4 papers
Revolutionizing Wireless Communications with Space Data Centers: Applications and Open Challenges
Minghao Sun, Zehui Chen, Jinbo Hou +2
Space data centers (SDCs) are emerging as a promising orbital computing infrastructure for the future AI industry. Unlike conventional satellites that mainly serve as relay nodes o…
Toward Communication-Efficient Space Data Centers: Bottlenecks, Architectures, and New Paradigms
Minghao Sun, Zehui Chen, Jinbo Hou +2
The rapid growth of foundation model training and large-scale AI services has driven ground data centers toward unprecedented power densities, intensifying challenges in energy sup…
DUGC-VRNet: Joint VR Recognition and Channel Estimation for Spatially Non-Stationary XL-MIMO
Jinhao Nie, Guangchi Zhang, Miao Cui +2
In this letter, we address spatially non-stationary near-field channel estimation for extremely large-scale multiple-input multiple-output (XL-MIMO) systems with a hybrid combining…
Energy-Efficient UAV-Enabled MEC Systems: NOMA, FDMA, or TDMA Offloading?
Qingjie Wu, Miao Cui, Guangchi Zhang +3
Unmanned aerial vehicle (UAV)-enabled mobile edge computing (MEC) systems can use different multiple access schemes to coordinate multi-user task offloading. However, it is still u…