Commit Graph

312 Commits

Author SHA1 Message Date
Francisco Paisana ce884ee4c6 sched: fix sched DL RBG allocation for subband CQI 2021-07-29 13:57:06 +02:00
Francisco Paisana 1f118aa238 sched: fix ul max coderate derivation 2021-07-29 13:57:06 +02:00
Francisco Paisana 12e33483e1 sched,nr: add slot_point to sched nr 2021-07-26 11:52:07 +02:00
Francisco Paisana 61a73d5187 sched: add missing checks for prachs with tti duration above 1msec 2021-07-21 16:24:04 +02:00
Francisco Paisana 592d9332ba sched,nr: add logic for allocation of RAR and Msg3 grants 2021-07-21 15:07:10 +02:00
Francisco Paisana 660b66dbe3 sched,nr: add option to run phy nr test with real NR scheduler 2021-07-19 16:04:46 +02:00
Francisco Paisana e6683b7387 sched,nr: simplify scheduler threading architecture to reflect the new cc-based parallelism model 2021-07-16 22:57:55 +02:00
Francisco Paisana 09c7000201 sched,nr: update nr scheduler to use new mac nr interface types 2021-07-15 21:56:47 +02:00
Francisco Paisana 8a34a3c41a sched,nr: fix compilation issues in centos7 and removed unused variables 2021-07-15 21:56:47 +02:00
Francisco Paisana d9336bcd9e sched,nr: creation of pool of softbuffers for NR. Now the sched NR harq manages the lifetime of the softbuffer and its forwarding to the PHY 2021-07-15 21:56:47 +02:00
Francisco Paisana 1535e6b205 sched,nr: extend sched nr testing suite. restrict paralllelization for correct DAI generation 2021-07-15 21:56:47 +02:00
Francisco Paisana 323703c2f3 sched,nr: measure latency of sched nr in test 2021-07-15 21:56:47 +02:00
Francisco Paisana d63ea00a5d sched,nr: use PRBs instead of RBGs as the basic unit for PRB grants in the NR scheduler 2021-07-15 21:56:47 +02:00
Francisco Paisana b81cbd1334 sched,nr: redesign the order available search spaces/coresets are found in the scheduler 2021-07-15 21:56:47 +02:00
Francisco Paisana dd3c9b4d7e sched,nr: utilization of common bwp params structure across multiple sched objects 2021-07-15 21:56:47 +02:00
Francisco Paisana 4f0b954cde sched,nr: changed scheduler nr api to not require slot_indication function 2021-07-15 21:56:47 +02:00
Francisco Paisana 23afc66a86 sched,nr: implementation of PUCCH HARQ allocation in NR 2021-07-15 21:56:47 +02:00
Francisco Paisana bcc374c2cd implement TDD DL vs UL slot activation 2021-07-15 21:56:47 +02:00
Francisco Paisana f87f898641 sched,nr: extend coreset pdcch allocation to UL 2021-07-15 21:56:47 +02:00
David Rupprecht f90e359208 Moved cp to test common 2021-07-02 17:23:06 +02:00
Francisco 4c316aa9ea sched,nr: integrate mac-phy interface types into the scheduler 2021-06-29 14:19:35 +02:00
Francisco 5b3c5ded63 sched,nr: implement NR PDCCH allocation algorithm 2021-06-29 14:19:35 +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
Francisco 6ababf401b feature,sched: allow setting initial DL CQI in enb.conf 2021-06-14 15:55:23 +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 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 3b61df4b64 test,sched: update TPC test to reflect changes in SNR estimatioN 2021-06-02 10:08:34 +01:00
Francisco f80c591127 sched,bugfix: fix scheduler CA test 2021-05-31 23:59:46 +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 a8cccd7a10 bugfix, sched: fix aggregation level derivation to avoid L > 3 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 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
Francisco 52ef23f40e fix sched benchmark test 2021-05-19 13:11:39 +01:00
Francisco f0f99c1e4f update sched benchmark, created unit test to cover rbg search algorithms, improved algorithms to search for empty rbgs 2021-05-19 11:43:39 +01:00
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 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 f7016633d2 sched, fix - avoid tpc commands when target pusch and pucch snr are not specified 2021-05-03 17:43:41 +01:00
Francisco d3c51fdad4 limit minimum UL grant size to accommodate both BSR and RLC headers 2021-05-03 17:43:41 +01:00
Francisco 01eace2631 rrc paging mechanism improvements
- moved paging record handling to separate class
- parallel access to pending pcch messages by phy workers based on TTI and without common lock
- asn1 pcch message packing now takes place in stack thread, to avoid real-time issues
2021-05-03 15:58:21 +01:00
Francisco Paisana d39183419c
Separate TPC PUSCH and PUCCH target SINR (#2740)
* separate target pusch and pucch sinr configurations in tpc class and rr.conf
2021-04-27 10:12:40 +01:00
David Rupprecht a064e85c54 rename common lte header 2021-04-19 22:23:59 +02:00
Ismael Gomez 77b11b82ac
Release UE if no activity in DRB (#2658)
* Count user activity with DRB only and SRBs for initial procedures. Add counter to release user after max KO in UL.
2021-04-15 19:13:01 +02:00
Francisco f7a8b8bf94 separate drb srb ids into separate enum types 2021-04-12 13:21:43 +01:00
Francisco 21718af3b6 avoid allocating std::string to get lcid radio bearer name. Refactored the lte radio bearer enum type 2021-04-12 13:21:43 +01:00
Francisco 60d5c6df7b implementation of memory pool with individual memory blocks per UE that get accessed via their rnti 2021-04-09 12:54:22 +01:00
Pedro Alvarez 8194b5ec73 Added check for consequetive KOs in MAC. Change set_activity_user to pass activity and max KOs to RRC and trigger RLF timeout. 2021-04-01 13:21:43 +01:00
Francisco 5eccfad05b gtpu - added comments, updated expected construct, handled in rrc the case a gtpu teid fails to allocate 2021-03-29 10:20:55 +01:00
Francisco b5692037a2 created macros for assertions and warnings. The assert macro prints the whole callstack on crash. The warning macro can just log a warning or call an assertion fail depending on the cmake flag STOP_ON_WARNING 2021-03-23 10:49:28 +00:00
Codebot 4523ee6087 rename srsLTE to srsRAN 2021-03-21 21:47:01 +01:00
Francisco 2054ad3f3c eliminate old BFS-based PDCCH allocator. Improvement the scheduler speed by ~2x 2021-03-19 16:31:06 +00:00
Francisco 6bec92fbc9 using new DFS-based PDCCH allocator as a default 2021-03-19 16:31:06 +00:00
Francisco 8347cabe4f implemented a DFS-based PDCCH allocator 2021-03-19 16:31:06 +00:00
Francisco d646111aa9 refactor sched dci unit test 2021-03-18 17:04:45 +00:00
Francisco d6bae76698 extend cch allocation unit tests to verify optimal cfi and DCI position selection for 6 PRBs 2021-03-18 17:04:45 +00:00
Francisco d5750f6fe6 refactor - update of clang-tidy project file. automatic clang-tidy refactors 2021-03-18 17:04:45 +00:00
Francisco 0d91802495 sched optimization - swap c-arrays for bounded_vector in sched_interface to reduce time performing bzero/memcpy in the scheduler 2021-03-17 19:54:44 +00:00
Francisco c0a90c5aa8 refactored sf result resetting to avoid realloc of memory 2021-03-17 19:54:44 +00:00
Francisco c3a4cb37f4 extension of sched benchmark test to allow different testing modes - test rates, benchmark, test different combinations of sched parameters 2021-03-17 12:12:36 +00:00
Francisco ac4d058fbf correct verification of sched rates in sched benchmark test 2021-03-17 12:12:36 +00:00
Francisco d334907afe sched - wrote benchmark to detect regressions in DL/UL data rates, and to analyse the total latency of the scheduler 2021-03-17 12:12:36 +00:00
Francisco 248f05bf08 sched,bugfix - fix optimal cfi computation for sib/rar allocations 2021-03-16 19:27:25 +00:00
Francisco 19a043683c bugfix - fix compilation issue in gcc10. The interfaces don't have virtual dtors 2021-03-16 19:27:25 +00:00
Francisco 884c1b04d2 sched,test - add test to verify cch allocator ability to undo last allocation 2021-03-16 19:27:25 +00:00
Francisco 1f35c4dc8b sched, feature enhancement, bugfix - allow RAR DL grants with variable PRB size
Some bug fixes had to be solved:
- the cfi cannot be dynamic once we set a SIB/paging/RAR allocation. This is too avoid effective coderate to exceed its maximum
- the previous bugfix required adding the feature to cancel the last PDCCH+PDSCH allocation
2021-03-16 19:27:25 +00:00
Francisco 47f1175502 [sched, feature enhancement] - allow variable nof prbs allocated per SIB / Paging message 2021-03-16 19:27:25 +00:00
Francisco 76103065f7 collapse the 2-stage DCI generation process of SIB/Paging/RAR into one single stage in the scheduler. 2021-03-16 19:27:25 +00:00
Francisco 3a4ae3d69d extended broadcast+RAR DCI encoding scheduler tests 2021-03-16 19:27:25 +00:00
Francisco 16b5e1fd4d fix collision detection of n1pucch for the ACK and SR in the scheduler 2021-03-12 20:07:32 +00:00
Francisco 3e9f93eb8a refactor - remove old log_filter and logmap libraries from the codebase 2021-03-11 20:10:54 +00:00
Francisco fbbbf7886c sched,bugfix - reset harq used for msg3 correctly 2021-03-10 22:42:39 +00:00
Francisco d1483dc0f8 sched,bugfix - fix bitmask formatting. fix msg3 adaptive retx pdcch allocation 2021-03-10 22:42:39 +00:00
Francisco 20e341d0a1 mac,bugfix - fixed formatting of MAC and scheduler user-defined types 2021-03-09 16:23:08 +00:00
Francisco d77b6e1d9c sched,optimization,refactor - use of custom formatter that avoids mallocs for getting bitmasks strings in hex and binary formats 2021-03-09 16:23:08 +00:00
Francisco b79d09e83f remove commented code from sched dci test 2021-03-06 20:49:05 +01:00
Francisco fb04fdbe69 sched,bugfix - fix mcs/tbs computation for 256-QAM. 2021-03-06 20:49:05 +01:00
Francisco 102cb196e1 Addition of enb cfg option to choose between PUCCH with multiplexing and without. Change default prach offset to 4.
- The new prach offset of 4 accounts for the size of the PUCCH-ACK region with 100 prbs
2021-03-05 14:59:44 +01:00
Francisco 34e39a9835 Implementation of scheduler algorithm to avoid PUCCH collisions
- The cch_allocator considers the existence of a fixed PUCCH region dedicated to CQI, SR, and HARQ ACKs
- At the moment PUCCH multiplexing is not considered
- The PUCCH width was increased to accommodate possible PUCCH-ACK positions
2021-03-05 14:59:44 +01:00
Francisco 39aea96c69 fix sched tests UL HARQs. Set common pucch cfg in the sched tests 2021-03-05 14:59:44 +01:00
Francisco 7dcfe7bf0e sched: updated tbs calculation test. Fix edge cases that failed the test. 2021-03-04 23:40:35 +01:00
Francisco ed8ab3871c re-designed algorithm to compute lowest mcs that meets cqi,req_bytes,nof_prbs requirements in the scheduler 2021-03-04 23:40:35 +01:00
Francisco 3dd7877199 wrote unit test to check tbs,mcs derivation based on cqi,nof_prb in scheduler 2021-03-04 23:40:35 +01:00
Francisco 4b09507c19 remove srslte.h includes from upper layers 2021-02-26 16:44:57 +01:00
Francisco 13d805ef56 move ue rrc interfaces to separate interfaces header file 2021-02-26 16:44:57 +01:00
Francisco 9a9ed01dda rename pdcch_sched to sf_cch_allocator 2021-02-19 17:34:55 +01:00
Francisco 9546634b37 use unique_ptr for sched_ue database in scheduler. This will minimize the time spent locking while adding new users 2021-02-17 11:04:07 +01:00
Francisco c1adaec038 refactored cce position table structs 2021-02-16 21:22:40 +01:00