Commit graph

241 commits

Author SHA1 Message Date
Ahmet Inan
a4a8b57769 moved common header includes to common.hh 2025-11-25 08:26:33 +01:00
Ahmet Inan
811a3fbb42 use base40 and one more bit to get three more characters 2025-11-25 03:19:57 +01:00
Ahmet Inan
7e73a251a7 simplified SLM loop 2025-08-08 07:00:54 +02:00
Ahmet Inan
f816ebbc43 use only one polynomial for scrambling 2025-08-06 23:00:01 +02:00
Ahmet Inan
16b5f7e5c9 minor cleanup 2025-08-06 23:00:01 +02:00
Ahmet Inan
b8dd4de3d8 use a better seed for combinations 2025-08-06 23:00:01 +02:00
Ahmet Inan
cec02bb851 merge head and tail to side (information) 2025-08-06 23:00:01 +02:00
Ahmet Inan
815b65717e would be nice to get a subchannel SNR figure 2025-08-06 23:00:01 +02:00
Ahmet Inan
40f084bfb5 the guard interval transition is at the middle now 2025-08-06 23:00:01 +02:00
Ahmet Inan
3aa823facd abort if either head or tail data is damaged 2025-07-27 21:40:34 +02:00
Ahmet Inan
ae22102c0f it's good enough 2025-07-27 21:37:09 +02:00
Ahmet Inan
fde3bed386 drop differential modes 2025-07-27 16:55:37 +02:00
Ahmet Inan
40fdc7d590 found better parameters via simulation 2025-07-25 21:53:55 +02:00
Ahmet Inan
befca97381 added todo 2025-07-23 13:48:21 +02:00
Ahmet Inan
3d6227a5b7 you can also stream out 2025-07-23 13:48:21 +02:00
Ahmet Inan
92a3ef6c31 added improved example using SoX 2025-07-23 13:48:21 +02:00
Ahmet Inan
505c2f2f47 added payload sizes and bitrates for the new modes 2025-07-21 11:09:38 +02:00
Ahmet Inan
a626441665 made specifying the mode nicer 2025-07-21 11:09:38 +02:00
Ahmet Inan
3d61323f1b print mode info human readable 2025-07-21 11:06:25 +02:00
Ahmet Inan
47e8aaf662 added code rates 2/3, 3/4 and 5/6
scaling factors for erasure probability derived from 1/2-rate code
2025-07-21 11:06:25 +02:00
Ahmet Inan
c1ecc959d1 use at least 16 symbols with normal frames 2025-07-21 11:06:25 +02:00
Ahmet Inan
bedd84afb4 added new modes and bitrates 2025-07-21 11:06:25 +02:00
Ahmet Inan
53acfab11c added support for base37 encoded call sign 2025-07-18 15:24:27 +02:00
Ahmet Inan
d4c517337c need higher precision values to make QAM4096 work 2025-07-18 13:18:35 +02:00
Ahmet Inan
c0fedcbc57 added support for QAM4096 2025-07-18 12:52:01 +02:00
Ahmet Inan
cf126158b1 added support for QAM1024 2025-07-18 11:15:04 +02:00
Ahmet Inan
636fcd4f97 added mode table per Rory (VK4SUS) 2025-07-18 10:55:34 +02:00
Ahmet Inan
3765da54ff restored short and long codes 2025-07-18 09:38:57 +02:00
Ahmet Inan
f1539aacdc oops 2025-07-18 09:15:44 +02:00
Ahmet Inan
cab6f381c4 updated durations 2025-07-18 07:26:27 +02:00
Ahmet Inan
049dfdb3fa accommodate preamble symbol in PAPR computations 2025-07-18 07:19:13 +02:00
Ahmet Inan
bca52ea9e8 integrated new preamble 2025-07-18 07:08:26 +02:00
Ahmet Inan
b8fb5e7dd6 added 16 bit CRC 2025-07-17 12:00:44 +02:00
Ahmet Inan
675ee7b024 renamed to make room for new preamble 2025-07-17 11:16:30 +02:00
Ahmet Inan
92a4213b5f added shuffles for the new code 2025-07-17 10:31:26 +02:00
Ahmet Inan
d11ec2b726 added polar code for new preamble 2025-07-17 10:20:07 +02:00
Ahmet Inan
88e25f1abb sample rate of 8000 Hz not supported anymore 2025-07-16 12:37:27 +02:00
Ahmet Inan
962a56cd2e we need a 2400 Hz bandwidth now 2025-07-16 12:24:48 +02:00
Ahmet Inan
1dbc86c66f use a shorter guard interval
got rid of 8k and 16k sample rates. we can resample if needed.
2025-07-16 12:00:49 +02:00
Ahmet Inan
78378bb5ac made gcc happy 2025-07-15 10:24:55 +02:00
Ahmet Inan
7946e8e3bb let's have at least one 1 second mode 2025-07-13 11:28:24 +02:00
Ahmet Inan
8067d65477 reserve seed value of zero 2025-07-13 11:28:24 +02:00
Ahmet Inan
4b12986dc0 now we can try more combinations on first symbol 2025-07-13 11:28:24 +02:00
Ahmet Inan
34abccdf6e trimmed modes to free some bits in first symbol 2025-07-13 08:23:34 +02:00
Ahmet Inan
1441686bb8 stop search when papr is good enough 2025-07-12 21:53:40 +02:00
Ahmet Inan
ad8b983ed4 permute combinations for greater diversity on less iteration 2025-07-12 19:10:22 +02:00
Ahmet Inan
b72a2b3f31 try all seeds 2025-07-12 14:42:00 +02:00
Ahmet Inan
80b2cb4483 test multiple polynomials 2025-07-12 14:12:24 +02:00
Ahmet Inan
800dfb9d78 print residual CFO in millihertz 2025-07-12 08:02:39 +02:00
Ahmet Inan
87eae6675a set fixed print precision once 2025-07-11 23:08:05 +02:00