21 commits

Author	SHA1	Message	Date
Ahmet Inan	6f99db1444	improve CFO estimation using hard decision	2021-07-21 00:12:59 +02:00
Ahmet Inan	357a90805c	use a simpler estimation for finer CFO	2021-07-20 21:47:49 +02:00
Ahmet Inan	ef152cc53f	scramble user data only using Xorshift32	2021-07-18 04:48:32 +02:00
Ahmet Inan	2645f96056	added support for various operation modes: ... mode 2: 8PSK, 2700 Hz bandwidth and about 10 seconds long mode 3: 8PSK, 2500 Hz bandwidth and about 11 seconds long mode 4: QPSK, 2500 Hz bandwidth and about 16 seconds long mode 5: QPSK, 2250 Hz bandwidth and about 18 seconds long	2021-06-16 19:54:55 +02:00
Ahmet Inan	463836c41f	made number of active carriers a constructor argument	2021-06-16 15:16:01 +02:00
Ahmet Inan	82c279f13b	minor cleanup	2021-06-13 14:45:44 +02:00
Ahmet Inan	5a6e5cd995	removed payload CRC check: let user decide	2021-06-13 14:35:51 +02:00
Ahmet Inan	c87bfc6e78	added nrz() helper function	2021-06-13 14:19:46 +02:00
Ahmet Inan	5f4c2cdba9	compute descrambled constellations only once	2021-06-13 11:50:55 +02:00
Ahmet Inan	4683e531fe	handle erasures produced by LDPC decoding	2021-06-12 13:27:08 +02:00
Ahmet Inan	a1c0ab3d25	interleave bits for improved LDPC performance	2021-06-12 12:15:34 +02:00
Ahmet Inan	a07fe52134	scramble I and Q using two independent sequences	2021-06-11 22:52:01 +02:00
Ahmet Inan	30f39ce41b	estimate SNR using corrected symbols	2021-06-11 11:12:52 +02:00
Ahmet Inan	7e362ae224	estimate SNR using hard decision	2021-06-11 11:12:52 +02:00
Ahmet Inan	7ba95fb000	added LDPC forward error correction	2021-06-11 11:12:52 +02:00
Ahmet Inan	0e9f46efd1	added BCH forward error correction	2021-06-11 11:12:52 +02:00
Ahmet Inan	79c0aaf998	minor cleanup	2021-06-11 11:12:52 +02:00
Ahmet Inan	cc3e9cc10f	added CRC check of payload	2021-06-11 11:12:52 +02:00
Ahmet Inan	361779211c	use bitman.hh	2021-06-11 11:12:52 +02:00
Ahmet Inan	aa28a2e58d	pass user data using uint8_t array	2021-06-11 11:12:52 +02:00
Ahmet Inan	3546d516b1	Initial commit	2021-06-11 11:12:44 +02:00