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  • In Jour Smart Sensing And Intelligent Systems

 

Article

OPTIMAL TECHNIQUES FOR SENSING ERROR MINIMIZATION WITH IMPROVED ENERGY DETECTION IN COGNITIVE RADIOS

Spectrum sensing, the problem of detecting the presence of licensed user in the channel is considered in this paper. Energy detection is best suited for the spectrum sensing when prior knowledge about the primary users is unavailable. Existing works report improved versions of energy detection which primarily focuses on maximizing the detection performance. Sensing error minimization is an important aspect of spectrum sensing that needs attention. This paper focuses on the sensing error

K. Muthumeenakshi, S. Radha

International Journal on Smart Sensing and Intelligent Systems , ISSUE 4, 2014–2034

Research Article

SPECTRUM SENSING IN COGNITIVE RADIOS UNDER NOISE UNCERTAINTY: DECISION MAKING USING GAME THEORY

Energy detection is best suited for the detection of licensed users when prior knowledge about them is unavailable. However, the presence of noise uncertainty refrains the use of energy detection for spectrum sensing. In this paper, we propose a refined energy detection (RED) which used dual threshold in the presence of noise uncertainty, and combine the concepts from game theory to achieve further performance improvements. The secondary user payoff is defined based on the primary user activity

K. Muthumeenakshi, S. Radha

International Journal on Smart Sensing and Intelligent Systems , ISSUE 1, 146–173

Article

SPECTRUM SENSING ALGORITHM BASED ON ATSC DTV SIGNAL STRUCTURE

Yuliang Cong, Lijuan Xing, Jiaxing Bi

International Journal on Smart Sensing and Intelligent Systems , ISSUE 5, 2136–2154

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