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Spectrum sensing is the active research area in the Cognitive radio networks that initiates the effective data sharing between the licensed and the unlicensed users of Cognitive Network. Maximizing the detection probability for a provided false alarm rate is a hectic challenge of most of the spectral sensing methods. The paper proposes a spectral sensing method, termed as Krill-Herd Whale optimization-based...
The working radio spectrum is a limited precious natural resource. The continuous demand for the available wireless spectrum is characterized by the in technology of wireless devices. Cognitive radio technology helps in this respect for using available spectrum optimally. A cognitive Radio (CR) is an intelligent radio that can be programmed and configured dynamically. It is an hybrid of software defined...
With the development in wireless communication in last few years, the problem of bandwidth shortage has become more noticeable. The studies made by FCC (Federal Communications Commission) indicated that large portion of the spectrum lies vacant most of the time and that portion is the licensed spectrum; which is utilized by licensed users only. So, to solve this problem of spectrum under-utilization,...
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