ovsfspread.m

这是一个wcdma下行功率控制仿真的源代码

function [mux,codes] = OVSFSpread(i_input,q_input,logsf,ovsfn)

Len = length(i_input);
if rem(Len,2) ~= 0
   error('source variance invalid!');
end

H=ovsfgen(logsf);
codes=H(ovsfn,:);
muxi = kron(i_input,codes);
muxq = kron(q_input,codes);
%muxi = muxi/(sum(abs(muxi).^2)/(length(muxi))*sqrt(length(codes)));
%muxq = muxq/(sum(abs(muxq).^2)/(length(muxq))*sqrt(length(codes)));
mux = complex(muxi,muxq);
%mux = mux./abs(mux);
Len1 = length(muxi);
Len2 = length(muxq);
%muxi = muxi
if Len1 ~= Len2
   error('spread I & Q doesn''t match!');
end