diff options
Diffstat (limited to 'gssm/src/lib/gsm_constants.h')
| -rw-r--r-- | gssm/src/lib/gsm_constants.h | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/gssm/src/lib/gsm_constants.h b/gssm/src/lib/gsm_constants.h new file mode 100644 index 0000000..6f4f07e --- /dev/null +++ b/gssm/src/lib/gsm_constants.h @@ -0,0 +1,76 @@ +// $Id: gsm_constants.h,v 1.1.1.1 2007-06-01 04:26:57 jl Exp $ + +#pragma once + +static const double QN_TIME = 12.0l / 13.0l / 1000000.0l; +static const double BN_TIME = 4.0l * QN_TIME; +static const double TN_TIME = 156.25l * BN_TIME; +static const double FN_TIME = 8.0l * TN_TIME; + +static const double GSM_RATE = 812500.0l / 3.0l; +static const int MAX_FN = 26 * 51 * 2048; + +static const int BURST_LENGTH = 156; + + +/* + * frequency correction: + * tn = 0 fnm51 = 0 + * + * sync: + * tn = 0 fnm51 = 1 + * tn = 0 fnm51 = 11 + * tn = 0 fnm51 = 21 + * tn = 0 fnm51 = 31 + * tn = 0 fnm51 = 41 + * + * bcch: + * tn = 0 fnm51 = 2, 3, 4, 5 + * tn = 2 fnm51 = 2, 3, 4, 5 + * tn = 4 fnm51 = 2, 3, 4, 5 + * tn = 6 fnm51 = 2, 3, 4, 5 + * + * bcch_ext: + * tn = 0 fnm51 = 6, 7, 8, 9 + * tn = 2 fnm51 = 6, 7, 8, 9 + * tn = 4 fnm51 = 6, 7, 8, 9 + * tn = 6 fnm51 = 6, 7, 8, 9 + * + * pch and agch: + * tn = 0 fnm51 = 6, 7, 8, 9 + * tn = 0 fnm51 = 12, 13, 14, 15 + * tn = 0 fnm51 = 16, 17, 18, 19 + * tn = 0 fnm51 = 22, 23, 24, 25 + * tn = 0 fnm51 = 26, 27, 28, 29 + * tn = 0 fnm51 = 32, 33, 34, 35 + * tn = 0 fnm51 = 36, 37, 38, 39 + * tn = 0 fnm51 = 42, 43, 44, 45 + * tn = 0 fnm51 = 46, 47, 48, 49 + * tn = 2 fnm51 = 6, 7, 8, 9 + * tn = 2 fnm51 = 12, 13, 14, 15 + * tn = 2 fnm51 = 16, 17, 18, 19 + * tn = 2 fnm51 = 22, 23, 24, 25 + * tn = 2 fnm51 = 26, 27, 28, 29 + * tn = 2 fnm51 = 32, 33, 34, 35 + * tn = 2 fnm51 = 36, 37, 38, 39 + * tn = 2 fnm51 = 42, 43, 44, 45 + * tn = 2 fnm51 = 46, 47, 48, 49 + * tn = 4 fnm51 = 6, 7, 8, 9 + * tn = 4 fnm51 = 12, 13, 14, 15 + * tn = 4 fnm51 = 16, 17, 18, 19 + * tn = 4 fnm51 = 22, 23, 24, 25 + * tn = 4 fnm51 = 26, 27, 28, 29 + * tn = 4 fnm51 = 32, 33, 34, 35 + * tn = 4 fnm51 = 36, 37, 38, 39 + * tn = 4 fnm51 = 42, 43, 44, 45 + * tn = 4 fnm51 = 46, 47, 48, 49 + * tn = 6 fnm51 = 6, 7, 8, 9 + * tn = 6 fnm51 = 12, 13, 14, 15 + * tn = 6 fnm51 = 16, 17, 18, 19 + * tn = 6 fnm51 = 22, 23, 24, 25 + * tn = 6 fnm51 = 26, 27, 28, 29 + * tn = 6 fnm51 = 32, 33, 34, 35 + * tn = 6 fnm51 = 36, 37, 38, 39 + * tn = 6 fnm51 = 42, 43, 44, 45 + * tn = 6 fnm51 = 46, 47, 48, 49 + */ |