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has been cited by the following article:

• TITLE: Secure Cooperative Spectrum Sensing based on the Distance between Bodies of Evidence

  AUTHORS: Yi Wang, Yanjun Hu, Xiwen Tang, Yingguan Wang

  KEYWORDS: Cognitive Radio; Spectrum Sensing; Multiple Thresholds; Energy Detection; Evidence Theory

  JOURNAL NAME: International Journal of Communications, Network and System Sciences, Vol.5 No.1, December 31, 2011

  ABSTRACT: In cognitive radio (CR) networks, unlicensed secondary users need to conduct spectrum sensing to gain access to a licensed spectrum band. And cooperation among CR users will solve the problems caused by multipath fading and shadowing. In this paper, we propose a multi-threshold method at local nodes to cope with noises of great uncertainty. Functions of distance between bodies of evidence are used at fusion centre to make synthetic judgment. To guarantee security which is an essential component for basic network functions, we will take selfish nodes into account which try to occupy channels exclusively. The proposed technique has shown better performance than conventional algorithms without increase the system overhead.