Results 41 to 50 of about 8,747,987 (147)

Multilevel modulated signal transmission over serial single-mode and multimode fiber links using vertical-cavity surface-emitting lasers for millimeter-wave wireless communications [PDF]

open access: yes, 2007
Quadrature phase-shift keying, 16 quadrature amplitude modulation (QAM), and 64-QAM data transmission-Worldwide Interoperability for Microwave Access modulation schemes-at 6 and 20 MS/s is demonstrated for a link that emulates a cost-effective 1.55-m ...
Shen, Pengbo   +3 more
core   +1 more source

Impact of a textile layer on joint optical data and power transfer to in-body devices: a study on an ex vivo approach

open access: yesScientific Reports
Wireless connectivity is required in modern in-body electronic devices (IEDs), such as in-body sensors. However, their frequent wireless communication operations will consume more energy than those of conventional IEDs.
Syifaul Fuada, Marcos Katz
doaj   +1 more source

Resources Scheduling Algorithm in Power Wireless Private Network Based on SDON

open access: yesInternational Journal of Optics, 2017
With the increasing of the business carried by the power wireless private network and the continuous development of the new network technology, the problems in the traditional mode of power wireless private network are becoming more and more obvious.
Ningzhe Xing
doaj   +1 more source

A Real-Time, Full-Duplex System for Underwater Wireless Optical Communication: Hardware Structure and Optical Link Model

open access: yesIEEE Access, 2020
Underwater wireless optical communication (UWOC) has been widely considered a supplement to traditional underwater acoustic communication. A real-time UWOC video delivery system was developed in a laboratory water tank based on a field-programmable gate ...
Jinjia Li   +6 more
doaj   +1 more source

Two-Stage Link Loss Optimization of Divergent Gaussian Beams for Narrow Field-of-View Receivers in Line-of-Sight Indoor Downlink Optical Wireless Communication (Invited)

open access: yesPhotonics, 2023
The predominant focus of research in high-speed optical wireless communication (OWC) lies in line-of-sight (LOS) links with narrow infrared beams. However, the implementation of precise tracking and steering necessitates delicate active devices, thereby ...
Xinda Yan   +5 more
doaj   +1 more source

The performance of a dual header pulse position modulation in the presence of artificial light interferences in an indoor optical wireless communications channel with wavelet denoising [PDF]

open access: yes, 2011
Problem statement - Similar to other baseband modulation schemes, the performance of the Dual Header Pulse Interval Modulation (DH-PIM) is adversely affected by Artificial Light Interferences (ALI) in an indoor Optical Wireless Communications (OWC ...
Ghassemlooy, Zabih   +2 more
core   +1 more source

Fully Photonic Wireless Link for Transmission of Synchronization Signals [PDF]

open access: yesRadioengineering, 2016
Rapid industrialization and increasing demand of business tools for high-speed communications supports the request for optical communications in free space. Copper cables and related technologies such as cable modems and Digital Subscriber Line (DSL) are
O. Wilfert, P. Barcik, Z. Kolka
doaj  

A fusion networking model for smart grid power distribution backbone communication network based on PTN

open access: yesMATEC Web of Conferences, 2016
In current communication network for distribution in Chinese power grid systems, the fiber communication backbone network for distribution and TD-LTE power private wireless backhaul network of power grid are both bearing by the SDH optical transmission ...
Wang Hao, Chen Yongtao, Cai Jitao
doaj   +1 more source

Demonstration of Bi-Directional Point-to-Multipoint Coherent PON Using Digital Subcarrier Multiplexing for Broadband Access and Wireless Fronthaul

open access: yesIEEE Photonics Journal
The integration of fiber and wireless communications presents a promising avenue to enhance communication networks, supporting the evolution of 5G-A/6G technologies, which includes upgrades to traditional access networks and mobile X-haul.
Shuang Gao   +14 more
doaj   +1 more source

Optical Wireless Power Transmission

open access: yesOptical Wireless Power Transmission
identifier:oai:t2r2.star.titech.ac.jp ...
openaire   +3 more sources

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