3 papers
cs.NI2026
Deep Reinforcement Learning-Based Cooperative Rate Splitting for Satellite-to-Underground Communication Networks
Kaiqiang Lin, Kangchun Zhao, Yijie Mao
Reliable downlink communication in satellite-to-underground networks remains challenging due to severe signal attenuation caused by underground soil and refraction in the air-soil…
eess.SP2025
Individual Channel Estimation for Beyond Diagonal Reconfigurable Intelligent Surfaces
Kangchun Zhao, Yijie Mao
Beyond Diagonal Reconfigurable Intelligent Surfaces (BD-RIS) has emerged as a promising evolution of RIS technology. By enabling interconnections between RIS elements, BD-RIS archi…
cs.NI2025
UAV-Enabled Wireless-Powered Underground Communication Networks: A Novel Time Allocation Approach
Kaiqiang Lin, Yijie Mao, Onel Luis Alcaraz López +1
Wireless-powered underground communication networks (WPUCNs), which allow underground devices (UDs) to harvest energy from wireless signals for battery-free communication, offer a…