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Cooperative Key Establishment Protocol for Full-Duplex Relay Systems

Authors

  • Ali Mohamed Allam Helwan University

DOI:

https://doi.org/10.17762/ijcnis.v12i2.4589

Abstract

Using the fading channel characteristics, as a randomness source, for the secret key generation earns significant attention because of it’s computational less power and low energy consumption. Current researches focus on point-to-point reciprocal-based key extraction from these randomness sources. Most practical communication situations are non-line of sight, so endpoints use a relaying channel to improve communication performance. Besides that, in the upcoming 5G systems, the full-duplex (FD) communications will be one of the main techniques, which will remove the advantage of using the reciprocal feature in the randomness source common observation. In this paper, we consider the challenge of generating a symmetric secret key between two legitimate parties in the relaying channel with FD capability. We suggest an efficient key extraction protocol that accomplished an acceptable shared secret key rate compared to the direct channel traditional approach. Unlike similar schemes, we provide full statistical analysis for the construction of randomness source from the relaying channel with FD capability. Additionally, we investigate the performance analysis of the suggested key agreement protocol. We also analyze the effect of the curious-but-honest relay and an eavesdropper on the proposed protocol.

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Published

2020-08-23

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How to Cite

Allam, A. M. (2020). Cooperative Key Establishment Protocol for Full-Duplex Relay Systems. International Journal of Communication Networks and Information Security (IJCNIS), 12(2). https://doi.org/10.17762/ijcnis.v12i2.4589

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Section

Research Articles