Sharnon bound 50. Rs245.23 (15.11 0. cc21w新 ubo(1024) iML decoding Golay(24,12) turbo(65536 B0H25,123) cc21, ce4均yVp.】 0 6 8 10 E/No (dB) Fig.4.1 Milestones in the drive towards channel capacity achieved over the past 50 years. 10 1 iteration 2iterations 401 iterations 3 iterations 10 181 10 1.5 E,N。indB Figure 4.2 Performance of a rate-1/2 binary turbo code with 16-state RSC codes as constituent codes.Block interleaver size =65536. 4-24-2 Fig. 4.1 Milestones in the drive towards channel capacity achieved over the past 50 years. Figure 4.2 Performance of a rate-1/2 binary turbo code with 16-state RSC codes as constituent codes. Block interleaver size = 65536. 0.5 1 1.5 2 10-7 10-6 10-5 10-4 10-3 10-2 10-1 100 Eb /No in dB BER 1 iteration 2 iterations 3 iterations 6 iterations 10 iterations 18 iterations