From 89e36c0e646a9e73728ee65cc6ac32f01d388885 Mon Sep 17 00:00:00 2001 From: Andreas Eversberg Date: Sun, 24 Feb 2013 10:12:09 +0100 Subject: TRX: Cleanup of channel transcoding --- src/osmo-bts-trx/gsm0503_conv.c | 83 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 83 insertions(+) create mode 100644 src/osmo-bts-trx/gsm0503_conv.c (limited to 'src/osmo-bts-trx/gsm0503_conv.c') diff --git a/src/osmo-bts-trx/gsm0503_conv.c b/src/osmo-bts-trx/gsm0503_conv.c new file mode 100644 index 00000000..79667715 --- /dev/null +++ b/src/osmo-bts-trx/gsm0503_conv.c @@ -0,0 +1,83 @@ + +#include + +#include + +#include "gsm0503_conv.h" + +/* + * GSM convolutional coding + * + * G_0 = 1 + x^3 + x^4 + * G_1 = 1 + x + x^3 + x^4 + */ + +static const uint8_t conv_xcch_next_output[][2] = { + { 0, 3 }, { 1, 2 }, { 0, 3 }, { 1, 2 }, + { 3, 0 }, { 2, 1 }, { 3, 0 }, { 2, 1 }, + { 3, 0 }, { 2, 1 }, { 3, 0 }, { 2, 1 }, + { 0, 3 }, { 1, 2 }, { 0, 3 }, { 1, 2 }, +}; + +static const uint8_t conv_xcch_next_state[][2] = { + { 0, 1 }, { 2, 3 }, { 4, 5 }, { 6, 7 }, + { 8, 9 }, { 10, 11 }, { 12, 13 }, { 14, 15 }, + { 0, 1 }, { 2, 3 }, { 4, 5 }, { 6, 7 }, + { 8, 9 }, { 10, 11 }, { 12, 13 }, { 14, 15 }, +}; + + +const struct osmo_conv_code gsm0503_conv_xcch = { + .N = 2, + .K = 5, + .len = 224, + .next_output = conv_xcch_next_output, + .next_state = conv_xcch_next_state, +}; + + +const struct osmo_conv_code gsm0503_conv_cs2 = { + .N = 2, + .K = 5, + .len = 290, + .next_output = conv_xcch_next_output, + .next_state = conv_xcch_next_state, +}; + + +const struct osmo_conv_code gsm0503_conv_cs3 = { + .N = 2, + .K = 5, + .len = 334, + .next_output = conv_xcch_next_output, + .next_state = conv_xcch_next_state, +}; + + +const struct osmo_conv_code gsm0503_conv_rach = { + .N = 2, + .K = 5, + .len = 14, + .next_output = conv_xcch_next_output, + .next_state = conv_xcch_next_state, +}; + + +const struct osmo_conv_code gsm0503_conv_sch = { + .N = 2, + .K = 5, + .len = 35, + .next_output = conv_xcch_next_output, + .next_state = conv_xcch_next_state, +}; + + +const struct osmo_conv_code gsm0503_conv_tch_fr = { + .N = 2, + .K = 5, + .len = 185, + .next_output = conv_xcch_next_output, + .next_state = conv_xcch_next_state, +}; + + -- cgit v1.2.3 From 84b9a445351937703334629f3fec02689153f986 Mon Sep 17 00:00:00 2001 From: Andreas Eversberg Date: Thu, 14 Mar 2013 07:56:05 +0100 Subject: TRX: Code cleanup, prepare for other codecs than GSM full rate --- src/osmo-bts-trx/gsm0503_conv.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'src/osmo-bts-trx/gsm0503_conv.c') diff --git a/src/osmo-bts-trx/gsm0503_conv.c b/src/osmo-bts-trx/gsm0503_conv.c index 79667715..f9fcaa82 100644 --- a/src/osmo-bts-trx/gsm0503_conv.c +++ b/src/osmo-bts-trx/gsm0503_conv.c @@ -61,7 +61,7 @@ const struct osmo_conv_code gsm0503_conv_rach = { .next_output = conv_xcch_next_output, .next_state = conv_xcch_next_state, }; - + const struct osmo_conv_code gsm0503_conv_sch = { .N = 2, @@ -70,7 +70,7 @@ const struct osmo_conv_code gsm0503_conv_sch = { .next_output = conv_xcch_next_output, .next_state = conv_xcch_next_state, }; - + const struct osmo_conv_code gsm0503_conv_tch_fr = { .N = 2, -- cgit v1.2.3 From a7f5e077121f857e373b6e68c5fdf803933a12dc Mon Sep 17 00:00:00 2001 From: Andreas Eversberg Date: Tue, 26 Mar 2013 09:05:14 +0100 Subject: TRX: Support for AMR full speech --- src/osmo-bts-trx/gsm0503_conv.c | 484 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 484 insertions(+) (limited to 'src/osmo-bts-trx/gsm0503_conv.c') diff --git a/src/osmo-bts-trx/gsm0503_conv.c b/src/osmo-bts-trx/gsm0503_conv.c index f9fcaa82..4b95f72c 100644 --- a/src/osmo-bts-trx/gsm0503_conv.c +++ b/src/osmo-bts-trx/gsm0503_conv.c @@ -81,3 +81,487 @@ const struct osmo_conv_code gsm0503_conv_tch_fr = { }; +/* TCH/AFS12.2 */ +/* ----------- */ + +static const uint8_t conv_tch_afs_12_2_next_output[][2] = { + { 0, 3 }, { 1, 2 }, { 0, 3 }, { 1, 2 }, + { 0, 3 }, { 1, 2 }, { 0, 3 }, { 1, 2 }, + { 0, 3 }, { 1, 2 }, { 0, 3 }, { 1, 2 }, + { 0, 3 }, { 1, 2 }, { 0, 3 }, { 1, 2 }, +}; + +static const uint8_t conv_tch_afs_12_2_next_state[][2] = { + { 0, 1 }, { 2, 3 }, { 4, 5 }, { 6, 7 }, + { 9, 8 }, { 11, 10 }, { 13, 12 }, { 15, 14 }, + { 1, 0 }, { 3, 2 }, { 5, 4 }, { 7, 6 }, + { 8, 9 }, { 10, 11 }, { 12, 13 }, { 14, 15 }, +}; + +static const uint8_t conv_tch_afs_12_2_next_term_output[] = { + 0, 1, 0, 1, 3, 2, 3, 2, 3, 2, 3, 2, 0, 1, 0, 1, +}; + +static const uint8_t conv_tch_afs_12_2_next_term_state[] = { + 0, 2, 4, 6, 8, 10, 12, 14, 0, 2, 4, 6, 8, 10, 12, 14, +}; + +static int conv_tch_afs_12_2_puncture[] = { + 321, 325, 329, 333, 337, 341, 345, 349, 353, 357, 361, 363, + 365, 369, 373, 377, 379, 381, 385, 389, 393, 395, 397, 401, + 405, 409, 411, 413, 417, 421, 425, 427, 429, 433, 437, 441, + 443, 445, 449, 453, 457, 459, 461, 465, 469, 473, 475, 477, + 481, 485, 489, 491, 493, 495, 497, 499, 501, 503, 505, 507, + -1, /* end */ +}; + +const struct osmo_conv_code gsm0503_conv_tch_afs_12_2 = { + .N = 2, + .K = 5, + .len = 250, + .next_output = conv_tch_afs_12_2_next_output, + .next_state = conv_tch_afs_12_2_next_state, + .next_term_output = conv_tch_afs_12_2_next_term_output, + .next_term_state = conv_tch_afs_12_2_next_term_state, + .puncture = conv_tch_afs_12_2_puncture, +}; + + +/* TCH/AFS10.2 */ +/* ----------- */ + +static const uint8_t conv_tch_afs_10_2_next_output[][2] = { + { 0, 7 }, { 2, 5 }, { 4, 3 }, { 6, 1 }, + { 2, 5 }, { 0, 7 }, { 6, 1 }, { 4, 3 }, + { 0, 7 }, { 2, 5 }, { 4, 3 }, { 6, 1 }, + { 2, 5 }, { 0, 7 }, { 6, 1 }, { 4, 3 }, +}; + +static const uint8_t conv_tch_afs_10_2_next_state[][2] = { + { 0, 1 }, { 3, 2 }, { 5, 4 }, { 6, 7 }, + { 9, 8 }, { 10, 11 }, { 12, 13 }, { 15, 14 }, + { 1, 0 }, { 2, 3 }, { 4, 5 }, { 7, 6 }, + { 8, 9 }, { 11, 10 }, { 13, 12 }, { 14, 15 }, +}; + +static const uint8_t conv_tch_afs_10_2_next_term_output[] = { + 0, 5, 3, 6, 5, 0, 6, 3, 7, 2, 4, 1, 2, 7, 1, 4, +}; + +static const uint8_t conv_tch_afs_10_2_next_term_state[] = { + 0, 2, 4, 6, 8, 10, 12, 14, 0, 2, 4, 6, 8, 10, 12, 14, +}; + +static int conv_tch_afs_10_2_puncture[] = { + 1, 4, 7, 10, 16, 19, 22, 28, 31, 34, 40, 43, + 46, 52, 55, 58, 64, 67, 70, 76, 79, 82, 88, 91, + 94, 100, 103, 106, 112, 115, 118, 124, 127, 130, 136, 139, + 142, 148, 151, 154, 160, 163, 166, 172, 175, 178, 184, 187, + 190, 196, 199, 202, 208, 211, 214, 220, 223, 226, 232, 235, + 238, 244, 247, 250, 256, 259, 262, 268, 271, 274, 280, 283, + 286, 292, 295, 298, 304, 307, 310, 316, 319, 322, 325, 328, + 331, 334, 337, 340, 343, 346, 349, 352, 355, 358, 361, 364, + 367, 370, 373, 376, 379, 382, 385, 388, 391, 394, 397, 400, + 403, 406, 409, 412, 415, 418, 421, 424, 427, 430, 433, 436, + 439, 442, 445, 448, 451, 454, 457, 460, 463, 466, 469, 472, + 475, 478, 481, 484, 487, 490, 493, 496, 499, 502, 505, 508, + 511, 514, 517, 520, 523, 526, 529, 532, 535, 538, 541, 544, + 547, 550, 553, 556, 559, 562, 565, 568, 571, 574, 577, 580, + 583, 586, 589, 592, 595, 598, 601, 604, 607, 609, 610, 613, + 616, 619, 621, 622, 625, 627, 628, 631, 633, 634, 636, 637, + 639, 640, + -1, /* end */ +}; + +const struct osmo_conv_code gsm0503_conv_tch_afs_10_2 = { + .N = 3, + .K = 5, + .len = 210, + .next_output = conv_tch_afs_10_2_next_output, + .next_state = conv_tch_afs_10_2_next_state, + .next_term_output = conv_tch_afs_10_2_next_term_output, + .next_term_state = conv_tch_afs_10_2_next_term_state, + .puncture = conv_tch_afs_10_2_puncture, +}; + + +/* TCH/AFS7.95 */ +/* ----------- */ + +static const uint8_t conv_tch_afs_7_95_next_output[][2] = { + { 0, 7 }, { 3, 4 }, { 2, 5 }, { 1, 6 }, + { 2, 5 }, { 1, 6 }, { 0, 7 }, { 3, 4 }, + { 3, 4 }, { 0, 7 }, { 1, 6 }, { 2, 5 }, + { 1, 6 }, { 2, 5 }, { 3, 4 }, { 0, 7 }, + { 3, 4 }, { 0, 7 }, { 1, 6 }, { 2, 5 }, + { 1, 6 }, { 2, 5 }, { 3, 4 }, { 0, 7 }, + { 0, 7 }, { 3, 4 }, { 2, 5 }, { 1, 6 }, + { 2, 5 }, { 1, 6 }, { 0, 7 }, { 3, 4 }, + { 0, 7 }, { 3, 4 }, { 2, 5 }, { 1, 6 }, + { 2, 5 }, { 1, 6 }, { 0, 7 }, { 3, 4 }, + { 3, 4 }, { 0, 7 }, { 1, 6 }, { 2, 5 }, + { 1, 6 }, { 2, 5 }, { 3, 4 }, { 0, 7 }, + { 3, 4 }, { 0, 7 }, { 1, 6 }, { 2, 5 }, + { 1, 6 }, { 2, 5 }, { 3, 4 }, { 0, 7 }, + { 0, 7 }, { 3, 4 }, { 2, 5 }, { 1, 6 }, + { 2, 5 }, { 1, 6 }, { 0, 7 }, { 3, 4 }, +}; + +static const uint8_t conv_tch_afs_7_95_next_state[][2] = { + { 0, 1 }, { 2, 3 }, { 5, 4 }, { 7, 6 }, + { 9, 8 }, { 11, 10 }, { 12, 13 }, { 14, 15 }, + { 16, 17 }, { 18, 19 }, { 21, 20 }, { 23, 22 }, + { 25, 24 }, { 27, 26 }, { 28, 29 }, { 30, 31 }, + { 33, 32 }, { 35, 34 }, { 36, 37 }, { 38, 39 }, + { 40, 41 }, { 42, 43 }, { 45, 44 }, { 47, 46 }, + { 49, 48 }, { 51, 50 }, { 52, 53 }, { 54, 55 }, + { 56, 57 }, { 58, 59 }, { 61, 60 }, { 63, 62 }, + { 1, 0 }, { 3, 2 }, { 4, 5 }, { 6, 7 }, + { 8, 9 }, { 10, 11 }, { 13, 12 }, { 15, 14 }, + { 17, 16 }, { 19, 18 }, { 20, 21 }, { 22, 23 }, + { 24, 25 }, { 26, 27 }, { 29, 28 }, { 31, 30 }, + { 32, 33 }, { 34, 35 }, { 37, 36 }, { 39, 38 }, + { 41, 40 }, { 43, 42 }, { 44, 45 }, { 46, 47 }, + { 48, 49 }, { 50, 51 }, { 53, 52 }, { 55, 54 }, + { 57, 56 }, { 59, 58 }, { 60, 61 }, { 62, 63 }, +}; + +static const uint8_t conv_tch_afs_7_95_next_term_output[] = { + 0, 3, 5, 6, 5, 6, 0, 3, 3, 0, 6, 5, 6, 5, 3, 0, + 4, 7, 1, 2, 1, 2, 4, 7, 7, 4, 2, 1, 2, 1, 7, 4, + 7, 4, 2, 1, 2, 1, 7, 4, 4, 7, 1, 2, 1, 2, 4, 7, + 3, 0, 6, 5, 6, 5, 3, 0, 0, 3, 5, 6, 5, 6, 0, 3, +}; + +static const uint8_t conv_tch_afs_7_95_next_term_state[] = { + 0, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, + 32, 34, 36, 38, 40, 42, 44, 46, 48, 50, 52, 54, 56, 58, 60, 62, + 0, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, + 32, 34, 36, 38, 40, 42, 44, 46, 48, 50, 52, 54, 56, 58, 60, 62, +}; + +static int conv_tch_afs_7_95_puncture[] = { + 1, 2, 4, 5, 8, 22, 70, 118, 166, 214, 262, 310, + 317, 319, 325, 332, 334, 341, 343, 349, 356, 358, 365, 367, + 373, 380, 382, 385, 389, 391, 397, 404, 406, 409, 413, 415, + 421, 428, 430, 433, 437, 439, 445, 452, 454, 457, 461, 463, + 469, 476, 478, 481, 485, 487, 490, 493, 500, 502, 503, 505, + 506, 508, 509, 511, 512, + -1, /* end */ +}; + +const struct osmo_conv_code gsm0503_conv_tch_afs_7_95 = { + .N = 3, + .K = 7, + .len = 165, + .next_output = conv_tch_afs_7_95_next_output, + .next_state = conv_tch_afs_7_95_next_state, + .next_term_output = conv_tch_afs_7_95_next_term_output, + .next_term_state = conv_tch_afs_7_95_next_term_state, + .puncture = conv_tch_afs_7_95_puncture, +}; + + +/* TCH/AFS7.4 */ +/* ---------- */ + +static const uint8_t conv_tch_afs_7_4_next_output[][2] = { + { 0, 7 }, { 2, 5 }, { 4, 3 }, { 6, 1 }, + { 2, 5 }, { 0, 7 }, { 6, 1 }, { 4, 3 }, + { 0, 7 }, { 2, 5 }, { 4, 3 }, { 6, 1 }, + { 2, 5 }, { 0, 7 }, { 6, 1 }, { 4, 3 }, +}; + +static const uint8_t conv_tch_afs_7_4_next_state[][2] = { + { 0, 1 }, { 3, 2 }, { 5, 4 }, { 6, 7 }, + { 9, 8 }, { 10, 11 }, { 12, 13 }, { 15, 14 }, + { 1, 0 }, { 2, 3 }, { 4, 5 }, { 7, 6 }, + { 8, 9 }, { 11, 10 }, { 13, 12 }, { 14, 15 }, +}; + +static const uint8_t conv_tch_afs_7_4_next_term_output[] = { + 0, 5, 3, 6, 5, 0, 6, 3, 7, 2, 4, 1, 2, 7, 1, 4, +}; + +static const uint8_t conv_tch_afs_7_4_next_term_state[] = { + 0, 2, 4, 6, 8, 10, 12, 14, 0, 2, 4, 6, 8, 10, 12, 14, +}; + +static int conv_tch_afs_7_4_puncture[] = { + 0, 355, 361, 367, 373, 379, 385, 391, 397, 403, 409, 415, + 421, 427, 433, 439, 445, 451, 457, 460, 463, 466, 468, 469, + 471, 472, + -1, /* end */ +}; + +const struct osmo_conv_code gsm0503_conv_tch_afs_7_4 = { + .N = 3, + .K = 5, + .len = 154, + .next_output = conv_tch_afs_7_4_next_output, + .next_state = conv_tch_afs_7_4_next_state, + .next_term_output = conv_tch_afs_7_4_next_term_output, + .next_term_state = conv_tch_afs_7_4_next_term_state, + .puncture = conv_tch_afs_7_4_puncture, +}; + + +/* TCH/AFS6.7 */ +/* ---------- */ + +static const uint8_t conv_tch_afs_6_7_next_output[][2] = { + { 0, 15 }, { 4, 11 }, { 8, 7 }, { 12, 3 }, + { 4, 11 }, { 0, 15 }, { 12, 3 }, { 8, 7 }, + { 0, 15 }, { 4, 11 }, { 8, 7 }, { 12, 3 }, + { 4, 11 }, { 0, 15 }, { 12, 3 }, { 8, 7 }, +}; + +static const uint8_t conv_tch_afs_6_7_next_state[][2] = { + { 0, 1 }, { 3, 2 }, { 5, 4 }, { 6, 7 }, + { 9, 8 }, { 10, 11 }, { 12, 13 }, { 15, 14 }, + { 1, 0 }, { 2, 3 }, { 4, 5 }, { 7, 6 }, + { 8, 9 }, { 11, 10 }, { 13, 12 }, { 14, 15 }, +}; + +static int conv_tch_afs_6_7_puncture[] = { + 1, 3, 7, 11, 15, 27, 39, 55, 67, 79, 95, 107, + 119, 135, 147, 159, 175, 187, 199, 215, 227, 239, 255, 267, + 279, 287, 291, 295, 299, 303, 307, 311, 315, 319, 323, 327, + 331, 335, 339, 343, 347, 351, 355, 359, 363, 367, 369, 371, + 375, 377, 379, 383, 385, 387, 391, 393, 395, 399, 401, 403, + 407, 409, 411, 415, 417, 419, 423, 425, 427, 431, 433, 435, + 439, 441, 443, 447, 449, 451, 455, 457, 459, 463, 465, 467, + 471, 473, 475, 479, 481, 483, 487, 489, 491, 495, 497, 499, + 503, 505, 507, 511, 513, 515, 519, 521, 523, 527, 529, 531, + 535, 537, 539, 543, 545, 547, 549, 551, 553, 555, 557, 559, + 561, 563, 565, 567, 569, 571, 573, 575, + -1, /* end */ +}; + +static const uint8_t conv_tch_afs_6_7_next_term_output[] = { + 0, 11, 7, 12, 11, 0, 12, 7, 15, 4, 8, 3, 4, 15, 3, 8, +}; + +static const uint8_t conv_tch_afs_6_7_next_term_state[] = { + 0, 2, 4, 6, 8, 10, 12, 14, 0, 2, 4, 6, 8, 10, 12, 14, +}; + +const struct osmo_conv_code gsm0503_conv_tch_afs_6_7 = { + .N = 4, + .K = 5, + .len = 140, + .next_output = conv_tch_afs_6_7_next_output, + .next_state = conv_tch_afs_6_7_next_state, + .next_term_output = conv_tch_afs_6_7_next_term_output, + .next_term_state = conv_tch_afs_6_7_next_term_state, + .puncture = conv_tch_afs_6_7_puncture, +}; + + +/* TCH/AFS5.9 */ +/* ---------- */ + +static const uint8_t conv_tch_afs_5_9_next_output[][2] = { + { 0, 15 }, { 8, 7 }, { 4, 11 }, { 12, 3 }, + { 4, 11 }, { 12, 3 }, { 0, 15 }, { 8, 7 }, + { 8, 7 }, { 0, 15 }, { 12, 3 }, { 4, 11 }, + { 12, 3 }, { 4, 11 }, { 8, 7 }, { 0, 15 }, + { 8, 7 }, { 0, 15 }, { 12, 3 }, { 4, 11 }, + { 12, 3 }, { 4, 11 }, { 8, 7 }, { 0, 15 }, + { 0, 15 }, { 8, 7 }, { 4, 11 }, { 12, 3 }, + { 4, 11 }, { 12, 3 }, { 0, 15 }, { 8, 7 }, + { 0, 15 }, { 8, 7 }, { 4, 11 }, { 12, 3 }, + { 4, 11 }, { 12, 3 }, { 0, 15 }, { 8, 7 }, + { 8, 7 }, { 0, 15 }, { 12, 3 }, { 4, 11 }, + { 12, 3 }, { 4, 11 }, { 8, 7 }, { 0, 15 }, + { 8, 7 }, { 0, 15 }, { 12, 3 }, { 4, 11 }, + { 12, 3 }, { 4, 11 }, { 8, 7 }, { 0, 15 }, + { 0, 15 }, { 8, 7 }, { 4, 11 }, { 12, 3 }, + { 4, 11 }, { 12, 3 }, { 0, 15 }, { 8, 7 }, +}; + +static const uint8_t conv_tch_afs_5_9_next_state[][2] = { + { 0, 1 }, { 3, 2 }, { 5, 4 }, { 6, 7 }, + { 9, 8 }, { 10, 11 }, { 12, 13 }, { 15, 14 }, + { 17, 16 }, { 18, 19 }, { 20, 21 }, { 23, 22 }, + { 24, 25 }, { 27, 26 }, { 29, 28 }, { 30, 31 }, + { 32, 33 }, { 35, 34 }, { 37, 36 }, { 38, 39 }, + { 41, 40 }, { 42, 43 }, { 44, 45 }, { 47, 46 }, + { 49, 48 }, { 50, 51 }, { 52, 53 }, { 55, 54 }, + { 56, 57 }, { 59, 58 }, { 61, 60 }, { 62, 63 }, + { 1, 0 }, { 2, 3 }, { 4, 5 }, { 7, 6 }, + { 8, 9 }, { 11, 10 }, { 13, 12 }, { 14, 15 }, + { 16, 17 }, { 19, 18 }, { 21, 20 }, { 22, 23 }, + { 25, 24 }, { 26, 27 }, { 28, 29 }, { 31, 30 }, + { 33, 32 }, { 34, 35 }, { 36, 37 }, { 39, 38 }, + { 40, 41 }, { 43, 42 }, { 45, 44 }, { 46, 47 }, + { 48, 49 }, { 51, 50 }, { 53, 52 }, { 54, 55 }, + { 57, 56 }, { 58, 59 }, { 60, 61 }, { 63, 62 }, +}; + +static const uint8_t conv_tch_afs_5_9_next_term_output[] = { + 0, 7, 11, 12, 11, 12, 0, 7, 7, 0, 12, 11, 12, 11, 7, 0, + 8, 15, 3, 4, 3, 4, 8, 15, 15, 8, 4, 3, 4, 3, 15, 8, + 15, 8, 4, 3, 4, 3, 15, 8, 8, 15, 3, 4, 3, 4, 8, 15, + 7, 0, 12, 11, 12, 11, 7, 0, 0, 7, 11, 12, 11, 12, 0, 7, +}; + +static const uint8_t conv_tch_afs_5_9_next_term_state[] = { + 0, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, + 32, 34, 36, 38, 40, 42, 44, 46, 48, 50, 52, 54, 56, 58, 60, 62, + 0, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, + 32, 34, 36, 38, 40, 42, 44, 46, 48, 50, 52, 54, 56, 58, 60, 62, +}; + +static int conv_tch_afs_5_9_puncture[] = { + 0, 1, 3, 5, 7, 11, 15, 31, 47, 63, 79, 95, + 111, 127, 143, 159, 175, 191, 207, 223, 239, 255, 271, 287, + 303, 319, 327, 331, 335, 343, 347, 351, 359, 363, 367, 375, + 379, 383, 391, 395, 399, 407, 411, 415, 423, 427, 431, 439, + 443, 447, 455, 459, 463, 467, 471, 475, 479, 483, 487, 491, + 495, 499, 503, 507, 509, 511, 512, 513, 515, 516, 517, 519, + -1, /* end */ +}; + +const struct osmo_conv_code gsm0503_conv_tch_afs_5_9 = { + .N = 4, + .K = 7, + .len = 124, + .next_output = conv_tch_afs_5_9_next_output, + .next_state = conv_tch_afs_5_9_next_state, + .next_term_output = conv_tch_afs_5_9_next_term_output, + .next_term_state = conv_tch_afs_5_9_next_term_state, + .puncture = conv_tch_afs_5_9_puncture, +}; + + +/* TCH/AFS5.15 */ +/* ----------- */ + +static const uint8_t conv_tch_afs_5_15_next_output[][2] = { + { 0, 31 }, { 4, 27 }, { 24, 7 }, { 28, 3 }, + { 4, 27 }, { 0, 31 }, { 28, 3 }, { 24, 7 }, + { 0, 31 }, { 4, 27 }, { 24, 7 }, { 28, 3 }, + { 4, 27 }, { 0, 31 }, { 28, 3 }, { 24, 7 }, +}; + +static const uint8_t conv_tch_afs_5_15_next_state[][2] = { + { 0, 1 }, { 3, 2 }, { 5, 4 }, { 6, 7 }, + { 9, 8 }, { 10, 11 }, { 12, 13 }, { 15, 14 }, + { 1, 0 }, { 2, 3 }, { 4, 5 }, { 7, 6 }, + { 8, 9 }, { 11, 10 }, { 13, 12 }, { 14, 15 }, +}; + +static const uint8_t conv_tch_afs_5_15_next_term_output[] = { + 0, 27, 7, 28, 27, 0, 28, 7, 31, 4, 24, 3, 4, 31, 3, 24, +}; + +static const uint8_t conv_tch_afs_5_15_next_term_state[] = { + 0, 2, 4, 6, 8, 10, 12, 14, 0, 2, 4, 6, 8, 10, 12, 14, +}; + +static int conv_tch_afs_5_15_puncture[] = { + 0, 4, 5, 9, 10, 14, 15, 20, 25, 30, 35, 40, + 50, 60, 70, 80, 90, 100, 110, 120, 130, 140, 150, 160, + 170, 180, 190, 200, 210, 220, 230, 240, 250, 260, 270, 280, + 290, 300, 310, 315, 320, 325, 330, 334, 335, 340, 344, 345, + 350, 354, 355, 360, 364, 365, 370, 374, 375, 380, 384, 385, + 390, 394, 395, 400, 404, 405, 410, 414, 415, 420, 424, 425, + 430, 434, 435, 440, 444, 445, 450, 454, 455, 460, 464, 465, + 470, 474, 475, 480, 484, 485, 490, 494, 495, 500, 504, 505, + 510, 514, 515, 520, 524, 525, 529, 530, 534, 535, 539, 540, + 544, 545, 549, 550, 554, 555, 559, 560, 564, + -1, /* end */ +}; + +const struct osmo_conv_code gsm0503_conv_tch_afs_5_15 = { + .N = 5, + .K = 5, + .len = 109, + .next_output = conv_tch_afs_5_15_next_output, + .next_state = conv_tch_afs_5_15_next_state, + .next_term_output = conv_tch_afs_5_15_next_term_output, + .next_term_state = conv_tch_afs_5_15_next_term_state, + .puncture = conv_tch_afs_5_15_puncture, +}; + + +/* TCH/AFS4.75 */ +/* ----------- */ + +static const uint8_t conv_tch_afs_4_75_next_output[][2] = { + { 0, 31 }, { 24, 7 }, { 4, 27 }, { 28, 3 }, + { 4, 27 }, { 28, 3 }, { 0, 31 }, { 24, 7 }, + { 24, 7 }, { 0, 31 }, { 28, 3 }, { 4, 27 }, + { 28, 3 }, { 4, 27 }, { 24, 7 }, { 0, 31 }, + { 24, 7 }, { 0, 31 }, { 28, 3 }, { 4, 27 }, + { 28, 3 }, { 4, 27 }, { 24, 7 }, { 0, 31 }, + { 0, 31 }, { 24, 7 }, { 4, 27 }, { 28, 3 }, + { 4, 27 }, { 28, 3 }, { 0, 31 }, { 24, 7 }, + { 0, 31 }, { 24, 7 }, { 4, 27 }, { 28, 3 }, + { 4, 27 }, { 28, 3 }, { 0, 31 }, { 24, 7 }, + { 24, 7 }, { 0, 31 }, { 28, 3 }, { 4, 27 }, + { 28, 3 }, { 4, 27 }, { 24, 7 }, { 0, 31 }, + { 24, 7 }, { 0, 31 }, { 28, 3 }, { 4, 27 }, + { 28, 3 }, { 4, 27 }, { 24, 7 }, { 0, 31 }, + { 0, 31 }, { 24, 7 }, { 4, 27 }, { 28, 3 }, + { 4, 27 }, { 28, 3 }, { 0, 31 }, { 24, 7 }, +}; + +static const uint8_t conv_tch_afs_4_75_next_state[][2] = { + { 0, 1 }, { 3, 2 }, { 5, 4 }, { 6, 7 }, + { 9, 8 }, { 10, 11 }, { 12, 13 }, { 15, 14 }, + { 17, 16 }, { 18, 19 }, { 20, 21 }, { 23, 22 }, + { 24, 25 }, { 27, 26 }, { 29, 28 }, { 30, 31 }, + { 32, 33 }, { 35, 34 }, { 37, 36 }, { 38, 39 }, + { 41, 40 }, { 42, 43 }, { 44, 45 }, { 47, 46 }, + { 49, 48 }, { 50, 51 }, { 52, 53 }, { 55, 54 }, + { 56, 57 }, { 59, 58 }, { 61, 60 }, { 62, 63 }, + { 1, 0 }, { 2, 3 }, { 4, 5 }, { 7, 6 }, + { 8, 9 }, { 11, 10 }, { 13, 12 }, { 14, 15 }, + { 16, 17 }, { 19, 18 }, { 21, 20 }, { 22, 23 }, + { 25, 24 }, { 26, 27 }, { 28, 29 }, { 31, 30 }, + { 33, 32 }, { 34, 35 }, { 36, 37 }, { 39, 38 }, + { 40, 41 }, { 43, 42 }, { 45, 44 }, { 46, 47 }, + { 48, 49 }, { 51, 50 }, { 53, 52 }, { 54, 55 }, + { 57, 56 }, { 58, 59 }, { 60, 61 }, { 63, 62 }, +}; + +static const uint8_t conv_tch_afs_4_75_next_term_output[] = { + 0, 7, 27, 28, 27, 28, 0, 7, 7, 0, 28, 27, 28, 27, 7, 0, + 24, 31, 3, 4, 3, 4, 24, 31, 31, 24, 4, 3, 4, 3, 31, 24, + 31, 24, 4, 3, 4, 3, 31, 24, 24, 31, 3, 4, 3, 4, 24, 31, + 7, 0, 28, 27, 28, 27, 7, 0, 0, 7, 27, 28, 27, 28, 0, 7, +}; + +static const uint8_t conv_tch_afs_4_75_next_term_state[] = { + 0, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, + 32, 34, 36, 38, 40, 42, 44, 46, 48, 50, 52, 54, 56, 58, 60, 62, + 0, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, + 32, 34, 36, 38, 40, 42, 44, 46, 48, 50, 52, 54, 56, 58, 60, 62, +}; + +static int conv_tch_afs_4_75_puncture[] = { + 0, 1, 2, 4, 5, 7, 9, 15, 25, 35, 45, 55, + 65, 75, 85, 95, 105, 115, 125, 135, 145, 155, 165, 175, + 185, 195, 205, 215, 225, 235, 245, 255, 265, 275, 285, 295, + 305, 315, 325, 335, 345, 355, 365, 375, 385, 395, 400, 405, + 410, 415, 420, 425, 430, 435, 440, 445, 450, 455, 459, 460, + 465, 470, 475, 479, 480, 485, 490, 495, 499, 500, 505, 509, + 510, 515, 517, 519, 520, 522, 524, 525, 526, 527, 529, 530, + 531, 532, 534, + -1, /* end */ +}; + +const struct osmo_conv_code gsm0503_conv_tch_afs_4_75 = { + .N = 5, + .K = 7, + .len = 101, + .next_output = conv_tch_afs_4_75_next_output, + .next_state = conv_tch_afs_4_75_next_state, + .next_term_output = conv_tch_afs_4_75_next_term_output, + .next_term_state = conv_tch_afs_4_75_next_term_state, + .puncture = conv_tch_afs_4_75_puncture, +}; + + -- cgit v1.2.3 From c910a332b261d48fa594f1a3133987c8f650dcb1 Mon Sep 17 00:00:00 2001 From: Andreas Eversberg Date: Sun, 31 Mar 2013 12:17:02 +0200 Subject: TRX: Support for TCH/H and GSM half rate transcoding --- src/osmo-bts-trx/gsm0503_conv.c | 74 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 74 insertions(+) (limited to 'src/osmo-bts-trx/gsm0503_conv.c') diff --git a/src/osmo-bts-trx/gsm0503_conv.c b/src/osmo-bts-trx/gsm0503_conv.c index 4b95f72c..71738969 100644 --- a/src/osmo-bts-trx/gsm0503_conv.c +++ b/src/osmo-bts-trx/gsm0503_conv.c @@ -81,6 +81,80 @@ const struct osmo_conv_code gsm0503_conv_tch_fr = { }; +/* + * GSM HR convolutional coding + * + * G_0 = 1 + x^2 + x^3 + x^5 + x^6 + * G_1 = 1 + x + x^4 + x^6 + * G_3 = 1 + x + x^2 + x^3 + x^4 + x^6 + */ + +static const uint8_t conv_tch_hr_next_output[][2] = { + { 0, 7 }, { 3, 4 }, { 5, 2 }, { 6, 1 }, + { 5, 2 }, { 6, 1 }, { 0, 7 }, { 3, 4 }, + { 3, 4 }, { 0, 7 }, { 6, 1 }, { 5, 2 }, + { 6, 1 }, { 5, 2 }, { 3, 4 }, { 0, 7 }, + { 4, 3 }, { 7, 0 }, { 1, 6 }, { 2, 5 }, + { 1, 6 }, { 2, 5 }, { 4, 3 }, { 7, 0 }, + { 7, 0 }, { 4, 3 }, { 2, 5 }, { 1, 6 }, + { 2, 5 }, { 1, 6 }, { 7, 0 }, { 4, 3 }, + { 7, 0 }, { 4, 3 }, { 2, 5 }, { 1, 6 }, + { 2, 5 }, { 1, 6 }, { 7, 0 }, { 4, 3 }, + { 4, 3 }, { 7, 0 }, { 1, 6 }, { 2, 5 }, + { 1, 6 }, { 2, 5 }, { 4, 3 }, { 7, 0 }, + { 3, 4 }, { 0, 7 }, { 6, 1 }, { 5, 2 }, + { 6, 1 }, { 5, 2 }, { 3, 4 }, { 0, 7 }, + { 0, 7 }, { 3, 4 }, { 5, 2 }, { 6, 1 }, + { 5, 2 }, { 6, 1 }, { 0, 7 }, { 3, 4 }, +}; + +static const uint8_t conv_tch_hr_next_state[][2] = { + { 0, 1 }, { 2, 3 }, { 4, 5 }, { 6, 7 }, + { 8, 9 }, { 10, 11 }, { 12, 13 }, { 14, 15 }, + { 16, 17 }, { 18, 19 }, { 20, 21 }, { 22, 23 }, + { 24, 25 }, { 26, 27 }, { 28, 29 }, { 30, 31 }, + { 32, 33 }, { 34, 35 }, { 36, 37 }, { 38, 39 }, + { 40, 41 }, { 42, 43 }, { 44, 45 }, { 46, 47 }, + { 48, 49 }, { 50, 51 }, { 52, 53 }, { 54, 55 }, + { 56, 57 }, { 58, 59 }, { 60, 61 }, { 62, 63 }, + { 0, 1 }, { 2, 3 }, { 4, 5 }, { 6, 7 }, + { 8, 9 }, { 10, 11 }, { 12, 13 }, { 14, 15 }, + { 16, 17 }, { 18, 19 }, { 20, 21 }, { 22, 23 }, + { 24, 25 }, { 26, 27 }, { 28, 29 }, { 30, 31 }, + { 32, 33 }, { 34, 35 }, { 36, 37 }, { 38, 39 }, + { 40, 41 }, { 42, 43 }, { 44, 45 }, { 46, 47 }, + { 48, 49 }, { 50, 51 }, { 52, 53 }, { 54, 55 }, + { 56, 57 }, { 58, 59 }, { 60, 61 }, { 62, 63 }, +}; + +static const int conv_tch_hr_puncture[] = { + /* Class 1 bits */ + 1, 4, 7, 10, 13, 16, 19, 22, 25, 28, 31, 34, + 37, 40, 43, 46, 49, 52, 55, 58, 61, 64, 67, 70, + 73, 76, 79, 82, 85, 88, 91, 94, 97, 100, 103, 106, + 109, 112, 115, 118, 121, 124, 127, 130, 133, 136, 139, 142, + 145, 148, 151, 154, 157, 160, 163, 166, 169, 172, 175, 178, + 181, 184, 187, 190, 193, 196, 199, 202, 205, 208, 211, 214, + 217, 220, 223, 226, 229, 232, 235, 238, 241, 244, 247, 250, + 253, 256, 259, 262, 265, 268, 271, 274, 277, 280, 283, + + /* Tail bits */ + 295, 298, 301, 304, 307, 310, 313, + + /* End */ + -1, +}; + +const struct osmo_conv_code gsm0503_conv_tch_hr = { + .N = 3, + .K = 7, + .len = 98, + .next_output = conv_tch_hr_next_output, + .next_state = conv_tch_hr_next_state, + .puncture = conv_tch_hr_puncture, +}; + + /* TCH/AFS12.2 */ /* ----------- */ -- cgit v1.2.3 From c5241c3aa42d7ff89a369f2a816a98bdca932217 Mon Sep 17 00:00:00 2001 From: Andreas Eversberg Date: Sun, 31 Mar 2013 12:19:26 +0200 Subject: TRX: Support for AMR half speech --- src/osmo-bts-trx/gsm0503_conv.c | 309 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 309 insertions(+) (limited to 'src/osmo-bts-trx/gsm0503_conv.c') diff --git a/src/osmo-bts-trx/gsm0503_conv.c b/src/osmo-bts-trx/gsm0503_conv.c index 71738969..2a814ca3 100644 --- a/src/osmo-bts-trx/gsm0503_conv.c +++ b/src/osmo-bts-trx/gsm0503_conv.c @@ -639,3 +639,312 @@ const struct osmo_conv_code gsm0503_conv_tch_afs_4_75 = { }; +/* TCH/AHS7.95 */ +/* ----------- */ + +static const uint8_t conv_tch_ahs_7_95_next_output[][2] = { + { 0, 3 }, { 1, 2 }, { 0, 3 }, { 1, 2 }, + { 0, 3 }, { 1, 2 }, { 0, 3 }, { 1, 2 }, + { 0, 3 }, { 1, 2 }, { 0, 3 }, { 1, 2 }, + { 0, 3 }, { 1, 2 }, { 0, 3 }, { 1, 2 }, +}; + +static const uint8_t conv_tch_ahs_7_95_next_state[][2] = { + { 0, 1 }, { 2, 3 }, { 4, 5 }, { 6, 7 }, + { 9, 8 }, { 11, 10 }, { 13, 12 }, { 15, 14 }, + { 1, 0 }, { 3, 2 }, { 5, 4 }, { 7, 6 }, + { 8, 9 }, { 10, 11 }, { 12, 13 }, { 14, 15 }, +}; + +static const uint8_t conv_tch_ahs_7_95_next_term_output[] = { + 0, 1, 0, 1, 3, 2, 3, 2, 3, 2, 3, 2, 0, 1, 0, 1, +}; + +static const uint8_t conv_tch_ahs_7_95_next_term_state[] = { + 0, 2, 4, 6, 8, 10, 12, 14, 0, 2, 4, 6, 8, 10, 12, 14, +}; + +static int conv_tch_ahs_7_95_puncture[] = { + 1, 3, 5, 7, 11, 15, 19, 23, 27, 31, 35, 43, + 47, 51, 55, 59, 63, 67, 71, 79, 83, 87, 91, 95, + 99, 103, 107, 115, 119, 123, 127, 131, 135, 139, 143, 151, + 155, 159, 163, 167, 171, 175, 177, 179, 183, 185, 187, 191, + 193, 195, 197, 199, 203, 205, 207, 211, 213, 215, 219, 221, + 223, 227, 229, 231, 233, 235, 239, 241, 243, 247, 249, 251, + 255, 257, 259, 261, 263, 265, + -1, /* end */ +}; + +const struct osmo_conv_code gsm0503_conv_tch_ahs_7_95 = { + .N = 2, + .K = 5, + .len = 129, + .next_output = conv_tch_ahs_7_95_next_output, + .next_state = conv_tch_ahs_7_95_next_state, + .next_term_output = conv_tch_ahs_7_95_next_term_output, + .next_term_state = conv_tch_ahs_7_95_next_term_state, + .puncture = conv_tch_ahs_7_95_puncture, +}; + + +/* TCH/AHS7.4 */ +/* ---------- */ + +static const uint8_t conv_tch_ahs_7_4_next_output[][2] = { + { 0, 3 }, { 1, 2 }, { 0, 3 }, { 1, 2 }, + { 0, 3 }, { 1, 2 }, { 0, 3 }, { 1, 2 }, + { 0, 3 }, { 1, 2 }, { 0, 3 }, { 1, 2 }, + { 0, 3 }, { 1, 2 }, { 0, 3 }, { 1, 2 }, +}; + +static const uint8_t conv_tch_ahs_7_4_next_state[][2] = { + { 0, 1 }, { 2, 3 }, { 4, 5 }, { 6, 7 }, + { 9, 8 }, { 11, 10 }, { 13, 12 }, { 15, 14 }, + { 1, 0 }, { 3, 2 }, { 5, 4 }, { 7, 6 }, + { 8, 9 }, { 10, 11 }, { 12, 13 }, { 14, 15 }, +}; + +static const uint8_t conv_tch_ahs_7_4_next_term_output[] = { + 0, 1, 0, 1, 3, 2, 3, 2, 3, 2, 3, 2, 0, 1, 0, 1, +}; + +static const uint8_t conv_tch_ahs_7_4_next_term_state[] = { + 0, 2, 4, 6, 8, 10, 12, 14, 0, 2, 4, 6, 8, 10, 12, 14, +}; + +static int conv_tch_ahs_7_4_puncture[] = { + 1, 3, 7, 11, 19, 23, 27, 35, 39, 43, 51, 55, + 59, 67, 71, 75, 83, 87, 91, 99, 103, 107, 115, 119, + 123, 131, 135, 139, 143, 147, 151, 155, 159, 163, 167, 171, + 175, 179, 183, 187, 191, 195, 199, 203, 207, 211, 215, 219, + 221, 223, 227, 229, 231, 235, 237, 239, 243, 245, 247, 251, + 253, 255, 257, 259, + -1, /* end */ +}; + +const struct osmo_conv_code gsm0503_conv_tch_ahs_7_4 = { + .N = 2, + .K = 5, + .len = 126, + .next_output = conv_tch_ahs_7_4_next_output, + .next_state = conv_tch_ahs_7_4_next_state, + .next_term_output = conv_tch_ahs_7_4_next_term_output, + .next_term_state = conv_tch_ahs_7_4_next_term_state, + .puncture = conv_tch_ahs_7_4_puncture, +}; + + +/* TCH/AHS6.7 */ +/* ---------- */ + +static const uint8_t conv_tch_ahs_6_7_next_output[][2] = { + { 0, 3 }, { 1, 2 }, { 0, 3 }, { 1, 2 }, + { 0, 3 }, { 1, 2 }, { 0, 3 }, { 1, 2 }, + { 0, 3 }, { 1, 2 }, { 0, 3 }, { 1, 2 }, + { 0, 3 }, { 1, 2 }, { 0, 3 }, { 1, 2 }, +}; + +static const uint8_t conv_tch_ahs_6_7_next_state[][2] = { + { 0, 1 }, { 2, 3 }, { 4, 5 }, { 6, 7 }, + { 9, 8 }, { 11, 10 }, { 13, 12 }, { 15, 14 }, + { 1, 0 }, { 3, 2 }, { 5, 4 }, { 7, 6 }, + { 8, 9 }, { 10, 11 }, { 12, 13 }, { 14, 15 }, +}; + +static const uint8_t conv_tch_ahs_6_7_next_term_output[] = { + 0, 1, 0, 1, 3, 2, 3, 2, 3, 2, 3, 2, 0, 1, 0, 1, +}; + +static const uint8_t conv_tch_ahs_6_7_next_term_state[] = { + 0, 2, 4, 6, 8, 10, 12, 14, 0, 2, 4, 6, 8, 10, 12, 14, +}; + +static int conv_tch_ahs_6_7_puncture[] = { + 1, 3, 9, 19, 29, 39, 49, 59, 69, 79, 89, 99, + 109, 119, 129, 139, 149, 159, 167, 169, 177, 179, 187, 189, + 197, 199, 203, 207, 209, 213, 217, 219, 223, 227, 229, 231, + 233, 235, 237, 239, + -1, /* end */ +}; + +const struct osmo_conv_code gsm0503_conv_tch_ahs_6_7 = { + .N = 2, + .K = 5, + .len = 116, + .next_output = conv_tch_ahs_6_7_next_output, + .next_state = conv_tch_ahs_6_7_next_state, + .next_term_output = conv_tch_ahs_6_7_next_term_output, + .next_term_state = conv_tch_ahs_6_7_next_term_state, + .puncture = conv_tch_ahs_6_7_puncture, +}; + + +/* TCH/AHS5.9 */ +/* ---------- */ + +static const uint8_t conv_tch_ahs_5_9_next_output[][2] = { + { 0, 3 }, { 1, 2 }, { 0, 3 }, { 1, 2 }, + { 0, 3 }, { 1, 2 }, { 0, 3 }, { 1, 2 }, + { 0, 3 }, { 1, 2 }, { 0, 3 }, { 1, 2 }, + { 0, 3 }, { 1, 2 }, { 0, 3 }, { 1, 2 }, +}; + +static const uint8_t conv_tch_ahs_5_9_next_state[][2] = { + { 0, 1 }, { 2, 3 }, { 4, 5 }, { 6, 7 }, + { 9, 8 }, { 11, 10 }, { 13, 12 }, { 15, 14 }, + { 1, 0 }, { 3, 2 }, { 5, 4 }, { 7, 6 }, + { 8, 9 }, { 10, 11 }, { 12, 13 }, { 14, 15 }, +}; + +static const uint8_t conv_tch_ahs_5_9_next_term_output[] = { + 0, 1, 0, 1, 3, 2, 3, 2, 3, 2, 3, 2, 0, 1, 0, 1, +}; + +static const uint8_t conv_tch_ahs_5_9_next_term_state[] = { + 0, 2, 4, 6, 8, 10, 12, 14, 0, 2, 4, 6, 8, 10, 12, 14, +}; + +static int conv_tch_ahs_5_9_puncture[] = { + 1, 15, 71, 127, 139, 151, 163, 175, 187, 195, 203, 211, + 215, 219, 221, 223, + -1, /* end */ +}; + +const struct osmo_conv_code gsm0503_conv_tch_ahs_5_9 = { + .N = 2, + .K = 5, + .len = 108, + .next_output = conv_tch_ahs_5_9_next_output, + .next_state = conv_tch_ahs_5_9_next_state, + .next_term_output = conv_tch_ahs_5_9_next_term_output, + .next_term_state = conv_tch_ahs_5_9_next_term_state, + .puncture = conv_tch_ahs_5_9_puncture, +}; + + +/* TCH/AHS5.15 */ +/* ----------- */ + +static const uint8_t conv_tch_ahs_5_15_next_output[][2] = { + { 0, 7 }, { 2, 5 }, { 4, 3 }, { 6, 1 }, + { 2, 5 }, { 0, 7 }, { 6, 1 }, { 4, 3 }, + { 0, 7 }, { 2, 5 }, { 4, 3 }, { 6, 1 }, + { 2, 5 }, { 0, 7 }, { 6, 1 }, { 4, 3 }, +}; + +static const uint8_t conv_tch_ahs_5_15_next_state[][2] = { + { 0, 1 }, { 3, 2 }, { 5, 4 }, { 6, 7 }, + { 9, 8 }, { 10, 11 }, { 12, 13 }, { 15, 14 }, + { 1, 0 }, { 2, 3 }, { 4, 5 }, { 7, 6 }, + { 8, 9 }, { 11, 10 }, { 13, 12 }, { 14, 15 }, +}; + +static const uint8_t conv_tch_ahs_5_15_next_term_output[] = { + 0, 5, 3, 6, 5, 0, 6, 3, 7, 2, 4, 1, 2, 7, 1, 4, +}; + +static const uint8_t conv_tch_ahs_5_15_next_term_state[] = { + 0, 2, 4, 6, 8, 10, 12, 14, 0, 2, 4, 6, 8, 10, 12, 14, +}; + +static int conv_tch_ahs_5_15_puncture[] = { + 0, 1, 3, 4, 6, 9, 12, 15, 18, 21, 27, 33, + 39, 45, 51, 54, 57, 63, 69, 75, 81, 87, 90, 93, + 99, 105, 111, 117, 123, 126, 129, 135, 141, 147, 153, 159, + 162, 165, 168, 171, 174, 177, 180, 183, 186, 189, 192, 195, + 198, 201, 204, 207, 210, 213, 216, 219, 222, 225, 228, 231, + 234, 237, 240, 243, 244, 246, 249, 252, 255, 256, 258, 261, + 264, 267, 268, 270, 273, 276, 279, 280, 282, 285, 288, 289, + 291, 294, 295, 297, 298, 300, 301, + -1, /* end */ +}; + +const struct osmo_conv_code gsm0503_conv_tch_ahs_5_15 = { + .N = 3, + .K = 5, + .len = 97, + .next_output = conv_tch_ahs_5_15_next_output, + .next_state = conv_tch_ahs_5_15_next_state, + .next_term_output = conv_tch_ahs_5_15_next_term_output, + .next_term_state = conv_tch_ahs_5_15_next_term_state, + .puncture = conv_tch_ahs_5_15_puncture, +}; + + +/* TCH/AHS4.75 */ +/* ----------- */ + +static const uint8_t conv_tch_ahs_4_75_next_output[][2] = { + { 0, 7 }, { 3, 4 }, { 2, 5 }, { 1, 6 }, + { 2, 5 }, { 1, 6 }, { 0, 7 }, { 3, 4 }, + { 3, 4 }, { 0, 7 }, { 1, 6 }, { 2, 5 }, + { 1, 6 }, { 2, 5 }, { 3, 4 }, { 0, 7 }, + { 3, 4 }, { 0, 7 }, { 1, 6 }, { 2, 5 }, + { 1, 6 }, { 2, 5 }, { 3, 4 }, { 0, 7 }, + { 0, 7 }, { 3, 4 }, { 2, 5 }, { 1, 6 }, + { 2, 5 }, { 1, 6 }, { 0, 7 }, { 3, 4 }, + { 0, 7 }, { 3, 4 }, { 2, 5 }, { 1, 6 }, + { 2, 5 }, { 1, 6 }, { 0, 7 }, { 3, 4 }, + { 3, 4 }, { 0, 7 }, { 1, 6 }, { 2, 5 }, + { 1, 6 }, { 2, 5 }, { 3, 4 }, { 0, 7 }, + { 3, 4 }, { 0, 7 }, { 1, 6 }, { 2, 5 }, + { 1, 6 }, { 2, 5 }, { 3, 4 }, { 0, 7 }, + { 0, 7 }, { 3, 4 }, { 2, 5 }, { 1, 6 }, + { 2, 5 }, { 1, 6 }, { 0, 7 }, { 3, 4 }, +}; + +static const uint8_t conv_tch_ahs_4_75_next_state[][2] = { + { 0, 1 }, { 2, 3 }, { 5, 4 }, { 7, 6 }, + { 9, 8 }, { 11, 10 }, { 12, 13 }, { 14, 15 }, + { 16, 17 }, { 18, 19 }, { 21, 20 }, { 23, 22 }, + { 25, 24 }, { 27, 26 }, { 28, 29 }, { 30, 31 }, + { 33, 32 }, { 35, 34 }, { 36, 37 }, { 38, 39 }, + { 40, 41 }, { 42, 43 }, { 45, 44 }, { 47, 46 }, + { 49, 48 }, { 51, 50 }, { 52, 53 }, { 54, 55 }, + { 56, 57 }, { 58, 59 }, { 61, 60 }, { 63, 62 }, + { 1, 0 }, { 3, 2 }, { 4, 5 }, { 6, 7 }, + { 8, 9 }, { 10, 11 }, { 13, 12 }, { 15, 14 }, + { 17, 16 }, { 19, 18 }, { 20, 21 }, { 22, 23 }, + { 24, 25 }, { 26, 27 }, { 29, 28 }, { 31, 30 }, + { 32, 33 }, { 34, 35 }, { 37, 36 }, { 39, 38 }, + { 41, 40 }, { 43, 42 }, { 44, 45 }, { 46, 47 }, + { 48, 49 }, { 50, 51 }, { 53, 52 }, { 55, 54 }, + { 57, 56 }, { 59, 58 }, { 60, 61 }, { 62, 63 }, +}; + +static const uint8_t conv_tch_ahs_4_75_next_term_output[] = { + 0, 3, 5, 6, 5, 6, 0, 3, 3, 0, 6, 5, 6, 5, 3, 0, + 4, 7, 1, 2, 1, 2, 4, 7, 7, 4, 2, 1, 2, 1, 7, 4, + 7, 4, 2, 1, 2, 1, 7, 4, 4, 7, 1, 2, 1, 2, 4, 7, + 3, 0, 6, 5, 6, 5, 3, 0, 0, 3, 5, 6, 5, 6, 0, 3, +}; + +static const uint8_t conv_tch_ahs_4_75_next_term_state[] = { + 0, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, + 32, 34, 36, 38, 40, 42, 44, 46, 48, 50, 52, 54, 56, 58, 60, 62, + 0, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, + 32, 34, 36, 38, 40, 42, 44, 46, 48, 50, 52, 54, 56, 58, 60, 62, +}; + +static int conv_tch_ahs_4_75_puncture[] = { + 1, 2, 4, 5, 7, 8, 10, 13, 16, 22, 28, 34, + 40, 46, 52, 58, 64, 70, 76, 82, 88, 94, 100, 106, + 112, 118, 124, 130, 136, 142, 148, 151, 154, 160, 163, 166, + 172, 175, 178, 184, 187, 190, 196, 199, 202, 208, 211, 214, + 220, 223, 226, 232, 235, 238, 241, 244, 247, 250, 253, 256, + 259, 262, 265, 268, 271, 274, 275, 277, 278, 280, 281, 283, + 284, + -1, /* end */ +}; + +const struct osmo_conv_code gsm0503_conv_tch_ahs_4_75 = { + .N = 3, + .K = 7, + .len = 89, + .next_output = conv_tch_ahs_4_75_next_output, + .next_state = conv_tch_ahs_4_75_next_state, + .next_term_output = conv_tch_ahs_4_75_next_term_output, + .next_term_state = conv_tch_ahs_4_75_next_term_state, + .puncture = conv_tch_ahs_4_75_puncture, +}; + -- cgit v1.2.3 From ddc0bf14d5d5c8b3248eab0463399ae0a5bb8e3f Mon Sep 17 00:00:00 2001 From: Thomas Tsou Date: Thu, 8 May 2014 13:41:17 -0400 Subject: TRX: Remove extra TCH/HS puncturing value 3GPP TS 05.03 "Channel coding" specifies the puncturing matrix (1,0,1) for class 1 information bits and tail bits valued u(0) to u(103) for a maximum puncturing index of 311. The puncturing index 313 exceeds the maximum index and causes osmo_conv_get_output_length() to output the improper length of 210 instead of 211. Signed-off-by: Thomas Tsou --- src/osmo-bts-trx/gsm0503_conv.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'src/osmo-bts-trx/gsm0503_conv.c') diff --git a/src/osmo-bts-trx/gsm0503_conv.c b/src/osmo-bts-trx/gsm0503_conv.c index 2a814ca3..dc50e6c2 100644 --- a/src/osmo-bts-trx/gsm0503_conv.c +++ b/src/osmo-bts-trx/gsm0503_conv.c @@ -139,7 +139,7 @@ static const int conv_tch_hr_puncture[] = { 253, 256, 259, 262, 265, 268, 271, 274, 277, 280, 283, /* Tail bits */ - 295, 298, 301, 304, 307, 310, 313, + 295, 298, 301, 304, 307, 310, /* End */ -1, -- cgit v1.2.3