%%?Signal?values?and?constellation?diagram?for?DCO-OFDM
clear?all;close?all;clc;
N?=?16;%?no.?OFDM?subcarriers
NCP?=?4;?%?CP?length
NOFDM?=?1;?%?no.transmitted?OFDM?symbols
EbN0dB_sim?=?10;?%SNR?（dB）
QPSK_sig_set?=?[1+i?-1+i?1-i?-1-i];?%QPSK?signal?set
h?=?0.4.^（0:4）;?%?discrete-time?CIR
DC_bias?=?1;?%?DC?bias

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
EbN0_sim?=?10^（EbN0dB_sim/10）;?%SNR?for?simulation
N0_sim?=?（mean（abs（QPSK_sig_set）.^2）/2）/EbN0_sim;?%?N0
b?=?round（rand（1?2*NOFDM*（N/2?-?1）））;?%?info?bits
bp1?=?b（1:2:length（b））;
bp2?=?b（2:2:length（b））;
m?=?2*bp1+bp2+1;?%indices?for?QPSK?signal?points
S?=?QPSK_sig_set（m）;?%transmitted?signal?points
S2?=?[];?s?=?[];
for?j?=?1:NOFDM
???tmp?=?S（（j-1）*（N/2-1）+1:j*（N/2-1））;
???S2?=?[S2?0?tmp?0?fliplr（conj（tmp））];
???tmp?=?max（s

?屬性????????????大小?????日期????時間???名稱
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?????文件????????2766??2020-11-23?17:50??New?folder?（2）\DCO_OFDM.m