On the Secrecy Capacity of 5G New Radio Networks

The new radio technology for the fifth-generation wireless system has been extensively studied all over the world. Specifically, the air interface protocols for 5G radio access network will be standardized by the 3GPP in the coming years. In the next-generation 5G new radio (NR) networks, millimeter...

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Bibliographic Details
Published in:Wireless communications and mobile computing 2018-01, Vol.2018 (2018), p.1-11
Main Authors: Xiao, Ke, He, Yunhua, Zhang, Shaowei
Format: Article
Language:English
Subjects:
Efficiency
Electronic surveillance
Green buildings
Millimeter waves
Propagation
Protocol (computers)
Radio communications
Radio frequency
Radio networks
Ray tracing
Receivers & amplifiers
Researchers
Urban areas
Wireless networks
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Summary:The new radio technology for the fifth-generation wireless system has been extensively studied all over the world. Specifically, the air interface protocols for 5G radio access network will be standardized by the 3GPP in the coming years. In the next-generation 5G new radio (NR) networks, millimeter wave (mmWave) communications will definitely play a critical role, as new NR air interface (AI) is up to 100 GHz just like mmWave. The rapid growth of mmWave systems poses a variety of challenges in physical layer (PHY) security. This paper investigates those challenges in the context of several 5G new radio communication technologies, including multiple-input multiple-output (MIMO) and nonorthogonal multiple access (NOMA). In particular, we introduce a ray-tracing (RT) based 5G NR network channel model and reveal that the secrecy capacity in mmWave band widely depends on the richness of radio frequency (RF) environment through numerical experiments.
ISSN:1530-8669
1530-8677
DOI:10.1155/2018/4359261