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Author SHA1 Message Date
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
Ahmet Inan
9a4fc65d1e reduced buffering 2023-12-14 08:25:33 +01:00
Ahmet Inan
4706f00281 relaxed dc blocker 2023-12-14 08:23:24 +01:00
Ahmet Inan
e27c8e1e06 added extended length constant 2023-12-14 08:21:34 +01:00
Ahmet Inan
31a28e3de7 lowered lowest allowed volume by an order of magnitude 2023-12-14 07:41:31 +01:00
Ahmet Inan
859b64ef0e keep limits symmetric 2023-12-13 20:38:45 +01:00
Ahmet Inan
9c75c4f3e2 removed redundant buffers 2023-12-13 20:35:28 +01:00
Ahmet Inan
d28adaeb13 added aarch64 example 2023-12-13 20:31:39 +01:00
Ahmet Inan
30e34dfef5 keep limits symmetric so it doesn't interfere with scrambling 2023-12-13 20:27:44 +01:00
Ahmet Inan
12c11b84c9 erase weak subcarriers 2023-12-13 17:15:21 +01:00
Ahmet Inan
7c693b1075 set default CFO to 1500 Hz 2023-03-08 08:32:39 +01:00
Ahmet Inan
c9ce52c45c set data_len to zero on payload error 2023-02-03 11:31:13 +01:00
Ahmet Inan
80eefcdeea only report, don't show diff 2023-01-04 15:39:06 +01:00
Ahmet Inan
6f58e93018 added support for modes 0, 15 and 16 2023-01-04 15:37:23 +01:00
Ahmet Inan
ee81124c4b added 1/2 and 1/3 rate codes 2023-01-04 12:13:04 +01:00
Ahmet Inan
d3075d33c9 replace EOF with null terminator 2022-12-25 16:24:05 +01:00