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Sliding-Window Superposition Coding: Two-User Interference Channels

机译：滑动窗口叠加编码：双用户干扰通道

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摘要

A low-complexity coding scheme is developed to achieve the rate region of maximum likelihood decoding for interference channels. As in the classical rate-splitting multiple access scheme by Grant, Urbanke, and Whiting, the proposed coding scheme uses superposition of multiple codewords with successive cancellation decoding, which can be implemented using standard point-to-point encoders and decoders. Unlike rate-splitting multiple access, which is not rate-optimal for multiple receivers, the proposed coding scheme transmits codewords over multiple blocks in a staggered manner and recovers them successively over sliding decoding windows, achieving the single-stream optimal rate region as well as the more general Han-Kobayashi inner bound for the two-user interference channel. The feasibility of this scheme in practice is verified by implementing it using commercial channel codes over the two-user Gaussian interference channel.
机译：开发出低复杂性编码方案以实现干扰通道的最大似然解码的速率区域。与授权，Urbanke和Whiting的经典速率分配多个访问方案一样，所提出的编码方案使用具有连续取消解码的多个码字的叠加，这可以使用标准点对点编码器和解码器来实现。与对多个接收器没有速率的速率分离多个访问不同，所提出的编码方案以交错的方式在多个块上发送码字，并在滑动解码窗口上连续恢复它们，实现单流最佳速率区域以及对于双用户干扰频道，汉族内沙内内部越普通。通过在双用户高斯干扰通道上使用商业信道代码来实现该方案在实践中的可行性。

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