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논문 기본 정보

저자정보
(Kyung Hee University) (Kyung Hee University) (Kyung Hee University)
저널정보
대한전자공학회 대한전자공학회 학술대회 2013년도 대한전자공학회 추계종합학술대회
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    초록·키워드

    Fuzzy logic has a great potential to improve the throughput of the brain empowered cognitive radio network (CRNs). Cognitive radio-enabled users are called secondary users (SUs) while the license users are called the primary users (PUs). SUs exploit the white spaces opportunistically available in license channels. SU have to immediately vacate the license channel and switch to some other available channel as PU arrival is detected or interference with PU goes beyond a predefined limit. Performance of SU severely degrades if successive channel switching happens; furthermore taking the channel witching decisions based on crisp logic is not suitable approach in brain empowered CRNs where sensing information is not only imprecise and inaccurate but also involve a major factor of uncertainty. In this paper, we deal channel selection and switching jointly and propose a fuzzy logic-based channel selection and switching decision system for enhancing the throughput of the CRNs. Our system reduces the SU channel switching rate as well as channel selection is more adaptable for CRNs.

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      UCI(KEPA) : I410-ECN-0101-2015-560-001003121