globalmacro.h

在vc上做的802.16d ofdm phy的仿真

#ifndef _GLOBAL_MACRO_H
#define _GLOBAL_MACRO_H

//for test only

#define NUM_OF_SYMBOL	2002
#define ENERGY_TO_NOISE	19
#define BIT_SYMBOL_RATIO  6

#define MAX_DL_BURST_NUM_0 12 
#define RATE_ID_NUM 8		// the number of RateID values
#define DIUC_NUM_1  12

#define DISABLED 0

#define FCH_BURSTFLAG		0// burst indication that the burst is FCH
#define BURSTONE_BURSTFLAG	1// the burst is non-FCH  but not in STC.
#define STCFCH_BURSTFLAG 	2//indication that the burst is STC-FCH.
#define STC_BURSTFLAG	3//the burst is in STC region but  is not STC-FCH


#define NO_PREAMBLE		0//preamble indication;
#define SHORT_PREAMBLE  1
#define LONG_PREAMBLE 	2
#define STC_PREAMBLE	3

//#define MAX_DL_BURST_NUM_0 20

#define TX_QAM_BITWIDTH 16
#define TX_QAM_AVE 1024*2
#define TX_DAC_BITWIDTH 14
#define TX_DAC_SCALING_FAC 4096


#define FFT_SIZE 256
#define DL_TX_INBUFF_SIZE_0 108+16    //info bytes per OFDM symbol including tail bytes.
#define DL_TX_RSENC_OUTBUFF_SIZE_0 120
#define DL_TX_CCENC_OUTBUFF_SIZE_0 144*8    //CC encoding output bits per symbol.
#define DL_TX_DATAMOD_OUTBUFF_SIZE_0 2*FFT_SIZE   

#define PREAMBLE_FREQ_FULL_SIZE 201

#define NOFEC_DONE 1		//=no FEC encoding done,
#define RSENCODE_DONE 2	//=RS encoding is done,
#define CONVENCODE_DONE 3	//=convolutional encoding is done
#define INTERLEAVE_DONE 4	//=interleaving is done
#define DATAMOD_DONE 5		//=data modulation is done

#define PILOTS_NUM 8

#define PREAMBLE_64 0 //PREAMBLE_64 = for preamble with 64 periodic samples

#define PREAMBLE_128 1 // PREAMBLE_128= 128 samples preambles

#define PREAMBLE_STC 8 // PREAMBLE_STC= STC 128 samples preambles

#define CP_1_4 0				//CP to Data ratio, 1/4/8/16/32.
#define CP_1_8 1
#define CP_1_16 2
#define CP_1_32 3	//CP to Data ratio code

#define DL_STC_STARTTIME_BURST_0 6// STC start time in symbols, for testing.
#define DL_STC_STARTTIME_SYM_0   13 

#define ENABLED 1
#define DISABLED 0
//txmodulation
//tx mod
#define FFT_SIZE_64 64

#define FFT_SIZE_128 128

#define FFT_SIZE_256 256

#define FFT_SIZE_512 512

#define FFT_SIZE_1024 1024

#define INTERP_RATE_2 2;

#define INTERP_RATE_4 4;

//#define FFT_SIZE	256

#define INTERP_RATE	2

#define FFT_WEIGHT_BITWIDTH_16 16

#define FFT_WEIGHT_BITWIDTH_8 8

#define FFT_WEIGHTS_BITWIDTH 16

//#define IFFT_WEIGHTS_BITWIDTH	16;
#define DL_TX_DATAMOD_OUTBUFF_SIZE_0 2*FFT_SIZE

#define DL_TX_IFFT_OUTBUFF_SIZE 2*FFT_SIZE

#define DL_TX_INTERP_OUTBUFF_SIZE 5*DL_TX_IFFT_OUTBUFF_SIZE*INTERP_RATE/4

#define INTERP_LENGTH 4

#define CP_DATA_RATIO_0  FFT_SIZE/4

#define CP_DATA_RATIO_1  FFT_SIZE/8

#define CP_DATA_RATIO_2	 FFT_SIZE/16

#define CP_DATA_RATIO_3  FFT_SIZE/32

#define MAX_DL_BURST_NUM_0 12

//rx demod

#define DL_RX_FILTER_LENGTH_0 32

#define DL_RX_BUFF_SIZE 2*(FFT_SIZE*5/4+64)

#define DL_RX_AUTOCOR_OUTBUFF_SIZE DL_RX_BUFF_SIZE-64*2

#define DL_RX_FREQDEROT_OUTBUFF_SIZE 2*FFT_SIZE

#define DL_RX_FFT_OUTBUFF_SIZE 2*FFT_SIZE

//Rx Preamble

#define INTERP_LENGTH 4

#define LONGPREAMBLE_64 1 // = for long preamble with 64-sample symbol;

#define LONGPREAMBLE_128 2 // = for long preamble with 128-sample symbol. 
							//The channel estimate needs to be averaged with previous 64-sample symbol channel estimates
#define SHORTPREAMBLE_128 4 // =for short burst preambles.

//#define PREAMBLE_STC  8 // for preamble in STC zone.

#define DL_DESIRED_RXPOWER_DB0 19//desired Rx power in dB.

#define DL_AGC_SMOOTHFAC_0 100	//the smoothing factor in updating AGC gain.

#define CHEST_SCALE		12

//#define CHTRACK_SCALE	12

#define DL_RX_CHCOMP_OUTBUFF_SIZE  2*201

#define DL_RX_CHStcDecod_OUTBUFF_SIZE 2*201

#define PI  3.14159265

#define PILOTS_NUM 8
// rxburst channel decoding

//#define DL_RX_CHCOMP_OUTBUFF_SIZE 2*201

#define DL_RX_DATADEMOD_OUTBUFF_SIZE 144*8

#define DL_RX_DEINTERL_OUTBUFF_SIZE DL_RX_DATADEMOD_OUTBUFF_SIZE

#define DL_RX_CCDECODE_OUTBUFF_SIZE 120

#define DL_RX_RSDECODE_OUTBUFF_SIZE 108

#define DL_RX_DERAND_OUTBUFF_SIZE 108

//ccdecoding
#define  MAX_CONV_LENGTH  4110     	//the max length to the viterbi decoder
#define  MAX_CONV_STATES  64
//新增
#define  MAX_RSPARITY_LENGTH   16
#define  MAX_RSDECODING_BUFF_LENGTH  255

#define  PMETRIC_SCALE_THRESH 512 //viterb decode scale thresh

#define  CC_CODE_RATE       2
#define  CC_CODE_CONSTRAIT  6

//rs decoding
#define RSDEC_OK_NO_ERRORS 0;//no RS decoding errors.
#define RSDEC_OK_ERROR_1 1	//1 error, corrected
#define RSDEC_OK_ERROR_2 2
#define RSDEC_OK_ERROR_3 3
#define RSDEC_OK_ERROR_4 4
#define RSDEC_OK_ERROR_5 5
#define RSDEC_OK_ERROR_6 6
#define RSDEC_OK_ERROR_7 7
#define RSDEC_OK_ERROR_8 8	//8 errors, corrected
#define RSDEC_ERRORS 15	//RS decode errors beyond correction.


#define MAX_DL_BURST_NUM_0 12

#define SOFT_DEC_BITS_0 7	//the bitwidth for soft decision demodulaiton output.

#endif