1. 20 Jan, 2021 1 commit
    • Guido Casati's avatar
      UE UL scheduling review · 9f6a8da0
      Guido Casati authored and Thomas Schlichter's avatar Thomas Schlichter committed
      - new data structure RAR_grant_t to handle RAR grant
      - new common ul scheduler function
      - new common ul pdu configuration function handling ul grants
      - new function to fill ul_config_request
      - moved pdu configuration code from process dci function
      - merged procedures for Msg3 and PUSCH together in nr_ue_scheduler
      - the same functions are now handling both PUSCH and Msg3
      - relying on ul_config (no more RA Msg3 frame and slot storage)
      - done some cleanup and logging in the process
  2. 15 Jan, 2021 9 commits
  3. 11 Jan, 2021 4 commits
    • Guido Casati's avatar
      Cleanup MAC UE of unused struct members · cd36314d
      Guido Casati authored
    • Guido Casati's avatar
      UE Msg2 reception review · ad230dcc
      Guido Casati authored
      - enhancement of DL indication flow for Msg2 (RAR)
      - merging interface procedures to handle DLSCH and RAR together
      - better separation of MAC and PHY functionalities
      - cleanup of double ambiguous functions to process RAR
      - merging functions to process TA command into the ue_ta_procedures function
      - enhancement of logging and formatting in the process
    • Guido Casati's avatar
    • Guido Casati's avatar
      Review of UE DL indication · 3e893b0d
      Guido Casati authored
      - moved fill_dl_indication to phy procedures
      - introduced a new function to fill the RX indication
      - replaced redundant configuration code with the fill functions
      - extended the function to fill the rx indication
      - handling different dl pdus types
      - cleanup of redundant code
  4. 27 Dec, 2020 18 commits
  5. 18 Dec, 2020 1 commit
    • Remi Hardy's avatar
      Integration 2020 wk51 2 · d23a7e83
      Remi Hardy authored
      MR991: Remove hack in LTE PDCP for noS1 mode  
      - Removes a hack which was used when LTE PDCP was used for NR in noS1 mode
      MR993: UL and DL fixes LDPC short codewords 
      - Fix UL & DL LDPC decoding for short LDPC code, e.g. Z_c is not multiple of 8
      - Fix DLSCH data transmission with multiple DMRS symbols per slot
      - small TA fixes on OAI 5G NR UE
      - Implemented CQI measurement at NR UE
      - NR UE cleanup 
      MR1000: doc: fix build directory in BASIC_SIM.md
  6. 16 Dec, 2020 3 commits
  7. 15 Dec, 2020 2 commits
    • Thomas Schlichter's avatar
    • Remi Hardy's avatar
      Integration 2020 wk51 · e37c844b
      Remi Hardy authored
      MR960: 256 QAM demodulation routines  
      - Added functions for demodulation of 256 QAM signals.
      - Added a command line flag to enable mcs table entry in PDSCH-Config in RRC to use 2nd MCS table for PDSCH.
      - Added an option for using 256 QAM mcs table in nr_dlsim.
      MR989: Docker and Deployment improvements (CI)  
      - Image generation for eNB --> template for configuration files and dedicated entrypoint in Ubuntu
      - Docker-compose-based EPC deploy
      - Traffic test fully validated using the `trf-gen` container
      - Flexran-rtc support when deployed in a container (Not fully done for the X2 Handover part)
      - Added docker-compose-based eNB deployment
      - Retrieve logs for such eNB deploymnent 
      - Functional and log  update of nsa fr1 test but valid for gNB terminate also (enhanced ping stats and gNB markers)
      MR992: Fix data transmission in "do-ra" mode
      - UL and DL Traffic works now in do-ra mode, but there are still some PUCCH issues remaining. These issues are harming the acknowledgement of DL packets, and thus leading to unnecessary retransmissions.
      The relevant warnings at UE are:
      `PUCCH Invalid pucch resource indicator: at line 1082 in function select_pucch_resource of file openair1/SCHED_NR_UE/pucch_uci_ue_nr.c`
      `PUCCH Error for number of bits for acknowledgment : at line 909 in function get_downlink_ack of file openair1/SCHED_NR_UE/pucch_uci_ue_nr.c`
      Note: UE needs rbconfig.raw and reconfig.raw files from the *currently* running gNB, as the C-RNTI is random and different for each run.
  8. 14 Dec, 2020 2 commits