activity
20192021
most citedReconfigurable-Intelligent-Surface Empowered Wireless Communications: Challenges and Opportunities

53 citations · 83 across the 7 of their papers we have counts for

collaborators

7 papers

eess.SP2021

Frequency Reflection Modulation for Reconfigurable Intelligent Surface Aided OFDM Systems

Wenjing Yan, Xiaojun Yuan, Xuanyu Cao

Reconfigurable intelligent surface (RIS) based reflection modulation has been considered as a promising information delivery mechanism, and has the potential to realize passive inf…

cs.IT2021★ 3 cited

Hierarchical Passive Beamforming for Reconfigurable Intelligent Surface Aided Communications

Chang Cai, Xiaojun Yuan, Wenjing Yan +3

In reconfigurable intelligent surfaces (RISs) aided communications, the existing passive beamforming (PB) design involves polynomial complexity in the number of reflecting elements…

cs.IT2020★ 53 cited

Reconfigurable-Intelligent-Surface Empowered Wireless Communications: Challenges and Opportunities

Xiaojun Yuan, Ying-Jun Angela Zhang, Yuanming Shi +2

Reconfigurable intelligent surfaces (RISs) are regarded as a promising emerging hardware technology to improve the spectrum and energy efficiency of wireless networks by artificial…

cs.IT2019★ 14 cited

Passive Beamforming and Information Transfer Design for Reconfigurable Intelligent Surfaces Aided Multiuser MIMO Systems

Wenjing Yan, Xiaojun Yuan, Zhen-Qing He +1

This paper investigates the passive beamforming and information transfer (PBIT) technique for the multiuser multiple-input multiple-output (MIMO) systems with the aid of a reconfig…

cs.IT2019

Double-Sparsity Learning Based Channel-and-Signal Estimation in Massive MIMO with Generalized Spatial Modulation

Xiaoyan Kuai, Xiaojun Yuan, Wenjing Yan +3

In this paper, we study joint antenna activity detection, channel estimation, and multiuser detection for massive multiple-input multiple-output (MIMO) systems with general spatial…

cs.IT2019★ 12 cited

Passive Beamforming and Information Transfer via Large Intelligent Surface

Wenjing Yan, Xiaoyan Kuai, Xiaojun Yuan

Large intelligent surface (LIS) has emerged as a promising new solution to improve the energy and spectrum efficiency of wireless networks. A LIS, composed of a large number of low…

cs.IT2019★ 1 cited

Semi-Blind Channel-and-Signal Estimation for Uplink Massive MIMO With Channel Sparsity

Wenjing Yan, Xiaojun Yuan

This paper considers the transceiver design for uplink massive multiple-input multiple-output (MIMO) systems with channel sparsity in the angular domain. Recent progress has shown…