Comparison of BER and SNR between OFDM and f-ofdm in MATLAB
2018-05-04
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Clear; CLC; s = RNG (211); & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp;% sets the repeatability of RNG state numfft = 1024; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp;% number of FFT points numrbs = 50; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp;% number of resource blocks rbsize = 12; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp;% number of subcarriers per resource block cplen =72; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp;% the length of cyclic prefix in the sample bitspersubcarrier = 6; & nbsp;% 2: QPSK, 4: 16QAM, 6: 64QAM, 8: 256qamsnrdb = - 18; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp;% SNR tone offset in DB = 2.5; & nbsp; & nbsp; & nbsp;% tone offset or excess bandwidth (in subcarrier) l = 513; &Nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp;% filter length (= filter order + 1), odd numdatacarriers = numrbs * rbsize; & nbsp; & nbsp;% the number of data subcarriers in the subband, halffilter = floor (L / 2); n =- halfFilt:halfFilt;% Sinc function prototype filter Pb = sinc ((numdatacarriers + 2 * toneoffset). * n. / numfft);% sinc truncation window w = (0.5 * (1 + C)
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