Results 11 to 20 of about 7,602,251 (213)

A Hybrid Optical Fiber and FSO System for Bidirectional Communications Used in Bridges [PDF]

open access: yesIEEE Photonics Journal, 2015
In this paper, a 10-Gb/s hybrid optical fiber (OF) and free-space optics (FSO) link as part of a bidirectional long-haul OF transmission for application in outdoor environments such as bridges is proposed.
Yi-Lin Yu   +4 more
doaj   +2 more sources

Revolutionizing Free-Space Optics: A Survey of Enabling Technologies, Challenges, Trends, and Prospects of Beyond 5G Free-Space Optical (FSO) Communication Systems. [PDF]

open access: yesSensors (Basel)
As the demand for high-speed, low-latency communication continues to grow, free-space optical (FSO) communication has gained prominence as a promising solution for supporting the next generation of wireless networks, especially in the context of the 5G and beyond era.
Alimi IA, Monteiro PP.
europepmc   +6 more sources

Kinerja Sistem Komunikasi FSO (Free Space Optics) Menggunakan Cell-site Diversity di Daerah Tropis [PDF]

open access: yesJurnal Teknik ITS, 2012
Kebutuhan masyarakat akan adanya layanan komunikasi multimedia seperti video conference, high speed internet, video streaming, dan lain sebagainya, saat ini terus meningkat. Untuk memenuhi kebutuhan tersebut, perlu adanya suatu sistem komunikasi nirkabel
Octiana Widyarena   +2 more
doaj   +4 more sources

Two-way free-space optics-based interface between fibre and 5G communication employing polarisation-orthogonal modulation

open access: yesCommunications Engineering, 2023
Fifth-generation (5G) communication provides a substantial increase in data transmission capacity because of more available bandwidth and advanced communication techniques.
Hai-Han Lu   +7 more
doaj   +1 more source

A Location-Aware Resource Optimization for Maximizing Throughput of Emergency Outdoor–Indoor UAV Communication with FSO/RF

open access: yesSensors, 2023
In emergency communication scenarios, unmanned aerial vehicles (UAVs) can be used as an air relay to provide higher-quality communication for indoor users.
Zinan Guo   +3 more
doaj   +1 more source

Performance analysis of 40 Gb/s free space optics transmission based on orbital angular momentum multiplexed beams

open access: yesAlexandria Engineering Journal, 2022
This paper explores the data carrying capacity enhancement in free space optics (FSO) transmission systems by employing orbital angular momentum (OAM) multiplexing technique.
Mehtab Singh   +3 more
doaj   +1 more source

A Hybrid Millimeter-Wave and Free-Space-Optics Communication Architecture with Adaptive Diversity Combining and HARQ Techniques

open access: yesPhotonics, 2023
We propose and demonstrate a hybrid communication architecture that combines millimeter-wave (MMW) in the radio frequency (RF) domain and free-space-optics (FSO) technologies using adaptive combining and hybrid automatic repeat request (HARQ) techniques.
Yinjun Liu   +8 more
doaj   +1 more source

Analysis of Free-Space Optics Development [PDF]

open access: yes, 2017
The article presents state of work in technology of free-space optical communications (Free Space Optics − FSO). Both commercially available optical data links and their further development are described.
Mikołajczyk Janusz   +7 more
core   +2 more sources

Feasibility Analysis Of Free Space Earth To Satellite Optical Link In Tropical Region

open access: yesInternational Islamic University Malaysia Engineering Journal, 2012
Free Space Optics (FSO) becomes a great attention because of the chances in transmitting data up to 2.5Gbps. There are a lot of advantages offered by FSO such as easily deployment with saving time and cost and no electromagnetic interference. In spite of
Norhanis Aida M. Nor   +2 more
doaj   +1 more source

Adaptive free space optic system based on visibility detector to overcome atmospheric attenuation

open access: yesResults in Physics, 2019
Free space optics (FSO) provides high data rate by allowing transmission of signal through atmosphere. FSO is affected by different weather conditions. The atmospheric attenuation is caused by two main factors; absorption and scattering.
Muhammad K. El-Nayal   +3 more
doaj   +1 more source

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