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725 Commits (43e57df00b937f4c5614c78fbf2cc49e01af2645)

Author SHA1 Message Date
Francisco 43e0a3209d fill enb rrc metrics with drb info 4 years ago
Pedro Alvarez 7eebd71627 Added S1AP E-RAB release command/response handling to srsENB. 
Added the ability to srsEPC to send the E-RAB release command.
 4 years ago
Francisco cba0cc457f sched rand test refactor: creation of abstract sched simulator class for testing 4 years ago
Francisco a068ae11b0 sched rand tester ue_sim class now handles cqi 4 years ago
Codebot 43082e8d6a enb/ue: turn various warning messages into info 
turn events that may happen in the normal life of a eNB/UE
into info rather than warning to allow strict
warning/error checking in tests.
 4 years ago
David Rupprecht 848496bb0f Moved get_earfcn to srslte get_carrier_freq func 4 years ago
Francisco 37ee8bcf46 fix issue 2082 - ensure that sched does not exceeds max coderate while decreasing mcs 4 years ago
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 4 years ago
Francisco 920e15c1a5 fix logical channel pdu size computation 4 years ago
Ismael Gomez ae1092257f Fix issue in 15 PRB 2CA: Due to DCI format ambiguity, the scheduler needs to use Format1A instead of Format1. The number of PRB was incorrectly calculated when generating the grant, leading to corruptions in the MAC PDU. 4 years ago
Francisco 9eddfdb4a3 fix sched rand tester coderate check. tbs needs to be converted from bytes to bits 4 years ago
Francisco 0ae304a6ed update sched rand tester to detect when tbs coderate exceeds 0.93 4 years ago
Francisco 2598989f7d replace msg3grant type from C-array to bounded vector 4 years ago
Francisco 22229adf08 fix: normal phr is only sent for PCell 4 years ago
Francisco 8670558692 fix failing scheduler ca test 4 years ago
Francisco 479602ed1d add option to specify target ul sinr for UL power control to the enb rr.conf parser 4 years ago
Francisco 5865df39d1 created class that implements the scheduler transmit power control and PHR handling 4 years ago
Francisco 2b59e90304 fix: limit number of encoded PHICH in the scheduler to the max size of the array 4 years ago
Francisco 2b97b2c8bb add bound checks for data, bc, and rar allocations in the scheduler to avoid array overflows. 4 years ago
Francisco 86ab1864f7 The struct tti_point is now used ubiquitously in the scheduler 4 years ago
Pedro Alvarez 49bcffcdf8 Fix issue packing TEID in Error indication. 4 years ago
Pedro Alvarez 235f373af7 Started to add ability to send error indication when G-PDU from invalid TEID is received. 4 years ago
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
 4 years ago
Francisco b71e8075f4 Refactoring of scheduling algorithms 
- Use single interface for both DL and UL
- Wrote helper functions for tasks that are common to different algorithms
- created subfolder for all scheduling algorithms
 4 years ago
Francisco d7fae0b7a3 Implementation of time-domain PF scheduler 
- PF scheduling becomes the new default
 4 years ago
Andre Puschmann 07d2bc4fe8 change license header to agnostic version with hint to root LICENSE file 4 years ago
Francisco a5ef9f1eb9 potential fix for heap-overflow in scheduler, issue #2053. Added a bound check for the number RACH handled per tti. RACHs are ignored once the limit is surpassed. 4 years ago
Francisco 2fcb507de7 Fix gcc compilation errors with false_position_method in sched_ue.cc 4 years ago
Francisco 8d181ef41c Optimization of cc_sched_ue::cqi_to_tbs(...) method via the use of root-finding algorithm 4 years ago
Francisco 94efeab672 Optimization of sched_ue methods to derive required number of prbs to allocate to a rnti 
This optimization has been achieved by:
- implementation of "false position method" root-finding algorithm
- application of the false position method in cc_sched_ue::get_required_prb_dl/ul(...)

The number of iterations in the worst case scenario, reduced from 100 to 5 with
the proposed algorithm.
 4 years ago
Francisco f07e52129c increase mcs ul upper bound to 24 when ue is cat4 and enb supports 64qam. Simplified max_mcs computation 4 years ago
Francisco 3d80ff4831 fix activation of PDCCH for adaptive retxs. 4 years ago
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. 4 years ago
Francisco 3067e81e67 fix check of pending UL bytes 4 years ago
Francisco bb96625129 renaming lch_manager -> lch_ue_manager 4 years ago
Francisco a348508072 simplified sched_ue pending DL bytes calculation API 4 years ago
Francisco 0ffea62411 Wrote logging functions for SCHED MAC CE/LCID allocations 4 years ago
Francisco c1fb161004 Move sched lch_manager to separate file 4 years ago
Francisco eae0dc93ad rename scheduler files. scheduler -> sched 4 years ago
Francisco 68eda336bd remove ENB_METRICS_MAX_USERS compile time macro and use run-time variable to set maximum number of UEs the srseNB can have connected at a given instant. 4 years ago
Ismael Gomez ce20cc4c54 Add missing current_tx_nb which was causing all in uplink to fail 4 years ago
Pedro Alvarez d05bc064b5 Reduced SCTP connect() timeout. 
Added configuration for RTO_MAX. Cleanup debug prints.
 4 years ago
Francisco 324cb80cac rename cell_info_common->enb_cell_common and cell_ctxt_dedicated->ue_cell_ded 4 years ago
yagoda bdc1964335 consolidating RRC eMBMS configuration into single function, setting some parameters to const 4 years ago
yagoda b90574975b refactoring asn1 eMBMS code, removing asn1 from PHY and MAC in eNodeB 4 years ago
Andre Puschmann fb83b5c307 enb: fix reestablishment with AS security enabled 
this fixes RRC reestablishment with security turned on

the bearers, primarily SRB1, were reestablished before the "old"
security context was restored from the previous RNTI of the
reestablishing user.

this let SRB1 without proper security config. therefore the UE
couldn't decrypt the first response of the UE on SRB1 that was
already encrypted.
 4 years ago
Francisco 92c1c2a182 more efficient measObjToAddModList reconfiguration by ensuring consistency in EARFCN ordering 4 years ago
Francisco 68d463b08f remove var_meas_cfg_t class 4 years ago
Francisco 25bfb6d84d move rrc measconfig handling functions to separate file. Update measconfig tests 4 years ago
Francisco 1cb65f07f1 enable meas gaps in RRC and enb parser 4 years ago
Francisco Paisana 49a48c0130 add measgap awareness to scheduler metric and sf_sched. Add measGap test to random sched test suite. 4 years ago
Francisco Paisana 2b05d5a67c add meas gap addition logic to srsenb rrc mac controller 4 years ago
Francisco Paisana 9579931f16 added meas gap checks to scheduler ue 4 years ago
Francisco Paisana fdec451a9d disable mcs>20 if eNB supports UL 64QAM but UE doesn't 4 years ago
Francisco Paisana bc00abeeb8 fix phy configuration of UL 64QAM 4 years ago
Francisco Paisana b369d6d5d5 consider enb sib config when activating UL 64QAM 4 years ago
Francisco Paisana bf7c587e4f add UL 64QAM support to eNB RRC and scheduler 4 years ago
Francisco Paisana d5f6ccc0c4 integrated UL UE-dedicated sched tests in random test 4 years ago
Francisco Paisana 64fca23eb3 extended dci content checks of DL and UL grants in the scheduler random tester. 4 years ago
Francisco Paisana 88105c1577 change the namespace of tti point helper functions for the eNB 4 years ago
Ismael Gomez 524453a6af Fixes N_pucch_cs allocation to avoid collision with SR 4 years ago
Ismael Gomez 13f1d65b24 Add missing current_tx_nb which was causing all in uplink to fail 4 years ago
Francisco Paisana 3ea47b645a changed the way the number of UL pending bytes is calculated in the scheduler 4 years ago
Francisco Paisana 77d64f3ea5 add PDCCH alloc to UL retxs that resume the HARQ 4 years ago
Francisco Paisana d8203acd56 implement harq resuming functionality 4 years ago
Francisco Paisana 510959b50f update nr asn1 files, and asn1 tests 4 years ago
Francisco Paisana f927ccaf55 fix pusch grant allocation for cqi reporting in CA. 4 years ago
Francisco Paisana a351b2534e allow PUSCH grants for CQI in PCell 4 years ago
Francisco Paisana 2ade364434 defer scell activation to rrc reconf complete reception 4 years ago
Andre Puschmann 74dcdec54f enb: fix antenna port count for SCell config in RRC reconfig 
set antenna port count for SCells in RRC reconfig message according
to configured ports in the enb config
 4 years ago
Francisco Paisana a865858db3 disable srbs UL during handover to avoid UL grants and scheduling requests before the handover is complete 4 years ago
Francisco Paisana 484c7586b4 fix heap buffer overflow 4 years ago
Francisco Paisana 42cdc5e340 Allocate all the leftover bytes of the TBS to last allocated MAC SDU. 
Fix the way the RLC header is accounted for depending on the bearer id.
For instance, the SRB0 does not require any RLC header.
 4 years ago
Francisco Paisana 55d62a2baa fix rlc buffer updating inside the scheduler to account for RLC headers 4 years ago
Francisco Paisana 84cfc29ca1 apply the scell configuration sooner during intra-enb handover 4 years ago
Francisco Paisana b40a5a958e use common function to fill rrc reconf message in handover 4 years ago
Francisco Paisana e9b693942f diff-based cell selection activation 4 years ago
Francisco Paisana 836e7d7ede refactor scell addition in the srsenb::rrc to follow the same style of other rrc recfg fields 4 years ago
Francisco Paisana a8e11d7991 removal of the special case for rrc reconf update 4 years ago
Francisco Paisana f26b5ccde7 fix drb reestablishment during handover 4 years ago
Francisco Paisana 7bf196a6e0 removal of srb handling from srsenb::rrc::bearer_cfg_handler 4 years ago
Francisco Paisana 2ef1e286b2 fix set of rrc reconf message radio resource cfg fields 4 years ago
Francisco Paisana 890113fd32 now the rrc enb is using a common function for rr_cfg reconf for the first reconf message 4 years ago
Francisco Paisana ce78fa82ce now the rrc enb is using a common function for rr_cfg setup/reest 4 years ago
Francisco Paisana 97f2e4336e refactor of functions for filling the asn1 radio resource config structs. This functions are used during rrc setup/reest/reconf 4 years ago
Francisco Paisana 9b40d1da99 fix 256qam for handover 4 years ago
Francisco Paisana c24d754dbb add 256qam to scell as well 4 years ago
Francisco Paisana 514deaf25b fix resetting of phy and mac during reestablishment 4 years ago
Francisco Paisana 83d13cf20f uncomment 256qam features 4 years ago
Francisco Paisana 4cb6ed27eb updated scheduler ue mcs computation to account for new 256QAM tables 4 years ago
Francisco Paisana 461f34785d activation of 256qam in reconf message if the UE supports it. 4 years ago
Francisco Paisana 44a9ad76f1 avoid sched_ue dangling pointer 
With the sched feature that allows scheduling in TTIs
ahead of time, there is no guarantee that when
the tti arrives to generate a sched result, the stored
raw sched_ue pointers are still valid. For this reason,
I now store the rnti and check if the rnti still exists.
 4 years ago
Francisco Paisana 0d38e28ce7 address PR comments. Change warning message if sched ue cells cqi configs will lead to time collisions. 4 years ago
Francisco Paisana 852c31c0bc log warnings when the sched ue cfg is not valid 4 years ago
Francisco Paisana e84aa34139 comment out 256qam features 4 years ago
Francisco Paisana 1ce928ab2e use of current / future ue sched config structs in the srsenb::rrc::ue::mac_controller as an approach to deal with the multi-step mac reconfiguration of the UE 4 years ago
Francisco Paisana 1e6d902873 cleanup of srsenb::rrc::ue::mac_controller api 4 years ago
Pedro Alvarez f5ca40e3bf Make sure that security is enabled after sending RRC reestablish, so that reestablish complete is integrity checked and unciphered. 4 years ago
Francisco Paisana f1bdf33d10 addition of cells provided in cell_meas_list of rr.conf to cellsToAddModList in the rrc reconfiguration message 4 years ago
Francisco Paisana c5c7700cb7 implemented DL logical channel prioritization test for finite PBRs 4 years ago
Francisco Paisana 2d3681699a added test for DL sched logical channel prioritization. At the moment only PBR=infinity is tested 4 years ago
Francisco Paisana 9b10acff06 implemented logical channel prioritization in DL scheduler 4 years ago
Francisco Paisana b7ed8b1858 - added react method to to_state<...> transitions 
- s1 handover composite state simplified
- the eNB now starts a HO cancellation when it receives an invalid
Handover Command
- the FSM log now prints the current state when it receives an unhandled
event
 4 years ago
Francisco Paisana 53f1a62c64 cleaned up state machine of sched_ue for activation/deactivation of carriers 4 years ago
Francisco Paisana a761762ec8 extended cc_sched_ue fsm to account for more harmonious transition of an scell to deactivated state 4 years ago
Francisco Paisana 74c18ecf6c implementation of SCell Deactivation 4 years ago
Francisco Paisana eafc003671 Altered the way the generation of the scheduling decision for a given 
TTI is made. Instead of generating one CC in each dl_sched()/ul_sched()
call, all CC decisions are generated at once. This avoids race
conditions with calls from the RRC to the MAC to configure UEs.
 4 years ago
Francisco Paisana bc429eae94 add comment explaining why BSR has to be accounting in the computation of the number of bytes to allocate in UL 4 years ago
Francisco Paisana 12c147d75a The scheduler now accounts for the possible presence of BSRs in the size of UL grants 4 years ago
Francisco Paisana c46402c836 fix phy configuration during handover on srsenb. The function srsenb::rrc::ue::fill_scell_to_addmod_list assumes that the phy_cfg of the PCell is up-to-date, which was not the case. With this PR, the srsenb rrc updates the phy_cfg before the ho cmd is sent, but, in the case of intra-enb ho, the updates are not submitted to the phy before the reception of the crnti mac ce 4 years ago
Francisco Paisana 0f51d70aac fix measObj addition in srsenb. Now the enb considers both scells and meas_cells in the rr.conf 4 years ago
Francisco Paisana ae32ab9b13 addressed xavie's comments regarding list of scells to add to rrc reconf message not being in order when we iterate it 4 years ago
Francisco Paisana d42cdca729 fix scell activation in the phy during intra-enb handover. 4 years ago
Andre Puschmann 9866dcc10b enb: disable qam256 configuration 
disable qam256 altogether until underlying PHY/MAC support
is implemented
 4 years ago
Francisco Paisana 49186e2b1f Fix NCC set in HO command message for intra-enb handover 4 years ago
Francisco Paisana 2e10c8e13d bug fix - eNB was not allocating UL grants for an UE that has performed intra-enb handover. The problem resulted from the fact that the ue configuration in the scheduler not accounting for removed cells. 4 years ago
Francisco Paisana 8a5a571045 bug fix - in case of intra-enb Handover, the eNB was not adding SCells in the HO command 4 years ago
Francisco Paisana 4383796393 add scells in case of intra-enb handover 4 years ago
Francisco Paisana 688dda30a4 favour carriers with best channel conditions for UL grants due to SRs 4 years ago
Pedro Alvarez 2f0125ef4e Fix issue recovering key state, when the first HO fails (specifically, is_first_ncc was not recovered). Minor improvements in key logging. 4 years ago
Francisco Paisana 137e554eb3 reestablish pdcp bearers is required in case of AM bearers 4 years ago
Francisco Paisana 4c88404801 fix measurement report handling in case of intra enb handover 4 years ago
Francisco Paisana 4b1626bf24 fix eutra packing recovering during reestablishment in the srsenb 4 years ago
faluco dfeed52514 - Rename out_stream function to console. 4 years ago
faluco 62faef7c71 - Replaced all uses of the log::console method. 4 years ago
Francisco Paisana 942c28881d converted member method of list of cells in the enb to a free function 4 years ago
Francisco Paisana 3a924a1d80 avoid sending cellsToAddModList if cell offsets are zero 4 years ago
Francisco Paisana da70c0fdaf fix cellsToAddModList handling. Now the eNB always adds PCell+SCells as measObjects in the RRC Reconfiguration messages. It may also further include cellsToAddModList if they are provided in the rr.conf file 4 years ago
Francisco Paisana 89eeb5a355 use utility methods to find meas objs based on earfcn 4 years ago
Francisco Paisana 141960fbda remove unnecessary shared_ptrs and use value semantics instead for the var_meas_cfg of the different enb cells 4 years ago
Francisco Paisana 098172c911 fix cellIndex assignment in srsENB to not necessarily copy cell ID 4 years ago
Francisco Paisana dcf5a727f2 do not send RRC release in case the eNB receives a S1AP UEContextRelease command and the UE is doing handover. Handle GTPU end marker 4 years ago
Francisco Paisana 13a5bfb525 - fix reestablishment reject transmission in the srsenb. For SRB0 SDUs, no RLC header is required, so we do not need to check in such case if there is enough space in the TB for the header. 
- fix srsenb reestablishment check for UE context. The pci has to be accounted for the srsenb to understand that the UE trying to do reestablishment corresponds to one of its own
 4 years ago
Xavier Arteaga 3e6c337b44 SRSENB: protect MAC softbuffers access 
SRSENB: fix retransmissions
 4 years ago
Andre Puschmann 49655cd33c enb,s1ap: only log info in the s1ap connection procedure 
the event is logged as error by the calling function already
 4 years ago
Francisco Paisana 7e6487b6fa perform PUCCH+PRACH PRB reservation right at the start of a new TTI in the scheduler 4 years ago
Andre Puschmann d30822784f enb: refactor MAC PDU logging 
* remove single line MAC PDU subheader logging in favor
  of to_string() helper that prints entire MAC header in single line
* log MAC PDU after parsing and packing
 4 years ago
Ismael Gomez 59b6301cc8 Remove legacy arbritrary 1s timeout for eNB requests 4 years ago
Pedro Alvarez b59eca1b27 Wait until reestablish complete is finished to swap rnti in s1ap and gtpu. 4 years ago
Pedro Alvarez 6ec26ea627 Make sure that last_submitted_rx_sn is not 0 after handover. 4 years ago
Andre Puschmann 655c7ae8ae enb: fix warning when removing user 
when removing a user from the eNB we iterated over all possible LCIDs
and set the buffer state to zero in the scheduler.

this resulted in following log entries:

13:57:23.856334 [RRC ] [I] Received Release Complete rnti=0x46
13:57:23.856352 [MAC ] [W] [ 5149] The provided lcid=6 is not valid
13:57:23.856362 [MAC ] [W] [ 5149] The provided lcid=7 is not valid
13:57:23.856368 [MAC ] [W] [ 5149] The provided lcid=8 is not valid
13:57:23.856371 [MAC ] [W] [ 5149] The provided lcid=9 is not valid
13:57:23.856376 [MAC ] [W] [ 5149] The provided lcid=10 is not valid

we now check if the bearer exits at RLC and only report those to the MAC.
 4 years ago
Ismael Gomez 38e2ffe414 Use Format1A when using CA and 15 PRB due to DCI size ambiguity 4 years ago
Xavier Arteaga f14e699df4 SRSENB: fix MAC UE DB Read protection 4 years ago
Ismael Gomez 0afcea9d61
Do not allow empty TBS PUSCH. Account for CQI from inactive cells before activated. (#1667) 4 years ago
Francisco Paisana fddcc3d8ea In the case of Handover, postpone the activation of the CQI and SR config present in the HO command for after the RA proc completion to the target eNB 4 years ago
Francisco Paisana 8a651c972e add scells to ho cmd 4 years ago
Francisco Paisana 13caf287f9 fix S1 Handover with UE CA. The HandoverPreparation message was not being filled correctly 4 years ago
Ismael Gomez a4835dd2c8
More accurate MCS reduction when PUSCH carries UCI (#1630) 4 years ago
Francisco Paisana cc469fc7a3 fix reestablishment after S1 handover by setting ncc accordingly 4 years ago
Francisco Paisana b47f8e6c1a increased rrc inactivity timer to avoid unnecessary pagings while 
setting up an initial enb-ue iperf connection
 4 years ago