Adaptive Quorum-based Channel-hopping Distributed Coordination Scheme for Cognitive Radio Networks
Esraa Al Jarrah, Haythem Bany Salameh, Ali Eyadeh

TL;DR
This paper introduces an adaptive, grid-based quorum channel-hopping algorithm for cognitive radio networks that dynamically adjusts to traffic loads, improving rendezvous probability and reducing time and energy costs.
Contribution
It presents a novel adaptive quorum-based scheme that enhances rendezvous efficiency by dynamically adjusting quorum sets based on network traffic conditions.
Findings
Reduces average time to rendezvous (TTR)
Increases probability of rendezvous (RDV)
Decreases energy consumption per successful RDV
Abstract
In this paper, we propose novel channel-hoppingbased distributed rendezvous algorithm based on grid-basedquorum techniques. The proposed algorithm increases the probability of rendezvous (RDV) within a single cycle by allowing CR nodes to meet more often according to intersection property of quorum systems (QSs). Our proposed algorithm is called Adaptive quorum-based channel-hopping distributed coordination scheme for cognitive radio networks. The main idea of our algorithm is to dynamically adjust the selected QS by CR users according to the varying traffic loads in the CRN. The proposed algorithm decreases the average time to rendezvous (TTR) and increase the probability of RDV. We evaluate the performance of our algorithm through simulations. The performance of our algorithm is compared with two different schemes. The results show that our algorithm can reduce TTR, increase the RDV,…
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