training_symbol.m

任意发送天线

function tx_training_symbols=training_symbol(Nt,carrier_count)

j=sqrt(-1);
Wk=exp((-2*pi/carrier_count)*i);
training_symbols= [ 1 j j 1 -1 -j -j -1 1 j j 1 -1 -j -j -1 1 j j 1 -1 -j -j -1 1 j j 1 -1 -j -j -1 1 j j 1 -1 ...
                    -j -j -1 1 j j 1 -1 -j -j -1 1 j j 1 -1 -j -j -1 1 j j 1 -1 -j -j -1 1 j j 1 -1 -j -j -1 1 ...
                    j j 1 -1 -j -j -1 1 j j 1 -1 -j -j -1 1 j j 1 -1 -j -j -1 1 j j 1 ]';
tx_training_symbols=[];      
for ii=1:carrier_count
  training_symbols_buf=[];   
  for jj=1:Nt
  training_symbols_buf=[training_symbols_buf,Wk^(-floor(carrier_count/Nt)*(jj-1)*ii)*training_symbols(ii,1)];
  end
  tx_training_symbols=[tx_training_symbols;training_symbols_buf];
end