scramsequence.m

本程序实现802.11a中扰码的生成,语言为matlab

function[x]=scramsequence(r) % 扰码函数,输入为常数,输出为127扰码的行向量

initialscramble=[1,0,1,1,1,0,1];
scramblingsequence=zeros(1,127);
temptmarix=zeros(127,8);
temptmarix(1,:)=[initialscramble(1:1:7),0];
for (k=1:1:127)% 产生标准扰码序列，参考m序列生成法，参考11a协议

    temptmarix(k,8)=rem(temptmarix(k,1)+temptmarix(k,4),2);
    scramblingsequence(k)=temptmarix(k,8);
    temptmarix(k+1,1:7)=temptmarix(k,2:8);
end

x=scramblingsequence;