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%7/16/2008  ZHANGSONG
%RayleighCH.m
%根據論文《改進型JAKES模型在OFDM系統中的仿真》編寫的信道模型
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function H=RayleighCH()
N=30;
nn=1:N;
S=(rand(1,N)-0.5)*2*pi;
F=(rand(1,N)-0.5)*2*pi;
G=(rand(1,N)-0.5)*2*pi;
A=(2*pi*N-pi+S)/4*N;
C1=cos(G).*cos(2*pi*cos(A)+F);
C2=sin(G).*cos(2*pi*cos(A)+F);
H1=sum(C1)*2/sqrt(N);
H2=sum(C2)*2/sqrt(N);
H=H1+j*H2;