A genetic algorithm method for optical wireless channel control [PDF]
, 2009 A genetic algorithm controlled multispot transmitter is proposed as an alternative approach to optimizing the power distribution for single element receivers in fully diffuse mobile indoor optical wireless communication systems. By specifically tailoring
Leeson, Mark S. +2 more
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Spatial modulation for generalized MIMO: challenges, opportunities and implementation [PDF]
, 2013 A key challenge of future mobile communication research is to strike an attractive compromise between wireless network's area spectral efficiency and energy efficiency.
Renzo, Marco Di +13 more
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Channel estimation and transmit power control in wireless body area networks [PDF]
, 2014 Wireless body area networks have recently received much attention because of their application to assisted living and remote patient monitoring. For these applications, energy minimisation is a critical issue since, in many cases, batteries cannot be ...
Glover, Ian A. +10 more
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Current optical technologies for wireless access [PDF]
, 2009 The objective of this paper is to describe recent activities and investigations on free-space optics (FSO) or optical wireless and the excellent results achieved within SatNEx an EU-framework 6th programme and IC 0802 a COST action.
Sheikh Muhammed, S. +8 more
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Nonlinearity and Noise Effects in Multi-level Signal Millimeter-Wave over Fiber Transmission using Single- and Dual-Wavelength Modulation [PDF]
, 2010 We transmit multilevel quadrature amplitude modulation (QAM) data-IEEE 802.16 schemes-at 20 MSps and an orthogonal frequency-division multiplexing (OFDM) 802.11 g signal (54 Mbps) with a 25 GHz millimeter-wave over fiber system, which employs a dual ...
Jeanne James +9 more
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Promising perovskite solar cells for optical wireless power transmission
Scilight, 2020 Widegap CH3NH3PbBr3 solar cells exhibit 20.2% efficiency under blue LEDs, showing potential for optical wireless power transmission.
openaire +1 more source
Photovoltaic Receivers for Optical Wireless Power Transfer and Communication
Optical power transmission uses special photovoltaic cells, also known as photonic power converters, to convert transmitted light into electricity. In optical communication, modulated light is used to transmit data.
Helmers, Henning
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Turbo-coded star-QAM for cooperative wireless and optical-fiber communications [PDF]
, 2012 A low-complexity cooperative wireless and optical-fiber communication scheme is proposed for uplink communication in a Fractional Frequency Reuse (FFR) based multicell, multiuser system.
Liang, Dandan +3 more
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High speed short range optical wireless ground-to-train communications [PDF]
, 2010 There is a huge demand for seamless high-speed communications in fast moving trains. People want broadband services while on board as in their home or in the workplace.
Ghassemlooy, Zabih +3 more
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Free Space Optical Link for Simultaneous Power and 1 Gb/s Data Transmission
, 2021 S.23-24We study the trade-off between power and data transfer for a two-meter wireless gallium-arsenide laser and photovoltaic link. The use of orthogonal frequency-division multiplexing with adaptive bit and power loading results in a peak data rate of ...
Haas, H., Fakidis, J., Helmers, Henning
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