function BER_PerRx=countBER_PerRx(X_Decode,X_bit)
[antenna_Rx N_bit]=size(X_Decode);
Biterror=zeros(1,antenna_Rx);
for i=1:antenna_Rx
    for j=1:N_bit
        if X_Decode(i,j)~=X_bit(i,j)
            Biterror(i)=Biterror(i)+1;
        end
    end
end
BER_PerRx=Biterror/N_bit;