6 papers · 1 filter
Mitigating Mixed-field Interference in Near-field and Far-field Communications: An Antenna Selection Approach
Tianyu Liu, Changsheng You, Chao Zhou +3
In mixed near-field and far-field systems, the nonorthogonality between near-field and far-field channels may cause severe inter-user interference and hence degrade rate performanc…
Near-field Physical Layer Security: Robust Beamforming under Location Uncertainty
Chao Zhou, Changsheng You, Cong Zhou +2
In this paper, we study robust beamforming design for near-field physical-layer-security (PLS) systems, where a base station (BS) equipped with an extremely large-scale array (XL-a…
MA-enhanced Mixed Near-field and Far-field Covert Communications
Chao Zhou, Changsheng You, Cong Zhou +2
In this paper, we propose to employ a modular-based movable extremely large-scale array (XL-array) at Alice for enhancing covert communication performance. Compared with existing w…
Deployment Optimization for XL-IRS Assisted Multi-User Communications
Chao Zhou, Changsheng You, Tianyu Liu +1
In this paper, we study the deployment optimization for an extremely large-scale intelligent reflecting surface (XL-IRS) assisted multi-user communication system, within which the…
Channel Estimation for XL-IRS Assisted Wireless Systems with Double-sided Visibility Regions
Chao Zhou, Changsheng You, Shiqi Gong +3
In this paper, we study efficient channel estimation design for an extremely large-scale intelligent reflecting surface (XL-IRS) assisted multi-user communication systems, where bo…
Movable Antenna Enabled Symbiotic Radio Systems: An Opportunity for Mutualism
Chao Zhou, Bin Lyu, Changsheng You +1
In this letter, we propose a new movable antenna (MA) enabled symbiotic radio (SR) system that leverages the movement of MAs to maximize both the primary and secondary rates, there…