gusucode.com > 对fdma和scfdma仿真性能的比较,可以清晰具体的比较峰均比的性能 > code/symbals.m
% 1. Generate data M = 4; no_of_data_points = 16; input = randsrc(1,no_of_data_points, 0:M-1); % 2. Modulation msg_tx = pskmod(input, M); msg_tx1=fft(msg_tx); ifdmamap=zeros(4*16); ofdmpsk=zeros(4*16); for ii=0:15 ifdmamap(1+ii*4)=msg_tx1(ii+1); ofdmpsk(1+ii*4)=msg_tx(ii+1); end lfdmamap=zeros(4*16); for ii=1:16 lfdmamap(ii)=msg_tx1(ii); end % 4. 64-point IFFT ifdmamap1=ifft(ifdmamap); lfdmamap1=ifft(lfdmamap); ofdmsymbals=ifft(ofdmpsk); figure(1) plot(abs(ofdmsymbals));grid on;xlabel('Data');ylabel('Amplitude');title('OFDMA symbals') figure(3) plot(abs(ifdmamap1));grid on;xlabel('Data');ylabel('Amplitude');title('IFDMA symbals') figure(4) plot(abs(lfdmamap1));grid on;xlabel('Data');ylabel('Amplitude');title('LFDMA symbals')