Results 121 to 130 of about 21,299 (341)
High-speed Optical Wireless Communications
Optical Fiber Communication Conference, 2014 This tutorial provides a review on high-speed optical wireless communications: Application scenarios, indoor propagation, adaptive transmission schemes using OFDM and single carrier, WDM, recent milestones reached and early ideas towards “cellular” optical wireless networks.
Volker Jungnickel +2 more
openaire +2 more sources
Learning‐Based Soft Robotic Grasping: Recent Progress and Remaining Challenges
Advanced Robotics Research, EarlyView.This review analyzes learning‐based soft robotic grasping from a pipeline‐oriented perspective, encompassing soft gripper design, multimodal sensing, and learning‐based planning and control. It surveys key neural network architectures and benchmark datasets and identifies critical challenges such as sim‐to‐real transfer, generalization, and continual ...
Arnab Majumder +3 more
wiley +1 more source
High speed short range optical wireless ground-to-train communications
, 2010 There is a huge demand for seamless high-speed communications in fast moving trains. People want broadband services while on board as in their home or in the workplace.
Ghassemlooy, Zabih +3 more
core
Wireless myths, realities, and futures: from 3G/4G to optical and quantum wireless
, 2012 This paper evaluates both the operational third-generation (3G) as well as the emerging fourth-generation (4G) wireless systems and investigates new technologies that might transpire and change things in the future.
O'Brien, D. +11 more
core +1 more source
Advanced Science, EarlyView.Photonic time crystals (PTCs) are systems in which electromagnetic parameters are modulated periodically in time, producing momentum bandgaps via temporal scattering rather than spatial Bragg processes. This review examines the theoretical frameworks, modeling, and computational tools for time‐varying media, and summarizes experimental demonstrations ...
Ranjan Kumar Patel +3 more
wiley +1 more source
Techniques for signal to noise ratio adaptation in infared optical wireless for optimisation of receiver performance [PDF]
The challenge of creating a new environment of links for wireless infrared and optical local area networks (LANs) is driving new innovations in the design of optical transceivers.
Abdullah, Mohammad Faiz Liew
core
, 2016 We report an indoor optical wireless communication system based on 2D optical beam steering at using arrayed waveguide gratings. A data rate of 10Gbps is demonstrated with NRZ-OOK modulation maintaining BER ≤ 10-9, while keeping the optical transmitted ...
Cao, Z. +12 more
core +1 more source
Advanced Science, EarlyView.Laser‐induced graphene (LIG) provides a scalable, laser‐direct‐written route to porous graphene architecture with tunable chemistry and defect density. Through heterojunction engineering, catalytic functionalization, and intrinsic self‐heating, LIG achieves highly sensitive and selective detection of NOX, NH3, H2, and humidity, supporting next ...
Md Abu Sayeed Biswas +6 more
wiley +1 more source
Frontiers in PhysicsUnderwater wireless optical sensor networks require high-speed, long-range, and scalable underwater wireless optical communication/ultra-wideband hybrid links to enable real-time data transmission and reliable communication between sensors and surface ...
Ammar Armghan +8 more
doaj +1 more source
Smart Nanotechnologies for Multimodal Neuromodulation and Brain Interfacing
Advanced Science, EarlyView.Recent advances in smart nanotechnologies are expanding the toolbox for brain interfacing, from wireless neuromodulation and high‐resolution sensing to targeted delivery within the central nervous system. By combining responsive nanomaterials with bioinspired design, these platforms enable multimodal interactions with neurons and glia, while also ...
Tommaso Curiale +6 more
wiley +1 more source