bench_parameters.h

ofdm的完整系统模型,包含信道参数,多径模型,doppler频移等都可以自由修改!是您做仿真的有力帮助.c语言运行速度快!

#ifndef BENCH_PARAMETERS_H
#define BENCH_PARAMETERS_H

#define OK 							1
#define ERROR 						0

/* parameters for sender */
#define SUBCARRIERS					2048
#define CP_LENGTH					256
#define PILOT_LENGTH				256
#define DATA_SUBC_LEN				1750
#define FREQ_GUARD_LEN				24
#define PILOT_PHASE					3
#define PILOT_GAP					8
#define MODULATE_ORDER				2

#define	TOTAL_BIT_PER_SYM			MODULATE_ORDER*DATA_SUBC_LEN
/* parameters for receiver */
#define MST_TAP_LEN					8			//NUM_MULTIPATH + 2
#define FD_FILT_ENTA				0.9

#define	inter_K						6
#define	repeat_M					10
#define	poly_g						3					
#define	sub_clk_size				inter_K*repeat_M
/* parameters for channel */

#define CHNANNEL_COST207			1
#define U_SPECTRUM	 				1
//#define FD_CACULATE					1
#define FD_NORMALIZE				0.2

#define NUM_MULTIPATH				6
#define MAX_DELAY					10.0e-6			// s

#define CH_DOPPLER_FREQ				30				// Hz

#define CH_SAMPLE_RATE				20.0e6			// Hz
#define CH_CARRIER_FREQ				3.2e9			// Hz
#define CH_MOBILE_SPEED				5				// km/hr
#define CH_FILTER_LEN				256
#define CH_INTERPOLATE_LEN			10
#define CH_INTERPOLATE_NUM			11
#define CH_WINDOW					HAMMING
#define CH_IF_NORMALIZE				"yes"
#define CH_IF_INTERPOLATE			"yes"

#define SNR							0.0			// dB
#define SIGNAL_POWER				0.008608818054199219	//QPSK
//#define SIGNAL_POWER				0.005270957946777344	//QAM
#define CHANNEL_DELAY				0.0				// [0, SUBCARRIERS+CP_LENGTH)
#define SNR_INI						0.0			// dB

static double vec_delay_t[12] = {0, 0.3e-6, 8.9e-6, 12.9e-6, 17.1e-6, 20.0e-6, 0, 0, 0, 0, 0, 0};		// s
static double vec_power_db[12] = {-2.5, 0, -12.8, -10.0, -25.2, -16.0, 0, 0, 0, 0, 0, 0};				// dB

/* parameters for debug */
#define	error_file			"e:\\shaen_work\\chn_estimate4\\logfile\\log_error"

#define	matrix_file			"E:\\ljl\\channel_esti_ofdm\\channel estimation\\calculate_matrix.txt"
#define	tmp_file			"E:\\ljl\\channel_esti_ofdm\\channel estimation\\tmp_file.txt"
#define	source_file			"E:\\ljl\\channel_esti_ofdm\\channel estimation\\source_file.txt"
#define	target_file			"E:\\ljl\\channel_esti_ofdm\\channel estimation\\target_file.txt"
#define	target1_file		"E:\\ljl\\channel_esti_ofdm\\channel estimation\\target1_file.txt"
#define	target2_file		"E:\\ljl\\channel_esti_ofdm\\channel estimation\\target2_file.txt"

#define LOG_POLY_BER_LS			"E:\\ljl\\channel_esti_ofdm\\channel estimation\\ber_ls"
#define LOG_POLY_BER_MST		"E:\\ljl\\channel_esti_ofdm\\channel estimation\\ber_mst"
#define LOG_POLY_BER_STP1		"E:\\ljl\\channel_esti_ofdm\\channel estimation\\ber_stp1"
#define LOG_POLY_BER_STP2		"E:\\ljl\\channel_esti_ofdm\\channel estimation\\ber_stp2"
#define LOG_POLY_BER_IDEAL		"E:\\ljl\\channel_esti_ofdm\\channel estimation\\ber_ideal"

#define LOG_POLY_MSE_MST		"E:\\ljl\\channel_esti_ofdm\\channel estimation\\mse_mst"
#define LOG_POLY_MSE_STP1		"E:\\ljl\\channel_esti_ofdm\\channel estimation\\mse_stp1"
#define LOG_POLY_MSE_STP2		"E:\\ljl\\channel_esti_ofdm\\channel estimation\\mse_stp2"
#define LOG_POLY_MSE_LS			"E:\\ljl\\channel_esti_ofdm\\channel estimation\\mse_ls"
//#define LOG_TAP_LS		"e:\\shaen_work\\chn_estimate4\\logfile\\fd200\\tap_ls_0db"
//#define LOG_TAP_MST		"e:\\shaen_work\\chn_estimate4\\logfile\\fd200\\tap_mst_0db"
//#define LOG_TAP_STP1		"e:\\shaen_work\\chn_estimate4\\logfile\\fd200\\tap_stp1_0db"
//#define LOG_TAP_STP2		"e:\\shaen_work\\chn_estimate4\\logfile\\fd200\\tap_stp2_0db"
#define LOG_TAP_TRUE		"E:\\ljl\\channel_esti_ofdm\\c\\channel\\channel_bak\\tap_true_fd30"


/* global */
extern Ovector			Data_Buff;
//extern RayParams		ray_params_1[12];
extern RayParams		ray_params_1;
extern GauParams		gauss_params_1;
extern FreqParams		freq_params_1;

extern double			Noise_Sigma;
extern double			Ch_Norm_Factor;		// factor used to normalize channel gain

#endif