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778 Commits (5a936d9940fda0d60641b4cfc3d2d9b93b2709f2)

Author SHA1 Message Date
Andre Puschmann 45c1971249 mac,phy,interface: clean up and add NR interface to LTE stack 
* remove obsolte rx_data_ind
* add mac_phy_interface_nr to LTE stack
 3 years ago
Francisco Paisana 8e174c96ed sched,nr: provide allocated byte_buffer in DL sched output + changes in RA procedure + added sched nr in default nr_phy_tests 3 years ago
Bedran Karakoc a6226379b4 Introducing NGAP UE context procedures 3 years ago
Francisco Paisana 12e33483e1 sched,nr: add slot_point to sched nr 3 years ago
Andre Puschmann f9589c9c5d enb,rrc,endc: refactor UE capability enquiry and check 
this patch first makes sure that ENDC is only configured if the UE
support it. Second the patch also requests the EUTRA-NR and NR capabilities
if the UE indicated ENDC support in its EUTRA caps.
 3 years ago
Francisco Paisana 4a2b51bc0d sched,nr: fix sched nr pusch K2 timing 3 years ago
Francisco Paisana b589c0d184 sched,nr: ack/crc info included in nr_phy_test 3 years ago
Francisco Paisana 592d9332ba sched,nr: add logic for allocation of RAR and Msg3 grants 3 years ago
David Rupprecht 880eb6fc14 Added git args 3 years ago
David Rupprecht 4f0f6169f5 Added NGAP Metrics 3 years ago
Francisco Paisana c9a5180a09 sched,nr: integrate NR scheduler in nr_phy_test 
The scheduler can be activated via a command line flag
 3 years ago
Francisco Paisana 660b66dbe3 sched,nr: add option to run phy nr test with real NR scheduler 3 years ago
Andre Puschmann fc8fe032ff rrc_nr,endc: add more fields to NR RRC Reconfig for EN-DC activation 
adds a big chunk of new fields to the reconfig packing code,
tested with srsUE
 3 years ago
Francisco Paisana e6683b7387 sched,nr: simplify scheduler threading architecture to reflect the new cc-based parallelism model 3 years ago
Francisco Paisana 74d0a8adb8 sched: add subband cqi info interface to LTE scheduler 3 years ago
Andre Puschmann 921a04ce65 enb,mac_nr: turn UE object into normal std::unique_ptr 3 years ago
Andre Puschmann 8d2e81ad6f enb,mac,nr: add basic UE object skeleton 
refactor that also adds a basic UE object to the NR MAC
 3 years ago
Francisco Paisana 09c7000201 sched,nr: update nr scheduler to use new mac nr interface types 3 years ago
Francisco Paisana 8a34a3c41a sched,nr: fix compilation issues in centos7 and removed unused variables 3 years ago
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 3 years ago
Francisco Paisana 1535e6b205 sched,nr: extend sched nr testing suite. restrict paralllelization for correct DAI generation 3 years ago
Francisco Paisana 323703c2f3 sched,nr: measure latency of sched nr in test 3 years ago
Francisco Paisana d63ea00a5d sched,nr: use PRBs instead of RBGs as the basic unit for PRB grants in the NR scheduler 3 years ago
Francisco Paisana b81cbd1334 sched,nr: redesign the order available search spaces/coresets are found in the scheduler 3 years ago
Francisco Paisana dd3c9b4d7e sched,nr: utilization of common bwp params structure across multiple sched objects 3 years ago
Francisco Paisana 2db8b8d876 sched,nr: add RAR scheduler inspired in LTE one 3 years ago
Francisco Paisana 4f0b954cde sched,nr: changed scheduler nr api to not require slot_indication function 3 years ago
Francisco Paisana 23afc66a86 sched,nr: implementation of PUCCH HARQ allocation in NR 3 years ago
Francisco Paisana bcc374c2cd implement TDD DL vs UL slot activation 3 years ago
Francisco Paisana f87f898641 sched,nr: extend coreset pdcch allocation to UL 3 years ago
Ismael Gomez 5d034b067e
Add option to rr.conf to select sub-band CQI K value (#3071) 3 years ago
Francisco 2a31daca4a enb,configuration: allow to specify enb specific max nof RLC retxs 3 years ago
Pedro Alvarez 8d41c0d476 Maded SRB configuration optional in rb.conf 3 years ago
Pedro Alvarez 72cf3a1cec Added RLC SRB1 and SRB2 configuration ability. 
The configuration was added to drb.conf
 3 years ago
Ismael Gomez 1fd9d4300c Move pdu buffer mutex in mac::ue to each carrier buffer map 3 years ago
Xavier Arteaga b25681f9de gnb,prach: add PRACH to gNB 
rebase of Xavier's feature_gnb_prach branch
 3 years ago
Andre Puschmann 3f81d3e969 enb,rrc_endc: add handler for measurements and UE capabilities 3 years ago
Andre Puschmann 8d443d79e5 enb,rrc: add skeleton code for new RRC internal interface for SgNB addition 3 years ago
Andre Puschmann 8dd7075d12 enb,stack: add NR components for NSA mode 
adds the main NR components for RLC, PDCP, MAC and RRC
for NSA operation.
 3 years ago
Andre Puschmann 19996a4059 sched_nr: fix compilation 3 years ago
Xavier Arteaga 5307fec2f0 Added GNB MAC UL info initial interface and fix PHY implementation 3 years ago
Ismael Gomez c0fd64c4e6 Fix data races in srsENB MAC 3 years ago
Pedro Alvarez 171d5727be Moved lib RLC into it's own folder 3 years ago
Francisco Paisana 4d014e7ceb s1ap,feature: make the ts1 reloc timers configurable via the enb.conf 3 years ago
Francisco 4c316aa9ea sched,nr: integrate mac-phy interface types into the scheduler 3 years ago
Francisco 5b3c5ded63 sched,nr: implement NR PDCCH allocation algorithm 3 years ago
Xavier Arteaga 6f5614a0cc Suggested modifications on gNb MAC/PHY interface 3 years ago
Xavier Arteaga 8378c85ec4 Refactored gNb PHY 3 years ago
Xavier Arteaga d49734b1bc SRSENB: Refactor to accomodate 5G NR 3 years ago
Francisco de05e1e549 sched,nr: fix invalid memory write 3 years ago
Francisco 75153c7c83 sched,nr: implementation of sched sim test class 3 years ago
Francisco f1b3cfc764 sched,nr: implementation of sched NR harq retxs. Refactor of rb grid classes. 3 years ago
Francisco d950433cbd sched,nr: fix time-domain parallelization sched nr test. creation of util class to handle acquisition of boolean resources 3 years ago
Francisco 35a236b1b9 sched,nr: fix sched_nr_test. Resolve data race issues. Created new config structs used across the scheduler. 3 years ago
Francisco 407da794e1 sched,nr: implementation of slot grid class 3 years ago
Francisco 4fa27f3841 sched,nr: implementation of main classes for NR scheduler, and basic test for concurrency 3 years ago
Andre Puschmann 483a216bd5 ue,stack: refactor handling of radio bearears in UE stack 
this is a rather large commit that is hard to split because
it touches quite a few components.

It's a preparation patch for adding NR split bearers in the next
step.

We realized that managing RLC and PDCP bearers for both NR and LTE
in the same entity doesn't work. This is because we use the LCID
as a key for all accesses. With NR dual connectivity however we
can have the same LCID active at the same time for both LTE and NR
carriers.

The patch solves that by creating a dedicated NR instance for RLC/PDCP
in the stack. But then the question arises for UL traffic on, e.g. LCID 4
what PDCP instance the GW should use for pushing SDUs. It doesnt' know
that. And in fact it doesn't need to. It just needs to know EPS
bearer IDs. So the next change was to remove the knowledge of what
LCIDs are from the GW. Make is agnostic and only work on EPS bearer IDs.

The handling and mapping between EPS bearer IDs and LCIDs for LTE
or NR (mainly PDCP for pushing data) is done in the Stack because
it has access to both.

The NAS also has a EPS bearer map but only knows about default and
dedicated bearers. It doesn't know on which logical channels they
are transmitted.
 3 years ago
David Rupprecht ec19919246 Fix NGAP valgrind test 3 years ago
Francisco 78acf81cf0 bugfix,sched: avoid instability in TPCs around PHR~0 3 years ago
Ismael Gomez 02ec4dd3d0 Remove unused variable 3 years ago
Ismael Gomez dd9889e07c Add carrier index to uplink PCAP captures 3 years ago
Bedran Karakoc c280ac5ad6 Introducing extended NGAP functionality 
Remove unused logger for now in ngap::ue to pass tests
 3 years ago
Francisco 5a82a63bb5 bugfix,srsenb: fix intraenb handover softbuffer allocation during handover 3 years ago
Francisco d5234b5f65 sched,bugfix: avoid using UL SNR average in tpc control loop 3 years ago
Francisco f55e1c5a73 fix,srsenb: start stack before the radio to avoid stack methods to be called when stack is not fully initialized 3 years ago
Francisco e8983b88f0 refactor: use enb_cc_idx instead of ue_cc_idx in mac::ue 3 years ago
Pedro Alvarez 299d2ee35d Added interface to make the PDCP notify the RRC of integrity check 
failures.
 3 years ago
Francisco fd3901e4a2 bugfix,srsenb,rrc: delete old context right away after sending Reestablishment msg. 
Following ReestablishmentRequests should use the most recent rnti as old context.
 3 years ago
Andre Puschmann f65faba756 sched_harq: fix uninitialized values in HARQ 
detected with Valgrind memcheck
 3 years ago
Francisco 35cea3d104 enb,optimization: consider mac::ue object in rnti pool memory block size 3 years ago
Francisco 7e77da6a15 mac,optimization: use rnti memory pool to create mac::ue objects 3 years ago
Francisco fd1d73666c bugfix,srsenb,mac: avoid sanity check for UL PDU length if CRC=KO 3 years ago
Francisco 76004a3054 enb,mac,refactor: mac::ue now uses byte_buffer_pool for UL PDUs 3 years ago
Francisco 9e2a7d4592 bugfix,tpc: only cap PUSCH TPC when PHR is negative. I also extended TPC unit test 3 years ago
Francisco bdc4362475 bugfix,tpc: place a cap on TPC due to PHR only when TPC is positive 3 years ago
Francisco 7badfb1c88 bugfix: avoid multiple TPC=0 for a single PHR<0 3 years ago
Francisco e2c37ad513 bugfix: missing early return in TPC derivation 3 years ago
Andre Puschmann c0be8187c8 rlc interface: convert entire read_pdu() interface to return uint32_t 
we had it returning int but had a bug in using the return value properly,
i.e. handling when -1 was returned in RLC TM.

Thinking about it more, it doesn't make sense to have a negative return
value here anyway. Either the RLC can return a PDU or not. If it can't the
returned lenght is zero.
 3 years ago
Andre Puschmann aaffdeb326 rrc,rlc: add method to signal protocol failure to RRC 
general-purpose method for lower layers to signal protocol
failures to higher layers, i.e. RRC.

In the current case, implement a direct release of the UE (enb) or
a reestablishment (UE).
 3 years ago
Francisco ceaef3523f sched,feature: Enable setting the target PHR below which the maximum UL grant size starts decreasing 3 years ago
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 3 years ago
Francisco f7aef3ffc1 sched,bugfix: fix nof_retx update when UL HARQs are resumed 3 years ago
Francisco 89406b07d6 make eNB UL SNR initial value an exponential average alpha configurable 3 years ago
Francisco 3f75538660 rrc,feature: Use t301 to set time that the enb waits for the UE RRCConnectionSetupComplete or ReestablishmentComplete 3 years ago
Francisco 0349949cce bugfix, handover: disable inactivity timer during s1 handover in target enb 3 years ago
Pedro Alvarez 18e2149d68 Sending Initial Context Setup Response after RRC reconfiguration. 3 years ago
Francisco 2cdda3b6db sched,enhancement: allow PUSCH allocations when PHICH falls in measurement Gap by resuming UL HARQ 3 years ago
Francisco 200006c4b7 bugfix,scheduler: avoid offset to increase decrease unboundedly when mcs is equal to 0 or max_mcs 3 years ago
Francisco a587d20252 allow specification of subset of valid measurement gap offsets in rr.conf 3 years ago
Francisco 52247a46e5 rrc,refactor - change log level for paging try lock 3 years ago
Francisco 692bd193d5 rrc,improvements - use single subframe-indexed struct to access pending PCCH. The scheduler now doesnt lock checking for pending paging 3 years ago
Francisco 957ca453e9 bugfix,rrc: change mechanism to delete old paging messages to avoid deleting messages not yet sent 3 years ago
Francisco 7076dbfef8 feature, scheduler: Add configuration parameter to set minimum TTI interval between TPCs 4 years ago
Francisco 4627ae9802 bugfix, scheduler: effectively disable adaptive mcs when target bler is unspecified 4 years ago
Francisco dedd9c09a7 feature, scheduler: Add abitility to set minimum aggregation level in PDCCH, and disable adaptive aggregation level based on target BLER 4 years ago
Francisco c5029fc266 feature - implement adaptive link adaptation in DL and UL 4 years ago
Francisco 8811b7c9a7 fix handling of CRNTI CE in the RRC. The scheduler should not allocate more grants for the new rnti after this point. 4 years ago
Andre Puschmann fbb151af2d enb,rrc: fix bearer re-activation after max KO 
this patch makes sure that if RBs have been deactivated after
max KO on either the DL or the UL, they are reactivated if either
of them is working again.

UL/DL are always activated together, even if just one of them
recovers. The KO counter (or timer), however, is not stopped implicitly.
 4 years ago
Francisco a17e3b71e7 set minimum snr under which the UL SNR estimate is not updated 4 years ago
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 4 years ago