www.gusucode.com > ofdm结合2x2的m.. > ofdm结合2x2的m...构的WLAN环境数据传输仿真程序matlab版,包括信道估计和同步等模块/rx_qam16_demod.m
% function soft_bits = rx_qam16_demod(rx_symbols) soft_bits = zeros(4*size(rx_symbols,1), size(rx_symbols,2)); % Each symbol consists of 4 bits bit0 = real(rx_symbols); bit2 = imag(rx_symbols); bit1 = 2/sqrt(10)-(abs(real(rx_symbols))); bit3 = 2/sqrt(10)-(abs(imag(rx_symbols))); soft_bits(1:4:size(soft_bits,1),:) = bit0; soft_bits(2:4:size(soft_bits,1),:) = bit1; soft_bits(3:4:size(soft_bits,1),:) = bit2; soft_bits(4:4:size(soft_bits,1),:) = bit3;