3 papers
eess.SP2025
Channel Knowledge Map Construction: Recent Advances and Open Challenges
Zixiang Ren, Juncong Zhou, Jie Xu +5
Channel knowledge map (CKM) has emerged as a pivotal technology for environment-aware wireless communications and sensing, which provides a priori location-specific channel knowled…
eess.SP2025
Robust Secure Communications in Near-Field ISCAP Systems with Extremely Large-Scale Antenna Array
Zixiang Ren, Siyao Zhang, Ling Qiu +2
This paper investigates robust secure communications in a near-field integrated sensing, communication, and powering (ISCAP) system, in which the base station (BS) is equipped with…
cs.IT2024
Sensing-assisted Near-field Energy Beam Focusing with ELAA Over Non-stationary Channels
Li Zhang, Zixiang Ren, Yuan Fang +2
This paper studies a novel training-free energy beam focusing approach for a near-field wireless power transfer (WPT) system with extremely large-scale antenna array (ELAA). In par…