5 . for different decoding algorithm and different signaling schemes , different quantization schemes are used . the nonuniform quantization method for the special property signal is put forward for the first time 系統(tǒng)地研究了turbo碼的各種迭代譯碼算法的原理,對算法中參數(shù)的取值進行了討論,并在awgn信道上進行了仿真比較。