10.m

维特比编解码

   cla;
	load('vitsimresults.mat');
	semilogy(SNRpBit,expVitBER,'g-',SNRperBit, ratio,'b*-'); xlabel('Eb/No (dB)'); ylabel('BER');
    title('Performance for R=1/2, K=7 Conv. Code and QPSK with Hard Decision' ); grid on;
    axis([4 8 10e-7 10e-3]);  legend('Union Bound','Simulation Results',0);