sim.asv

用于DVB的OFDM源代码.包含代码DVB_T2Ksignalgeneration.m OFDMReception.m OFDMTransmission.m等

clc
clear

%simulation of CE-OFDM-PM system
%Parameters
bits_per_ch=512
symbol_energy=1
channels=16
ch=channels
FFT_size=channels

hp=0.8/(2*pi)
Ac=sqrt(2/FFT_size)
ts=.001
%generating time signal
t=1:ts:bits_per_ch*2*ts+(1-ts)

%generating random data
data=binaryO(bits_per_ch,channels)
%16 Channels BPSK
BPSK_signal=zeros(ch,bits_per_ch*2)

for i=1:ch
    BPSK_signal(i,:)=BPSK_MOD(data(i,:),symbol_energy,i,ts);
end
%
%16 Channels of OFDM
OFDM_signal=zeros(ch,bits_per_ch*2)

for i=1:ch
    OFDM_signal(i,:)=OFDM_MOD(BPSK_signal(i,:),FFT_size)
end
%sum of each channel
OFDM_signal_sum=zeros(1,bits_per_ch*2)
for i=1:ch
    OFDM_signal_sum=OFDM_signal(i,:)+OFDM_signal((i+1),:)
end
plot(t,OFDM_signal_sum)
%
CE_OFDM_PM_signal=Phase_MOD(OFDM_signal_sum,bits_per_ch,FFT_size,ts)