Fuzzy logic based cluster head election led energy efficiency in history assisted cognitive radio networks

Safdar, G. A., Syed, T. S. and Ur-Rehman, M. (2022) Fuzzy logic based cluster head election led energy efficiency in history assisted cognitive radio networks. IEEE Sensors Journal, 22(22), pp. 22117-22126. (doi: 10.1109/jsen.2022.3212267)

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The performance and the network lifetime of cooperative spectrum sensing (CSS) infrastructure-based cognitive radio (CR) networks are hugely affected by the energy consumption of the power-constrained CR nodes during spectrum sensing, followed by data transmission and reception. To overcome this issue and improve the network lifetime, clustering mechanisms with several nodes inside a single cluster can be employed. It is usually the cluster head (CH) in every cluster that is responsible for aggregating the data collected from individual CR nodes before it is being forwarded to the base station (BS). In this article, an energy-efficient fuzzy logic-based clustering (EEFC) algorithm is proposed, which uses a novel set of fuzzy input parameters to elect the most suitable node as CH. Unlike most of the other probabilistic as well as fuzzy logic-based clustering algorithms, EEFC increments the fuzzy input parameters from three to four to obtain improved solutions employing the Mamdani method for fuzzification and the Centroid method for defuzzification. It ensures that the best candidate is selected for the CH role by obtaining the crisp value from the fuzzy logic rule-based system. While compared to other well-known clustering algorithms such as low-energy adaptive clustering hierarchy (LEACH), CH election using fuzzy logic (CHEF), energy-aware unequal clustering using fuzzy logic (EAUCF), and fuzzy logic-based energy-efficient clustering hierarchy (FLECH), our proposed EEFC algorithm demonstrates significantly enhanced network lifetime where the time taken for first node dead (FND) in the network is improved. Moreover, EEFC is implemented in the existing history-assisted energy efficient infrastructure CR network to analyze and demonstrate the overall augmented energy efficiency of the system.

Item Type:Articles
Glasgow Author(s) Enlighten ID:Ur Rehman, Dr Masood
Authors: Safdar, G. A., Syed, T. S., and Ur-Rehman, M.
College/School:College of Science and Engineering > School of Engineering > Autonomous Systems and Connectivity
Journal Name:IEEE Sensors Journal
ISSN (Online):1558-1748
Published Online:11 October 2022
Copyright Holders:Copyright © 2022 IEEE
First Published:First published in IEEE Sensors Journal 22(22):22117-22126
Publisher Policy:Reproduced in accordance with the copyright policy of the publisher

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