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// $Id: burst_types.h,v 1.5 2007/03/14 05:44:53 jl Exp $
#pragma once
#ifdef __cplusplus
extern "C" {
#endif
#include <gsm_constants.h>
static const int TB_LEN = 3;
static const int TB_OS1 = 0;
static const int TB_OS2 = 145;
static const unsigned char tail_bits[] = {0, 0, 0};
/*
* The normal burst is used to carry information on traffic and control
* channels.
*/
static const int N_TSC_NUM = 8; // number of training sequence codes
static const int N_TSC_CODE_LEN = 26; // length of tsc
static const int N_TSC_OS = 61; // tsc offset
static const int N_EDATA_LEN_1 = 58; // length of first data section
static const int N_EDATA_OS_1 = 3; // offset of first data section
static const int N_EDATA_LEN_2 = 58; // length of second data section
static const int N_EDATA_OS_2 = 87; // offset of second data section
#if 0
static const unsigned char n_tsc[][N_TSC_CODE_LEN] = {
/* 0 */ {
0, 0, 1, 0, 0, 1, 0, 1, 1, 1, 0, 0, 0,
0, 1, 0, 0, 0, 1, 0, 0, 1, 0, 1, 1, 1
},
/* 1 */ {
0, 0, 1, 0, 1, 1, 0, 1, 1, 1, 0, 1, 1,
1, 1, 0, 0, 0, 1, 0, 0, 1, 0, 1, 1, 1
},
/* 2 */ {
0, 1, 0, 0, 0, 0, 1, 1, 1, 0, 1, 1, 1,
0, 1, 0, 0, 1, 0, 0, 0, 0, 1, 1, 1, 0
},
/* 3 */ {
0, 1, 0, 0, 0, 1, 1, 1, 1, 0, 1, 1, 0,
1, 0, 0, 0, 1, 0, 0, 0, 1, 1, 1, 1, 0
},
/* 4 */ {
0, 0, 0, 1, 1, 0, 1, 0, 1, 1, 1, 0, 0,
1, 0, 0, 0, 0, 0, 1, 1, 0, 1, 0, 1, 1
},
/* 5 */ {
0, 1, 0, 0, 1, 1, 1, 0, 1, 0, 1, 1, 0,
0, 0, 0, 0, 1, 0, 0, 1, 1, 1, 0, 1, 0
},
/* 6 */ {
1, 0, 1, 0, 0, 1, 1, 1, 1, 1, 0, 1, 1,
0, 0, 0, 1, 0, 1, 0, 0, 1, 1, 1, 1, 1
},
/* 7 */ {
1, 1, 1, 0, 1, 1, 1, 1, 0, 0, 0, 1, 0,
0, 1, 0, 1, 1, 1, 0, 1, 1, 1, 1, 0, 0
}
};
#endif
/*
* The frequency correction burst is used for frequency synchronization
* of the mobile. This is broadcast in TS0 together with the SCH and
* BCCH.
*
* Modulating the bits below causes a spike at 62.5kHz above (below for
* COMPACT) the center frequency. One can use this spike with a narrow
* band filter to accurately determine the center of the channel.
*/
static const int FC_CODE_LEN = 142;
static const int FC_OS = 3;
static const unsigned char fc_fb[] = {
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
};
static const unsigned char fc_compact_fb[] = {
1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0,
1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0,
1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0,
1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0,
1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0,
1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0,
1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0,
1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0,
1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0
};
/*
* The synchronization burst is used for time synchronization of the
* mobile. The bits given below were chosen for their correlation
* properties. The synchronization channel (SCH) contains a long
* training sequence (given below) and carries the TDMA frame number and
* base station identity code. It is broadcast in TS0 in the frame
* following the frequency correction burst.
*/
static const int SB_CODE_LEN = 64;
static const int SB_ETS_OS = 42;
static const int SB_EDATA_LEN_1 = 39;
static const int SB_EDATA_OS_1 = 3;
static const int SB_EDATA_LEN_2 = 39;
static const int SB_EDATA_OS_2 = 106;
static const unsigned char sb_etsc[] = {
1, 0, 1, 1, 1, 0, 0, 1, 0, 1, 1, 0, 0, 0, 1, 0,
0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1,
0, 0, 1, 0, 1, 1, 0, 1, 0, 1, 0, 0, 0, 1, 0, 1,
0, 1, 1, 1, 0, 1, 1, 0, 0, 0, 0, 1, 1, 0, 1, 1
};
static const unsigned char sb_cts_etsc[] = {
1, 1, 1, 0, 1, 1, 1, 0, 0, 1, 1, 0, 1, 0, 1, 1,
0, 0, 1, 0, 1, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 0,
1, 1, 1, 1, 0, 1, 0, 0, 0, 1, 1, 1, 1, 1, 1, 0,
1, 1, 0, 0, 1, 0, 1, 1, 0, 0, 0, 1, 0, 1, 0, 1
};
static const unsigned char sb_compact_etsc[] = {
1, 1, 1, 0, 1, 1, 0, 0, 0, 0, 1, 1, 0, 1, 1, 1,
0, 1, 0, 1, 0, 0, 0, 1, 0, 1, 0, 1, 1, 0, 1, 0,
0, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0,
0, 0, 1, 0, 0, 0, 1, 1, 0, 1, 0, 0, 1, 1, 1, 0
};
/*
* A base tranceiver station must transmit a burst in every timeslot of
* every TDMA frame in channel C0. The dummy burst will be transmitted
* on all timeslots of all TDMA frames for which no other channel
* requires a burst to be transmitted.
*/
static const int D_CODE_LEN = 142;
static const int D_MB_OS = 3;
static const unsigned char d_mb[] = {
1, 1, 1, 1, 1, 0, 1, 1, 0, 1, 1, 1, 0, 1, 1, 0,
0, 0, 0, 0, 1, 0, 1, 0, 0, 1, 0, 0, 1, 1, 1, 0,
0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0,
0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 1, 1, 1, 0, 0,
0, 1, 0, 1, 1, 1, 0, 0, 0, 1, 0, 1, 1, 1, 0, 0,
0, 1, 0, 1, 0, 1, 1, 1, 0, 1, 0, 0, 1, 0, 1, 0,
0, 0, 1, 1, 0, 0, 1, 1, 0, 0, 1, 1, 1, 0, 0, 1,
1, 1, 1, 0, 1, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 1,
0, 0, 1, 0, 1, 1, 1, 1, 1, 0, 1, 0, 1, 0
};
/*
* The access burst is used for random access from a mobile.
*/
static const int AB_ETB_CODE_LEN = 8;
static const int AB_ETB_OS = 0;
static const unsigned char ab_etb[] = {
0, 0, 1, 1, 1, 0, 1, 0
};
static const int AB_SSB_CODE_LEN = 41;
static const int AB_SSB_OS = 8;
static const unsigned char ab_ssb[] = {
0, 1, 0, 0, 1, 0, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1,
1, 0, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 1, 0, 1, 0,
0, 0, 1, 1, 1, 1, 0, 0, 0
};
static const unsigned char ab_ts1_ssb[] = {
0, 1, 0, 1, 0, 1, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0,
1, 0, 0, 0, 0, 1, 1, 0, 0, 0, 1, 0, 1, 1, 1, 1,
0, 0, 1, 0, 0, 1, 1, 0, 1
};
static const unsigned char ab_ts2_ssb[] = {
1, 1, 1, 0, 1, 1, 1, 1, 0, 0, 1, 0, 0, 1, 1, 1,
0, 1, 0, 1, 0, 1, 1, 0, 0, 0, 0, 0, 1, 1, 0, 1,
1, 0, 1, 1, 1, 0, 1, 1, 1
};
typedef enum {
burst_n_0,
burst_n_1,
burst_n_2,
burst_n_3,
burst_n_4,
burst_n_5,
burst_n_6,
burst_n_7,
burst_fc,
burst_fc_c,
burst_s,
burst_s_cts,
burst_s_c,
burst_d,
burst_a,
burst_a_ts1,
burst_a_ts2,
burst_not_a_burst
} burst_t;
static const int N_BURST_TYPES = ((int)(burst_not_a_burst) + 1);
#ifdef __cplusplus
}
#endif
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