close all;
clc;

figure;
SNR = 3:3:18;
BER0=[0.259962890625000,0.198233398437500,0.140309570312500,0.0861953125000000,0.0524892578125000,0.0275849609375000];    %未編碼
semilogy(SNR,BER0,'o-k','linewidth',2);
hold on;


BER1 = [0.427220238095238,0.346333333333333,0.198801587301587,0.0599265873015873,0.0112519841269841,0.00111309523809524];   % 硬判決，兩種交織
semilogy(SNR,BER1,'*-.r','linewidth',2);
hold on;

BER2 = [0.416697265625000,0.332042968750000,0.181906250000000,0.0507714843750000,0.00869531250000000,0.000880859375000000];   % 2bit量化
semilogy(SNR,BER2,'+--g','linewidth',2);
hold on;

BER3 = [0.400755859375000,0.291166015625000,0.128990234375000,0.0285468750000000,0.00418164062500000,0.000347656250000000];  % 3bit量化
semilogy(SNR,BER3,'h--g','linewidth',2);
hold on;

BER8 = [0.378333984375000,0.226810546875000,0.0670761718750000,0.00726171875000000,0.000458984375000000,1.99218750000000e-05]; % 8bit量化
semilogy(SNR,BER8,'s--g','linewidth',2);

BER = [0.384902777777778,0.230017857142857,0.0675138888888889,0.00725793650793651,0.000438492063492064,1.66948853615520e-05];          %無窮bit量化
semilogy(SNR,BER,'^-.b','linewidth',2);
hold on;


legend('\fontsize{12}No Channel Coding','\fontsize{12}Hard decoding','\fontsize{12}Soft decoding Q=2','\fontsize{12}Soft decoding Q=3','\fontsize{12}Soft decoding Q=8',...
    '\fontsize{12}Unquant decoding with CSI','Location','SouthWest');
xlabel('\fontsize{14}SNR/dB');
ylabel('\fontsize{14}BER');
grid on;

% figure;