wib_dl_syn.h

802.16e物理层下行子载波分配。严格按照802.16e实现。

#include "..\include\wib_phy_def.h"

/* frame detection */   
int dl_frame_detect(
    COMPLEX16               *p_ddc_data,
    UINT16          cp,
    COMPLEX16               *p_detected_preamble
    );

/* timing synchronization */    
int dl_timing_syn(
    COMPLEX16               *p_ddc_data,
    UINT16          cp,
    UINT32           frame_start_pos
    );

/* fraction frequency estimate and compensation 1 */    
int dl_frac_freq_est_comps_1(
    UINT16          cp,
    COMPLEX16               *p_detected_preamble,
    COMPLEX16               *p_compen_preamble
    );

/* fraction frequency estimate and compensation 2 */    
int dl_frac_freq_est_comps_2(
    UINT16          cp,
    COMPLEX16               *p_uncompen_sym,
    COMPLEX16               *p_compen_sym           
    );


/* ID cell and segment ID detection */  
int dl_idcel_seg_intfreq_dectect(
    DL_SUBFRAME_STRUCT      *p_dl_subframe_rx,
    COMPLEX16               *p_fft_preamble_data
    );