Results 41 to 50 of about 246,737 (191)
IEEE Access, 2023 This paper studies and provides a performance analysis for the atmospheric influence on the visibility in Free Space Optical Communications (FSOC). With a focus on ground station-satellite links, it aims to present and analyse the most commonly used ...
Javier Garcia Olmedo +1 more
doaj +1 more source
Investigation of turbulence effect on the free space optical link for ground-to-train communications [PDF]
, 2011 There is a growing demand for high mobility and ultrafast internet/data services which drives the motivation for free space optical (FSO) communications for high speed trains.
Ghassemlooy, Zabih +4 more
core
Sensors, 2022 Free space optical (FSO) communication can support various unmanned aerial vehicles’ (UAVs) applications that require large capacity data transmission.
Siwoong Park +6 more
doaj +1 more source
Planets as background noise sources in free space optical communications [PDF]
, 1986 Background noise generated by planets is the dominant noise source in most deep space direct detection optical communications systems. Earlier approximate analyses of this problem are based on simplified blackbody calculations and can yield results that ...
Katz, J.
core +1 more source
Dynamic Adaptive Beam Control System Using Variable Focus Lenses for Laser Inter-Satellite Link
IEEE Photonics Journal, 2022 One of technical challenges in laser inter-satellite link (ISL) is the mitigation of performance degradation caused by pointing errors and angle-of-arrival (AoA) fluctuations arising unavoidably from satellite movements and vibrations.
Kwanyong Lee, Vuong Mai, Hoon Kim
doaj +1 more source
Evaluation of Optimal Visible Wavelengths for Free-Space Optical Communications
TelecomFree-space optical (FSO) communications have emerged as a promising complement to conventional radio-frequency (RF) systems due to their high bandwidth, low interference, and license-free spectrum.
Modar Dayoub, Hussein Taha
doaj +1 more source
LED Based Optical Wireless Communication System for WBAN [PDF]
Mehran University Research Journal of Engineering and Technology, 2016 In this paper the O-WBANs (Optical Wireless Body Area Networks) is presented as an alternative to the radio and microwave BANs which are plagued with issues like interference, power hungry, hazardous and costly spectrum.
ATTIYA BAQAI +2 more
doaj
Free-space laser optical link simulation software [PDF]
, 2008 GDAF (Displays and Photonics Applications Group) in Electronics Technology Department at University Carlos III de Madrid develops a hardware-software application for a communications free-space optical link, in a Project with INSA corp.
Vergaz Benito, Ricardo
core +1 more source
Emulation and Testbed Prototyping of Laser Beam Propagation Characteristics through Atmospheric Turbulence for Optical Satellite Feeder Links [PDF]
EPJ Web of ConferencesTwo classical scenarios in space communications can be examined to evaluate the link performance of free space optical communications (FSO). These scenarios include the downlink and uplink between earth ground stations and near earth geostationary (GEO ...
Al-Juboori Haider M.
doaj +1 more source
Free-space and underwater GHz data transmission using AlGaInN laser diode technology [PDF]
, 2016 Laser diodes fabricated from the AlGaInN material system is an emerging technology for defence and security applications; in particular for free space laser communication.
Boćkowski, M. +11 more
core +1 more source