www.gusucode.com > 基于VBLAST-OFDM的MATLAB SIMULATION，图形化界面，并且给出了各仿真图 > 基于VBLAST-OFDM的MATLAB SIMULATION，图形化界面，并且给出了各仿真图/vblast-ofdm simulation/tx_gen_intlvr_patt.m

    
function idx = tx_gen_intlvr_patt(interleaver_depth, SimulationParameters)

global SimulationConstants;

n_syms_per_ofdm_sym = SimulationParameters.FFTPoints;

idx=zeros(1,interleaver_depth);

s = max([interleaver_depth/n_syms_per_ofdm_sym/2 1]);

intlvr_patt = interleaver_depth/16*rem(0:interleaver_depth-1,16) + floor((0:interleaver_depth-1)/16);

perm_patt = s*floor(intlvr_patt/s)+ ...
   mod(intlvr_patt+interleaver_depth-floor(16*intlvr_patt/interleaver_depth),s);

idx = perm_patt+1;