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srsLTE
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26 Commits

Author SHA1 Message Date
Xavier Arteaga 6d355ab61e SRSUE: Fix HO initial CFO 2020-04-02 13:52:23 +02:00
Xavier Arteaga e832769ae6 Updated copyright 2020-03-16 11:26:06 +01:00
Ismael Gomez 4e12405fff
Remove radio_multi class and organize channels, ports and carrier buffers (#1019) 2020-03-06 15:26:48 +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
Xavier Arteaga 8dd1c59e18 Added amplitude and power conversions to dB and viceversa 2019-12-02 09:47:22 +01:00
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
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 0750ff3091 Option to not wrap when reading signal from file 2018-01-16 19:33:51 +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 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 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
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
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