Optimal Number of Cognitive Users in K-out-of-M Rule

Banavathu, N R and Khan, Mohammed Zafar Ali (2017) Optimal Number of Cognitive Users in K-out-of-M Rule. IEEE Wireless Communications Letters, 6 (5). pp. 606-609. ISSN 2162-2337

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Abstract

In this letter, we obtain a generalized expression for the optimal number of cognitive users (CUs), M, for the K-out-of-M rule that minimizes the Bayes risk at the fusion center (FC) over noisy control channels. We show that many existing and new results for optimal M are special cases of the proposed solution. Numerical results are presented using energy detector. However, the expressions for optimal M obtained in this letter are applicable to any detector used in cooperative spectrum sensing.

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IITH Creators:
IITH CreatorsORCiD
Khan, Mohammed Zafar AliUNSPECIFIED
Item Type: Article
Uncontrolled Keywords: Cognitive radio, Bayes risk function, noisy control channel, number of cognitive users.
Subjects: Computer science
Others > Telecommunication
Electrical Engineering > Electrical and Electronic
Divisions: Department of Electrical Engineering
Depositing User: Team Library
Date Deposited: 06 Jul 2017 09:56
Last Modified: 07 Nov 2017 04:37
URI: http://raiith.iith.ac.in/id/eprint/3348
Publisher URL: https://doi.org/10.1109/LWC.2017.2721946
OA policy: http://www.sherpa.ac.uk/romeo/issn/2162-2337/
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