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http://dx.doi.org/10.9708/jksci.2022.27.12.131

A Study on the Authenticity Verification of UxNB Assisting Terrestrial Base Stations  

Kim, Keewon (Dept. of Computer Engineering, Mokpo National Maritime University)
Park, Kyungmin (Information Security Research Division, ETRI)
Kim, Jonghyun (Information Security Research Division, ETRI)
Park, Tae-Keun (Dept. of Computer Engineering, Dankook University)
Publication Information
Journal of the Korea Society of Computer and Information / v.27, no.12, 2022 , pp. 131-139 More about this Journal
Abstract
In this paper, to verify the authenticity of UxNB that assists terrestrial base stations, the solutions for SI (System Information) security presented in 3GPP TR 33.809 are analyzed from the perspective of UxNB. According to the definition of 3GPP (Third Generation Partnership Project), UxNB is a base station mounted on a UAV (Unmanned Aerial Vehicle), is carried in the air by the UAV, and is a radio access node that provides a connection to the UE (User Equipment). Such solutions for SI security can be classified into hash based, MAC (Message Authentication Codes) based, and digital signature based, and a representative solution for each category is introduced one by one. From the perspective of verifying the authenticity of UxNB for each solution, we compare and analyze the solutions in terms of provisioning information and update, security information leakage of UxNB, and additionally required amount of computation and transmission. As a result of the analysis, the solution for verifying the authenticity of the UxNB should minimize the secret information to be stored in the UxNB, be stored in a secure place, and apply encryption when it is updated over the air. In addition, due to the properties of the low computing power of UxNB and the lack of power, it is necessary to minimize the amount of computation and transmission.
Keywords
Mobile Communication; 3GPP standard; UxNB; System Information; Authenticity;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
연도 인용수 순위
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