下一代WiMedia超宽带系统性能评价

2009 Australasian Telecommunication Networks and Applications Conference (ATNAC) Pub Date : 2009-11-01 DOI:10.1109/ATNAC.2009.5464777

Jee-Hoon Kim, Jeong-Chul Shin, Hyoung-Kyu Song

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引用次数: 2

摘要

WiMedia超宽带(UWB)系统以其低成本、低功耗、高传输能力等特点受到了广泛的关注。它的数据速率高达480 Mbps，通过双载波调制(DCM)实现，DCM使用两个不同映射的16正交调幅(QAM)星座来获得频率分集。另一方面，最近WiMedia UWB考虑了一种新版本的DCM，以满足对更高速度传输的日益增长的要求。然而，文献中并没有相关的研究文章。本文提出了两种基于M-ary QAM的DCM (M-DCM)星座映射规则，并评估了它们在M=256时的误码率(BER)性能。仿真结果表明了256-DCM在下一代WiMedia UWB系统中的可行性和适用性。

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 evaluation of next generation WiMedia UWB system

WiMedia ultra-wideband (UWB) system has been given much attention because of its outstanding features including low cost, low power consumption, and high transmission capability. Its data rate up to 480 Mbps is enabled through dual carrier modulation (DCM) which uses two differently mapped 16 quadrature amplitude modulation (QAM) constellations to acquire frequency diversity. On the other hand, recently WiMedia UWB considered a new version of DCM to meet the increasing requirement for higher speed transmission. However, there are no related research articles in the literature. In this paper, we propose two constellation mapping rules for M-ary QAM based DCM (M-DCM) and evaluate their bit error rate (BER) performances in case of M=256. Simulation results show the possibility and suitability of 256-DCM for the next generation WiMedia UWB system.

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2009 Australasian Telecommunication Networks and Applications Conference (ATNAC)

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