Results 41 to 50 of about 9,993 (193)

PPO-based deployment and phase control for movable intelligent reflecting surface

Journal of Cloud Computing: Advances, Systems and Applications, 2023
Intelligent reflecting surface (IRS) stands as a promising technology to revolutionize wireless communication by manipulating incident signal amplitudes and phases to enhance system performance. While existing research primarily centers around optimizing
Yikun Zhao, Fanqin Zhou, Huaide Liu, Lei Feng, Wenjing Li   +4 more
doaj   +1 more source

Exploiting Amplitude Control in Intelligent Reflecting Surface Aided Wireless Communication with Imperfect CSI

, 2021
Intelligent reflecting surface (IRS) is a promising new paradigm to achieve high spectral and energy efficiency for future wireless networks by reconfiguring the wireless signal propagation via passive reflection.
Wu, Qingqing, Zhang, Rui, Zhao, Min-Jian, Zhao, Ming-Min   +3 more
core  

Intermediate Resistive State in Wafer‐Scale Vertical MoS2 Memristors Through Lateral Silver Filament Growth for Artificial Synapse Applications

Advanced Functional Materials, EarlyView.
In MOCVD MoS2 memristors, a current compliance‐regulated Ag filament mechanism is revealed. The filament ruptures spontaneously during volatile switching, while subsequent growth proceeds vertically through the MoS2 layers and then laterally along the van der Waals gaps during nonvolatile switching.
Yuan Fa, Milan Buttberg, Ke Ran, Rana Walied Ahmad, Dennis Braun, Lukas Völkel, Jimin Lee, Sofía Cruces, Bart Macco, Bárbara Canto, Holger Lerch, Thorsten Wahlbrink, Holger Kalisch, Michael Heuken, Andrei Vescan, Joachim Mayer, Zhenxing Wang, Ilia Valov, Stephan Menzel, Max C. Lemme   +19 more
wiley   +1 more source

Design scheme of physical layer security for intelligent reflecting surface-assisted MISO communication system

Tongxin xuebao, 2022
Intelligent reflecting surface (IRS) improves the physical layer security of the communication systems by adjusting the phases of the reflecting units.A scheme of physical layer security design based on alternative iteration was proposed for IRS-assisted
Xiaorong JING, Zhenyuan SONG, Wei GAO, Weijia LEI, Qianbin CHEN   +4 more
doaj   +2 more sources

An Energy-Efficient Optimization Method for High-Speed Rail Communication Systems Assisted by Intelligent Reflecting Surfaces (IRS)

Applied Sciences, 2023
This paper proposes an intelligent reflecting surface (IRS)-assisted energy efficiency optimization algorithm to address the problem of energy efficiency (EE) degradation in high-speed rail communication systems caused by line-of-sight link blockages between base stations and trains.
Cuiran Li, Yongjie Lu, Jianli Xie, Zepeng Zhang   +3 more
openaire   +2 more sources

Ionic–Bionic Interfaces: Advancing Iontronic Strategies for Bioelectronic Sensing and Therapy

Advanced Science, EarlyView.
Ionic–bionic interfaces for bioelectronics leverage ions as multifunctional mediators that combine mechanical compliance, ionic and electronic functionalities, and therapeutic effects. These systems offer real‐time biosignal transduction, effective wound dressing, responsive drug delivery, and seamless interaction between soft tissues and electronic ...
Yun Goo Ro, Yoojin Chang, Jeeyoon Kim, Seungjae Lee, Sangyun Na, Cheolhong Park, Hyunhyub Ko   +6 more
wiley   +1 more source

Joint Constellation and Reflectance Optimization for Tunable Intelligent Reflecting Surface-Aided VLC Systems

Photonics
The intelligent reflecting surface (IRS) is an emerging technology that can conquer visible light communication’s (VLC) dependency on the line-of-sight (LoS) channel by offering additional non-light-of-sight (NLoS) communication links.
Linqiong Jia, Qikai Wang, Yijin Zhang
doaj   +1 more source

A geometry‐based stochastic channel model and its application for intelligent reflecting surface assisted wireless communication

IET Communications, 2021
Intelligent reflecting surface (IRS) is a new concept originating from metamaterials, which can achieve beamforming through controllable passive reflecting.
Jian Dang, Shicheng Gao, Yongdong Zhu, Rongbin Guo, Hao Jiang, Zaichen Zhang, Liang Wu, Bingcheng Zhu, Lei Wang   +8 more
doaj   +1 more source

Physical Characteristics Analysis on Intelligent Reflecting Surface for High Speed Telecommunication Networks [PDF]

The paper mainly focuses on the physical characteristics analysis of an intelligent reflecting surface for high-speed telecommunication networks. The research problem in this study are (i) To overcome the bottleneck, a novel transmission scheme, named ...
Aye, Mya Mya, Pradhan, Devasis, Soe, Khaing Thandar, Su Win, Naw Aye Myat Su, Tun, Hla Myo, Win, Khin Kyu Kyu, Win, Lei Lei Yin, Win, Thanda   +7 more
core   +2 more sources

Aqueous Zinc‐Based Batteries: Active Materials, Device Design, and Future Perspectives

Advanced Energy Materials, EarlyView.
This review conducts a comprehensive analysis of aqueous zinc‐based batteries (AZBs) based on their intrinsic mechanisms, including redox reactions, ion intercalation reactions, alloying reactions, electrochemical double‐layer reactions, and mixed mechanisms, systematically discussing recent advancements in each type of AZBs.
Yan Ran, Fang Dong, Shuhui Sun, Yong Lei
wiley   +1 more source