use-after-free, NR: gNB-DU config update: verify cell's origin DU
- ci: skip merge commits when validating Signed-off-by
- !4047 XNAP: add encode/decode, helpers, and unit test for Xn Handover Request
- !4119 Remove PUCCH formar limitation in PRB size function
- !4083 nr_rate_matching: replace byte-by-byte repetition loop with memcpy chunks
- !4121 Collect iperf logs if command fails
- !4116 CI: Cleanup of parameters, change of branch and image naming, remove BuildProxy
- CI: Adjust RAN-PhySim-GraceHopper-5G timing thresholds

2026.w19

Integration 2026 week 19

* ci: post MR validation comments only on warnings or errors in pre-ci-check
* ci: skip merge-commit validation for integration branches
* !4088 fixing wrong logic for SIMO and MISO AWGN channels
* !4052 Add OAI - WNC gNB config file
* !4091 Fix build with unit tests, build all in CI
* !4089 Fixing broken nr-cu-nrppa-test simulator and nr-ue-nas-simualtor
* !4099 Allow control signal level at input of OFDM modulator
* !4092 Remove more unused parameters
* !4102 nr-cuup-load-test: avoid unaligned memory access
* !4077 Update microamp FR2 doc for firmware 0.1.174
* !3960 fix: issue 1054 - Config: Creating New Array members via command line arguments
* !3810 UE symbol based PBCH, PSBCH receiver
* !4103 Update CN5G images to stable release `v2.2.1`
* !3814 Multi-QoS Handling and PDU Session Modify
* !4064 FAPI: fix UCI payload byte length for bit_len multiples of 8
* !4078 [M-plane] Improvements, fixes + Add CI M-plane pipeline

2026.w18

Integration 2026 week 18

* !4070 fix(nrLDPC_coding): Remove ldpc_xdma
* !4068 fix(radio): Make write_reorder context thread-safe
* !4031 Add AoA selection to vrtsim
* !4071 Add 200MHz DDDSU Liteon configuration file
* !4080 spsc_q: make compile on older compilers
* !4081 fix (F1 Handover): do not trigger when no DRB is configured
* !4072 UE PRACH slot fix
* !4082 fixing typo in AWGN calculation
* !4049 Validate signed MR commits and update contribution guidelines
* !4087 Remove unnecessary log