Description: a OFDM symbol 128 effective symbols, insert 128 virtual sub-carrier
symbol rate (i.e. valid data rate), and fsymbol sending rate (need to include virtual sub-carrier) 2fsymbol
input data need 2 times the sending data rate for interpolation, realize a timing tracking, namely fsymbol sampling rates four times the modulation signal
OFDM symbol Nfft = 128 points
a OFDM symbol of data points Nfft* 2 = 256, Guard Interval point = Ng* 2 = 64
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File list (Check if you may need any files):
OFDM_rece_matlab
................\data_I_train_word_1_i0_256.txt
................\data_I_train_word_2_i0_256.txt
................\data_I_train_word_re_i0_256.txt
................\data_Q_train_word_1_i0_256.txt
................\data_Q_train_word_2_i0_256.txt
................\data_Q_train_word_re_i0_256.txt
................\OFDM_mod_I_ser_2up_sam_50.dat
................\OFDM_mod_original_data_I_ser_2up_sam_50.dat
................\OFDM_mod_original_data_Q_ser_2up_sam_50.dat
................\OFDM_mod_Q_ser_2up_sam_50.dat
................\v06_03_dem_2up_arrange.m
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