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    题名: Optimum detection location-based cooperative spectrum sensing in cognitive radio
    作者: Zhang, H.;Wang, X.;Kuo, G.-S.;Bohnert, T.M.
    郭更生
    贡献者: 企管系
    日期: 2010
    上传时间: 2015-05-21 15:10:46 (UTC+8)
    摘要: Cognitive radio arises as a hot research issue in wireless communications recently, attributed to its capabil-ity of enhancing spectral efficiency and catering for the growing demand for bandwidth. As a good embodiment of cognitive radio`s unique feature, i.e. making use of every bit spectral resource, spectrum sensing plays a vital role in the implementation of cognitive radio. To alleviate negative effect on cooperative spectrum sensing brought by bit errors, we introduce a novel concept, i.e. Optimum Detection Location (ODL) and present two algorithms of different computational complexity for locating ODL, together with an ODL-Based cooperative spectrum sensing scheme, with the motivation to exploit the gain derived from geographic advantages and multiuser diversity. Numerical and simulation results both demonstrate that our proposed spectrum sensing scheme can significantly improve the sensing performance in the case of reporting channel with bit errors.
    關聯: Radioengineering, Volume 19, Issue 4, Pages 552-560
    数据类型: article
    显示于类别:[企業管理學系] 期刊論文

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