Results 231 to 240 of about 70,027 (278)

Optical Camera-Based Integrated Sensing and Communication for V2X Applications: Model and Optimization. [PDF]

Sensors (Basel)
Dong K, Cao W, Wang M.
europepmc   +1 more source

Dispersive Full-Channel Jones Matrix Modulation in Elliptical Polarization Bases via a Single-Layered Metasurface. [PDF]

Adv Sci (Weinh)
He H, Cao G, Zhang S, Xu H, Chen Z, Peng M, Jiang Y, Hu Y, Jing H, Duan H, Yang H.   +10 more
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Neural network-based optimal and adaptable power allocation for real-time FSO-RF communications using Jetson nano. [PDF]

Sci Rep
Akbari M, Olyaee S, Baghersalimi G.
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Performance analysis of an indoor visible light communication system using LED configurations and diverse photodetectors. [PDF]

Sci Rep
Elamrawy FM, El Aziz AA, Khamis S, Kasem H.   +3 more
europepmc   +1 more source

High-Speed Graphene-based Sub-Terahertz Receivers enabling Wireless Communications for 6G and Beyond

Koppens F, Soundarapandian K, Castilla S, Koepfli S, Marconi S, Kulmer L, Vangelidis I, Bastida Rdl, Rongione E, Tongay S, Watanabe K, Taniguchi T, Lidorikis E, Tielrooij K, Leuthold J.   +14 more
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Optical Superheterodyne Receiver

Applied Optics, 1967
Optical communications experiments at 6328 A, comparing the fading characteristics of coherent and noncoherent optical detection, have been performed over a 1-km real atmospheric path in different weather conditions. The results show that fading is less severe for noncoherent detection and that the fading characteristic for both types vary ...
R F, Lucy, K, Lang, C J, Peters, K, Duval   +3 more
openaire   +2 more sources

Flexible optical receivers

2012 14th International Conference on Transparent Optical Networks (ICTON), 2012
Coherent detection has boosted the applicability of digital signal processing (DSP) in optical fibre communication systems. Based on an universal physical structure, the digital coherent receiver is compatible with a wide range of modulation formats and propagation scenarios. The key for this flexibility lies on an extensive usage of receiver-side DSP.
Armando N. Pinto, Fernando P. Guiomar
openaire   +1 more source

Optical receiver design for high optical return loss

Applied Optics, 1992
A new fiber pigtailed optical receiver design using a single gradient-index rod lens with a beveled exit face achieved a broadband optical return loss of > 65 dB, which was limited by the diffuse reflection from the photodetector front surface. By contrast the optical return loss for a receiver with an unbeveled lens exit face and an on-axis optical ...
D M, Braun, W V, Sorin
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Optical communications receiver array

SPIE Proceedings, 2010
One of the major challenges to free space laser communications and ladar is the impact of turbulence on beam propagation, one example of which is signal fading. These impacts can be exacerbated on airborne platforms by turbulence in the vicinity of the laser system aperture and the platform wake.
Jonathan M. Saint Clair, Eric Y. Chan, Dennis G. Koshinz, Stephen K. Wilcken, David C. Soreide, Atul Joshi, Hakan Durmus   +6 more
openaire   +1 more source