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srsLTE
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46 Commits

Author SHA1 Message Date
Pedro Alvarez aecfb151ce Apply clang-format to the lib in preperation for PR. 2020-02-20 20:53:27 +01:00
Xavier Arteaga 67c07dfb56 Moved UL/DL PUCCH procedures into pucch_proc 2020-02-13 10:29:00 +01:00
Andre Puschmann 6cce22d6b8 add support for GPS-based sync to UE sync object 2020-02-10 20:25:54 +01:00
Andre Puschmann c7343cf6d8 protect sf_buffer from overrun in receive_samples 
this patch adds a buffer len paramter to the receive_samples() call
that protects the (also) provided buffer from overflowing.

currently each call to srslte_ue_sync_zerocopy() which then calls receive_samples()
relies on a buffer that is "big enough". But that buffer is sometimes
2 subframes, sometimes 3 or 5, sometimes has space for the maximum PRB size, sometimes
only for 6 PRBs (i.e. during cell search).

By extending the interface to pass the buffer size we can make sure that
only samples are received that actually fit inside the provided buffer.
 2020-02-07 10:21:30 +01:00
Xavier Arteaga c92dce71b7 srsLTE: AGC only uses boundaries for requesting gain to Radio 2019-12-23 22:57:37 +01:00
Tiago Ferreira Alves 3fed21ce3e PSSS and SSSS implementation 2019-12-18 11:27:10 +01:00
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
 2019-12-16 16:04:22 +01:00
Andre Puschmann 8bec22ff11 fixed naming for ue_sync_nbiot 2019-12-10 16:53:44 +01:00
Andre Puschmann 4dbbcaa668 add cell search and USRP capture examples for NB-IoT 2019-12-10 16:53:44 +01:00
Xavier Arteaga 8dd1c59e18 Added amplitude and power conversions to dB and viceversa 2019-12-02 09:47:22 +01:00
Ismael Gomez 1d83bb08e2 Changes in ACK procedure to support CA. Tested 1 cell in SISO/MIMO 2019-10-14 11:20:35 +02:00
Ismael Gomez bfddc55148
RRC-PHY interface (#639) 
RRC-PHY interface refactor. Moved RRC-MAC interface to rrc_asn1_utils and created RRC-PHY interface also in rrc_asn1_utils. All ASN1 includes should be made from rrc_asn1_utils only keeping ue_interfaces clean of ASN1

Tested with different common and dedicated configurations (64QAM UL, 256QAM, CA, SRS enabled/disabled, etc)
 2019-09-04 16:59:10 +02:00
Xavier Arteaga 5e49aca835
Merge pull request #570 from softwareradiosystems/feature_256qam_fix 
Resource allocation extended tables and PDSCH table 2 for 256QAM
 2019-07-12 12:32:47 -04:00
Xavier Arteaga aa6652155c Phy: added ue_ul normalization mode parameter 2019-07-12 13:05:10 +02:00
Xavier Arteaga 20823e191d SRSUE: Added UL force amplitude optional parameter 2019-07-12 13:05:10 +02:00
Guillem Foreman 535325bc37 srsLTE: added resource allocation extended tables for 256QAM and integration with PDSCH test 2019-07-04 15:49:43 +02:00
Andre Puschmann 4b01a2e4a0 update copyright notice 2019-04-29 09:20:02 +02:00
Ismael Gomez 7780b1aba5 add tdd/ca support 2019-04-25 20:57:58 +02:00
Ismael Gomez e18ba937dc Limit uplink signal normalization to avoid clipping 2018-06-27 16:29:40 +02:00
Xavier Arteaga 301415a00a Fixed AGC out of bounds gain 2018-06-11 13:14:47 +02:00
Ismael Gomez 467ba4e326 Average sampling offset estimate before adjusting timing to be more robust against EVA and ETU fading 2018-05-21 23:00:57 +02:00
David Rupprecht 9d71bec7b6 Unified include guards 2018-03-31 19:04:04 +02:00
Ismael Gomez c2098ad626 Removed unused sample offset correction 2018-03-13 18:52:21 +01:00
Ismael Gomez 0750ff3091 Option to not wrap when reading signal from file 2018-01-16 19:33:51 +01:00
Ismael Gomez 33c35d575d Save last PHICH correlation 2017-12-20 13:47:49 +01:00
Ismael Gomez c54cb02efd Increased REF BW CFO loop 2017-12-18 16:35:21 +01:00
Ismael Gomez 6711387ad7 Disabled AGC for initial cell search. Copy CFO from search and disable CP based CFO after search to reduce overhead 2017-12-17 23:05:28 +01:00
Ismael Gomez 9355cd5732 Improved CFO loop. Fixed issue with sinusoid tolerance 2017-12-16 12:46:29 +01:00
Ismael Gomez f1c6bcd252 Merge branch 'next' into mobility 2017-11-30 20:13:06 +01:00
Ismael Gomez dd8bacf466 Calibrated CFO loop default values 2017-11-30 20:01:35 +01:00
Ismael Gomez 46f15c19e6 Added subframe averaging option in chest_dl. Optional in pdsch_ue 2017-11-29 20:28:04 +01:00
Ismael Gomez a3a1d268b7 Improved CFO estimation/correction by filtering central 6 PRB. Cleaned ue_sync/sync/pss objects. Used const attr in vector and other objects 2017-11-29 18:30:21 +01:00
Ismael Gomez aacd9e1e5b Revert "Use CP-based CFO estimation only for DL and UL. Estimate every subframe. Calibrated EMA to 0.3 highest valid for low SNR" 
This reverts commit 6196c096af.
 2017-11-27 18:27:48 +01:00
Ismael Gomez cfbea7a6c1 Restored non-guru DFT interface. Removed input buffer from ue_dl interface 2017-11-26 00:38:23 +01:00
Ismael Gomez 6196c096af Use CP-based CFO estimation only for DL and UL. Estimate every subframe. Calibrated EMA to 0.3 highest valid for low SNR 2017-11-23 12:36:16 +01:00
Xavier Arteaga 91c9ddf244 Added scaling factor to predecoder 2017-11-21 10:14:09 +01:00
Ismael Gomez 85571c47cd Added option to ue.conf to configure CFO EMA (set default to 0.4) 2017-10-20 12:34:34 -04:00
Xavier Arteaga c8bba2f4d0 DFT optimization. memcpy removal (#76) 
* Solved PHICH Segmentation fault for MIMO

* Initial Guru FFT optimitzation

* Guru (i)FFT implemented. All test passed!

* Integrated new DFT into pdsch_enodeb and pdsch_ue. Solved more DFT bugs.

* Solved Merge Errors and bugs

* Solved UL Guru bug (DC missing). Updated Init and OFDM calls for enb and ue (cell measurement too).
 2017-10-20 10:09:27 -04:00
Justin Tallon 774a456e31 adding phy layer support for mbms 2017-09-25 13:45:56 +02:00
Ismael Gomez 05da1ac480 Merge branch 'mobility' of github.com:softwareradiosystems/srsLTE into mobility 2017-09-13 13:39:17 +02:00
Xavier Arteaga afd2bbbfc2 Added periodic RI on PUCCH for TM3 and TM4 2017-09-13 13:37:48 +02:00
Xavier Arteaga 65f5987ea8 Added RI reporting for TM3 and TM4 (no PMI) 2017-09-13 13:37:42 +02:00
Ismael Gomez 41188b409e cleaned up cfo set tolerance functions 2017-09-12 11:10:32 +02:00
Ismael Gomez b0639ab394 resolved merge conflicts 2017-09-05 15:26:36 +02:00
Ismael Gomez e5feec1934 Temporal commit before merge. Changed sequence objects to avoid reallocating memory. new NAS/RRC working with initial attachment 2017-09-01 13:29:11 +02:00
Andre Puschmann d079d25b2c rename srslte folder and src subfolder 2017-05-30 13:05:04 +02:00