Wireless innovations Next-generation
Online Workshop (WiNOW)
3-6 November, 2025 // Virtual
Haejoon Jung
Kyung Hee University
Haejoon Jung received the Ph.D. degree from the Georgia Institute of Technology (Georgia Tech), Atlanta, GA, USA, in 2014. From 2014 to 2016, he was a Wireless Systems Engineer at Apple, Cupertino, CA, USA. From 2016 to 2021, he was with Incheon National University, Incheon, South Korea. Since September 2021, he has been with the Department of Electronic Engineering, Kyung Hee University, as a Full Professor. His research interests include communication theory, wireless communications, and wireless power transfer. He was a recipient of the Haedong Young Scholar Award from the Korean Institute of Communications and Information Sciences (KICS) in 2022 and a co-recipient of the IEEE/KICS Journal of Communications and Networks (JCN) Best Paper Award in 2024. He serves as an Editor for IEEE Communications Surveys & Tutorials, IEEE Transactions on Communications, IEEE Transactions on Vehicular Technology, IEEE、Transactions on Aerospace and Electronic Systems, IEEE Communications Letters, IEEE Wireless Communications Letters, and ICT Express.
Talk Title: Secure Over-the-Air Computation with Distributed Null-Steering Beamformer
Over-the-air computation (AirComp) enables spectral-efficient aggregation of information in large Internet of Things (IoT) systems by utilizing the inherent signal superposition property of wireless channels. However, real-world implementations AirComp systems are vulnerable to practical imperfections, such as the erroneous estimation of channel state information (CSI) and receiver location information (LI). These impairments can significantly degrade AirComp network performance and compromise physical layer security (PLS) measures. Therefore, in this talk, we consider distributed null-steering as a PLS technique for three-dimensional (3D) UAV-enabled AirComp systems and analyze the impact of imperfect CSI and LI estimation errors on the performance of distributed null-steering-based PLS in AirComp networks. Additionally, we emphasize the effectiveness of null-steering-based PLS techniques in AirComp networks and the sensitivity of related parameters. Furthermore, our findings demonstrate the system efficiency requirements regarding CSI and LI errors to ensure secure and reliable AirComp communication.