• KSII Transactions on Internet and Information Systems
    Monthly Online Journal (eISSN: 1976-7277)


Vol. 13, No. 8, August 30, 2019
10.3837/tiis.2019.08.012, Download Paper (Free):


Key establishment method based on channel reciprocity for time division duplex (TDD) system has earned a vital consideration in the majority of recent research. While most of the cellular systems rely on frequency division duplex (FDD) systems, especially the 5G network, which is not characterized by the channel reciprocity feature. This paper realizes the generation of a group secret key for multi-terminals communicated through a wireless network in FDD mode, by utilizing the nature of the physical layer for the wireless links between them. I consider a new group key generation approach, which using bitwise XOR with a modified pairwise secret key generation approach not based on the channel reciprocity feature. Precisely, this multi-node secret key agreement technique designed for three wireless network topologies: 1) the triangle topology, 2) the multi-terminal star topology, and 3) the multi-node chain topology. Three multi-node secret key agreement protocols suggest for these wireless communication topologies in FDD mode, respectively. I determine the upper bound for the generation rate of the secret key shared among multi-node, for the three multi-terminals topologies, and give numerical cases to expose the achievement of my offered technique.


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Cite this article

[IEEE Style]
A. M. Allam, "GROUP SECRET KEY GENERATION FOR 5G Networks," KSII Transactions on Internet and Information Systems, vol. 13, no. 8, pp. 4041-4059, 2019. DOI: 10.3837/tiis.2019.08.012.

[ACM Style]
Ali M. Allam. 2019. GROUP SECRET KEY GENERATION FOR 5G Networks. KSII Transactions on Internet and Information Systems, 13, 8, (2019), 4041-4059. DOI: 10.3837/tiis.2019.08.012.