Results 11 to 20 of about 3,841,285 (278)
High-speed Optical Wireless Communications
Optical Fiber Communication Conference, 2014 This tutorial provides a review on high-speed optical wireless communications: Application scenarios, indoor propagation, adaptive transmission schemes using OFDM and single carrier, WDM, recent milestones reached and early ideas towards “cellular” optical wireless networks.
Volker Jungnickel +2 more
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MIMO MC-CDMA Systems over indoor optical wireless communication channels [PDF]
, 2011 Optical wireless communication systems offer a number of advantages over their radio frequency counterparts. The advantages include freedom from fading, freedom from spectrum regulations and abundant bandwidth.
Alsaadi, Fuad Eid S
core +6 more sources
Analytical and simulation performance modelling of indoor infrared wireless data communications protocols [PDF]
The Infrared (IR) optical medium provides an alternative to radio frequencies (RF) for low cost, low power and short-range indoor wireless data communications. Low-cost optoelectronic components with an unregulated IR spectrum provide the potential for
Barker, Peter Jay
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IEEE Photonics Journal, 2023 The laser spot center positioning is an essential step for camera-based terminal positioning and alignment in a long-distance laser-based underwater optical wireless communication (UOWC) system.
Weijie Liu +4 more
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Scalable Graph Convolutional Networks With Fast Localized Spectral Filter for Directed Graphs
IEEE Access, 2020 Graph convolutional neural netwoks (GCNNs) have been emerged to handle graph-structured data in recent years. Most existing GCNNs are either spatial approaches working on neighborhood of each node, or spectral approaches based on graph Laplacian ...
Chensheng Li +4 more
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Sample Efficient Reinforcement Learning Method via High Efficient Episodic Memory
IEEE Access, 2020 Reinforcement Learning (RL), especially Deep Reinforcement Learning (DRL), has made great progress in many areas, such as robots, video games and driving.
Dujia Yang +4 more
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IEEE Access, 2020 Phase shifters, often applied for analog beamforming in hybrid millimeter wave systems, are usually imperfect with random phase and gain errors brought by manufacture imperfections.
Wendi Wang +3 more
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IEEE Photonics Journal, 2023 This article investigates the characteristics of the signal-dependent noise (SDN) and corresponding modulation design in nonlinear visible light communication (VLC) systems.
Jiaqi Wei +3 more
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Optical Wireless Cabin Communication System [PDF]
2019 IEEE Conference on Standards for Communications and Networking (CSCN), 2019 Offering a high data rate to users inside the cabin is attractive for the aircraft building companies. This paper presents an optical wireless system that uses visible light for transmitting data. The reading light for each seat is used as a transmitter in this work to offer high data rates.
Alsulami, OZ +2 more
openaire +4 more sources
IEEE Access, 2020 Massive Multiple Input Multiple Output (MIMO) has great potential to improve spectrum efficiency in the fifth generation (5G) wireless communication systems.
Kun Zhang, Wendi Wang, Huarui Yin
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