Results 21 to 30 of about 8,908,075 (288)

Design of monitoring system for coal mine roof separation based on WaveMesh network and STM32

Meikuang Anquan, 2022
In view of the traditional coal mine roof separation layer monitoring system maintenance difficult, inconvenient installation, low flexibility, and the unstable signal transmission, high power consumption and short service period of the wireless ...
WU Shitao, TANG Jianquan, YANG Jie
doaj   +1 more source

Recent developments in indoor optical wireless systems [PDF]

, 2008
An overview of the developments in optical wireless systems viewed from the traditional communications viewpoint of transmitter, channel and receiver is presented.
Leeson, Mark S., Higgins, Matthew D., Green, Roger, Joshi, Harita, H. Joshi, M.S. Leeson, R.J. Green, M.D. Higgins   +7 more
core   +1 more source

Optimisation of Lambertian order for indoor non-directed optical wireless communication [PDF]

, 2012
This paper studies the optimised Lambertian order (OLO) of light-emitting diodes (LEDs) for an indoor non-directed line of sight optical wireless communication (NLOS-OWC) systems.
Ghassemlooy, Zabih, H. Le Minh, Z. Ghassemlooy, Minh, Hao Le, Wu, Dehao, D. Wu, Tang, Xuan, Khalighi, Mohammad-Ali, Rajbhandari, Sujan, M. A. Khalighi, S. Rajbhandari, Le Minh, Hoa   +11 more
core   +1 more source

Low-Latency Optical Wireless Data-Center Networks Using Nanoseconds Semiconductor-Based Wavelength Selectors and Arrayed Waveguide Grating Router

Photonics, 2022
In order to meet the massively increasing requirements of big-data applications, data centers (DCs) are key infrastructures to cope with the associated demands, such as high performance, easy scalability, low cabling complexity and low power consumption.
Shaojuan Zhang, Xuwei Xue, Eduward Tangdiongga, Nicola Calabretta   +3 more
doaj   +1 more source

Analysis and Experiment of Laser Energy Distribution of Laser Wireless Power Transmission Based on a Powersphere Receiver

Photonics, 2023
Laser wireless power transmission (WPT) is one of the most important technologies in the field of long-range power transfer. This technique uses a laser as a transmission medium instead of conventional physical or electrical connections to perform WPT ...
Tiefeng He, Guoliang Zheng, Qingyang Wu, Haixuan Huang, Lili Wan, Keyan Xu, Tianyu Shi, Zhijian Lv   +7 more
doaj   +1 more source

Wireless Photometry Prototype for Tri-Color Excitation and Multi-Region Recording

Micromachines, 2022
Visualizing neuronal activation and neurotransmitter release by using fluorescent sensors is increasingly popular. The main drawback of contemporary multi-color or multi-region fiber photometry systems is the tethered structure that prevents the free ...
Aatreya Chakravarti, Amin Hazrati Marangalou, Ian Matthew Costanzo, Devdip Sen, Mirco Sciulli, Yusuke Tsuno, Ulkuhan Guler   +6 more
doaj   +1 more source

Optical generation and wireless transmission of 60 GHz OOK signals using gain switched laser [PDF]

, 2010
We present a novel, simple and cost effective system for optical millimeter-wave generation and transmission of 3 Gbps data based on gain switching.
Anandarajah, Prince M., Barry, Liam P., Shams, Haymen, Perry, Philip   +3 more
core   +2 more sources

Vertical Cavity Surface Emitting Laser Performance Maturing through Machine Learning for High-Yield Optical Wireless Network

Micromachines, 2022
The high-yield optical wireless network (OWN) is a promising framework to strengthen 5G and 6G mobility. In addition, high direction and narrow bandwidth-based laser beams are enormously noteworthy for high data transmission over standard optical fibers.
Ammar Armghan, Khaled Aliqab, Farman Ali, Fayadh Alenezi, Meshari Alsharari   +4 more
doaj   +1 more source

Data Detection and Code Channel Allocation for Frequency-Domain Spread ACO-OFDM Systems Over Indoor Diffuse Wireless Channels [PDF]

, 2014
Future optical wireless communication systems promise to provide high-speed data transmission in indoor diffuse environments. This paper considers frequency-domain spread asymmetrically clipped optical orthogonal frequency-division multiplexing (ACOOFDM)
Chen, Ming, Jiang, Peng, Wang, Jin-Yuan, Wang, Jun-Bo, Wang, Jiangzhou   +4 more
core   +1 more source

Wireless data transmission for high energy physics applications

EPJ Web of Conferences, 2017
Silicon tracking detectors operated at high luminosity collider experiments pose a challenge for current and future readout systems regarding bandwidth, radiation, space and power constraints.
Dittmeier Sebastian, Brenner Richard, Dancila Dragos, Dehos Cedric, De Lurgio Patrick, Djurcic Zelimir, Drake Gary, Gonzalez Gimenez Jose Luis, Gustafsson Leif, Kim Do-Won, Locci Elizabeth, Pfeiffer Ullrich, Röhrich Dieter, Rydberg Anders, Schöning André, Siligaris Alexandre, Soltveit Hans Kristian, Ullaland Kjetil, Vincent Pierre, Rodriguez Vazquez Pedro, Wiedner Dirk, Yang Shiming   +21 more
doaj   +1 more source