3 papers
eess.SP2025
Aerial RIS-Enhanced Communications: Joint UAV Trajectory, Altitude Control, and Phase Shift Design
Bin Li, Dongdong Yang, Lei Liu +1
Reconfigurable intelligent surface (RIS) has emerged as a pivotal technology for enhancing wireless networks. Compared to terrestrial RIS deployed on building facades, aerial RIS (…
cs.ET2025
Delay-Aware Digital Twin Synchronization in Mobile Edge Networks with Semantic Communications
Bin Li, Haichen Cai, Lei Liu +1
The synchronization of digital twins (DT) serves as the cornerstone for effective operation of the DT framework. However, the limitations of channel capacity can greatly affect the…
cs.IT2024
Age of Information Analysis for CR-NOMA Aided Uplink Systems with Randomly Arrived Packets
Yanshi Sun, Yanglin Ye, Zhiguo Ding +2
This paper studies the application of cognitive radio inspired non-orthogonal multiple access (CR-NOMA) to reduce age of information (AoI) for uplink transmission. In particular, a…