33 lines
763 B
C
33 lines
763 B
C
/*---------------------------------------------------------------------------*\
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FILE........: tesno_est.c
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AUTHORS.....: David Rowe
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DATE CREATED: Mar 2021
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Test for C port of Es/No estimator.
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\*---------------------------------------------------------------------------*/
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#include <assert.h>
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#include <math.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include "ofdm_internal.h"
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int main(int argc, char *argv[]) {
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FILE *fin = fopen(argv[1], "rb");
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assert(fin != NULL);
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size_t nsym = atoi(argv[2]);
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assert(nsym >= 0);
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complex float rx_sym[nsym];
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size_t nread = fread(rx_sym, sizeof(complex float), nsym, fin);
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assert(nread == nsym);
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fclose(fin);
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float EsNodB = ofdm_esno_est_calc(rx_sym, nsym);
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printf("%f\n", EsNodB);
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return 0;
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}
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