基于UWB体域网络的虚拟MIMO性能评估

2013 7th International Symposium on Medical Information and Communication Technology (ISMICT) Pub Date : 2013-03-06 DOI:10.1109/ISMICT.2013.6521693

Jie Ding, E. Dutkiewicz, Xiaojing Huang

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引用次数: 3

摘要

对于基于脉冲无线电超宽带(IR-UWB)的无线体域网络(WBAN)系统来说，保证数据传输的可靠链路是一个重大挑战。为此，在本文中，我们开发了一种简单而有效的基于虚拟MIMO (VMIMO)的合作分集方案，该方案适用于由放大转发(AF)中继辅助的单天线发射机。据我们所知，这是第一篇在基于IR-UWB的WBAN系统中评估VMIMO性能的论文。理论分析表明，VMIMO不仅可以提供完整的空间分集，而且可以收集密集WBAN信道中包含的多径分集。初步的仿真结果表明，与单输入单输出(SISO) WBAN系统相比，VMIMO可以显著提高误码率(BER)性能。

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 virtual MIMO for UWB based body area networks

For impulse radio ultra wideband (IR-UWB) based wireless body area network (WBAN) systems, one of the significant challenges is to guarantee a reliable link for data transmission. For this purpose, in this paper, we develop a simple but effective virtual MIMO (VMIMO) based cooperative diversity scheme for a single antenna transmitter being aided by an amplify-and-forward (AF) relay. To the best of our knowledge, this is the first paper where performance of VMIMO is evaluated in IR-UWB based WBAN systems. The theoretical analysis reveals that VMIMO not only offers a full spatial diversity, but also can collect the multipath diversity contained in the dense WBAN channels. Preliminary simulation results show that VMIMO can provide a considerable improvement on bit error rate (BER) performance compared with the single-input single-output (SISO) WBAN systems.

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2013 7th International Symposium on Medical Information and Communication Technology (ISMICT)

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