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arXiv 0901.2396cs.ITmath.IT
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并行高斯信源的应用层联合信源-信道编码

Joint Source-Channel Coding at the Application Layer for Parallel Gaussian Sources

Ozgun Y. Bursalioglu, Maria Fresia, Giuseppe Caire, H. Vincent Poor

摘要:

本文研究了独立并行高斯信源在二进制删除广播信道上的多播问题。多分辨率嵌入量化器和分层联合信源-信道编码方案的使用,以同时服务于多个用户在不同的信道容量。率失真函数的凸性质,通过反向注水计算,使我们能够解决相应的凸优化问题,对应于不同的性能标准。然后,分层联合信源信道编码的基础上级联的嵌入式标量量化器与二进制无比率编码器的构造。

英文摘要:

In this paper the multicasting of independent parallel Gaussian sources over a binary erasure broadcasted channel is considered. Multiresolution embedded quantizer and layered joint source-channel coding schemes are used in order to serve simultaneously several users at different channel capacities. The convex nature of the rate-distortion function, computed by means of reverse water-filling, allows us to solve relevant convex optimization problems corresponding to different performance criteria. Then, layered joint source-channel codes are constructed based on the concatenation of embedded scalar quantizers with binary rateless encoders.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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