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49 Commits (eafc003671d12f59eb3f756bd780cf7847665eef)

Author SHA1 Message Date
Francisco Paisana f185272367 added comments explaining the meaning of the cell reselection procedures 4 years ago
Francisco Paisana 49e7b8e36e - Change periodicity of cell reselection after a new serving cell has been selected 
- Enable PHY intra measurements during RRC_IDLE
 4 years ago
Francisco Paisana 585d7c923a refactor and simplification of cell selection procedure. Using now a SIB3 threshold to decide whether to select neighbor cell while in RRC_IDLE 4 years ago
Francisco Paisana 023d32975a avoid use of pointers to meas_cells in ho_proc as they may become dangling 4 years ago
Francisco Paisana 072b7be582 renamed rrc::cell_t to rrc::meas_cell 4 years ago
Francisco Paisana 1f2cca8909 in the rrc reconf procedure, handle the scenario where the rrc reconfiguration message does not config the phy 4 years ago
Francisco Paisana c6f4776a6f send the nassdus sooner in the rrc reconf procedure 4 years ago
Francisco Paisana fc49b5a030 implemented rrc reconfiguration procedure that includes a continuation when phy configuration is complete 4 years ago
Francisco Paisana 8a9a95a937 ensure sibs are acquired if cell selection calls cell search 4 years ago
Francisco Paisana 045f647914 fix edge case where serving cell is good enough for reestablishment but the sibs are not yet acquired 4 years ago
Francisco Paisana 5ecbe8fb17 cleanup of the reestablishment procedure state machine. It does not need to wait for the serving cell configuration because such procedure is already included in the cell selection procedure 4 years ago
Francisco Paisana 0997daa7a0 now the handover procedure in the srsUE does not wait for the phy cell selection result. It only waits for the RA result 4 years ago
Francisco Paisana cf89d6645b add comments explaining each function of the reest procedure 4 years ago
Francisco Paisana d068d594af implemented rrc reestablishment procedure part after sending reest request 4 years ago
Francisco Paisana 73e21daeb2 refactor reestablishment procedure to more closely follow TS. 4 years ago
Andre Puschmann 1afc137032
[REBASE] Make PHY non-blocking and fefactor HO procedure (#1753) 
* Make PHY non-blocking and fefactor HO procedure

* makes entire PHY non-blocking through command interface
* adds dedicated queue for cell_search/cell_select commands
* refactor HO procedure to run faster, in one stack cycle. Looks closer to the specs
* force ue to always apply SIB2 configuration during reestablishment
* Run update_measurements in all workers

Co-authored-by: Ismael Gomez <ismagom@gmail.com>
 4 years ago
Andre Puschmann b616944a13 ue,rrc: fix security config during HO/reestablishment 
we fix a number of very related issues for HO/reestablishment
in the success/error case:

* this patch removes the hard-coded check that intra-cell HO aren't
allowed. There are cases where eNBs use this method to update
the security context.

* the patch also fixes an issue after failed HO where the security context
of the source eNB should be used for the reestablishment.

* update security keys according to specs when mobilitycontrol
indicated change of key
 4 years ago
Francisco Paisana 5242f9422b fix deadlock in handover 4 years ago
Francisco Paisana b1670c005b remove shadowed variables for reestablishment during handover 4 years ago
Francisco Paisana 9c5471b094 more ergonomic event callback 5 years ago
Francisco Paisana 48138b5281 removal of phy cell selection procedure as it now it is replaced by phy controller 5 years ago
Francisco Paisana d12b037e0d make cell reselection periodic and with period of 20msec 5 years ago
Francisco Paisana 3e016b8095 select serving cell during cell selection if it is stronger than neighbors 5 years ago
Andre Puschmann e981d5ee70 rrc,ue: refactor wait conditions before transition to RRC idle 
before entering RRC idle, after receiving a RRC connection release for example,
we need to wait until the RLC for SRB1 or SRB2 have been flushed, i.e.
the RLC has acknowledged the reception of the message.

Previously we have only waited for SRB1 but the message can also be received on SRB2
and in this case both bearers need to be checked.

The method is now streamlined to check both SRBs and is also used when
checking the msg transmission of an detach request.
 5 years ago
Francisco Paisana 81848deae2 extended handover procedure to accommodate all the handover (phy cell select + ra) 5 years ago
Francisco Paisana 556fcb69e7 fix handover my defering to next tti the reestablishment of bearers 5 years ago
Francisco Paisana 37ce475398 fix+refactor of the ue rrc handover preparation procedure to avoid deadlocking 5 years ago
Francisco Paisana af9ca9f9e5 remove unecessary moves 5 years ago
Francisco Paisana 82cb6baef0 now the whole ue and enb mac uses the logmap 5 years ago
Francisco Paisana 45bc123967 remove manual tti counters from the rrc 5 years ago
Xavier Arteaga e832769ae6 Updated copyright 5 years ago
Francisco Paisana 5a64fc0a93 sib_acquire_proc is not tti-driven anymore. No need to call run explicitly 5 years ago
Francisco Paisana c29f08d8d5 refactored si acquisition procedure to use stack timers. Also created an interface that is going to be used for the task/timer handling 5 years ago
Francisco Paisana 22f51bb30b made cell select non-blocking using background threads 5 years ago
Francisco Paisana c76cdc6cea refactored the serving cell config procedure. there was one more state than it was needed. 5 years ago
Xavier Arteaga 4d3c28ff97 SRSUE: wait for valid RSRP measurement before adquiring SIBs during cell search 5 years ago
Ismael Gomez 52716f8716 Process HO complete in the background to avoid heap-after-use bug when PHY measurements are reported during a HO 
rrc_meas refactor. Need to split commit

Fix typo

Temporal commit

Apply rx_gain_offset to neighbour cell measurements

srsLTE: modify TESTASSERT Macro to follow codeline

SRSUE: prevent RRC from having serving cell in neighbour list

SRSUE: DL HARQ does not need Time Aligment Timer. UL is disabled using PUCCH resources release

SRSUE: extend intra-frequency to CA SCell

SRSUE: fix confusing/ambiguous code in the RRC measurements and fix concurrency issue

SRSUE: remove RRC measurement report triggers when measurements are modified or HO succesful

SRSUE: fix compilation issues and Reest SIB indexes

Fixes sync using incorrect cell configuration when search cell does not find a correct cell

Small refactor to remove measurement report triggers always after removing measurement

SRSUE: Removed SIC PSS from UE

SRSUE: fix inter-frequency reestablishment and added more traces

SRSUE: Fix compilation issue
 5 years ago
Pedro Alvarez c5979f59eb Clang format UE, eNB and lib (#850) 
* Clang-formated UE, eNB and lib.
* Fixed compiling errors from clang-format.
* Fix linking issues introduced by clang-format
* Fix poor formating in initializing arrays of arrays.
* Fix mistake in conflict resolution on rm_turbo.c
* Re-apply clang format to gtpc_ies.h
 5 years ago
Xavier Arteaga b4b1ab94af SRSUE RRC: new PHY unknown sync state, cell select waits for PHY in-sync 5 years ago
Xavier Arteaga f5e4ff9f4d SRSUE: RRC Reest Procedure Refactor 5 years ago
Xavier Arteaga f37a096f10 SRSUE: Refactored/Fixed RRC connection Re-establishment and minor CLang Format/Tidy fixes 5 years ago
Francisco Paisana b254bdbb93 typedefed the proc_result_t<void> to become proc_state_t 5 years ago
Francisco Paisana f2d88e5a5b simplified NAS rrc connection request procedure 
move non-type-specific methods of proc_t to its base class.
procedure state machine was simplified via a future-type. Now procedures dont get stuck until the user reads the procedure outcome.
made the NAS procedures more event trigger/reaction-based.
 5 years ago
Francisco Paisana 8864787f59 added the continuation functionality to procedures via the "then()" method. 5 years ago
Francisco Paisana c1be118d1d new wrapper-based design for stack procedures. Removes extra base class, gets rid of spurious copies/moves during the pop(), and allows the use of a non-default ctor() 5 years ago
Francisco Paisana 81a466a641 since we moved cell search to the background thread, cell reselection prints a error message that it cannot start. In fact it already started. It is just waiting for the cell search to finish. This PR fixes this 5 years ago
Francisco Paisana b1496317d5 fixed the pcch proc issue by letting the cell selection explicitly propagate its result to the pcch_process_proc 5 years ago
Francisco Paisana 2fb830fcfa moved cell search to background task thread pool, and provided a stack interface to rrc to call "start_cell_search". Once completed, the background task signals back to RRC 5 years ago
Francisco Paisana c9d3b61038 added resumable procedures to make RRC and NAS non-blocking 5 years ago