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% Plot some results from FSK LLR tests
% Assume array "res" contains rows of simulation results:::
% Eb Ec M Ltype Nbits Nerr BERraw
% (some uncoded rows might contain -1 to indicate val is not applicable)
figure(102); clf; hold on;
%uncoded results
sub = res(res(:,4)==-1 & res(:,3)==2, :)
semilogy(sub(:,1), sub(:,7), 'k+--')
sub = res(res(:,4)==-1 & res(:,3)==4, :)
semilogy(sub(:,1), sub(:,7), 'k--')
leg=[];
% coded results
for M = [2 4 ]
if M==2, lt = '-+'; else lt='-x'; end
sub = res(res(:,4)==1 & res(:,3)==M, :)
if length(sub)>0,
semilogy(sub(:,1), sub(:,6)./sub(:,5), ['k' lt])
leg= [leg; 'Orig LLRs'];
end
sub = res(res(:,4)==2 & res(:,3)==M, :)
if length(sub)>0,
semilogy(sub(:,1), sub(:,6)./sub(:,5), ['g' lt])
leg= [leg; ' PDF LLRs'];
end
sub = res(res(:,4)==3 & res(:,3)==M, :)
if length(sub)>0
semilogy(sub(:,1), sub(:,6)./sub(:,5), ['b' lt])
leg= [leg; ' HD LLRs'];
end
sub = res(res(:,4)==4 & res(:,3)==M, :)
semilogy(sub(:,1), sub(:,6)./sub(:,5), ['m' lt])
leg= [leg; ' CML LLRs'];
endfor
ylabel('BER')
xlabel('Eb/N0 (Info Bits; dB)')
title('MFSK LLR test (+is 2FSK, xis 4FSK')
legend(leg)
legend('boxoff');
if exist('plotname'), print -dpng plotname; disp('saved'); end
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