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Joint Power Control and Adaptive Sleeping Policy for Cooperative Spectrum Sensing in CRN

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Abstract

In Cognitive Radio Network (CRN), as maximizing the throughput may increase the energy consumption, the spectrum sensing policy should balance the energy and throughput. So as to reserve the special right of the Primary User (PU), the secondary user (SU) is confronted with the tasks of the time to perceive a channel, how long would the sensing operation take, the time to shift from the channel and the time to transfer through an assigned channel. Hence in this paper, a joint power control and adaptive sleeping policy (JPCASP) is proposed for CRN. In this method, the maximum admissible transmit power is estimated from the signal to noise ratio values measured at the PU. Using the energy detection method with double bounds, a Local Decision Rule at each SU is gathered and checked. Finally, adaptive threshold regulation technique based on the estimated throughput is applied. Experimental results show that the proposed JPCASP has higher delivery ratio with reduced delay and energy consumption.

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Authors and Affiliations

  1. Department of Computer Science and Engineering, Velammal Institute of Technology, Chennai, India

    G. Indumathi

  2. Department of Electronics and Communication Engineering, SSN College of Engineering, Chennai, India

    V. Vaithianathan

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  1. G. Indumathi
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  2. V. Vaithianathan
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Correspondence to G. Indumathi.

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Indumathi, G., Vaithianathan, V. Joint Power Control and Adaptive Sleeping Policy for Cooperative Spectrum Sensing in CRN. Wireless Pers Commun 133, 1–13 (2023). https://doi.org/10.1007/s11277-023-10656-1

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  • DOI: https://doi.org/10.1007/s11277-023-10656-1

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