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Changes to make it easier to test different codes.

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Steve Franke 2018-05-30 10:24:59 -05:00
parent 358081f280
commit 01a380084d
8 changed files with 391 additions and 308 deletions
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284
lib/fsk4hf/bpdecode174_91.f90
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@ -15,288 +15,10 @@ real tanhtoc(7,M)
real zn(N)
real llr(N)
real Tmn
integer nrw(M)
integer nrw(M),ncw
data colorder/ &
0, 1, 2, 3, 28, 4, 5, 6, 7, 8, 9, 10, 11, 34, 12, 32, 13, 14, 15, 16,&
17, 18, 36, 29, 40, 19, 20, 38, 21, 41, 30, 42, 22, 44, 37, 47, 48, 23, 33, 43,&
49, 45, 56, 39, 25, 26, 46, 50, 51, 52, 24, 57, 58, 61, 31, 54, 64, 35, 27, 62,&
59, 53, 60, 63, 55, 70, 66, 67, 68, 65, 71, 74, 72, 73, 77, 75, 69, 76, 79, 82,&
83, 78, 81, 80, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99,&
100,101,102,103,104,105,106,107,108,109,110,111,112,113,114,115,116,117,118,119,&
120,121,122,123,124,125,126,127,128,129,130,131,132,133,134,135,136,137,138,139,&
140,141,142,143,144,145,146,147,148,149,150,151,152,153,154,155,156,157,158,159,&
160,161,162,163,164,165,166,167,168,169,170,171,172,173/
data Mn/ &
1, 24, 66, &
2, 5, 70, &
3, 31, 65, &
4, 49, 58, &
6, 60, 67, &
7, 32, 75, &
8, 48, 82, &
9, 35, 41, &
10, 39, 62, &
11, 14, 61, &
12, 71, 74, &
13, 23, 78, &
15, 16, 79, &
17, 54, 63, &
18, 50, 57, &
19, 30, 47, &
20, 64, 80, &
21, 28, 69, &
22, 25, 43, &
26, 34, 72, &
27, 36, 37, &
29, 40, 44, &
33, 52, 53, &
38, 55, 83, &
42, 51, 59, &
45, 76, 81, &
46, 68, 77, &
56, 67, 73, &
1, 4, 5, &
2, 47, 51, &
3, 46, 82, &
6, 24, 76, &
7, 9, 16, &
8, 10, 78, &
11, 35, 55, &
12, 38, 64, &
13, 42, 83, &
14, 27, 54, &
15, 21, 34, &
17, 44, 53, &
18, 25, 28, &
19, 33, 57, &
20, 22, 73, &
23, 40, 81, &
26, 49, 68, &
29, 71, 75, &
30, 65, 79, &
31, 36, 60, &
32, 43, 77, &
37, 62, 70, &
39, 69, 74, &
41, 52, 66, &
45, 50, 61, &
48, 63, 80, &
56, 59, 72, &
58, 64, 65, &
1, 13, 28, &
2, 48, 75, &
3, 53, 69, &
4, 11, 44, &
5, 73, 79, &
6, 12, 17, &
7, 57, 60, &
8, 15, 61, &
9, 39, 59, &
10, 19, 49, &
14, 43, 52, &
16, 54, 68, &
18, 41, 63, &
20, 36, 45, &
21, 67, 77, &
10, 22, 55, &
23, 65, 72, &
24, 27, 82, &
25, 26, 29, &
30, 35, 37, &
31, 51, 66, &
17, 32, 78, &
33, 42, 76, &
34, 70, 83, &
38, 46, 81, &
40, 62, 80, &
45, 47, 74, &
50, 56, 71, &
7, 37, 58, &
1, 16, 71, &
2, 6, 61, &
3, 22, 50, &
4, 59, 77, &
5, 41, 81, &
8, 58, 74, &
9, 20, 26, &
11, 21, 31, &
12, 66, 79, &
13, 14, 57, &
15, 33, 40, &
18, 44, 82, &
19, 69, 83, &
23, 49, 63, &
24, 29, 39, &
25, 47, 56, &
27, 55, 72, &
28, 64, 70, &
30, 48, 77, &
32, 34, 45, &
35, 68, 80, &
36, 38, 52, &
42, 43, 62, &
46, 60, 78, &
51, 54, 67, &
53, 73, 75, &
14, 73, 76, &
1, 22, 30, &
2, 35, 43, &
3, 47, 63, &
4, 25, 76, &
5, 33, 78, &
6, 20, 83, &
7, 12, 72, &
8, 54, 70, &
9, 61, 65, &
10, 34, 51, &
11, 46, 75, &
13, 39, 68, &
15, 17, 56, &
16, 23, 36, &
18, 32, 55, &
19, 31, 81, &
21, 37, 71, &
24, 57, 64, &
26, 38, 48, &
27, 49, 50, &
28, 52, 59, &
29, 41, 58, &
40, 60, 74, &
42, 44, 79, &
51, 53, 80, &
62, 67, 82, &
23, 66, 69, &
1, 53, 61, &
2, 18, 39, &
3, 4, 12, &
5, 26, 74, &
6, 30, 52, &
7, 82, 83, &
8, 35, 73, &
9, 19, 67, &
10, 64, 75, &
11, 20, 33, &
13, 45, 48, &
3, 14, 40, &
15, 43, 49, &
16, 55, 76, &
17, 62, 65, &
21, 47, 78, &
22, 59, 81, &
24, 34, 63, &
25, 37, 66, &
27, 79, 80, &
28, 60, 79, &
29, 31, 70, &
32, 58, 69, &
10, 36, 77, &
38, 50, 51, &
13, 41, 56, &
42, 63, 71, &
44, 47, 68, &
1, 46, 72, &
54, 57, 75, &
2, 33, 58, &
4, 17, 83, &
5, 14, 55, &
6, 23, 48, &
7, 52, 56/
data Nm/ &
1, 29, 57, 86, 113, 140, 168, &
2, 30, 58, 87, 114, 141, 170, &
3, 31, 59, 88, 115, 142, 151, &
4, 29, 60, 89, 116, 142, 171, &
2, 29, 61, 90, 117, 143, 172, &
5, 32, 62, 87, 118, 144, 173, &
6, 33, 63, 85, 119, 145, 174, &
7, 34, 64, 91, 120, 146, 0, &
8, 33, 65, 92, 121, 147, 0, &
9, 34, 66, 72, 122, 148, 163, &
10, 35, 60, 93, 123, 149, 0, &
11, 36, 62, 94, 119, 142, 0, &
12, 37, 57, 95, 124, 150, 165, &
10, 38, 67, 95, 112, 151, 172, &
13, 39, 64, 96, 125, 152, 0, &
13, 33, 68, 86, 126, 153, 0, &
14, 40, 62, 78, 125, 154, 171, &
15, 41, 69, 97, 127, 141, 0, &
16, 42, 66, 98, 128, 147, 0, &
17, 43, 70, 92, 118, 149, 0, &
18, 39, 71, 93, 129, 155, 0, &
19, 43, 72, 88, 113, 156, 0, &
12, 44, 73, 99, 126, 139, 173, &
1, 32, 74, 100, 130, 157, 0, &
19, 41, 75, 101, 116, 158, 0, &
20, 45, 75, 92, 131, 143, 0, &
21, 38, 74, 102, 132, 159, 0, &
18, 41, 57, 103, 133, 160, 0, &
22, 46, 75, 100, 134, 161, 0, &
16, 47, 76, 104, 113, 144, 0, &
3, 48, 77, 93, 128, 161, 0, &
6, 49, 78, 105, 127, 162, 0, &
23, 42, 79, 96, 117, 149, 170, &
20, 39, 80, 105, 122, 157, 0, &
8, 35, 76, 106, 114, 146, 0, &
21, 48, 70, 107, 126, 163, 0, &
21, 50, 76, 85, 129, 158, 0, &
24, 36, 81, 107, 131, 164, 0, &
9, 51, 65, 100, 124, 141, 0, &
22, 44, 82, 96, 135, 151, 0, &
8, 52, 69, 90, 134, 165, 0, &
25, 37, 79, 108, 136, 166, 0, &
19, 49, 67, 108, 114, 152, 0, &
22, 40, 60, 97, 136, 167, 0, &
26, 53, 70, 83, 105, 150, 0, &
27, 31, 81, 109, 123, 168, 0, &
16, 30, 83, 101, 115, 155, 167, &
7, 54, 58, 104, 131, 150, 173, &
4, 45, 66, 99, 132, 152, 0, &
15, 53, 84, 88, 132, 164, 0, &
25, 30, 77, 110, 122, 137, 164, &
23, 52, 67, 107, 133, 144, 174, &
23, 40, 59, 111, 137, 140, 0, &
14, 38, 68, 110, 120, 169, 0, &
24, 35, 72, 102, 127, 153, 172, &
28, 55, 84, 101, 125, 165, 174, &
15, 42, 63, 95, 130, 169, 0, &
4, 56, 85, 91, 134, 162, 170, &
25, 55, 65, 89, 133, 156, 0, &
5, 48, 63, 109, 135, 160, 0, &
10, 53, 64, 87, 121, 140, 0, &
9, 50, 82, 108, 138, 154, 0, &
14, 54, 69, 99, 115, 157, 166, &
17, 36, 56, 103, 130, 148, 0, &
3, 47, 56, 73, 121, 154, 0, &
1, 52, 77, 94, 139, 158, 0, &
5, 28, 71, 110, 138, 147, 0, &
27, 45, 68, 106, 124, 167, 0, &
18, 51, 59, 98, 139, 162, 0, &
2, 50, 80, 103, 120, 161, 0, &
11, 46, 84, 86, 129, 166, 0, &
20, 55, 73, 102, 119, 168, 0, &
28, 43, 61, 111, 112, 146, 0, &
11, 51, 83, 91, 135, 143, 0, &
6, 46, 58, 111, 123, 148, 169, &
26, 32, 79, 112, 116, 153, 0, &
27, 49, 71, 89, 104, 163, 0, &
12, 34, 78, 109, 117, 155, 0, &
13, 47, 61, 94, 136, 159, 160, &
17, 54, 82, 106, 137, 159, 0, &
26, 44, 81, 90, 128, 156, 0, &
7, 31, 74, 97, 138, 145, 0, &
24, 37, 80, 98, 118, 145, 171/
data nrw/ &
7,7,7,7,7,7,7,6,6,7,6,6,7,7,6,6,7,6, &
6,6,6,6,7,6,6,6,6,6,6,6,6,6,7,6,6,6, &
6,6,6,6,6,6,6,6,6,6,7,7,6,6,7,7,6,6, &
7,7,6,7,6,6,6,6,7,6,6,6,6,6,6,6,6,6, &
6,6,7,6,6,6,7,6,6,6,7/
ncw=3
include "ldpc_174_91_a_colorder.f90"
include "ldpc_174_91_a_parity.f90"
decoded=0
toc=0

6
lib/fsk4hf/encode174_91.f90
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@ -4,16 +4,18 @@ subroutine encode174_91(message,codeword)
! The code is a (174,91) regular ldpc code with column weight 3.
!
include "ldpc_174_91_a_params.f90"
integer, parameter:: N=174, K=91, M=N-K
integer*1 codeword(N)
integer*1 gen(M,K)
integer*1 itmp(N)
integer*1 message(K)
integer*1 pchecks(M)
integer colorder(N)
include "ldpc_174_91_a_generator.f90"
include "ldpc_174_91_a_colorder.f90"
logical first
data first/.true./
save first,gen
if( first ) then ! fill the generator matrix

11
lib/fsk4hf/ldpc_174_91_a_colorder.f90 Normal file
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@ -0,0 +1,11 @@
data colorder/ &
0, 1, 2, 3, 28, 4, 5, 6, 7, 8, 9, 10, 11, 34, 12, 32, 13, 14, 15, 16,&
17, 18, 36, 29, 40, 19, 20, 38, 21, 41, 30, 42, 22, 44, 37, 47, 48, 23, 33, 43,&
49, 45, 56, 39, 25, 26, 46, 50, 51, 52, 24, 57, 58, 61, 31, 54, 64, 35, 27, 62,&
59, 53, 60, 63, 55, 70, 66, 67, 68, 65, 71, 74, 72, 73, 77, 75, 69, 76, 79, 82,&
83, 78, 81, 80, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99,&
100,101,102,103,104,105,106,107,108,109,110,111,112,113,114,115,116,117,118,119,&
120,121,122,123,124,125,126,127,128,129,130,131,132,133,134,135,136,137,138,139,&
140,141,142,143,144,145,146,147,148,149,150,151,152,153,154,155,156,157,158,159,&
160,161,162,163,164,165,166,167,168,169,170,171,172,173/

87
lib/fsk4hf/ldpc_174_91_a_generator.f90 Normal file
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@ -0,0 +1,87 @@
character*23 g(83)
data g/ &
"2a6a9ab98f661b797baa21a", &
"5fda604488977fdc30ff630", &
"8a450007032409e8797b13a", &
"0f7923bfa5d559590ef6efe", &
"44dc14bc4461e645f847c78", &
"f8c66224febd3e60f5e3708", &
"6d60329e83fb0e1b1bdac2e", &
"66435a472a7837a0e5d4e12", &
"9d0feced8745a66e328c310", &
"1791b0e7c5eaa43710c4276", &
"e5cbd2d5b4d65d3a432d97e", &
"c2241f8795e0e5bc6bd9052", &
"222d861201a4697c2689576", &
"aa2ee5d6d462e206f59cbe8", &
"e486eb73894e6a0964d8c40", &
"4099d5b42d36301cff6dbd6", &
"40c50b9341f7b5ea08dabde", &
"c90359074895363d428f072", &
"ca819cb6569fbfe26b68ef8", &
"4d983341fb56b8e1dae3450", &
"2dce341bc8fd0e5de04fa52", &
"3e7b01b376e3e5f6080de0e", &
"6c8b0813ca2394c08564f94", &
"c322ca8ea866784adc9451a", &
"6378aa1a03fab3e163aa4b0", &
"3c92ea8df0003883a021d70", &
"c793729067176eca26b83c2", &
"d3fae76046a36dff711207a", &
"bc9bf3ef57137fda1c325da", &
"a4eabe2df65a083ea6387c8", &
"650e3da3a0c0349154131d8", &
"1fb4c59ffc11c648ad06760", &
"1471f9599543f13fd7eb6ae", &
"6111012405186e84cba67ce", &
"c4da3574edafefff976fc08", &
"953f854e40701063115c0f2", &
"1f7ae6982f9a5733c44fb70", &
"83e101fe5e80c1b8541728e", &
"50375654edd53054f81e228", &
"1bb03a21a6cde34dff7ec96", &
"b0b279a934342aa0e188b3a", &
"e1989846a20a09cd77b1f64", &
"4eb68e01cb07fdbc83edee2", &
"f33ac4ec36a7c8e6ea8364c", &
"99b03a21a6c5e34dfffec96", &
"e50e3de3a1c034915413158", &
"fda09f8b05b8fb80ac78600", &
"ca8709be6b193204dd25ab0", &
"35701ff0cc3a03f213a93d2", &
"c2bfdec67f7b5a4c5ee7544", &
"dc184fe7e93a65c1b4b7cd2", &
"8cf8aac820f107d6ec6b30a", &
"e74b3da5a3e43d593d680e2", &
"c1e51f79db6124243fceadc", &
"29237d5d05dc1a4cca2ddd0", &
"050e76be4749b3b279d6414", &
"dd163959ae739673cde18c6", &
"03e100fe5e81c1b85417a8e", &
"06b2b17f70e75fc365bed20", &
"6df9e72abecd3e03e4b77fa", &
"4fa5370361b4bf3cf6b1296", &
"eabbf88f0a88307629bfd1c", &
"190674f88cf69989c8b8a40", &
"37740c13cfad07f61dcac3a", &
"4e7923bfa5d579590ef4ede", &
"fe74d37b8e5a63a2905da28", &
"2101e7a95979b2c5c44257e", &
"841f3ec7a4585a159fb5796", &
"aa7ff31d4b7f859c21254c2", &
"6e69229ba0cdb7ddcd50930", &
"29cfc4288af223bea58b96e", &
"5d03eba9f51956176b87abe", &
"399cbc33a7498b31d9f79e4", &
"034967e48ab80135b1c7fca", &
"721ad006ac715928df9775e", &
"37210b395327446ac7108f8", &
"52acf6de27477ea937e5330", &
"1f3a8549435c198b68231c8", &
"ef6809edb4a3557cd173d0a", &
"09a31639fef9c7a8b6fcae2", &
"03bc87c137eeec711c68d36", &
"b09347742319f90131d3146", &
"a723c9cef1de8c97f34c94c"/

269
lib/fsk4hf/ldpc_174_91_a_parity.f90 Normal file
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@ -0,0 +1,269 @@
data Mn/ &
1, 24, 66, &
2, 5, 70, &
3, 31, 65, &
4, 49, 58, &
6, 60, 67, &
7, 32, 75, &
8, 48, 82, &
9, 35, 41, &
10, 39, 62, &
11, 14, 61, &
12, 71, 74, &
13, 23, 78, &
15, 16, 79, &
17, 54, 63, &
18, 50, 57, &
19, 30, 47, &
20, 64, 80, &
21, 28, 69, &
22, 25, 43, &
26, 34, 72, &
27, 36, 37, &
29, 40, 44, &
33, 52, 53, &
38, 55, 83, &
42, 51, 59, &
45, 76, 81, &
46, 68, 77, &
56, 67, 73, &
1, 4, 5, &
2, 47, 51, &
3, 46, 82, &
6, 24, 76, &
7, 9, 16, &
8, 10, 78, &
11, 35, 55, &
12, 38, 64, &
13, 42, 83, &
14, 27, 54, &
15, 21, 34, &
17, 44, 53, &
18, 25, 28, &
19, 33, 57, &
20, 22, 73, &
23, 40, 81, &
26, 49, 68, &
29, 71, 75, &
30, 65, 79, &
31, 36, 60, &
32, 43, 77, &
37, 62, 70, &
39, 69, 74, &
41, 52, 66, &
45, 50, 61, &
48, 63, 80, &
56, 59, 72, &
58, 64, 65, &
1, 13, 28, &
2, 48, 75, &
3, 53, 69, &
4, 11, 44, &
5, 73, 79, &
6, 12, 17, &
7, 57, 60, &
8, 15, 61, &
9, 39, 59, &
10, 19, 49, &
14, 43, 52, &
16, 54, 68, &
18, 41, 63, &
20, 36, 45, &
21, 67, 77, &
10, 22, 55, &
23, 65, 72, &
24, 27, 82, &
25, 26, 29, &
30, 35, 37, &
31, 51, 66, &
17, 32, 78, &
33, 42, 76, &
34, 70, 83, &
38, 46, 81, &
40, 62, 80, &
45, 47, 74, &
50, 56, 71, &
7, 37, 58, &
1, 16, 71, &
2, 6, 61, &
3, 22, 50, &
4, 59, 77, &
5, 41, 81, &
8, 58, 74, &
9, 20, 26, &
11, 21, 31, &
12, 66, 79, &
13, 14, 57, &
15, 33, 40, &
18, 44, 82, &
19, 69, 83, &
23, 49, 63, &
24, 29, 39, &
25, 47, 56, &
27, 55, 72, &
28, 64, 70, &
30, 48, 77, &
32, 34, 45, &
35, 68, 80, &
36, 38, 52, &
42, 43, 62, &
46, 60, 78, &
51, 54, 67, &
53, 73, 75, &
14, 73, 76, &
1, 22, 30, &
2, 35, 43, &
3, 47, 63, &
4, 25, 76, &
5, 33, 78, &
6, 20, 83, &
7, 12, 72, &
8, 54, 70, &
9, 61, 65, &
10, 34, 51, &
11, 46, 75, &
13, 39, 68, &
15, 17, 56, &
16, 23, 36, &
18, 32, 55, &
19, 31, 81, &
21, 37, 71, &
24, 57, 64, &
26, 38, 48, &
27, 49, 50, &
28, 52, 59, &
29, 41, 58, &
40, 60, 74, &
42, 44, 79, &
51, 53, 80, &
62, 67, 82, &
23, 66, 69, &
1, 53, 61, &
2, 18, 39, &
3, 4, 12, &
5, 26, 74, &
6, 30, 52, &
7, 82, 83, &
8, 35, 73, &
9, 19, 67, &
10, 64, 75, &
11, 20, 33, &
13, 45, 48, &
3, 14, 40, &
15, 43, 49, &
16, 55, 76, &
17, 62, 65, &
21, 47, 78, &
22, 59, 81, &
24, 34, 63, &
25, 37, 66, &
27, 79, 80, &
28, 60, 79, &
29, 31, 70, &
32, 58, 69, &
10, 36, 77, &
38, 50, 51, &
13, 41, 56, &
42, 63, 71, &
44, 47, 68, &
1, 46, 72, &
54, 57, 75, &
2, 33, 58, &
4, 17, 83, &
5, 14, 55, &
6, 23, 48, &
7, 52, 56/
data Nm/ &
1, 29, 57, 86, 113, 140, 168, &
2, 30, 58, 87, 114, 141, 170, &
3, 31, 59, 88, 115, 142, 151, &
4, 29, 60, 89, 116, 142, 171, &
2, 29, 61, 90, 117, 143, 172, &
5, 32, 62, 87, 118, 144, 173, &
6, 33, 63, 85, 119, 145, 174, &
7, 34, 64, 91, 120, 146, 0, &
8, 33, 65, 92, 121, 147, 0, &
9, 34, 66, 72, 122, 148, 163, &
10, 35, 60, 93, 123, 149, 0, &
11, 36, 62, 94, 119, 142, 0, &
12, 37, 57, 95, 124, 150, 165, &
10, 38, 67, 95, 112, 151, 172, &
13, 39, 64, 96, 125, 152, 0, &
13, 33, 68, 86, 126, 153, 0, &
14, 40, 62, 78, 125, 154, 171, &
15, 41, 69, 97, 127, 141, 0, &
16, 42, 66, 98, 128, 147, 0, &
17, 43, 70, 92, 118, 149, 0, &
18, 39, 71, 93, 129, 155, 0, &
19, 43, 72, 88, 113, 156, 0, &
12, 44, 73, 99, 126, 139, 173, &
1, 32, 74, 100, 130, 157, 0, &
19, 41, 75, 101, 116, 158, 0, &
20, 45, 75, 92, 131, 143, 0, &
21, 38, 74, 102, 132, 159, 0, &
18, 41, 57, 103, 133, 160, 0, &
22, 46, 75, 100, 134, 161, 0, &
16, 47, 76, 104, 113, 144, 0, &
3, 48, 77, 93, 128, 161, 0, &
6, 49, 78, 105, 127, 162, 0, &
23, 42, 79, 96, 117, 149, 170, &
20, 39, 80, 105, 122, 157, 0, &
8, 35, 76, 106, 114, 146, 0, &
21, 48, 70, 107, 126, 163, 0, &
21, 50, 76, 85, 129, 158, 0, &
24, 36, 81, 107, 131, 164, 0, &
9, 51, 65, 100, 124, 141, 0, &
22, 44, 82, 96, 135, 151, 0, &
8, 52, 69, 90, 134, 165, 0, &
25, 37, 79, 108, 136, 166, 0, &
19, 49, 67, 108, 114, 152, 0, &
22, 40, 60, 97, 136, 167, 0, &
26, 53, 70, 83, 105, 150, 0, &
27, 31, 81, 109, 123, 168, 0, &
16, 30, 83, 101, 115, 155, 167, &
7, 54, 58, 104, 131, 150, 173, &
4, 45, 66, 99, 132, 152, 0, &
15, 53, 84, 88, 132, 164, 0, &
25, 30, 77, 110, 122, 137, 164, &
23, 52, 67, 107, 133, 144, 174, &
23, 40, 59, 111, 137, 140, 0, &
14, 38, 68, 110, 120, 169, 0, &
24, 35, 72, 102, 127, 153, 172, &
28, 55, 84, 101, 125, 165, 174, &
15, 42, 63, 95, 130, 169, 0, &
4, 56, 85, 91, 134, 162, 170, &
25, 55, 65, 89, 133, 156, 0, &
5, 48, 63, 109, 135, 160, 0, &
10, 53, 64, 87, 121, 140, 0, &
9, 50, 82, 108, 138, 154, 0, &
14, 54, 69, 99, 115, 157, 166, &
17, 36, 56, 103, 130, 148, 0, &
3, 47, 56, 73, 121, 154, 0, &
1, 52, 77, 94, 139, 158, 0, &
5, 28, 71, 110, 138, 147, 0, &
27, 45, 68, 106, 124, 167, 0, &
18, 51, 59, 98, 139, 162, 0, &
2, 50, 80, 103, 120, 161, 0, &
11, 46, 84, 86, 129, 166, 0, &
20, 55, 73, 102, 119, 168, 0, &
28, 43, 61, 111, 112, 146, 0, &
11, 51, 83, 91, 135, 143, 0, &
6, 46, 58, 111, 123, 148, 169, &
26, 32, 79, 112, 116, 153, 0, &
27, 49, 71, 89, 104, 163, 0, &
12, 34, 78, 109, 117, 155, 0, &
13, 47, 61, 94, 136, 159, 160, &
17, 54, 82, 106, 137, 159, 0, &
26, 44, 81, 90, 128, 156, 0, &
7, 31, 74, 97, 138, 145, 0, &
24, 37, 80, 98, 118, 145, 171/
data nrw/ &
7,7,7,7,7,7,7,6,6,7,6,6,7,7,6,6,7,6, &
6,6,6,6,7,6,6,6,6,6,6,6,6,6,7,6,6,6, &
6,6,6,6,6,6,6,6,6,6,7,7,6,6,7,7,6,6, &
7,7,6,7,6,6,6,6,7,6,6,6,6,6,6,6,6,6, &
6,6,7,6,6,6,7,6,6,6,7/
ncw=3

29
lib/fsk4hf/ldpcsim174_91.f90
View File

@ -3,31 +3,23 @@ program ldpcsim174_91
use crc
use packjt
integer, parameter:: N=174, K=91, M=N-K
character*22 msg,msgsent,msgreceived
character*8 arg
character*6 grid
integer*1, allocatable :: codeword(:), decoded(:), message(:)
integer*1, target:: i1Msg8BitBytes(12)
integer*1 msgbits(91)
integer*1 apmask(174), cw(174)
integer*1 msgbits(K)
integer*1 apmask(N), cw(N)
integer*2 checksum
integer*4 i4Msg6BitWords(13)
integer colorder(174)
integer nerrtot(174),nerrdec(174),nmpcbad(91)
integer colorder(N)
integer nerrtot(N),nerrdec(N),nmpcbad(K)
logical checksumok
real*8, allocatable :: rxdata(:)
real, allocatable :: llr(:)
data colorder/ &
0, 1, 2, 3, 28, 4, 5, 6, 7, 8, 9, 10, 11, 34, 12, 32, 13, 14, 15, 16,&
17, 18, 36, 29, 40, 19, 20, 38, 21, 41, 30, 42, 22, 44, 37, 47, 48, 23, 33, 43,&
49, 45, 56, 39, 25, 26, 46, 50, 51, 52, 24, 57, 58, 61, 31, 54, 64, 35, 27, 62,&
59, 53, 60, 63, 55, 70, 66, 67, 68, 65, 71, 74, 72, 73, 77, 75, 69, 76, 79, 82,&
83, 78, 81, 80, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99,&
100,101,102,103,104,105,106,107,108,109,110,111,112,113,114,115,116,117,118,119,&
120,121,122,123,124,125,126,127,128,129,130,131,132,133,134,135,136,137,138,139,&
140,141,142,143,144,145,146,147,148,149,150,151,152,153,154,155,156,157,158,159,&
160,161,162,163,164,165,166,167,168,169,170,171,172,173/
include "ldpc_174_91_a_colorder.f90"
nerrtot=0
nerrdec=0
@ -50,9 +42,6 @@ read(arg,*) ntrials
call getarg(4,arg)
read(arg,*) s
! don't count crc bits as data bits
N=174
K=91
! scale Eb/No for a (174,91) code
rate=real(K)/real(N)
@ -126,11 +115,11 @@ allocate ( rxdata(N), llr(N) )
write(*,*) 'codeword'
write(*,'(22(8i1,1x))') codeword
write(*,*) "Es/N0 SNR2500 ngood nundetected nbadcrc sigma"
write(*,*) "Eb/N0 SNR2500 ngood nundetected nbadcrc sigma"
do idb = 20,-10,-1
!do idb = 0,0,-1
db=idb/2.0-1.0
sigma=1/sqrt( 2*(10**(db/10.0)) )
sigma=1/sqrt( 2*rate*(10**(db/10.0)) )
ngood=0
nue=0
nbadcrc=0
@ -195,7 +184,7 @@ do idb = 20,-10,-1
baud=12000/1920
snr2500=db+10.0*log10((baud/2500.0))
pberr=real(nberr)/(real(ntrials*N))
write(*,"(f4.1,4x,f5.1,1x,i8,1x,i8,1x,i8,8x,f5.2,8x,e10.3)") db,snr2500,ngood,nue,nbadcrc,ss,pberr
write(*,"(f4.1,4x,f5.1,1x,i8,1x,i8,1x,i8,8x,f5.2,8x,e10.3)") db,SNR2500,ngood,nue,nbadcrc,ss,pberr
enddo

8
lib/fsk4hf/osd174_91.f90
View File

@ -2,18 +2,22 @@ subroutine osd174_91(llr,apmask,ndeep,decoded,cw,nhardmin,dmin)
!
! An ordered-statistics decoder for the (174,91) code.
!
include "ldpc_174_91_a_params.f90"
integer, parameter:: N=174, K=91, M=N-K
integer*1 apmask(N),apmaskr(N)
integer*1 gen(K,N)
integer*1 genmrb(K,N),g2(N,K)
integer*1 temp(K),m0(K),me(K),mi(K),misub(K),e2sub(N-K),e2(N-K),ui(N-K)
integer*1 r2pat(N-K)
integer colorder(N)
integer indices(N),nxor(N)
integer*1 cw(N),ce(N),c0(N),hdec(N)
integer*1 decoded(K)
integer indx(N)
real llr(N),rx(N),absrx(N)
include "ldpc_174_91_a_generator.f90"
include "ldpc_174_91_a_colorder.f90"
logical first,reset
data first/.true./
save first,gen

5
lib/ft8/ldpcsim174.f90
View File

@ -129,11 +129,11 @@ allocate ( rxdata(N), llr(N) )
write(*,*) 'codeword'
write(*,'(22(8i1,1x))') codeword
write(*,*) "Es/N0 SNR2500 ngood nundetected nbadcrc sigma"
write(*,*) "Eb/N0 SNR2500 ngood nundetected nbadcrc sigma"
do idb = 20,-10,-1
!do idb = -3,-3,-1
db=idb/2.0-1.0
sigma=1/sqrt( 2*(10**(db/10.0)) )
sigma=1/sqrt( 2*rate*(10**(db/10.0)) )
ngood=0
nue=0
nbadcrc=0
@ -163,7 +163,6 @@ do idb = 20,-10,-1
if(nerr.ge.1) nerrtot(nerr)=nerrtot(nerr)+1
nberr=nberr+nerr
! Correct signal normalization is important for this decoder.
rxav=sum(rxdata)/N
rx2av=sum(rxdata*rxdata)/N
rxsig=sqrt(rx2av-rxav*rxav)