Results 81 to 90 of about 4,116,524 (296)

From Photoalignment to Structured Light: Liquid Crystal Platforms for Beam Shaping and Complex Wavefronts

Advanced Functional Materials, EarlyView.
Photoaligned and photopatterned liquid crystal platforms provide programmable control of optical phase, polarization, and spin‐orbit interactions, enabling compact generation of structured light and complex wavefronts. This review highlights how tailored molecular orientations transform simple beams into designed optical fields, opening versatile ...
Le Zhou, Tingjun Zhong, Sijie Liu, Pouya Nosratkhah, Ke Xu, Yuzhen Zhao, Kristiaan Neyts   +6 more
wiley   +1 more source

Cooperative communication technology based on relay antenna in high-speed train scenario

Journal of Measurement Science and Instrumentation, 2018
The user signal quality as well as the performance of transmission link experiences severe loss due to wireless channel fading and propagation loss in high-speed railway scenario.To improve the quality at the receiving end,spatial diversity was realized ...
LEI Xi-qian, JIANG Zhan-jun, FENG Jing, HE Jie-wen   +3 more
doaj  

NLOS Dies Twice: Challenges and Solutions of V2X for Cooperative Perception

IEEE Open Journal of Intelligent Transportation Systems
Multi-agent multi-sensor fusion between connected vehicles for cooperative perception has recently been recognized as the best technique for minimizing the occluded zone of individual vehicular perception system and further enhancing the overall safety ...
Lantao Li, Wenqi Zhang, Xiaoxue Wang, Tao Cui, Chen Sun   +4 more
doaj   +1 more source

Design of Connectivity Preserving Flocking Using Control Lyapunov Function

Journal of Robotics, 2016
This paper investigates cooperative flocking control design with connectivity preserving mechanism. During flocking, interagent distance is measured to determine communication topology of the flocks.
Bayu Erfianto, Riyanto T. Bambang, Hilwadi Hindersah, Intan Muchtadi-Alamsyah   +3 more
doaj   +1 more source

Interface‐Defect Synergy Engineering of Amorphous Ga2O3 for Voltage‐Tunable Dual‐Mode Optoelectronic Devices: Self‐Powered Imaging and Neuromorphic Vision

Advanced Functional Materials, EarlyView.
An interface‐defect co‐engineered strategy enables bias‐programmable integration of self‐powered photodetection and low‐power synaptic functionalities within a single‐material amorphous Ga2O3 device. This design achieves reversible switching via voltage modulation, supporting high‐contrast imaging and visual memory, and demonstrates a neuromorphic ...
Wanjun Li, Aijiang Yan, Lijuan Ye, Xuanyu Shan, Chunyan Liu, Hong Zhang, Shuren Zhou, Honglin Li, Di Pang, Yan Tang, Guoping Qin, Zhongqiang Wang, Peng Yu, Zhenxiang Cheng   +13 more
wiley   +1 more source

Cooperative Non-Orthogonal Multiple Access with Energy Harvesting

Information, 2017
In this paper, we analyze the outage probability of an amplify-and-forward (AF) cooperative non-orthogonal multiple access (NOMA) model in multi-relay multiuser networks.
Weidong Guo, Yunfeng Wang
doaj   +1 more source

The application of advanced computational algorithms used for cooperative communication transmission of vehicular networks: a proposed method. [PDF]

PeerJ Comput Sci, 2023
Cui X, Chen G.
europepmc   +1 more source

Reconstructing Quantum Dot Surfaces via Dual‐Functional Ligand Pairing Enables Efficient Shortwave Infrared Optoelectronics

Advanced Functional Materials, EarlyView.
This work presents a ligand‐pairing strategy that reconstructs lead sulfide quantum dot surfaces for efficient short‐wave infrared optoelectronics. A low‐reactivity thiourea precursor combined with hydrobromic acid enables monodisperse and fully passivated quantum dots.
Dongeon Kim, Minjung Yang, Yunjin Lee, Gaeun Cho, Min‐Jae Si, Jaewoo Jeong, Seoryeon Jeong, Sol‐Hee Kim, Taeho Han, Seungin Jee, Byeong‐Chan Kim, Woong Kim, Seungmin Lee, Jun Hong Noh, Han Seul Kim, Yujin Jung, Se‐Woong Baek   +16 more
wiley   +1 more source

Superposition Network Coding for Wireless Cooperative Communication

International Journal of Information and Communication Technology Research, 2013
Spatial diversity can be exploited by the use of cooperative communication technology. However, most of the well known cooperative protocols have some practical challenges.
Ali Fazeli, Mohammad Javad Omidi, Hamid Saeedi Sourck   +2 more
doaj  

The Bayesian brain and cooperative communication in schizophrenia. [PDF]

J Psychiatry Neurosci, 2022
Palaniyappan L, Venkatasubramanian G.
europepmc   +1 more source