面向1gbps的多频带OFDM超宽带系统的先进编码方案

CCNC 2006. 2006 3rd IEEE Consumer Communications and Networking Conference, 2006. Pub Date : 2006-02-13 DOI:10.1109/CCNC.2006.1593084

T. Lunttila, S. Iraji, H. Berg

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引用次数: 27

摘要

先进的编码方案，如并行连接之字形(PCZZ)和LDPC码被证明提供接近turbo码的性能。本文提出了一种基于16-QAM调制的MB-OFDM UWB系统的PCZZ和结构化LDPC编码，旨在将当前系统的数据速率提高到1gbps。我们评估了PCZZ和LDPC编码方案在这种系统中的性能。特别是，与卷积码相比，PCZZ和LDPC码在包错误率上提供了3-4 dB的增益。我们还讨论了这种系统在不同编码速率下的链路预算和可实现范围。所提出的PCZZ和结构化LDPC码可以被认为是未来多频段OFDM UWB系统的潜在信道编码方案，提供高达1gbps或更高的数据速率。

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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Advanced coding schemes for a multiband OFDM ultrawideband system towards 1 Gbps

Advanced coding schemes such as parallel concatenated zigzag (PCZZ) and LDPC codes are shown to provide performance close to turbo codes. In this paper we propose PCZZ and structured LDPC coding for an MB-OFDM UWB system with 16-QAM modulation aiming at increasing the data rate of the current system up to 1 Gbps. We evaluate the performance of the PCZZ and LDPC coding schemes in such a system. In particular, it is shown that the PCZZ and LDPC codes provide 3-4 dB gain in packet error rate compared to convolutional codes. We also address the link budget and achievable ranges for such a system with different coding rates. The proposed PCZZ and structured LDPC codes may be considered as a potential channel coding scheme for the future Multiband OFDM UWB systems providing data rates up to 1 Gbps or higher.

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CCNC 2006. 2006 3rd IEEE Consumer Communications and Networking Conference, 2006.

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