Results 21 to 30 of about 2,222,192 (302)
Optical wireless communications utilizing a dicode PPM PIN-BJT receiver [PDF]
, 2005 Original results are presented for an optical wireless system employing dicode pulse position modulation (DiPPM) and a PIN-BJT receiver. When operating at and a bit rate of 10 Mb/s a sensitivity of –51 dBm (Pe=10-9) is achieved and this represents a ...
Cryan, R.A., Menon, M.
core +1 more source
The Journal of Engineering, 2013 This study provides an insight into the effectiveness of an optical network unit (ONU) sleep technique, where a subcomponent of the ONU is powered down during the absence of input traffic.
Susumu Nishihara +5 more
doaj +1 more source
Broadband Backhaul Communication for Stratospheric Platforms: The Stratospheric Optical Payload Experiment (STROPEX) [PDF]
, 2006 A high bitrate optical downlink was performed by the stratospheric optical payload experiment (STROPEX), a part of the EU CAPANINA project. The STROPEX objectives were to design and build the necessary hardware to demonstrate an optical backhaul downlink
Knapek, Markus +9 more
core +1 more source
Bandwidth-Efficient WDM-CAP-PON Using Digital Hilbert Single-Sideband Modulation
IEEE Photonics Journal, 2015 We propose a wavelength division multiplexing-carrier-less amplitude/phase modulation-passive optical network (WDM-CAP-PON) downstream with enhanced bandwidth efficiency using low-cost digital Hilbert single-sideband modulation.
Z. Dong, J. Yu, J. Lu
doaj +1 more source
Dynamic Optical Wireless Power Transfer for Electric Vehicles
IEEE Access, 2023 This research proposes and analyzes a dynamic optical wireless power transfer (OWPT) system for wireless charging of aerial and ground electric vehicles (EVs).
Dinh Hoa Nguyen
doaj +1 more source
Optical High-Capacity Satellite Downlinks via High-Altitude Platform Relays [PDF]
, 2007 Earth-observation (EO) satellite missions produce a large amount of data using high-resolution optical or radar sensors. During the last decades the amount of data has steadily increased due to improved sensor technologies with increased temporal ...
Florian Moll +13 more
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Optical Transmitters without Driver Amplifiers—Optimal Operation Conditions
Applied Sciences, 2018 An important challenge in optical communications is the generation of highest-quality waveforms with a Mach–Zehnder modulator with a limited electrical swing (Vpp).
Arne Josten +4 more
doaj +1 more source
Laser-induced ultrasound transmitters for large-volume ultrasound tomography
Photoacoustics, 2022 We present a protocol for the design, fabrication and characterisation of laser-induced ultrasound transmitters with a specific, user-defined frequency response for the purpose of ultrasound tomography of large-volume biomedical samples.
D. Thompson +3 more
doaj +1 more source
IEEE Photonics Journal, 2013 Recent advances in transmitters for optical fiber communications that exploit the powerful capabilities of digital signal processing and digital-to-analog conversion are reviewed.
J. C. Cartledge, A. S. Karar
doaj +1 more source
Measurement Based Reconfigurations in Optical Ring Metro Networks [PDF]
, 2005 Single-hop wavelength division multiplexing (WDM) optical ring networks operating in packet mode are one of themost promising architectures for the design of innovative metropolitan network (metro) architectures. They permit a cost-effective design, with
J. M. FINOCHIETTO +7 more
core +1 more source