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Singular Value Decomposition-Based Algorithm for IEEE 802.11a Interference Suppression in DS-UWB Systems Shaoyi XU Zhiquan BAI Qinghai YANG Kyung Sup KWAK Publication IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Vol.E89-A No.7 pp.1913-1918 Publication Date: 2006/07/01 Online ISSN: 1745-1337 DOI: 10.1093/ietfec/e89-a.7.1913 Print ISSN: 0916-8508 Type of Manuscript: Special Section PAPER (Special Section on Multi-dimensional Mobile Information Networks) Category: Keyword: direct sequence ultra wideband (DS-UWB), narrow band interference (NBI), singular value decomposition (SVD), Full Text: PDF(367KB)>>
Summary: Coexisting with many concurrent narrowband services, the performance of UWB systems will be affected considerably by them. Specifically, IEEE 802.11a systems which operate around 5 GHz and overlap the band of UWB signals will interfere with UWB systems significantly. In this paper, a novel narrow-band interferences (NBI) suppression technique based on singular value decomposition (SVD) algorithm for a direct sequence ultra-wideband (DS-UWB) communication system is presented. SVD is used to approximate the interferences which then are subtracted from the received signals. The proposed technique is simple and robust. Simulation results show that the proposed new technique is very effective. | ||||||||||
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