control_bits.c

来自「wcdma模型」· C语言 代码 · 共 38 行

/*
 |
 | Copyright disclaimer:
 |   This software was developed at the National Institute of Standards
 |   and Technology by employees of the Federal Government in the course
 |   of their official duties. Pursuant to title 17 Section 105 of the
 |   United States Code this software is not subject to copyright
 |   protection and is in the public domain.
 |
 |   We would appreciate acknowledgement if the software is used.
 |
*/

#include <stdio.h>
#include <stdlib.h>
#include <math.h>
#include "config_wcdma.h"


int wcdma_remove_control_bits(
	   double data[],	/* IN: input data symbol vector */
           int bits_in_frame,	/* IN: legth of the output vector*/
	   int slots_in_frame,	/* IN: number of slots in a frame*/
           int nControl,        /* IN Number of contol bits in slot/**/
           double out[])	/* OUT: output symbols for one block */
{ 
  int i,i_tmp;
  int coded_bits_slot = (bits_in_frame - slots_in_frame * nControl)/ slots_in_frame;
  int bits_in_slot = bits_in_frame / slots_in_frame ;
  i_tmp = 0;

  for (i = 0; i < bits_in_frame; i++){
    if ( (i % bits_in_slot) > (nControl - 1)){
      out[i_tmp] = data[i];
      i_tmp++;
	}}
}