156 citations · 413 across the 24 of their papers we have counts for
24 papers
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…
Active RIS-Aided Massive MIMO With Imperfect CSI and Phase Noise
Zhangjie Peng, Jianchen Zhu, Cunhua Pan +4
Active reconfigurable intelligent surface (RIS) has attracted significant attention as a recently proposed RIS architecture. Owing to its capability to amplify the incident signals…
Active RIS-Aided Massive MIMO Uplink Systems with Low-Resolution ADCs
Zhangjie Peng, Zecheng Lu, Xue Liu +2
This letter considers an active reconfigurable intelligent surface (RIS)-aided multi-user uplink massive multipleinput multiple-output (MIMO) system with low-resolution analog-to-d…
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…
Performance Analysis on RIS-Aided Wideband Massive MIMO OFDM Systems with Low-Resolution ADCs
Xianzhe Chen, Hong Ren, Cunhua Pan +6
This paper investigates a reconfigurable intelligent surface (RIS)-aided wideband massive multiple-input multiple-output (MIMO) orthogonal frequency division multiplexing (OFDM) sy…
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)…
Resource Allocation for RIS-Empowered Wireless Communications: Low-Complexity and Robust Designs
Ming Zeng, Wanming Hao, Zhangjie Peng +4
This article delves into advancements in resource allocation techniques tailored for systems utilizing reconfigurable intelligent surfaces (RIS), with a primary focus on achieving…
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)…
Transmission Design for Active RIS-Aided Simultaneous Wireless Information and Power Transfer
Hong Ren, Zhiwei Chen, Guosheng Hu +3
Reconfigurable intelligent surface (RIS) is a revolutionary technology to enhance both the spectral efficiency and energy efficiency of wireless communication systems. However, mos…
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…
Performance Analysis and Optimization for RIS-Assisted Multi-User Massive MIMO Systems with Imperfect Hardware
Zhangjie Peng, Xianzhe Chen, Cunhua Pan +2
The paper studies a reconfigurable intelligent surface (RIS)-assisted multi-user uplink massive multiple-input multiple-output (MIMO) system with imperfect hardware. At the RIS, th…
Multi-Pair D2D Communications Aided by An Active RIS over Spatially Correlated Channels with Phase Noise
Zhangjie Peng, Xue Liu, Cunhua Pan +2
This paper investigates a multi-pair device-to-device (D2D) communication system aided by an active reconfigurable intelligent surface (RIS) with phase noise and direct link. The a…
Deep Reinforcement Learning for RIS-aided Multiuser Full-Duplex Secure Communications with Hardware Impairments
Zhangjie Peng, Zhibo Zhang, Lei Kong +3
In this paper, we investigate a reconfigurable intelligent surface (RIS)-aided multiuser full-duplex secure communication system with hardware impairments at transceivers and RIS,…
RIS-Assisted Cooperative NOMA with SWIPT
Juanjuan Ren, Xianfu Lei, Zhangjie Peng +2
This paper studies the application of reconfigurable intelligent surface (RIS) to cooperative non-orthogonal multiple access (C-NOMA) networks with simultaneous wireless informatio…
Robust Transmission Design for RIS-assisted Secure Multiuser Communication Systems in the Presence of Hardware Impairments
Zhangjie Peng, Ruisong Weng, Cunhua Pan +3
This paper investigates reconfigurable intelligent surface (RIS)-assisted secure multiuser communication systems subject to hardware impairments (HIs). We jointly optimize the beam…
Robust Transmission Design for RIS-Aided Communications with Both Transceiver Hardware Impairments and Imperfect CSI
Zhangjie Peng, Zhiwei Chen, Cunhua Pan +2
Reconfigurable intelligent surface (RIS) or intelligent reflecting surface (IRS) has recently been envisioned as one of the most promising technologies in the future sixth-generati…
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…
Multi-Pair Two-Way Massive MIMO DF Relaying Over Rician Fading Channels Under Imperfect CSI
Zhangjie Peng, Shuxian Wang, Cunhua Pan +3
We investigate a multi-pair two-way decode-andforward relaying aided massive multiple-input multiple-output antenna system under Rician fading channels, in which multiple pairs of…
Secure Wireless Communication in RIS-Aided MISO Systems with Hardware Impairments
Gui Zhou, Cunhua Pan, Hong Ren +2
In practice, residual transceiver hardware impairments inevitably lead to distortion noise which causes the performance loss. In this paper, we study the robust transmission design…
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…