set_sim_consts.m

OFDM系统的仿真代码MATLAB环境下

function sim_consts = set_sim_consts

global sim_consts;

sim_consts = struct('SampFreq' , 20e6, ...
   'ConvCodeRate', 1/2,...
   'PacketLength',1000,...
   'Modulation','16QAM',...
   'NumSubc', 52, ...
   'UseTxDiv',0,...
   'UseRxDiv',0,...
   'UseTxPA',0,...
   'InterleaveBits',1,...
   'UsedSubcIdx', [7:58]', ...
   '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', [8:19 21:32 34:45 47:58]'', ...
   'PilotSubcIdx', [7 20 33 46]', ...
   'PilotSubcPatt', [1 14 27 40], ...
   'DataSubcPatt', [2:13 15:26 28:39 41:52]', ...
   'PilotSubcSymbols' , [1;1;1;1],...
   'ChannelModel','Fast-variable',...
   'WindowFunction','chebyshev',...
   'ExpDecayTrms',0,...
   'TxPowerSpectrum',1,...
   'SNR',[0:5:10,12:2:20],...
   'UsePhaseNoise',1,...
   'RxTimingOffset',0,...
   'FineTimeSync',1);