Results 91 to 100 of about 21,299 (341)

Adaptive modulation schemes for optical wireless communication systems [PDF]

open access: yes
High-speed wireless optical communication links have become more popular for personal mobile applications. This is a consequence of the increasing demand from the personal information service boom.
Zeng, Yu
core  

2 x 80 Gbit/s DWDM Bidirectional Wavelength Reuse Optical Wireless Transmission

open access: yes, 2013
We demonstrate a practical 2×80 Gbit/s dense wavelength division multiplexing (DWDM) bidirectional short-range optical wireless link. The measured power penalties for the bidirectional transmission are less than 0.8 and 0.2 dB compared to the back-to ...
Ghassemlooy, Zabih   +5 more
core   +1 more source

Optical wireless for intravehicle communications : a channel viability analysis [PDF]

open access: yes, 2012
This paper provides an initial analysis into the viability of implementing an optical wireless system for intravehicle communications. Based on the use of a simple linearly scalable infrared light-emitting-diode transmitter, the results for received ...
Mark S. Leeson   +5 more
core   +1 more source

Information Transmission Strategies for Self‐Organized Robotic Aggregation

open access: yesAdvanced Robotics Research, EarlyView.
In this review, we discuss how information transmission influences the neighbor‐based self‐organized aggregation of swarm robots. We focus specifically on local interactions regarding information transfer and categorize previous studies based on the functions of the information exchanged.
Shu Leng   +5 more
wiley   +1 more source

A Comparative Survey of Optical Wireless Technologies: Architectures and Applications

open access: yesIEEE Access, 2018
New high-data-rate multimedia services and applications are evolving continuously and exponentially increasing the demand for wireless capacity of fifth-generation (5G) and beyond.
Mostafa Zaman Chowdhury   +3 more
doaj   +1 more source

Underwater optical wireless sensor network [PDF]

open access: yes
The thesis details the development of a short range, multi-hop underwater optical wireless sensor network. Multi-hop underwater optical wireless communication using a line of sight (LOS) link can provide a greater range compared to a single hop ...
Ahmad, Zahir Uddin
core  

Fully passive user localisation for beam-steered high-capacity optical wireless communication system [PDF]

open access: yes, 2020
Accurate device localisation within the 10cm pico-cell resolution of a 2D beam-steered optical wireless communication system is achieved by applying a large matrix of miniature corner-cube retro-reflectors.
Huijskens, Frans M.   +4 more
core   +1 more source

Soft Actuators Integrated with Control and Power Units: Approaching Wireless Autonomous Soft Robots

open access: yesAdvanced Robotics Research, EarlyView.
Soft robots exhibit significant development potential in various applications. However, there are still key technical challenges regarding material improvement, structure design and components integration. This review focuses on the development and challenge of soft actuators, power components, and control components in untethered intelligent soft ...
Renwu Shi, Feifei Pan, Xiaobin Ji
wiley   +1 more source

Broadband circularly polarized magneto-electric dipole antenna for millimeter-wave communication

open access: yesiScience
Summary: This article proposes a broadband circularly polarized (CP) magnetoelectric (ME) dipole antenna for millimeter-wave (mmW) communications.
Ting Wu, Chen Zhang
doaj   +1 more source

Current optical technologies for wireless access

open access: yes, 2009
The objective of this paper is to describe recent activities and investigations on free-space optics (FSO) or optical wireless and the excellent results achieved within SatNEx an EU-framework 6th programme and IC 0802 a COST action.
Sheikh Muhammed, S.   +8 more
core  

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