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Relay Selection-Based Physical-Layer Security Enhancement in Cooperative Wireless Network

  • Shamganth KumarapandianEmail author
  • Martin James Sibley
Conference paper
Part of the Advances in Intelligent Systems and Computing book series (AISC, volume 1049)

Abstract

Broadcast nature during the data propagation and wireless transmission from the source to destination node can be easily overheard by the unauthorised users due to security issues. It cause interception and is highly vulnerable to eavesdropping effect. In this paper, a hybrid algorithm is proposed to overcome the limitations in physical-layer security and achieve optimal local solution. Cooperative-based relay selection approach is proposed to enhance the network range and durability in wireless communication and double threshold-based relay selection scheme to improve the spectral efficiency and overall quality of the communication system. Furthermore, the hybrid evaluation algorithm enhances the performance parameters such as signal strength and channel capacity; also it minimises the number of nodes. The proposed relay selection scheme is compared with direct transmission, P-AFbORS, P-DFbORS schemes and it is observed that better results are achieved from the proposed multi-relay selection scheme as compared to other the existing relay selection schemes.

Keywords

Cooperative wireless communications Threshold-based relay selection Hybrid evaluation algorithm Physical-layer security 

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Copyright information

© Springer Nature Singapore Pte Ltd. 2020

Authors and Affiliations

  1. 1.School of Computing and EngineeringUniversity of HuddersfieldHuddersfieldUK

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