9 papers
Channel Extrapolation for MIMO Systems with the Assistance of Multi-path Information Induced from Channel State Information
Yuan Gao, Xinyi Wu, Jiang Jun +5
Acquiring channel state information (CSI) through traditional methods, such as channel estimation, is increasingly challenging for the emerging sixth generation (6G) mobile network…
AmbShield: Enhancing Physical Layer Security with Ambient Backscatter Devices against Eavesdroppers
Yifan Zhang, Yishan Yang, Riku Jäntti +3
Passive eavesdropping compromises confidentiality in wireless networks, especially in resource-constrained environments where heavyweight cryptography is impractical. Physical laye…
Visibility-aware Satellite Selection and Resource Allocation in Multi-Orbit LEO Networks
Yingzhuo Sun, Yulan Gao, Ming Xiao +2
Multi orbit low earth orbit (LEO) satellites communication is envisioned as a key infrastructure to deliver global coverage, enabling future services from space air ground integrat…
Network-Centric Anomaly Filtering and Spoofer localization for 5G-NR Localization in LAWNs
Zexin Fang, Bin Han, Zhu Han +3
This paper investigates security vulnerabilities and countermeasures for the 3rd Generation Partnership Project (3GPP) Fifth Generation New Radio (5G-NR) Time Difference of Arrival…
Multilayer Non-Terrestrial Networks with Spectrum Access aided by Beyond-Diagonal RIS
Wali Ullah Khan, Chandan Kumar Sheemar, Eva Lagunas +4
In this work, we study a multi-user NTN in which a satellite serves as the primary network and a high-altitude platform station (HAPS) operates as the secondary network, acting as…
Age of Information Minimization in UAV-Enabled Integrated Sensing and Communication Systems
Yu Bai, Yifan Zhang, Boxuan Xie +4
Unmanned aerial vehicles (UAVs) equipped with integrated sensing and communication (ISAC) capabilities are envisioned to play a pivotal role in future wireless networks due to thei…