105 citations · 261 across the 18 of their papers we have counts for
19 papers
Rotatable Antenna Relaying: Joint Precoding and Antenna Pointing Design
Ying Gao, Qingqing Wu, Wen Chen
This paper investigates a rotatable antenna (RA)-enhanced half-duplex amplify-and-forward relaying system, where a multi-antenna base station (BS) serves multiple single-antenna us…
Multi-User MIMO with Rotatable Antennas and IRS: Joint Antenna Boresight and IRS Orientation Design
Guoying Zhang, Qingqing Wu, Ziyuan Zheng +5
In this paper, we investigate an intelligent reflecting surface (IRS)-assisted multi-user system, where the base station (BS) employs rotatable antennas (RAs) and the IRS can adjus…
Two-Scale Spatial Deployment for Cost-Effective Wireless Networks via Cooperative IRSs and Movable Antennas
Ying Gao, Qingqing Wu, Ziyuan Zheng +4
This paper proposes a two-scale spatial deployment strategy to ensure reliable coverage for multiple target areas, integrating macroscopic intelligent reflecting surfaces (IRSs) an…
Cell-Free MIMO with Rotatable Antennas: When Macro-Diversity Meets Antenna Directivity
Xingxiang Peng, Qingqing Wu, Ziyuan Zheng +5
Cell-free networks leverage distributed access points (APs) to achieve macro-diversity, yet their performance is often constrained by large disparities in channel quality arising f…
Low-Altitude ISAC with Rotatable Active and Passive Arrays
Ziyuan Zheng, Qingqing Wu, Yanze Zhu +4
This paper investigates a low-altitude integrated sensing and communication (ISAC) system that leverages cooperative rotatable active and passive arrays. We consider a downlink sce…
Semi-Passive IRS Enabled Sensing with Group Movable Sensors
Qiaoyan Peng, Qingqing Wu, Wen Chen +4
The performance of the sensing system is limited by the signal attenuation and the number of receiving components. In this letter, we investigate the sensor position selection in a…
Movable Intelligent Surface-Enabled Wireless Communications: Static Phase Shifts with Mechanical Reconfigurability
Ziyuan Zheng, Qingqing Wu, Wen Chen +2
Intelligent surfaces that reshape electromagnetic waves are regarded as disruptive technologies for wireless networks. However, existing designs sit at two costly extremes: dynamic…
Reconfigurable Airspace: Synergizing Movable Antenna and Intelligent Surface for Low-Altitude ISAC Networks
Honghao Wang, Qingqing Wu, Yifan Jiang +7
Low-altitude unmanned aerial vehicle (UAV) networks are integral to future 6G integrated sensing and communication (ISAC) systems. However, their deployment is hindered by challeng…
Rotatable Antenna Enabled Spectrum Sharing: Joint Antenna Orientation and Beamforming Design
Xingxiang Peng, Qingqing Wu, Ziyuan Zheng +3
Conventional antenna arrays rely primarily on digital beamforming for spatial control. While adding more elements can narrow beamwidth and suppress interference, such scaling incur…
Wireless Sensing with Movable Intelligent Surface
Ziyuan Zheng, Qingqing Wu, Yanze Zhu +3
Future wireless networks are envisioned to deliver not only gigabit communications but also ubiquitous sensing. Reconfigurable intelligent surfaces (RISs) have emerged to reshape r…
Integrating Movable Antennas and Intelligent Reflecting Surfaces for Coverage Enhancement
Ying Gao, Qingqing Wu, Weidong Mei +3
This paper investigates an intelligent reflecting surface (IRS)-aided movable antenna (MA) system, where multiple IRSs cooperate with a multi-MA base station to extend wireless cov…
Throughput Maximization for Movable Antenna Systems with Movement Delay Consideration
Honghao Wang, Qingqing Wu, Ying Gao +4
In this paper, we model the minimum achievable throughput within a transmission block of restricted duration and aim to maximize it in movable antenna (MA)-enabled multiuser downli…
Movable Antennas Enabled Wireless-Powered NOMA: Continuous and Discrete Positioning Designs
Ying Gao, Qingqing Wu, Wen Chen
This paper investigates a movable antenna (MA)-enabled wireless-powered communication network (WPCN), where multiple wireless devices (WDs) first harvest energy from the downlink (…
Joint Transmitter and Receiver Design for Movable Antenna Enhanced Multicast Communications
Ying Gao, Qingqing Wu, Wen Chen
Movable antenna (MA) is an emerging technology that utilizes localized antenna movement to achieve better channel conditions for enhancing communication performance. In this paper,…
IRS-Aided Multi-Antenna Wireless Powered Communications in Interference Channels
Ying Gao, Qingqing Wu, Wen Chen
This paper investigates intelligent reflecting surface (IRS)-aided multi-antenna wireless powered communications in a multi-link interference channel, where multiple IRSs are deplo…
IRS-Aided Overloaded Multi-Antenna Systems: Joint User Grouping and Resource Allocation
Ying Gao, Qingqing Wu, Wen Chen +3
This paper studies an intelligent reflecting surface (IRS)-aided multi-antenna simultaneous wireless information and power transfer (SWIPT) system where an -antenna access point…
Exploiting Intelligent Reflecting Surfaces for Interference Channels with SWIPT
Ying Gao, Qingqing Wu, Wen Chen +3
This paper considers intelligent reflecting surface (IRS)-aided simultaneous wireless information and power transfer (SWIPT) in a multi-user multiple-input single-output (MISO) int…
Rate-Splitting Multiple Access for Intelligent Reflecting Surface-Aided Secure Transmission
Ying Gao, Qingqing Wu, Wen Chen +1
In this letter, we study a rate-splitting multiple access (RSMA)-based intelligent reflecting surface (IRS)-aided multi-user multiple-input single-output (MISO) secure communicatio…
Beamforming Optimization for Active Intelligent Reflecting Surface-Aided SWIPT
Ying Gao, Qingqing Wu, Guangchi Zhang +3
In this paper, we study an active IRS-aided simultaneous wireless information and power transfer (SWIPT) system. Specifically, an active IRS is deployed to assist a multi-antenna a…