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srsLTE
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343 Commits

Author SHA1 Message Date
Xavier Arteaga d49734b1bc SRSENB: Refactor to accomodate 5G NR 2021-06-28 00:27:36 +02:00
Francisco de05e1e549 sched,nr: fix invalid memory write 2021-06-24 16:22:42 +01:00
Francisco 75153c7c83 sched,nr: implementation of sched sim test class 2021-06-24 16:22:42 +01:00
Francisco f1b3cfc764 sched,nr: implementation of sched NR harq retxs. Refactor of rb grid classes. 2021-06-24 16:22:42 +01:00
Francisco d950433cbd sched,nr: fix time-domain parallelization sched nr test. creation of util class to handle acquisition of boolean resources 2021-06-24 16:22:42 +01:00
Francisco 35a236b1b9 sched,nr: fix sched_nr_test. Resolve data race issues. Created new config structs used across the scheduler. 2021-06-24 16:22:42 +01:00
Francisco 407da794e1 sched,nr: implementation of slot grid class 2021-06-24 16:22:42 +01:00
Francisco 4fa27f3841 sched,nr: implementation of main classes for NR scheduler, and basic test for concurrency 2021-06-24 16:22:42 +01:00
Francisco 78acf81cf0 bugfix,sched: avoid instability in TPCs around PHR~0 2021-06-21 17:35:24 +01:00
Ismael Gomez 02ec4dd3d0 Remove unused variable 2021-06-18 23:17:14 +02:00
Ismael Gomez dd9889e07c Add carrier index to uplink PCAP captures 2021-06-18 23:17:14 +02:00
Francisco 5a82a63bb5 bugfix,srsenb: fix intraenb handover softbuffer allocation during handover 2021-06-16 10:21:13 +01:00
Francisco d5234b5f65 sched,bugfix: avoid using UL SNR average in tpc control loop 2021-06-15 19:12:24 +01:00
Francisco e8983b88f0 refactor: use enb_cc_idx instead of ue_cc_idx in mac::ue 2021-06-14 13:18:47 +01:00
Andre Puschmann f65faba756 sched_harq: fix uninitialized values in HARQ 
detected with Valgrind memcheck
 2021-06-05 11:04:33 +02:00
Francisco 7e77da6a15 mac,optimization: use rnti memory pool to create mac::ue objects 2021-06-04 21:29:13 +01:00
Francisco fd1d73666c bugfix,srsenb,mac: avoid sanity check for UL PDU length if CRC=KO 2021-06-04 20:03:38 +01:00
Francisco 76004a3054 enb,mac,refactor: mac::ue now uses byte_buffer_pool for UL PDUs 2021-06-04 20:03:38 +01:00
Francisco 9e2a7d4592 bugfix,tpc: only cap PUSCH TPC when PHR is negative. I also extended TPC unit test 2021-06-04 17:39:51 +01:00
Francisco bdc4362475 bugfix,tpc: place a cap on TPC due to PHR only when TPC is positive 2021-06-04 17:39:51 +01:00
Francisco 7badfb1c88 bugfix: avoid multiple TPC=0 for a single PHR<0 2021-06-04 17:39:51 +01:00
Francisco e2c37ad513 bugfix: missing early return in TPC derivation 2021-06-04 17:39:51 +01:00
Andre Puschmann c0be8187c8 rlc interface: convert entire read_pdu() interface to return uint32_t 
we had it returning int but had a bug in using the return value properly,
i.e. handling when -1 was returned in RLC TM.

Thinking about it more, it doesn't make sense to have a negative return
value here anyway. Either the RLC can return a PDU or not. If it can't the
returned lenght is zero.
 2021-06-04 13:23:54 +02:00
Francisco ceaef3523f sched,feature: Enable setting the target PHR below which the maximum UL grant size starts decreasing 2021-06-03 15:33:38 +01:00
Francisco 486823e5de sched,bugfix: The PHR handling scheme now considers the number of PRBs of the UL grant that carried the PHR. Before, it was assuming the most conservative scenario of Nprb=1 2021-06-03 15:33:38 +01:00
Francisco f7aef3ffc1 sched,bugfix: fix nof_retx update when UL HARQs are resumed 2021-06-02 20:21:32 +01:00
Francisco 89406b07d6 make eNB UL SNR initial value an exponential average alpha configurable 2021-06-02 10:08:34 +01:00
Francisco 2cdda3b6db sched,enhancement: allow PUSCH allocations when PHICH falls in measurement Gap by resuming UL HARQ 2021-05-31 23:59:46 +01:00
Francisco 200006c4b7 bugfix,scheduler: avoid offset to increase decrease unboundedly when mcs is equal to 0 or max_mcs 2021-05-28 17:21:10 +02:00
Francisco 7076dbfef8 feature, scheduler: Add configuration parameter to set minimum TTI interval between TPCs 2021-05-25 21:51:10 +02:00
Francisco 4627ae9802 bugfix, scheduler: effectively disable adaptive mcs when target bler is unspecified 2021-05-25 21:51:10 +02:00
Francisco dedd9c09a7 feature, scheduler: Add abitility to set minimum aggregation level in PDCCH, and disable adaptive aggregation level based on target BLER 2021-05-25 21:50:56 +02:00
Francisco c5029fc266 feature - implement adaptive link adaptation in DL and UL 2021-05-24 19:33:27 +02:00
Francisco a17e3b71e7 set minimum snr under which the UL SNR estimate is not updated 2021-05-24 17:25:07 +02:00
Francisco 8df6ed07c6 sched small fixes - use 0.930 instead of 0.932 for max coderate. Allow computing mcs/tbs based on max coderate directly. Other small fixes 2021-05-24 17:25:07 +02:00
yagoda f90f6f0c7e adding MAC 0 padding support 2021-05-20 10:26:50 +02:00
Francisco 0e0835a805 move scheduler rbg/prb/cce mask and interval types and associated helper functions to a separate file 2021-05-17 14:30:23 +01:00
Francisco 4d3ff0d139 implementation of basic search for optimal rbgmask for subband CQI 2021-05-14 19:58:03 +01:00
Francisco f8b6eae2bf use of min DL cqi across all PRBS to compute required DL PRBs 2021-05-14 19:58:03 +01:00
Francisco 8564996eaf fix sched_dl_cqi method to compute cqi-optimal rbgmask 2021-05-14 19:58:03 +01:00
Francisco 485c6ee129 subband CQI feature - add K parameter in sched_interface::ue_cfg_t and update it from RRC 2021-05-14 19:58:03 +01:00
Francisco 84ad6dd8ee Integrated new sched_dl_cqi class in sched_ue_cell 
- extend sched_dl_cqi interface to allow getting tti when cqi was last updated
- extend sched_dl_cqi to quickly get average cqi across the whole bandwidth
 2021-05-14 19:58:03 +01:00
Francisco 16d05ff042 Remove time exponential averaging of DL cqi 
- renaming: sched_cqi -> sched_dl_cqi
- testing: add unit test for sched_dl_cqi wideband cqi mode.
- feature: remove time exponential averaging of dl cqi
 2021-05-14 19:58:03 +01:00
Francisco 28c24a89ef sched subband cqi - create method to get cqi-optimal RBG mask 2021-05-14 19:58:03 +01:00
Francisco eeb8ad6571 sched,feature - creation of sched_cqi class to manage the update of CQI in a subband CQI setting 2021-05-14 19:58:03 +01:00
Francisco b54bb35343 use rnti_map_t in scheduler 2021-05-07 10:58:04 +01:00
Francisco 1677abce8d create typedef for circular map of rntis. check return of gtpu ue creation 2021-05-07 10:58:04 +01:00
Francisco b619a2b649 application of new cache allocator to deques in scheduler 2021-05-06 18:06:10 +01:00
Francisco 04ded030ea srsenb,bugfix - avoid logging error message when UE sends CRNTI MAC CE for old rnti whose context has already been erased. 2021-05-03 21:43:48 +01:00
Francisco f7016633d2 sched, fix - avoid tpc commands when target pusch and pucch snr are not specified 2021-05-03 17:43:41 +01:00