Reconfigurable intelligent surface-induced randomness for mmWave key generation

dc.contributor.authorYang, Shubo
dc.contributor.authorHan, Han
dc.contributor.authorLiu, Yihong
dc.contributor.authorGuo, Weisi
dc.contributor.authorPang, Zhibo
dc.contributor.authorZhang, Lei
dc.date.accessioned2024-06-18T14:06:45Z
dc.date.available2024-06-18T14:06:45Z
dc.date.issued2023-10-23
dc.description.abstractSecret key generation in physical layer security exploits the unpredictable random nature of wireless channels. The millimeter-wave (mmWave) channels have limited multipath and channel randomness in static environments. In this paper, for mmWave secret key generation of physical layer security, we use a reconfigurable intelligent surface (RIS) to induce randomness directly in wireless environments, without adding complexity to transceivers. We consider RIS to have continuous individual phase shifts (CIPS) and derive the RIS-assisted reflection channel distribution with its parameters. Then, we propose continuous group phase shifts (CGPS) to increase the randomness specifically at legal parties. Since the continuous phase shifts are expensive to implement, we analyze discrete individual phase shifts (DIPS) and derive the corresponding channel distribution, which is dependent on the quantization bit. We then derive the secret key rate (SKR) to evaluate the randomness performance. With the simulation results verifying the analytical results, this work explains the mathematical principles and lays a foundation for future mmWave evaluation and optimization of artificial channel randomness.en_UK
dc.identifier.citationYang S, Han H, Liu Y, et al., (2023) Reconfigurable intelligent surface-induced randomness for mmWave key generation. In ICC 2023-IEEE International Conference on Communications. 28 May - 01 June 2023, Rome, Italy, pp. 2909-2914en_UK
dc.identifier.eisbn978-1-5386-7462-8
dc.identifier.eissn1938-1883
dc.identifier.isbn978-1-5386-7463-5
dc.identifier.urihttps://doi.org/10.1109/ICC45041.2023.10278950
dc.identifier.urihttps://dspace.lib.cranfield.ac.uk/handle/1826/22509
dc.language.isoen_UKen_UK
dc.publisherIEEEen_UK
dc.rightsAttribution-NonCommercial 4.0 International*
dc.rights.urihttp://creativecommons.org/licenses/by-nc/4.0/*
dc.subjectPhysical layer securityen_UK
dc.subjectsecret key generationen_UK
dc.subjectreconfigurable intelligent surfaceen_UK
dc.subjectintelligent reflecting surfaceen_UK
dc.titleReconfigurable intelligent surface-induced randomness for mmWave key generationen_UK
dc.typeConference paperen_UK

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