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445 Commits (a7bb3ce7d0428e689e4b54c3b61b7f82eb9a6ed9)

Author SHA1 Message Date
Pedro Alvarez 0c20b7a455 Added support for S1AP modify bearer request support. This includes: 
- Handle received E-RAB S1AP at s1ap.cc.
 - Added methods to rrc.cc, rrc_ue.cc and rrc_bearer_cfg.cc to handle erab modify request.
 - Made RLC add_bearer() function capable of re-creating the RLC entity.
 - Send RRC reconfiguration to the UE and reply to the EPC with S1AP
   modify bearer response.

This commit also adds support to srsEPC to send S1AP modify bearer request for
testing purposes.
 4 years ago
Francisco Paisana 099dad8cb1 disable PHR handling in the UL sched by default 4 years ago
Ismael Gomez f9a02299f9 Use MAC PDU pointer instead of tti_rx and rnti as a key to associate buffers. Decouple crc_info() and push_pdu() functions. This allows for different timing architectures in the PHY 4 years ago
Francisco Paisana 82eb31f70f add rlc metrics to enb 4 years ago
faluco 343587b32d Update NR classes after metrics interface changes. 4 years ago
faluco f20b75a05f Re-structure enb metrics a bit. Create a generic mac metric struct and per ue mac metrics struct. 4 years ago
faluco 5529943172 Add a per sector rach preable counter for the metrics. 4 years ago
Francisco 43e0a3209d fill enb rrc metrics with drb info 4 years ago
faluco dcd1157d39 - Prototype the extension of enb metrics. 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
David Rupprecht 848496bb0f Moved get_earfcn to srslte get_carrier_freq func 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 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
 4 years ago
Francisco 22229adf08 fix: normal phr is only sent for PCell 4 years ago
Francisco 69748e9313 fix compilation issue regarding definition of size_t in header and declaration of static member null_value in sliding average class 4 years ago
Francisco d42dc50c44 Write TPC sched unit test and fix sched logical channel 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
Xavier Arteaga b501f2eeaf SRSENB/UE: Added NR workers 4 years ago
Francisco 86ab1864f7 The struct tti_point is now used ubiquitously in the scheduler 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 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 7a74bf28d1 forward declare s1ap types in enb interfaces 4 years ago
Francisco 66712023bb remove unneeded includes of full rrc asn1 lib 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
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
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 9579931f16 added meas gap checks to scheduler ue 4 years ago
Francisco Paisana bf7c587e4f add UL 64QAM support to eNB RRC and scheduler 4 years ago
Pedro Alvarez 604e79214d Changed NAS is_attached interface to is_registered. 4 years ago
Pedro Alvarez 14844a168a Created new class to hold all NAS states for the NAS state machine. Added EMM-DEREGISTERED substates and EMM-REGISTERED substates. 
Decoupled PLMN selection, attach request and service request. Removed RRC connect procedure from NAS.
 4 years ago
Francisco Paisana d5f6ccc0c4 integrated UL UE-dedicated sched tests in random test 4 years ago
Francisco Paisana 88105c1577 change the namespace of tti point helper functions for the eNB 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 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 a865858db3 disable srbs UL during handover to avoid UL grants and scheduling requests before the handover is complete 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 980278fdec add comments regarding radio resource asn1 setting in the eNB 4 years ago
Francisco Paisana b40a5a958e use common function to fill rrc reconf message in handover 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 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 852c31c0bc log warnings when the sched ue cfg is not valid 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
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 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 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 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 d42cdca729 fix scell activation in the phy during intra-enb handover. 4 years ago
Francisco Paisana 688dda30a4 favour carriers with best channel conditions for UL grants due to SRs 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 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 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 7e6487b6fa perform PUCCH+PRACH PRB reservation right at the start of a new TTI in the scheduler 4 years ago
Ismael Gomez 59b6301cc8 Remove legacy arbritrary 1s timeout for eNB requests 4 years ago
Ismael Gomez 38e2ffe414 Use Format1A when using CA and 15 PRB due to DCI size ambiguity 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 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 0036941af4 added extra state to S1 target enb mobility FSM. Accounts for out-of-order arrival of MMEStatusTransfer. Also, now we avoid creating DRBs before the MMEStatusTransfer 4 years ago
Francisco Paisana bb5dd92dca implemented s1 handover cancellation procedure to force the target enb to release the ue ctxt 4 years ago