Cedric Roux
56c66c09aa
Pre-ci test passed git-svn-id: http://svn.eurecom.fr/openair4G/trunk@4000 818b1a75-f10b-46b9-bf7c-635c3b92a50f
108 lines
3.2 KiB
Matlab
108 lines
3.2 KiB
Matlab
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function [] = gen_7_5_kHz()
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[s6_n2, s6_e2] = gen_sig(6);
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[s15_n2, s15_e2] = gen_sig(15);
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[s25_n2, s25_e2] = gen_sig(25);
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[s50_n2, s50_e2] = gen_sig(50);
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[s75_n2, s75_e2] = gen_sig(75);
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[s100_n2, s100_e2] = gen_sig(100);
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fd=fopen("kHz_7_5.h","w");
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fprintf(fd,"s16 s6n_kHz_7_5[%d]__attribute__((aligned(16))) = {",length(s6_n2));
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fprintf(fd,"%d,",s6_n2(1:(end-1)));
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fprintf(fd,"%d};\n\n",s6_n2(end));
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fprintf(fd,"s16 s6e_kHz_7_5[%d]__attribute__((aligned(16))) = {",length(s6_e2));
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fprintf(fd,"%d,",s6_e2(1:(end-1)));
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fprintf(fd,"%d};\n\n",s6_e2(end));
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fprintf(fd,"s16 s15n_kHz_7_5[%d]__attribute__((aligned(16))) = {",length(s15_n2));
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fprintf(fd,"%d,",s15_n2(1:(end-1)));
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fprintf(fd,"%d};\n\n",s15_n2(end));
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fprintf(fd,"s16 s15e_kHz_7_5[%d]__attribute__((aligned(16))) = {",length(s15_e2));
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fprintf(fd,"%d,",s15_e2(1:(end-1)));
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fprintf(fd,"%d};\n\n",s15_e2(end));
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fprintf(fd,"s16 s25n_kHz_7_5[%d]__attribute__((aligned(16))) = {",length(s25_n2));
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fprintf(fd,"%d,",s25_n2(1:(end-1)));
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fprintf(fd,"%d};\n\n",s25_n2(end));
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fprintf(fd,"s16 s25e_kHz_7_5[%d]__attribute__((aligned(16))) = {",length(s25_e2));
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fprintf(fd,"%d,",s25_e2(1:(end-1)));
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fprintf(fd,"%d};\n\n",s25_e2(end));
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fprintf(fd,"s16 s50n_kHz_7_5[%d]__attribute__((aligned(16))) = {",length(s50_n2));
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fprintf(fd,"%d,",s50_n2(1:(end-1)));
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fprintf(fd,"%d};\n\n",s50_n2(end));
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fprintf(fd,"s16 s50e_kHz_7_5[%d]__attribute__((aligned(16))) = {",length(s50_e2));
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fprintf(fd,"%d,",s50_e2(1:(end-1)));
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fprintf(fd,"%d};\n\n",s50_e2(end));
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fprintf(fd,"s16 s75n_kHz_7_5[%d]__attribute__((aligned(16))) = {",length(s75_n2));
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fprintf(fd,"%d,",s75_n2(1:(end-1)));
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fprintf(fd,"%d};\n\n",s75_n2(end));
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fprintf(fd,"s16 s75e_kHz_7_5[%d]__attribute__((aligned(16))) = {",length(s75_e2));
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fprintf(fd,"%d,",s75_e2(1:(end-1)));
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fprintf(fd,"%d};\n\n",s75_e2(end));
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fprintf(fd,"s16 s100n_kHz_7_5[%d]__attribute__((aligned(16)))= {",length(s100_n2));
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fprintf(fd,"%d,",s100_n2(1:(end-1)));
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fprintf(fd,"%d};\n\n",s100_n2(end));
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fprintf(fd,"s16 s100e_kHz_7_5[%d]__attribute__((aligned(16)))= {",length(s100_n2));
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fprintf(fd,"%d,",s100_e2(1:(end-1)));
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fprintf(fd,"%d};\n\n",s100_e2(end));
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fclose(fd);
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end
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function [s_n2, s_e2] = gen_sig(RB)
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% 20MHz BW
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cp0 = 160;
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cp = 144;
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cpe = 512;
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samplerate = 30.72e6;
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ofdm_size = 2048;
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len = 15360;
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switch(RB)
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case 6
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ratio = 1/16;
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case 15
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ratio = 1/8;
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case 25
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ratio = 1/4;
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case 50
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ratio = 1/2;
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case 75
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ratio = 3/4;
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case 100
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ratio = 1;
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otherwise
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disp("Wrong Number of RB");
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end
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cp0 = cp0*ratio;
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cp = cp*ratio;
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cpe = cpe*ratio;
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samplerate = samplerate*ratio;
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ofdm_size = ofdm_size*ratio;
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len = len*ratio;
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s_n0 = floor(32767*exp(-sqrt(-1)*2*pi*(-cp0:ofdm_size-1)*7.5e3/samplerate));
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s_n1 = floor(32767*exp(-sqrt(-1)*2*pi*(-cp:ofdm_size-1)*7.5e3/samplerate));
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s_n = [s_n0 s_n1 s_n1 s_n1 s_n1 s_n1 s_n1];
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s_n2 = zeros(1, 2*len);
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s_n2(1:2:end) = real(s_n);
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s_n2(2:2:end) = imag(s_n);
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s_e = floor(32767*exp(-sqrt(-1)*2*pi*(-cpe:ofdm_size-1)*7.5e3/samplerate));
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s_e = [s_e s_e s_e s_e s_e s_e];
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s_e2 = zeros(1, 2*len);
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s_e2(1:2:end) = real(s_e);
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s_e2(2:2:end) = imag(s_e);
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end
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