176 citations · 267 across the 18 of their papers we have counts for
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eess.SP2021
Beam Squint in Ultra-wideband mmWave Systems: RF Lens Array vs. Phase-Shifter-Based Array
Sang-Hyun Park, Byoungnam Kim, Dong Ku Kim +3
In this article, we discuss the potential of radio frequency (RF) lens for ultra-wideband millimeter-wave (mmWave) systems. In terms of the beam squint, we compare the proposed RF…
eess.SP2021
Secure Transmission for Hierarchical Information Accessibility in Downlink MU-MIMO
Kanguk Lee, Jinseok Choi, Dong Ku Kim +1
Physical layer security is a useful tool to prevent confidential information from wiretapping. In this paper, we consider a generalized model of conventional physical layer securit…