setting.h

应用于无线通信的OFDM解调和RS解码源程序。64点FFT

#define PI 3.14159

#define TotalCarrier   32          /* Total Carrier number                   */
#define UsedCarrier    19          /* Used Carrier number                    */
#define CarrierJumpPos 3           /* Used carrier jumping-off point         */

#define CodewordBit    2           /* A coedword in QPSK uses 2 bits         */

#define FFTSize        64          /* FFT Size in (Samples)                  */
#define GuardTimeSize  8           /* OFDM Guard time size in samples        */
#define SymbolSize (FFTSize + GuardTimeSize)
                                   /* Total size per OFDM symbol             */

#define SymPerFrame    10          /* Processed symbols per OFDM subframe    */
#define TotalFrame     4           /* Processed times (OFDM subframe number)
								    * per full-OFDM frame. An integrate
									* frame includes SymPerFrame * TotalFrame
									* OFDM symbols
									*/
#define NullSampleSize 176         /* Number of padded zero samples per OFDM 
									* frame
									*/
#define HeaderSize     8000        /* Header size in symbols for pre & post
									* signal
									*/

#define Timing         1           /* 0: Artificially accurate timing
									* 1: Eric's timing
									*/
#define FisrtFinePnt   0           /* Fine tune used in the first received
									* OFDM frame. It needs to be adjusted
									* based on actual hardware performance
									*/
#define SecondFinePnt  6           /* Fine tune used in the following received
									* OFDM frames. It needs to be adjusted
									* based on actual hardware performance
									*/

#define SrcVector      103         /* Source coded bits per speech frame     */