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Low-complexity concatenated two-state TCM schemes with near-capacity performance

机译:具有近容量性能的低复杂度串联二态TCM方案

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摘要

This paper presents a family of concatenated two-state trellis-coded modulation (CT-TCM) schemes. Compared with the existing turbo-type bandwidth-efficient coded modulation schemes, the proposed codes have significantly reduced complexity without sacrificing performance. A joint design strategy for all component codes is established. This leads to so-called asymmetrical and time-varying trellis structures, which possess good Hamming and Euclidean distance distributions. The performance of the proposed codes is demonstrated by simulation results.
机译:本文提出了一系列的串联二态网格编码调制(CT-TCM)方案。与现有的turbo型带宽有效编码调制方案相比,所提出的编码在不牺牲性能的情况下具有显着降低的复杂度。建立了所有组件代码的联合设计策略。这导致了具有良好汉明和欧几里得距离分布的所谓不对称且时变的网格结构。仿真结果证明了所提出代码的性能。

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