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srsLTE
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267 Commits

Author SHA1 Message Date
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
Francisco 823da24a8e removed uneeded sched method to set sched algorithm, and made configured flag atomic 2021-02-16 21:22:40 +01:00
Francisco 6b3cf6c597 moved pdcch sched to separate file 2021-02-16 21:22:40 +01:00
Francisco 23459dee28 Created enb_{rlc/pdcp/gtpu/phy_interfaces.h files. 2021-02-12 16:36:50 +01:00
faluco 5c8923123a Misc compilation fixes from the fapi repo. 2021-02-11 15:38:50 +01:00
faluco 199f1c953e Remove unneeded logmap headers. 2021-02-03 14:15:27 +01:00
faluco 711438f756
Port enb specific classes to use srslog (#2155) 
* - Started porting the enb PHY layer to use srslog loggers.
- Updated srslog to manage the none level.

* Finished porting enb phy layer including the NR part.

* Ported MAC, GTPU, PDCP, RLC and S1AP enb classes to use srslog.

* Use new stack logger.

* Ported the enb RRC clases to use srslog.

* Remove unused log macros.

* Replace loggers in sched, sched_carrier, sched_helpers.

* Replaced loggers in sched grid.

* Replaced loggers in sched harq.

* Replaced loggers in sched ue.

* Replaced loggers in sched ue ctrl.

* Replace loggers in sched ue ctrl TPC.

* Replaced loggers in sched subclasses.

* Replaced loggers in rrc_meascfg_test

* Configure loggers in rrc_mobility_test.

* Fix compilation errors left out after the rebase.

* - Implement a custom log sink that will serve as a test spy to intercept and count the number of error and warning log entries.
- Adapt the erab_test_setup and rrc_mobility tests to use this new class and make them pass again.

* - Remove trailing new lines introduced in the rebase.
- Ported the sched_ue_cell class to srslog.

* Remove unused log member.

* Ported mac tests to srslog.

* - Removed remaining trailing newlines from log entries.

* Fix compiler errors detected in CI.

* Fix another static variable without definition passed to log lines.

* Fixed a bug in srslog::flush that would never end when the backend queue is full.

* Fetch the RRC logger instead of injecting it in the constructor.
 2021-01-28 12:17:18 +01:00
Francisco Paisana 3892194d98 sched refactor, use enb_cc_idx rather than ue_cc_idx primarily to avoid uneeded conversions 2021-01-21 17:04:25 +00:00
Francisco 7f6f3f7912 fix sched test check for ConRes DCI format. 2021-01-20 17:11:04 +01:00
Francisco Paisana d0a17b0a40 created sched_ue_cell class that is indexed based on enb_cc_idx 2021-01-15 23:24:39 +01:00
Francisco Paisana 2abe486e18 separate control loops for PUCCH and PUSCH TPC 2021-01-06 22:14:46 +01:00
Francisco Paisana 099dad8cb1 disable PHR handling in the UL sched by default 2020-12-17 17:56:42 +01:00
Francisco 783131a4e1 sched rand test refactor: removal of redundant tests 2020-12-12 15:59:27 +01:00
Francisco cba0cc457f sched rand test refactor: creation of abstract sched simulator class for testing 2020-12-12 15:59:27 +01:00
Francisco aed36eb273 sched rand tester refactor: elimination of ue_ctxt_test obsolete class 2020-12-12 15:59:27 +01:00
Francisco a068ae11b0 sched rand tester ue_sim class now handles cqi 2020-12-12 15:59:27 +01:00
Francisco 8f05982bef simplification of scheduling of UL acks in sched random tester 2020-12-12 15:59:27 +01:00
Francisco 86eb315102 simplification of scheduling of DL acks in sched tester 2020-12-12 15:59:27 +01:00
Francisco b4861bc59a move sched params and sched helper methods to sched_helpers.h/cc files. Removed place in the scheduler where the mcs is increased forcefully to avoid segmentation 2020-12-12 15:59:27 +01:00
Francisco 9eddfdb4a3 fix sched rand tester coderate check. tbs needs to be converted from bytes to bits 2020-12-12 15:59:27 +01:00
Francisco 0ae304a6ed update sched rand tester to detect when tbs coderate exceeds 0.93 2020-12-12 15:59:27 +01:00
Francisco 99f94d9a1a Bug fixes of srseNB scheduler TPC 
- fix encoding of TPC command
- use of exponential average with irregular sampling for the ULSNR average estimate.
  Turns out using a time-windowed average for the SNR was a bad idea.
  If the UL grants are very sporadic, the SNR time window will never have samples
  when a TPC is encoded
- update of TPC sched test
- other fixes in accumulators lib
 2020-12-12 15:59:27 +01:00
Francisco 2598989f7d replace msg3grant type from C-array to bounded vector 2020-12-12 15:59:27 +01:00
Francisco 69748e9313 fix compilation issue regarding definition of size_t in header and declaration of static member null_value in sliding average class 2020-12-12 15:59:27 +01:00
Francisco d42dc50c44 Write TPC sched unit test and fix sched logical channel test 2020-12-12 15:59:27 +01:00
Francisco 479602ed1d add option to specify target ul sinr for UL power control to the enb rr.conf parser 2020-12-12 15:59:27 +01:00
Francisco 5865df39d1 created class that implements the scheduler transmit power control and PHR handling 2020-12-12 15:59:27 +01:00
Francisco d98d14efcc remove tti_params struct from sched testers, and use tti_point instead 2020-12-12 15:59:26 +01:00
Francisco 86ab1864f7 The struct tti_point is now used ubiquitously in the scheduler 2020-12-12 15:59:26 +01:00
Francisco 8fb3ea6922 Added the ability to choose scheduling policy from enb.conf 
- The two options provided at the moment are time-domain RR and PF
 2020-12-12 15:59:26 +01:00
Francisco 64ee0ac2ef New statistics were added in the random sched tester 
- new stats allow to analyze the average bitrates of each user
- there is a new stat that computes the total of RBs allocated and total bitrate achieved by the scheduler
 2020-12-12 15:59:26 +01:00
Andre Puschmann 07d2bc4fe8 change license header to agnostic version with hint to root LICENSE file 2020-12-12 15:59:25 +01:00
Francisco 8d181ef41c Optimization of cc_sched_ue::cqi_to_tbs(...) method via the use of root-finding algorithm 2020-12-12 15:59:25 +01:00
Francisco 3d80ff4831 fix activation of PDCCH for adaptive retxs. 2020-12-12 15:59:25 +01:00
Francisco fc81a5c6ba harq ack state can now only be NACK or ACK. The ul_harq pending phich flag is now reset after phich scheduling. Thus, the existence of a crc_info(...) signal from the PHY is not required. 2020-12-12 15:59:25 +01:00
Francisco bb96625129 renaming lch_manager -> lch_ue_manager 2020-12-12 15:59:25 +01:00
Francisco a348508072 simplified sched_ue pending DL bytes calculation API 2020-12-12 15:59:25 +01:00
Francisco eae0dc93ad rename scheduler files. scheduler -> sched 2020-12-12 15:59:25 +01:00
Francisco Paisana 9ff0a9b254 fix random array index picker 2020-12-12 15:58:34 +01:00
Francisco Paisana 49a48c0130 add measgap awareness to scheduler metric and sf_sched. Add measGap test to random sched test suite. 2020-12-12 15:58:34 +01:00
Francisco Paisana ff7811c822 remove unused member variable from sched tester 2020-12-12 15:58:33 +01:00
Francisco Paisana 3407ac6741 fix ca sched test 2020-12-12 15:58:33 +01:00
Francisco Paisana e8ac98d06f added extra tbs and dci aggregation level checks to sched test suite 2020-12-12 15:58:33 +01:00
Francisco Paisana 5467ee9f83 moved more tests to ue-dedicated test suite 2020-12-12 15:58:33 +01:00
Francisco Paisana 992ea7fd29 moved UE-dedicated RA sched test to separate test suite file. 2020-12-12 15:58:33 +01:00
Francisco Paisana d5f6ccc0c4 integrated UL UE-dedicated sched tests in random test 2020-12-12 15:58:33 +01:00