Results 161 to 170 of about 13,960 (190)

Intelligent Reflecting Surfaces for Free Space Optical Communication Systems

IEEE Transactions on Communications, 2021
In this paper, we investigate the use of intelligent reflecting surfaces (IRSs) to relax the line-of-sight requirement of free space optical (FSO) systems.
M. Najafi, B. Schmauss, R. Schober
semanticscholar   +1 more source

Disco Intelligent Reflecting Surfaces: Active Channel Aging for Fully-Passive Jamming Attack

IEEE Transactions on Wireless Communications, 2023
Due to the open communications environment in wireless channels, wireless networks are vulnerable to jamming attacks. However, existing approaches for jamming rely on knowledge of the legitimate users’ (LUs’) channels, extra jamming power, or both.
Huan-huan Huang, Ying Zhang, Hongliang Zhang, Yi Cai, A. L. Swindlehurst, Zhu Han   +5 more
semanticscholar   +1 more source

Cellular Sensing via Cooperative Intelligent Reflecting Surfaces

IEEE Transactions on Vehicular Technology, 2023
Intelligent reflecting surface (IRS) can effectively improve the performance of wireless communications and target sensing by passive beamforming/searching. In this correspondence, we consider IRS-aided target sensing in cellular networks by deploying an
Xiaowei Pang, Weidong Mei, Nan Zhao, Rui Zhang   +3 more
semanticscholar   +1 more source

Intelligent Reflecting Surfaces Assisted UAV Communications for IoT Networks: Performance Analysis

IEEE Transactions on Green Communications and Networking, 2021
The increasing demand for wireless connectivity and the emergence of the notion of the Internet of Everything require new communication paradigms that will ultimately enable a plethora of new applications and new disruptive technologies. In this context,
Abdulla Mahmoud, S. Muhaidat, P. Sofotasios, I. Abualhaol, O. Dobre, H. Yanikomeroglu   +5 more
semanticscholar   +1 more source

MISO Wireless Communication Systems via Intelligent Reflecting Surfaces : (Invited Paper)

2019 IEEE/CIC International Conference on Communications in China (ICCC), 2019
Intelligent reflecting surfaces (IRSs) have received considerable attention from the wireless communications research community recently. In particular, as low-cost passive devices, IRSs enable the control of the wireless propagation environment, which ...
Xianghao Yu, Dongfang Xu, R. Schober
semanticscholar   +1 more source

Integrating Movable Antennas and Intelligent Reflecting Surfaces (MA-IRS): Fundamentals, Practical Solutions, and ISAC

IEEE wireless communications
Movable antennas (MAs) and intelligent reflecting surfaces (IRSs) enable active antenna repositioning and passive phase-shift tuning for channel reconfiguration, respectively.
Ziyuan Zheng, Qingqing Wu, Wen Chen, Xiangming Wu, Weiren Zhu   +4 more
semanticscholar   +1 more source

Intelligent Reflecting Surfaces for Wireless Networks: Deployment Architectures, Key Solutions, and Field Trials

IEEE wireless communications
Intelligent reflecting surfaces (IRSs) have emerged as a transformative technology for wireless networks by improving coverage, capacity, and energy efficiency through intelligent manipulation of wireless propagation environments.
Qing-Bin Wu, Guangji Chen, Qiaoyan Peng, Wen Chen, Yifei Yuan, Z. Cheng, Jianwu Dou, Zhiyong Zhao, Ping Li   +8 more
semanticscholar   +1 more source

Outage Analysis of NOMA-Enabled Backscatter Communications With Intelligent Reflecting Surfaces

IEEE Internet of Things Journal, 2022
Intelligent reflecting surface (IRS) has emerged as a potential technology to achieve smart wireless communications and high energy efficiency. On the other hand, nonorthogonal multiple access (NOMA)-enabled backscatter communications have shown a great ...
Suyue Li, Lina Bariah, S. Muhaidat, Anhong Wang, Jie Liang   +4 more
semanticscholar   +1 more source

Integrating Movable Antennas and Intelligent Reflecting Surfaces for Coverage Enhancement

IEEE Transactions on Wireless Communications
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 coverage to multiple target areas.
Ying Gao, Qing-Bin Wu, Weidong Mei, Guangji Chen, Wen Chen, Ziyuan Zheng   +5 more
semanticscholar   +1 more source

Intelligent Reflecting Surfaces and Spectrum Sensing for Cognitive Radio Networks

IEEE Transactions on Cognitive Communications and Networking, 2022
In Cognitive Radio (CR) networks, Primary User (PU) and Secondary User (SU) coexist to efficiently share the spectrum. PU has the right to access its dedicated channel at any time, while SU, operating in an opportunistic mode.
A. Nasser, Hussein Al Haj Hassan, A. Mansour, K. Yao, L. Nuaymi   +4 more
semanticscholar   +1 more source