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Author	SHA1	Message	Date
Ahmet Inan	c4bcf6de1b	precompute weights	2025-06-27 14:11:23 +02:00
Ahmet Inan	ab5a0ed683	replaced synchronization symbol with two longer symbols	2025-06-27 14:11:23 +02:00
Ahmet Inan	02c7e6d3f2	added clamp lambda	2025-06-27 10:21:30 +02:00
Ahmet Inan	68e0e81593	decoder depends on Schmidl & Cox header	2025-06-27 08:03:02 +02:00
Ahmet Inan	77719cc63b	added more shuffles	2025-06-25 16:39:28 +02:00
Ahmet Inan	8cb6f44085	added more codes with hand-picked erasure probabilities	2025-06-25 15:43:44 +02:00
Ahmet Inan	4cb15194aa	replaced Fisher-Yates shuffle with XorShiftMask mapping	2025-06-25 12:35:32 +02:00
Ahmet Inan	f92a24eb5a	use non-systematic polar codes	2025-06-25 11:54:53 +02:00
Ahmet Inan	1076bb953b	replaced deprecated -Ofast with -O3 -ffast-math	2025-06-12 12:41:19 +02:00
Ahmet Inan	6282c0af33	avoid variable length arrays	2024-11-07 11:07:43 +01:00
Ahmet Inan	d5a0b5c2f2	moved Schmidl & Cox correlator to own header	2024-03-17 11:55:25 +01:00
Ahmet Inan	2ec2af1ec9	algorithm header not needed anymore	2024-03-09 19:32:53 +01:00
Ahmet Inan	cd03049294	oops	2024-03-09 18:13:25 +01:00
Ahmet Inan	ad3cf75925	avoid oversaturation decoder errors at high SNR	2024-02-21 11:28:35 +01:00
Ahmet Inan	359a38ad6e	candidates are sorted now	2024-02-09 13:42:40 +01:00
Ahmet Inan	a56466c08f	added support for multiple input and output files	2024-01-25 17:26:36 +01:00
Ahmet Inan	6523f6f701	added scale parameter	2024-01-24 14:55:47 +01:00
Ahmet Inan	2d765a78fd	start parity bits early, as we use a crc at the end	2024-01-21 11:01:18 +01:00
Ahmet Inan	d69dd7aa03	use parity aided polar codes	2024-01-20 23:13:58 +01:00
Ahmet Inan	ad5f0e04ea	removed rattlegram modes	2024-01-20 18:16:30 +01:00
Ahmet Inan	390a11e5dc	revised modes to better amortize the preamble cost ... .. and to have a larger minimum size payload of 256 bytes	2024-01-05 13:24:49 +01:00
Ahmet Inan	c597ac3398	added rattlegram modes	2024-01-03 18:12:48 +01:00
Ahmet Inan	88e8a3ad94	replaced frequency offset paramter with operation mode	2024-01-03 17:22:12 +01:00
Ahmet Inan	41472f6f77	allow up to 10% of constellation point distance	2023-12-26 13:48:49 +01:00
Ahmet Inan	bce8a6ee56	erase remaining bits	2023-12-26 11:28:56 +01:00
Ahmet Inan	fff6c60bbe	added six new modes ... Mode 23: DQPSK, 1/2-rate code, 1600 Hz bandwidth and 1.08 seconds Mode 24: DQPSK, 3/4-rate code, 1600 Hz bandwidth and 1.08 seconds Mode 25: QAM16, 1/2-rate code, 1700 Hz bandwidth and 1.08 seconds Mode 26: QAM16, 3/4-rate code, 1700 Hz bandwidth and 1.08 seconds Mode 27: QAM64, 2/3-rate code, 1900 Hz bandwidth and 1.26 seconds Mode 28: QAM64, 3/4-rate code, 1900 Hz bandwidth and 1.26 seconds	2023-12-26 11:28:56 +01:00
Ahmet Inan	d98abc99cd	do finer compensation using data-driven estimation	2023-12-18 19:07:47 +01:00
Ahmet Inan	b93079de81	compensate using comb type pilots	2023-12-18 13:23:13 +01:00
Ahmet Inan	71cc33e481	do unlimited clipping before the PCM writer does it	2023-12-18 10:13:32 +01:00
Ahmet Inan	d978bb0be6	base modulation order from mod_bits	2023-12-17 11:45:01 +01:00
Ahmet Inan	513664a0e3	shuffle the code bits	2023-12-16 08:30:47 +01:00
Ahmet Inan	dc1a5b2ef7	removed the extra pilot block	2023-12-16 08:05:17 +01:00
Ahmet Inan	8a54b59d1e	compensate using data driven estimation	2023-12-15 23:47:55 +01:00
Ahmet Inan	7a87215eb3	doubled symbols and payload size	2023-12-15 20:17:38 +01:00
Ahmet Inan	cd9d912711	changed four QPSK symbols to two QAM16 symbols	2023-12-15 19:14:58 +01:00
Ahmet Inan	d1a2ec19f0	added three new, non-differential modes	2023-12-15 18:38:54 +01:00
Ahmet Inan	4649221a62	disabled compensation	2023-12-15 18:22:33 +01:00
Ahmet Inan	a37246b7a0	limit the amount of damage clipping can do	2023-12-15 12:51:54 +01:00
Ahmet Inan	4d63fc5df0	keep it simple	2023-12-15 11:54:11 +01:00
Ahmet Inan	ae4d601e96	added reserved tones parameter	2023-12-15 11:44:47 +01:00
Ahmet Inan	5eb0e100a7	let's seem them both work together	2023-12-15 10:50:29 +01:00
Ahmet Inan	ace307de9c	increased amplitude to see PAPR reduction work	2023-12-15 10:45:50 +01:00
Ahmet Inan	c8f1096474	allow up to a hundred iterations	2023-12-15 10:35:16 +01:00
Ahmet Inan	0b99170d62	eight reserved tones are enough	2023-12-14 16:56:34 +01:00
Ahmet Inan	d32860f7af	derive from number of reserved tones	2023-12-14 16:56:34 +01:00
Ahmet Inan	c851ed2a5a	stop papr reduction if goal is reached	2023-12-14 16:56:27 +01:00
Ahmet Inan	d3a37c9e83	use the tone reservation technique to improve PAPR	2023-12-14 10:51:43 +01:00
Ahmet Inan	bf382cfe77	improved some names	2023-12-14 10:23:21 +01:00
Ahmet Inan	b2c0e56c4f	compute the complex PAPR ... even though we only use the real part	2023-12-14 09:14:58 +01:00
Ahmet Inan	0cf139ddaf	we already are oversampled	2023-12-14 08:51:25 +01:00