共存超宽带系统间的干扰控制

2006 3rd International Conference on Broadband Communications, Networks and Systems Pub Date : 2006-10-01 DOI:10.1109/BROADNETS.2006.4374365

Yongjing Zhang, Haitao Wu, Qian Zhang, Ping Zhang

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引用次数: 1

摘要

本文研究了IEEE 802.15.3a标准下两种超宽带(UWB)系统的共存问题，即直接序列UWB和多波段正交频分复用UWB。通过物理层蒙特卡罗模拟分析了这两种共存情况下的相互干扰。由于两个系统之间的相互干扰，我们观察到严重和不对称的性能下降。因此，我们提出了基于good - put-oriented utility-based的发射功率控制(GUTPC)算法来提高性能。研究了GUTPC的可行条件和收敛性，并讨论了系数的选择，以保证算法的公平性和效率。数值结果表明，该方法能有效、公平地改善共存系统的性能。

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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Power control for interference mitigation between coexisting UWB systems

In this paper, we investigate the coexistence issue of two type of ultra-wideband (UWB) systems under IEEE 802.15.3a, i.e. Direct-Sequence UWB and MultiBand-Orthogonal Frequency Division Multiplexing UWB. The mutual interference of such coexistence scenarios is analyzed by physical layer Monte Carlo simulations. We observe severe and asymmetric performance degradation due to the mutual interference between the two systems. Therefore, we propose the goodput-oriented utility-based transmit power control (GUTPC) algorithm to improve the performance. The feasible condition and the convergence property of GUTPC are investigated, and the choice of the coefficients is discussed for fairness and efficiency. Numerical results demonstrate that GUTPC improves the goodput of the coexisting systems effectively and fairly.

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来源期刊

2006 3rd International Conference on Broadband Communications, Networks and Systems

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