From 83ca8d75e21d286096c749b7608f847220260b77 Mon Sep 17 00:00:00 2001 From: piotr Date: Mon, 1 Jun 2009 22:14:14 +0200 Subject: program now works for osr from 2,3,4,5,6 and almost for osr==7) --- src/lib/gsm_constants.h | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) (limited to 'src/lib/gsm_constants.h') diff --git a/src/lib/gsm_constants.h b/src/lib/gsm_constants.h index d08df17..1e449b3 100644 --- a/src/lib/gsm_constants.h +++ b/src/lib/gsm_constants.h @@ -6,7 +6,9 @@ //Burst timing #define TAIL_BITS 3 -#define GUARD_BITS 8.25 +#define GUARD_BITS 8 +#define GUARD_FRACTIONAL 0.25 //fractional part of guard period +#define GUARD_PERIOD GUARD_BITS + GUARD_FRACTIONAL #define DATA_BITS 58 //size of 1 data block in normal burst #define N_TRAIN_BITS 26 #define N_SYNC_BITS 64 @@ -14,9 +16,9 @@ #define FCCH_BITS USEFUL_BITS #define BURST_SIZE (USEFUL_BITS+2*TAIL_BITS) -#define TS_BITS (TAIL_BITS+USEFUL_BITS+TAIL_BITS+GUARD_BITS) //a full TS (156) +#define TS_BITS (TAIL_BITS+USEFUL_BITS+TAIL_BITS+GUARD_BITS) //a full TS (156 bits) #define TS_PER_FRAME 8 -#define FRAME_BITS (TS_PER_FRAME * TS_BITS) +#define FRAME_BITS (TS_PER_FRAME * TS_BITS + 2) // 156.25 * 8 #define FCCH_POS TAIL_BITS #define SYNC_POS 39 #define TRAIN_POS 58 @@ -24,6 +26,7 @@ #define FCCH_HITS_NEEDED (USEFUL_BITS - 4) #define FCCH_MAX_MISSES 1 +#define FCCH_MAX_FREQ_OFFSET 100 #define CHAN_IMP_RESP_LENGTH 5 -- cgit v1.2.3