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/set_sim_consts.m

    function sim_consts = set_sim_consts

global sim_consts;

sim_consts = struct('SampFreq' , 20e6, ...
   'ConvCodeGenPoly', [1 0 1 1 0 1 1;1 1 1 1 0 0 1 ], ...
   'NumSubc', 52, ...
   'UsedSubcIdx', [7:32 34:59]', ...
   'ShortTrainingSymbols', sqrt(13/6)*[0 0 1+j 0 0 0 -1-j 0 0 0 1+j 0 0 0 -1-j 0 0 0 -1-j 0 0 0 1+j 0 0 0 0 0 0 -1-j 0 0 0 -1-j 0 0 0 ...
      1+j 0 0 0 1+j 0 0 0 1+j 0 0 0 1+j 0 0], ...
   'LongTrainingSymbols', [1 1 -1 -1 1 1 -1 1 -1 1 1 1 1 1 1 -1 -1 1 1 -1 1 -1 1 1 1 1 ...
      1 -1 -1 1 1 -1 1 -1 1 -1 -1 -1 -1 -1 1 1 -1 -1 1 -1 1 -1 1 1 1 1], ...
   'ExtraNoiseSamples', 500, ...
   'PilotScramble', [1 1 1 1 -1 -1 -1 1 -1 -1 -1 -1 1 1 -1 1 -1 -1 1 1 -1 1 1 -1 1 1 1 1 ...
      1 1 -1 1 1 1 -1 1 1 -1 -1 1 1 1 -1 1 -1 -1 -1 1 -1 1 -1 -1 1 -1 -1 1 1 1 1 1 -1 -1 1 ...
      1 -1 -1 1 -1 1 -1 1 1 -1 -1 -1 1 1 -1 -1 -1 -1 1 -1 -1 1 -1 1 1 1 1 -1 1 -1 1 -1 1 -1 ...
      -1 -1 -1 -1 1 -1 1 1 -1 1 -1 1 1 1 -1 -1 1 -1 -1 -1 1 1 1 -1 -1 -1 -1 -1 -1 -1], ...
   'NumDataSubc', 48, ...
   'NumPilotSubc' , 4, ...
   'DataSubcIdx', [7:11 13:25 27:32 34:39 41:53 55:59]', ...
   'PilotSubcIdx', [12 26 40 54]', ...
   'PilotSubcPatt', [6 20 33 47]', ...
   'DataSubcPatt', [1:5 7:19 21:26 27:32 34:46 48:52]', ...
   'PilotSubcSymbols' , [1;1;1;-1]);