WLAN应用中卷积码与分组turbo码的性能比较

Proceedings of the Fourth IEEE International Caracas Conference on Devices, Circuits and Systems (Cat. No.02TH8611) Pub Date : 2002-08-07 DOI:10.1109/ICCDCS.2002.1004115

J. Martins, A. Giulietti, M. Strum

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引用次数: 9

摘要

Turbo码以其优异的前向纠错性能成为信道编码研究的一个重要分支。它们基于串联代码和迭代解码，其中软输入/软输出(SISO)解码器在每次迭代中产生信息细化。在本文中，我们基于Hiperlan2和IEEE 802.11a标准(第三代无线局域网)对不同的工作模式应用turbo编码。我们研究了两种turbo编码方案(块turbo码和卷积turbo码)在应用于目标块大小和码率时的灵活性。对于btc，当将BCH代码与单个奇偶校验位连接时，发现了高速率和小块。实验结果表明，根据目标误码率的不同，每种编码方案都优于其他编码方案。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Performance comparison of convolutional and block turbo codes for WLAN applications

Turbo codes have become an important branch on channel coding research due to their exceptional performance on forward error correcting. They are based on concatenated codes and iterative decoding, where Soft Input/Soft Output (SISO) decoders produce an information refinement in each iteration. In this paper we apply turbo coding for different operating modes, based on the Hiperlan2 and IEEE 802.11a standards (third generation of WALNs). We studied the flexibility of two turbo coding schemes (Block Turbo Codes and Convolutional Turbo Codes) when applied to targeted block sizes and code rates. For BTCs, high rate and small blocks were found when concatenating a BCH code with a single parity check bit. Experimental results showed that each coding scheme outperforms the other depending on the targeted BER.

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Proceedings of the Fourth IEEE International Caracas Conference on Devices, Circuits and Systems (Cat. No.02TH8611)

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