A Survey and Performance Evaluation of Reinforcement Learning Based Spectrum Aware Routing in Cognitive Radio Ad Hoc Networks

Rashmi, Naveen Raj and Nayak, Ashalatha and Kumar, Sathish M (2019) A Survey and Performance Evaluation of Reinforcement Learning Based Spectrum Aware Routing in Cognitive Radio Ad Hoc Networks. International journal of Wireless Information Networks, 27. pp. 144-163. ISSN 1068-9605

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Cognitive radio technology is an assuring solution for under-utilization of licensed spectrum bands and overcrowding of unlicensed spectrum bands, in which secondary user is permitted to access the primary users’ spectrum in an opportunistic manner. Opportunistic access of the spectrum requires complex changes across all the layers of a network protocol stack. Cognitive radio has to be an autonomous agent in order to confgure itself to dynamic spectrum environment. And, the characteristics of reinforcement learning, a subfeld of artifcial intelligence in which the agent learns the surrounding operating environment through continuous interaction and takes an optimum decision on the fy, is in compliance with features of self-organized cognitive radio ad hoc network. Therefore, reinforcement learning is an appropriate option for incorporating intelligence and self-adaptivity into cognitive radio. This paper provides a comprehensive survey on the application of reinforcement learning for efcient spectrum aware routing in cognitive radio ad hoc network. The preliminaries of cognitive radio ad hoc networks and reinforcement learning are frst introduced, and a review is investigated in the proposed research area along with a discussion on open research challenges with an aim to promote research. From the survey, reinforcement learning incorporated cognitive radio can learn the unknown primary user network model and the learned model can be then used for fnding a suitable route to meet the Quality of Service requirements. With this in mind, the paper also proposes a multi-objective reinforcement learning based spectrum aware routing protocol with an aim to maximize the probability of successful transmission using a minimum hop path. The simulated results prove the performance of the algorithm.

Item Type: Article
Uncontrolled Keywords: Cognitive radio · Reinforcement learning · Cognitive radio ad hoc network · Opportunistic access · Artifcial intelligence · Spectrum aware routing protocol · Multi-objective
Subjects: Engineering > MIT Manipal > Computer Science and Engineering
Engineering > MIT Manipal > Electronics and Communication
Engineering > MIT Manipal > Information and Communication Technology
Depositing User: MIT Library
Date Deposited: 01 Jul 2020 10:49
Last Modified: 01 Jul 2020 10:49
URI: http://eprints.manipal.edu/id/eprint/155424

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