activity
20152026
most citedAn Overview of Signal Processing Techniques for RIS/IRS-aided Wireless Systems

792 citations · 939 across the 85 of their papers we have counts for

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Showing 2022Show all

9 papers · 1 filter

cs.IT2022★ 2 cited

Low-overhead Beam Training Scheme for Extremely Large-Scale RIS in Near-field

Wang Liu, Cunhua Pan, Hong Ren +3

Extremely large-scale reconfigurable intelligent surface (XL-RIS) has recently been proposed and is recognized as a promising technology that can further enhance the capacity of co…

cs.IT2022

Resource Allocation for Uplink Cell-Free Massive MIMO enabled URLLC in a Smart Factory

Qihao Peng, Hong Ren, Cunhua Pan +2

Smart factories need to support the simultaneous communication of multiple industrial Internet-of-Things (IIoT) devices with ultra-reliability and low-latency communication (URLLC)…

eess.SP2022

Fingerprint Based mmWave Positioning System Aided by Reconfigurable Intelligent Surface

Tuo Wu, Cunhua Pan, Yijin Pan +3

Reconfigurable intelligent surface (RIS) is a promising technique for millimeter wave (mmWave) positioning systems. In this paper, we consider multiple mobile users (MUs) positioni…

cs.IT2022

Deep Learning Based Beam Training for Extremely Large-Scale Massive MIMO in Near-Field Domain

Wang Liu, Hong Ren, Cunhua Pan +1

Extremely large-scale massive multiple-input-multiple-output (XL-MIMO) is regarded as a promising technology for next-generation communication systems. In order to enhance the beam…

eess.SP2022

Error Propagation and Overhead Reduced Channel Estimation for RIS-Aided Multi-User mmWave Systems

Zhendong Peng, Cunhua Pan, Gui Zhou +1

In this paper, we propose a novel two-stage based uplink channel estimation strategy with reduced pilot overhead and error propagation for a reconfigurable intelligent surface (RIS…

eess.SP2022★ 109 cited

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…