357 citations · 1.4k across the 52 of their papers we have counts for
52 papers
Two-stage Multi-beam Training for Multiuser Millimeter-Wave Communications
Weijia Wang, Changsheng You, Xiaodan Shao +1
In this letter, we study an efficient multi-beam training method for multiuser millimeter-wave communication systems. Unlike the conventional single-beam training method that relie…
Channel Estimation By Transmitting Pilots From Reconfigurable Intelligent Surface
Yanze Zhu, Yang Liu, Qingqing Wu +2
Reconfigurable intelligent surface (RIS) is a promising technology for future wireless communication systems. Channel estimation (CE) of RIS device is a critical but also challengi…
Near-Field Beam Management for Extremely Large-Scale Array Communications
Changsheng You, Yunpu Zhang, Chenyu Wu +5
Extremely large-scale arrays (XL-arrays) have emerged as a promising technology to achieve super-high spectral efficiency and spatial resolution in future wireless systems. The lar…
Joint Beam Scheduling and Power Allocation for SWIPT in Mixed Near- and Far-Field Channels
Yunpu Zhang, Changsheng You, Weijie Yuan +2
Extremely large-scale array (XL-array) has emerged as a promising technology to enhance the spectrum efficiency and spatial resolution in future wireless networks, leading to a fun…
A Novel Two-Layer Codebook Based Near-Field Beam Training for Intelligent Reflecting Surface
Tao Wang, Jie Lv, Haonan Tong +2
In this paper, we study the codebook-based near-field beam training for intelligent reflecting surfaces (IRSs) aided wireless system. In the considered model, the near-field beam t…
Two-Stage Hierarchical Beam Training for Near-Field Communications
Chenyu Wu, Changsheng You, Yuanwei Liu +2
Extremely large-scale array (XL-array) has emerged as a promising technology to improve the spectrum efficiency and spatial resolution of future wireless systems. However, the huge…
Intelligent Reflecting Surface Aided Wireless Sensing: Applications and Design Issues
Xiaodan Shao, Changsheng You, Rui Zhang
Intelligent reflecting surface (IRS) is an emerging technology that is able to significantly improve the performance of wireless communications, by smartly tuning signal reflection…
Mixed Near- and Far-Field Communications for Extremely Large-Scale Array: An Interference Perspective
Yunpu Zhang, Changsheng You, Li Chen +1
Extremely large-scale array (XL-array) is envisioned to achieve super-high spectral efficiency in future wireless networks. Different from the existing works that mostly focus on t…
Active-IRS-Aided Wireless Communication: Fundamentals, Designs and Open Issues
Zhenyu Kang, Changsheng You, Rui Zhang
Intelligent reflecting surface (IRS) has emerged as a promising technology to realize smart radio environment for future wireless communication systems. Existing works in this line…
Active-IRS Aided Wireless Network: System Modeling and Performance Analysis
Yunli Li, Changsheng You, Young Jin Chun
Active intelligent reflecting surface (IRS) enables flexible signal reflection control with \emph{power amplification}, thus effectively compensating the product-distance path-loss…
Fast Near-Field Beam Training for Extremely Large-Scale Array
Yunpu Zhang, Xun Wu, Changsheng You
In this letter, we study efficient near-field beam training design for the extremely large-scale array (XL-array) communication systems. Compared with the conventional far-field be…
Multi-Active Multi-Passive (MAMP)-IRS Aided Wireless Communication: A Multi-Hop Beam Routing Design
Yunpu Zhang, Changsheng You, Beixiong Zheng
Prior studies on intelligent reflecting surface (IRS) have mostly considered wireless communication systems aided by a single passive IRS, which, however, has limited control over…
Multi-Hop Beam Routing for Hybrid Active/Passive IRS Aided Wireless Communications
Yunpu Zhang, Changsheng You
Prior studies on intelligent reflecting surface (IRS) have mostly considered wireless communication systems aided by a single passive IRS, which, however, has limited control over…
Active-Passive IRS aided Wireless Communication: New Hybrid Architecture and Elements Allocation Optimization
Zhenyu Kang, Changsheng You, Rui Zhang
Intelligent reflecting surface (IRS) has emerged as a promising technology to enhance the wireless communication network coverage and capacity by dynamically controlling the radio…
Two-Timescale Design for STAR-RIS Aided NOMA Systems
Chenyu Wu, Changsheng You, Yuanwei Liu +2
Simultaneously transmitting and reflecting reconfigurable intelligent surfaces (STAR-RISs) have emerged as a promising technology for achieving full-space coverage. Prior works on…
Cramér-Rao Bounds of Near-Field Positioning Based on Electromagnetic Propagation Model
Ang Chen, Li Chen, Yunfei Chen +3
The adoption of large-scale antenna arrays at high-frequency bands is widely envisioned in the beyond 5G wireless networks. This leads to the near-field regime where the wavefront…
Joint Sensing and Communication-Rate Control for Energy Efficient Mobile Crowd Sensing
Ziqin Zhou, Xiaoyang Li, Changsheng You +2
Driven by the rapid growth of Internet of Things applications, tremendous data need to be collected by sensors and uploaded to the servers for further process. As a promising solut…
Target Sensing with Intelligent Reflecting Surface: Architecture and Performance
Xiaodan Shao, Changsheng You, Wenyan Ma +2
Intelligent reflecting surface (IRS) has emerged as a promising technology to reconfigure the radio propagation environment by dynamically controlling wireless signal's amplitude a…
Channel Estimation for STAR-RIS-aided Wireless Communication
Chenyu Wu, Changsheng You, Yuanwei Liu +2
In this letter, we study efficient uplink channel estimation design for a simultaneously transmitting and reflecting reconfigurable intelligent surface (STAR-RIS) assisted two-user…
A Survey on Channel Estimation and Practical Passive Beamforming Design for Intelligent Reflecting Surface Aided Wireless Communications
Beixiong Zheng, Changsheng You, Weidong Mei +1
Intelligent reflecting surface (IRS) has emerged as a key enabling technology to realize smart and reconfigurable radio environment for wireless communications, by digitally contro…
Intelligent Reflecting Surface Aided Wireless Networks: From Single-Reflection to Multi-Reflection Design and Optimization
Weidong Mei, Beixiong Zheng, Changsheng You +1
Intelligent reflecting surface (IRS) has emerged as a promising technique for wireless communication networks. By dynamically tuning the reflection amplitudes/phase shifts of a lar…
Wireless Communication Aided by Intelligent Reflecting Surface: Active or Passive?
Changsheng You, Rui Zhang
In this letter, we consider an intelligent reflecting surface (IRS)-aided wireless communication system, where an active or passive IRS is employed to assist the communication betw…
IRS-Aided Wireless Relaying: Optimal Deployment and Capacity Scaling
Zhenyu Kang, Changsheng You, Rui Zhang
In this letter, we consider an intelligent reflecting surface (IRS)-aided wireless relaying system, where a decode-and-forward relay (R) is employed to forward data from a source (…
A Deep Transfer Learning-based Edge Computing Method for Home Health Monitoring
Abu Sufian, Changsheng You, Mianxiong Dong
The health-care gets huge stress in a pandemic or epidemic situation. Some diseases such as COVID-19 that causes a pandemic is highly spreadable from an infected person to others.…