rx_deinterleave.m

来自「OFDM相关的维特比算法、BPSK调制等」· M 代码 · 共 19 行

function out_bits = rx_deinterleave(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;

single_deintlvr_patt = rx_gen_deintlvr_patt(interleaver_depth);

deintlvr_patt = interleaver_depth*ones(interleaver_depth, num_symbols);
deintlvr_patt = deintlvr_patt*diag(0:num_symbols-1);
deintlvr_patt = deintlvr_patt+repmat(single_deintlvr_patt', 1, num_symbols);
deintlvr_patt = deintlvr_patt(:);

out_bits(deintlvr_patt) = in_bits;