A novel structure of combing two-level coding and 8psk modulation is proposed in this paper.
提出了一种将两级编码与8psk结合的新型编码结构。
On the sending end, the paper focuses on Error Control Coding, Waveform Shaping, Spread Spectrum and 8PSK modulation, etc.
在发送端，主要研究了差错控制编码，波形成形、扩频和8PSK调制等关键技术；
Their performance is compared with that of binary LDPC codes with same coding rates over AWGN channel by BPSK modulation and 8psk modulation.
同时，与等价编码速率的二进制ld P C码进行了性能比较，分析了多进制ldpc码的纠错性能和译码复杂度。
Their performance is compared with that of binary LDPC codes with same coding rates over AWGN channel by BPSK modulation and 8psk modulation.
同时，与等价编码速率的二进制ld P C码进行了性能比较，分析了多进制ldpc码的纠错性能和译码复杂度。
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