Results 61 to 70 of about 1,074 (202)

Terahertz Channel Modeling, Estimation and Localization in RIS‐Assisted Systems

Advanced Electronic Materials, EarlyView.
Reconfigurable intelligent surfaces have become a recent intensive research focus. Based on practical applications, channel strategies for RIS‐assisted terahertz wireless communication systems are categorized into three different types: channel modeling, channel estimation, and channel localization.
Hongjing Wang, Weipeng Wang, Xuan Cong, Shiyu Wang, Gao Li, Sen Gong, Lin Huang, Hongxin Zeng, Yaxin Zhang, Ziqiang Yang   +9 more
wiley   +1 more source

Underwater Optical Wireless Communications Link for Short-Range Data Transmission: A Proof of Concept Study [PDF]

, 2020
Gemstone Team OPTICThe purpose of this thesis is to lay the groundwork for the development of a cost-effective Underwater Optical Wireless Communications system.
Nix, William, Klawson, Daniel, Chen, Andrew, Good, Thomas, Grissom, Miles, Salvatierra, Edward, Agarwal, Arjun, Levit, Jacob, Piqué, Michael, Zhao, Nicholas   +9 more
core   +1 more source

Recent Advances, Future Trends, Applications and Challenges of Internet of Underwater Things (IoUT): A Comprehensive Review

Journal of Marine Science and Engineering, 2023
Oceans cover more than 70% of the Earth’s surface. For various reasons, almost 95% of these areas remain unexplored. Underwater wireless communication (UWC) has widespread applications, including real-time aquatic data collection, naval surveillance ...
Syed Agha Hassnain Mohsan, Yanlong Li, Muhammad Sadiq, Junwei Liang, Muhammad Asghar Khan   +4 more
doaj   +1 more source

Guiding and Manipulating Light Fields in Microstructured Liquid Crystals

Advanced Physics Research, EarlyView.
This review summarizes recent advances in guided‐wave optics enabled by microstructured liquid crystal (LC) devices, covering their fundamental material properties, key degree of freedom for dynamic light field manipulations. The advances of linear guided‐wave optics, nonlinear‐optics with spatial optical solitons, and microlasers in LC‐based devices ...
Shan‐shan Chang, Yong‐shuai Li, Jin‐hui Chen   +2 more
wiley   +1 more source

Organic Photodetectors and Sensors for Low‐Light and Infrared Applications

Electron, EarlyView.
This mini review highlights recent advances in organic photodetectors and sensors for low‐light and infrared applications, emphasizing molecular design, device architectures, and interface engineering that improve charge transport, detectivity, speed, and spectral selectivity.
Swarup Biswas, Hyeok Kim
wiley   +1 more source

Recent advances in multifunctional soft robots: A materials–structures–systems co‐design perspective for synergistic integration

FlexMat, EarlyView.
Abstract Soft robots, engineered from highly compliant materials, offer superior adaptability and safety in unstructured environments compared to their rigid counterparts. Recent advancements, fueled by bio‐inspiration and material programmability, have led to the rapid co‐evolution of their core modules: actuation, sensing, protection, energy, and ...
Qiulei Liu, Zicao Peng, Chong Sun, Haitao Yang   +3 more
wiley   +1 more source

Wavelength dependent channel characterization for underwater optical wireless communications

, 2014
The underwater scattering channel for line-of-sight (LOS) underwater optical wireless communications in the transmission window (wavelength of 400nm-600nm) is modeled by a ray tracing technique.
Liuqing Yang, Difan Zou, Peilin Wang, Xu, Zhengyuan, Yang, Liuqing, Weihao Liu, Wang, Peilin, Liu, Weihao, Zhengyuan Xu, Zou, Difan   +9 more
core   +1 more source

Beyond 5G and Non‐terrestrial Network (NTN) Integrated Architecture: Access Challenges for Expanding Artificial Intelligence of Things (AIoT)

International Journal of Satellite Communications and Networking, Volume 44, Issue 4, Page 378-393, July/August 2026.
ABSTRACT This study analyzes the architecture of the beyond 5G‐NTN (Non‐terrestrial Network) integrated network and presents the technical, legal, and regulatory challenges and considerations for expanding the Artificial Intelligence of Things (AIoT) ecosystem.
Byung Woon Kim, Ga Eun Choi
wiley   +1 more source

Underwater Wireless Sensor Networks: A Survey on Enabling Technologies, Localization Protocols, and Internet of Underwater Things

IEEE Access, 2019
Underwater communication remains a challenging technology via communication cables and the cost of underwater sensor network (UWSN) deployment is still very high.
Mohammed Jouhari, Khalil Ibrahimi, Hamidou Tembine, Jalel Ben-Othman   +3 more
doaj   +1 more source

Deep Learning Aided Signal Detection for SPAD-Based Underwater Optical Wireless Communications

IEEE Access, 2020
In underwater optical wireless communication (UOWC) systems, using single photon avalanche photondiode (SPAD) as the detector can improve the transmission distance. However, the signal detection for SPAD-based systems is greatly challenged by the complex
Rui Jiang, Caiming Sun, Long Zhang, Xinke Tang, Hongjie Wang, Aidong Zhang   +5 more
doaj   +1 more source