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首页> 外文期刊>Wireless Communications Letters, IEEE >A Novel Weight Coefficient PEG Algorithm for Ultra-Reliable Short Length Analog Fountain Codes
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A Novel Weight Coefficient PEG Algorithm for Ultra-Reliable Short Length Analog Fountain Codes

机译:超可靠的短长度模拟源代码的一种新的权重系数PEG算法

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摘要

The stringent requirements of ultra-reliable and low latency communication (URLLC) services is the most challenging feature of fifth generation systems. The design and optimization of efficient short length codes is essential for URLLC. This letter investigates a novel weight coefficient progressive edge-growth (WCPEG) algorithm to construct ultrareliable analog fountain codes (AFCs) in the short length regime. Our WCPEG AFC can approach the normal approximation benchmark by eliminating the small girth cycles in the encoding Tanner graph. We first analyze the properties of short length AFC, and then present the comprehensive description and theoretical identification of the WCPEG AFC algorithm. Simulation results demonstrate the superior performance of WCPEG AFC in the short length regime.
机译:超可靠和低延迟通信(URLLC)服务的严格要求是第五代系统最具挑战性的功能。有效的短码的设计和优化对于URLLC至关重要。这封信调查了一种新颖的权重系数渐进边缘增长(WCPEG)算法,以在短长度范围内构造超可靠的模拟喷泉代码(AFC)。我们的WCPEG AFC可以消除编码的Tanner图中的小周长周期,从而接近正常的近似基准。我们首先分析短长度AFC的特性,然后对WCPEG AFC算法进行全面的描述和理论鉴定。仿真结果证明了WCPEG AFC在短长度状态下的优越性能。

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