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Local polynomial estimator for narrowband interference suppression in TH-UWB systems

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Abstract

Ultra-wideband (UWB) technology has been considered to offer an innovative solution for future short-range high-speed wireless communications. These systems use very low transmission power, spread over a bandwidth of several gigahertz. The very low transmission power and the large bandwidth used, enable UWB radio systems to co-exist with other narrowband systems over the same frequency band without interfering the narrowband systems. Nevertheless, these narrowband systems may cause interference which may jam the UWB receiver completely. Since standard narrowband interference suppression techniques are not applicable, techniques for interference suppression have to be developed. In this paper, the method of the local polynomial estimator in time-hopping impulse radio (TH-IR) for UWB communication is considered, which should not estimate any parameter of channel. And the narrowband interference (NBI) is modeled as a stationary process. Theoretical analysis of this algorithm reveals that it can eliminate the narrowband interference almost completely and can be computed by simple expression. Moreover, the sampling rate is very low.

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Authors and Affiliations

  1. Department of Mathematics, Sichuan University, Chengdu, 610064, China

    Yongdao Zhou, Hong Ma, Huiqi Wang & Wangyong Lv

  2. College of Mathematic and Software, Sichuan Normal University, Chengdu, 610066, China

    Wangyong Lv

Authors
  1. Yongdao Zhou
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  2. Hong Ma
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  3. Huiqi Wang
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  4. Wangyong Lv
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Correspondence to Yongdao Zhou.

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Zhou, Y., Ma, H., Wang, H. et al. Local polynomial estimator for narrowband interference suppression in TH-UWB systems. Wireless Pers Commun 43, 1379–1388 (2007). https://doi.org/10.1007/s11277-007-9312-1

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  • DOI: https://doi.org/10.1007/s11277-007-9312-1

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