Results 21 to 30 of about 3,841,285 (278)
IEEE Photonics Journal, 2023 Turbulence is an intractable issue for underwater optical wireless communication (UOWC). In this paper, the effects of temperature-induced turbulence on the UOWC system with correlated single-input multiple-output (SIMO) channel are comprehensively ...
Weijie Liu +3 more
doaj +1 more source
IEEE Photonics Journal, 2023 To address existing issues in conventional correlation method, we propose an improved synchronization method for photon-counting-based underwater optical wireless communication system employing on-off keying modulation.The proposed method jointly ...
Nuo Huang +3 more
doaj +1 more source
Recent developments in indoor optical wireless systems [PDF]
, 2008 An overview of the developments in optical wireless systems viewed from the traditional communications viewpoint of transmitter, channel and receiver is presented.
Leeson, Mark S. +3 more
core +1 more source
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
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
core +2 more sources
Iteration Time Prediction for CNN in Multi-GPU Platform: Modeling and Analysis
IEEE Access, 2019 Neural networks, as powerful models for many difficult learning tasks, have created an increasingly heavy computational burden. More and more researchers focus on how to optimize the training time, and one of the difficulties is to establish a general ...
Ziqian Pei +4 more
doaj +1 more source
IEEE Photonics Journal, 2022 We consider 3-dimensional (3D) visible light positioning (VLP) based on smartphone camera in an indoor scenario. Based on the positioning model in the quantized pixel-domain, we characterize the 3D normalized positioning error metric (NPEM) through the ...
Jiaojiao Xu, Nuo Huang, Chen Gong
doaj +1 more source
Indoor gigabit optical wireless communications: challenges and possibilities [PDF]
, 2010 Indoor Gigabit optical wireless communication systems have the potential to offer multiple high-speed data services that can be delivered to homes via an optical fibre cable in the near future. In this paper we will discuss the challenges involved in the
Ghassemlooy, Zabih +11 more
core +1 more source
Optical wireless for intravehicle communications : a channel viability analysis [PDF]
, 2012 This paper provides an initial analysis into the viability of implementing an optical wireless system for intravehicle communications. Based on the use of a simple linearly scalable infrared light-emitting-diode transmitter, the results for received ...
Mark S. Leeson +5 more
core +1 more source
Multi-user indoor optical wireless communication system channel control using a genetic algorithm [PDF]
, 2011 A genetic algorithm controlled multispot transmitter is demonstrated that is capable of optimising the received power distribution for randomly aligned single element receivers in multiple fully diffuse optical wireless communications systems with ...
M.S. Leeson +7 more
core +1 more source