Commit graph

164 commits

Author SHA1 Message Date
Ahmet Inan
d53f6bdf7e print the absolute sample position of synchronization 2025-07-07 06:45:42 +02:00
Ahmet Inan
a3e02dd523 use mode 17 in example 2025-07-07 06:31:48 +02:00
Ahmet Inan
a5ec161773 print SFO and residual CFO 2025-07-06 15:17:20 +02:00
Ahmet Inan
0ce4068061 average both synchronization symbols for a better channel estimate 2025-07-06 12:58:58 +02:00
Ahmet Inan
448dbcc011 need to be more sensitive for BPSK to show its potential 2025-07-05 19:53:30 +02:00
Ahmet Inan
5d257f55ec implemented differential modulation 2025-07-05 17:04:27 +02:00
Ahmet Inan
0cf1e2f3fe added some more modes 2025-07-05 10:33:17 +02:00
Ahmet Inan
6150c538b4 limit precision 2025-07-04 17:21:53 +02:00
Ahmet Inan
9c29a0a08d simplified demodulation or erase function 2025-07-04 16:59:26 +02:00
Ahmet Inan
5677a7163b merged demodulation with demapping 2025-07-04 16:52:41 +02:00
Ahmet Inan
9370ce0bcd update channel smoothly 2025-07-04 08:31:45 +02:00
Ahmet Inan
ff844944c7 don't need the Hadamard encoder for mode zero 2025-07-02 12:42:02 +02:00
Ahmet Inan
5b99d357bf moved crc0 and data array to common struct 2025-07-02 12:16:15 +02:00
Ahmet Inan
8cab519b16 moved common code to Common class 2025-07-02 12:02:36 +02:00
Ahmet Inan
7c2b4d94a0 don't need to skimp on letters here 2025-07-02 08:47:26 +02:00
Ahmet Inan
bd247504e1 don't need temp 2025-07-02 08:31:58 +02:00
Ahmet Inan
c7d801904e don't touch the pilots when clipping 2025-07-02 07:32:01 +02:00
Ahmet Inan
69ebf0ea29 made offsets accessible to other methods 2025-07-02 07:05:20 +02:00
Ahmet Inan
8d45b0546f adapted to new scheme 2025-07-02 06:50:53 +02:00
Ahmet Inan
d565750bf7 use a larger list 2025-07-02 06:49:38 +02:00
Ahmet Inan
20fd39c280 added option for longer leading noise 2025-07-01 23:47:14 +02:00
Ahmet Inan
53593d3350 use a shorter MLS for leading noise 2025-07-01 23:41:18 +02:00
Ahmet Inan
42ed10ea14 use 31 length MLS for pilots 2025-07-01 23:19:36 +02:00
Ahmet Inan
b71926062d use 16 bit LLRs 2025-07-01 22:53:14 +02:00
Ahmet Inan
25d9f2218b removed now redundant erasing 2025-07-01 21:04:47 +02:00
Ahmet Inan
ac25210651 use bin 2025-07-01 20:55:56 +02:00
Ahmet Inan
b10e171e9a added some more modes 2025-07-01 15:04:08 +02:00
Ahmet Inan
f0f0aace39 reduced guard interval to 1/16 2025-07-01 13:39:50 +02:00
Ahmet Inan
aca54002cc generate tone reservation kernel for each symbol 2025-07-01 11:51:23 +02:00
Ahmet Inan
464d4a96c2 sprinkle QAM64 with QAM4 or QAM16 to fill in the gaps 2025-07-01 11:27:15 +02:00
Ahmet Inan
e900853840 cleaned up scaling 2025-07-01 09:24:27 +02:00
Ahmet Inan
838155c063 skew pilot and reserved tones 2025-07-01 08:26:28 +02:00
Ahmet Inan
50429635a0 cleaned up names 2025-07-01 06:32:55 +02:00
Ahmet Inan
efe5b9421d interleave reserved tones with data subcarriers 2025-06-30 21:47:08 +02:00
Ahmet Inan
d5c4bb25f5 added helper arrays 2025-06-30 14:39:03 +02:00
Ahmet Inan
8bcfd30426 added setup methods 2025-06-30 13:30:08 +02:00
Ahmet Inan
4b99f82aac use the first 32 comb pilots to signal the mode 2025-06-30 12:36:35 +02:00
Ahmet Inan
4430de392b also use 32 reserved tones for QAM64 2025-06-28 11:57:40 +02:00
Ahmet Inan
0089c8cb30 comb distance and offset are constant now 2025-06-28 11:30:53 +02:00
Ahmet Inan
5760675679 always use 32 reserved tones 2025-06-28 10:22:38 +02:00
Ahmet Inan
09ada3d10f always use 32 comb type pilots 2025-06-28 08:41:47 +02:00
Ahmet Inan
91090f0cac moved transition into the middle 2025-06-27 14:11:23 +02:00
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