This thesis puts importance on designing joint source-channel coding scheme based on layered coding and unequal error protected.

重点研究了基于不等差错保护思想的信源与信道联合编码的设计。

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Joint source coding and channel coding is a developing field, many problem in this field need to be resolved, especially about mobile communication.

信源信道联合编码技术是方兴未艾的一个研究领域，拓展到移动通信上，联合编码技术还有很多问题值得研究。

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In view of joint source-channel coding, a joint coding theorem for ergodic discrete source and discrete memoryless channel is presented.

以联合编码的观点讨论了离散平稳各态历经信源及离散无记忆信道的联合编码系统实现无失真可靠通信的充要条件。

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