9 papers
MA-HEAD-Net: Adaptive Rule-Guided Multi-Agent DRL for AoI Minimization in UAV-Assisted Emergency Networks
Yixin Zhang, Zhuohui Yao, Wenchi Cheng +1
In post-disaster scenarios, unmanned aerial vehicles (UAVs) are critical for establishing emergency communication networks. For time-critical rescue missions, information freshness…
3D Spherical Fluid Antennas for Spatially Reconfigurable Communications
Wenchi Cheng, Hongyun Jin, Zhuohui Yao
As sixth-generation (6G) wireless systems evolve toward higher frequency bands, large-scale antenna arrays, and intelligent interaction with the wireless environment, conventional…
Fundamental for Delay and Reliability Guarantees for Emergency UAV
Wenchi Cheng, Jingqing Wang, Zhuohui Yao +1
To support mission-critical services in emergency scenarios, wireless networks are required to provide stringent guarantees under massive Ultra-Reliable Low-Latency Communications…
Location-Aided Distributed Beamforming for Near-Field Communications with Element-Wise RIS
Xiao Zheng, Wenchi Cheng, Jingqing Wang +2
Active reconfigurable intelligent surface (RIS) emerges as an effective technique to resist the double-fading attenuation of passive RIS. By embedding with power harvesting functio…
Post-disaster Max-Min Rate Optimization for Multi-UAV RSMA Network in Obstacle Environments
Qingyang Wang, Zhuohui Yao, Wenchi Cheng +1
This paper proposes a rate-splitting multiple access (RSMA) transmission scheme to maximize the minimum achievable rate among ground users for emergency communications in post-disa…
Resource Allocation for 5G-UAV Based Emergency Wireless Communications
Zhuohui Yao, Wenchi Cheng, Wei Zhang +1
For unforeseen natural disasters, such as earthquakes, hurricanes, and floods, etc., the traditional communication infrastructure is unavailable or seriously disrupted along with p…
The Rise of UAV Fleet Technologies for Emergency Wireless Communications in Harsh Environments
Zhuohui Yao, Wenchi Cheng, Wei Zhang +2
For unforeseen emergencies, such as natural disasters and pandemic events, it is highly demanded to cope with the explosive growth of mobile data traffic in extremely critical envi…
Integrated Sensing and Communication for Anti-Jamming with OAM
Liping Liang, Wenchi Cheng, Wei Zhang +1
The spectrum share and open nature of wireless channels enable integrated sensing and communication (ISAC) susceptible to hostile jamming attacks. Due to the intrinsic orthogonalit…
RSMA Assisted ISAC With Hybrid Beamforming
Zhuohui Yao, Wenchi Cheng, Liping Liang +2
The harsh environment and scarce resources post-disaster drive the equipment to be miniaturized and portable. Based on this, integrated sensing and communication (ISAC) systems pla…