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/tx_interleaver.m
% Interleaver function interleaved_bits = tx_interleaver(in_bits, sim_options) global sim_consts; interleaver_depth = sim_consts.NumDataSubc * get_bits_per_symbol(sim_options.Modulation); num_symbols = length(in_bits)/interleaver_depth; % Get interleaver pattern for symbols single_intlvr_patt = tx_gen_intlvr_patt(interleaver_depth, sim_options); % Generate intereleaver pattern for the whole packet intlvr_patt = interleaver_depth*ones(interleaver_depth, num_symbols); intlvr_patt = intlvr_patt*diag(0:num_symbols-1); intlvr_patt = intlvr_patt+repmat(single_intlvr_patt', 1, num_symbols); intlvr_patt = intlvr_patt(:); % Perform interleaving interleaved_bits(intlvr_patt) = in_bits;