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資源簡介

主要根據3GPP的LTE標準,編寫并實現了LTE信號源的編程。涉及到OFDM,瑞利信號,高斯白噪聲。模擬的是從基站發射到中繼或UE接收到的信號

資源截圖

代碼片段和文件信息

function?OutSignal?=?channel(TimeSignalSNR)

if?SNR?
SigPow?=?std(TimeSignal); %find?the?signal?power
NoiseFac?=?10^(0-(SNR/20));
TimeSignal?=?TimeSignal?+?randn(1length(TimeSignal))*SigPow*NoiseFac;?
end

%================================
%Add?multipath
%================================
Multipath=[1?0?0.5?0?-0.3??0??0.1].*[1?0?1?0?1??0?1].*exp(j*2*pi*rand(17));
TimeSignal?=?filter(Multipath1TimeSignal); %add?multi?path?to?the?signal
OutSignal?=?TimeSignal;

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件?????????491??2020-07-27?13:20??channel.m
?????文件????????1060??2020-07-27?13:20??multipath_chann.m
?????文件????????2223??2020-07-27?13:20??OFDM.asv
?????文件????????2221??2020-07-27?13:20??ofdm.m
?????文件????????7834??2020-07-27?13:20??OFDM1.asv
?????文件????????7839??2020-07-27?13:20??OFDM1.m
?????文件????????1748??2020-07-27?13:20??rayleighnew.m
?????文件????????1066??2020-07-27?13:20??selec_rayleigh_test.m

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