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Secure Downlink Transmission in the Internet of Things: How Many Antennas Are Needed?

Hu, Jiawei; Yang, Nan; Cai, Yueming


Physical layer security is a promising way to secure the wireless communications in the Internet of Things (IoT). Motivated by the fact that the limited feedback resources in the IoT network would degrade the secrecy advantage of the multiple-antenna technique, we attempt to investigate the problem of how many transmit antennas should be utilized to perform secure communications. In particular, we consider the heterogeneous IoT downlink network and design a multiuser secure transmission scheme....[Show more]

CollectionsANU Research Publications
Date published: 2018
Type: Journal article
Source: IEEE Journal on Selected Areas in Communications
DOI: 10.1109/JSAC.2018.2825483


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