156 citations · 413 across the 24 of their papers we have counts for
11 papers · 1 filter
Effective DoF-Oriented Optimal Antenna Spacing in Near-Field XL-MIMO Systems
Xianzhe Chen, Hong Ren, Cunhua Pan +2
This letter investigates the optimal antenna spacing for a near-field XL-MIMO communication system from the perspective of the array gain. Specifically, using the Green's function-…
Deep Learning-Based CSI Feedback for XL-MIMO Systems in the Near-Field Domain
Zhangjie Peng, Ruijing Liu, Zhaotian Li +2
In this paper, we consider an extremely large-scale massive multiple-input-multiple-output (XL-MIMO) system. As the scale of antenna arrays increases, the range of near-field commu…
Deep Learning-Based CSI Feedback for RIS-Aided Massive MIMO Systems with Time Correlation
Zhangjie Peng, Zhaotian Li, Ruijing Liu +3
In this paper, we consider an reconfigurable intelligent surface (RIS)-aided frequency division duplex (FDD) massive multiple-input multiple-output (MIMO) downlink system.In the FD…
Beamforming Optimization for Active RIS-Aided Multiuser Communications With Hardware Impairments
Zhangjie Peng, Zhibo Zhang, Cunhua Pan +3
In this paper, we consider an active reconfigurable intelligent surface (RIS) to assist the multiuser downlink transmission in the presence of practical hardware impairments (HWIs)…
Energy Minimization for Active RIS-Aided UAV-Enabled SWIPT Systems
Zhangjie Peng, Ruijing Liu, Cunhua Pan +2
In this paper, we consider an active reconfigurable intelligent surface (RIS)-aided unmanned aerial vehicle(UAV)-enabled simultaneous wireless information and power transfer(SWIPT)…
Two-Timescale Transmission Design for Wireless Communication Systems Aided by Active RIS
Zhangjie Peng, Tianshu Li, Cunhua Pan +2
This paper considers an active reconfigurable intelligent surface (RIS)-aided communication system, where an M-antenna base station (BS) transmits data symbols to a single-antenna…
Active Reconfigurable Intelligent Surface for Mobile Edge Computing
Zhangjie Peng, Ruisong Weng, Zhenkun Zhang +2
This paper investigates an active reconfigurable intelligent surface (RIS)-aided mobile edge computing (MEC) system. Compared with passive RIS, the active RIS is equipped with acti…
Energy Minimization in RIS-Assisted UAV-Enabled Wireless Power Transfer Systems
Hong Ren, Zhenkun Zhang, Zhangjie Peng +2
Unmanned aerial vehicle (UAV)-enabled wireless power transfer (WPT) systems offer significant advantages in coverage and deployment flexibility, but suffer from endurance limitatio…
RIS-Aided D2D Communications Relying on Statistical CSI with Imperfect Hardware
Zhangjie Peng, Tianshu Li, Cunhua Pan +2
In this letter, we investigate a reconfigurable intelligent surfaces (RIS)-aided device to device (D2D) communication system over Rician fading channels with imperfect hardware inc…
Analysis and Optimization for RIS-Aided Multi-Pair Communications Relying on Statistical CSI
Zhangjie Peng, Tianshu Li, Cunhua Pan +3
In this paper, we investigate a reconfigurable intelligent surface (RIS) aided multi-pair communication system, in which multi-pair users exchange information via an RIS. We derive…
Multiuser Full-Duplex Two-Way Communications via Intelligent Reflecting Surface
Zhangjie Peng, Zhenkun Zhang, Cunhua Pan +2
Low-cost passive intelligent reflecting surfaces (IRSs) have recently been envisioned as a revolutionary technology capable of reconfiguring the wireless propagation environment th…