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Overview of 5G security technology

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Abstract

The 5th-generation mobile communication system (5G) has higher security requirements than previous systems. Accordingly, international standard organizations, operators, and equipment manufacturers are focusing extensively on 5G security technology. This paper analyzes the security requirements of 5G business applications, network architecture, the air interface, and user privacy. The development trends of 5G security architecture are summarized, with a focus on endogenous defense architecture, which represents a new trend in 5G security development. Several incremental 5G security technologies are reviewed, including physical layer security, lightweight encryption, network slice security, user privacy protection, and block chain technology applied to 5G.

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Acknowledgements

This work was supported by National Natural Science Foundation of China (Grants Nos. 61521003, 61379006, 61471396, 61501516, 61601514, 61701538).

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Authors and Affiliations

  1. National Digital Switching System Engineering & Technological R&D Center, Zhengzhou, 450002, China

    Xinsheng Ji, Kaizhi Huang, Liang Jin, Hongbo Tang, Caixia Liu, Zhou Zhong, Wei You, Xiaoming Xu, Hua Zhao, Jiangxing Wu & Ming Yi

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  1. Xinsheng Ji
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  2. Kaizhi Huang
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  3. Liang Jin
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  4. Hongbo Tang
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  7. Wei You
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  8. Xiaoming Xu
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  9. Hua Zhao
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  10. Jiangxing Wu
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  11. Ming Yi
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Correspondence to Kaizhi Huang.

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Ji, X., Huang, K., Jin, L. et al. Overview of 5G security technology. Sci. China Inf. Sci. 61, 081301 (2018). https://doi.org/10.1007/s11432-017-9426-4

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