Designing a Reactive Routing Protocol for Optimizing Channel Switching in Communication Networks

Document Type : Original Article

Authors

1 Master's degree, Shahid Bahonar University, Kerman, Iran

2 Associate Professor, Shahid Bahonar University, Kerman, Iran

3 Assistant Professor, Shahid Bahonar University, Kerman, Iran

Abstract

In cognitive radio networks, secondary users strive to exploit the frequency spectrum in the absence of primary users without causing interference through opportunistic access. However, the sudden return of primary users can cause serious interference and lead to an increase in channel switching in dynamic environments. Moreover, in platforms such as mobile ad hoc networks, user mobility adds to network instability and intensifies challenges such as routing. To address these challenges, this research presents a reactive routing protocol specifically designed for cognitive radio networks with mobile nodes. This protocol, by utilizing intersection analysis, mobility models, and advanced cognitive radio capabilities, results in a significant reduction in channel switching, decreased probability of interference between users, and optimal utilization of random channel access. Additionally, by eliminating dependency on a common control channel and increasing path stability through link expiration time calculation, it provides an efficient and cost-effective approach for establishing stable communications in dynamic networks.

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https://creativecommons.org/licenses/by/4.0/

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Electronic and Cyber Defense
Volume 12, Issue 4 - Serial Number 48
Winter
February 2025
Pages 1-12

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History

  • Receive Date: 27 June 2024
  • Revise Date: 28 November 2024
  • Accept Date: 12 January 2025
  • Publish Date: 01 February 2025

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