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Unifying Analysis and Design of Rate-Compatible Concatenated Codes

机译:速率兼容级联码的统一分析与设计

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摘要

An improved concatenated code structure, which generalizes parallel and serially concatenated convolutional codes is presented and investigated. The structure is ideal for designing low-complexity rate-compatible code families with good performance in both the waterfall and error floor regions. As an additional feature, the structure provides a unified analysis and design framework, which includes both parallel and serially concatenated codes as particular cases. We derive design criteria for the generalized class of concatenated convolutional codes based on union bounds for the error probability and extrinsic information transfer (EXIT) charts for the decoding threshold.
机译:提出并研究了一种改进的级联码结构,该结构概括了并行和串行级联的卷积码。该结构是设计低复杂度速率兼容代码系列的理想选择,这些代码系列在瀑布和错误基底区域均具有良好的性能。作为一个附加功能,该结构提供了一个统一的分析和设计框架,在特定情况下,它包括并行和串行连接的代码。我们基于错误概率的并集边界和解码阈值的外在信息传递(EXIT)图,推导了一般级联卷积码的设计标准。

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