Results 21 to 30 of about 231,801 (304)
Underwater Optical Wireless Communications in Swarm Robotics: A Tutorial
IEEE Communications Surveys and Tutorials, 2021 Underwater swarm robotics is an emerging topic. Compared to individual autonomous vehicles, high-capacity communication links are required between the mobile agents.
P. Hoeher, Jan Sticklus, Andrej Harlakin
semanticscholar +1 more source
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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Journal of Lightwave Technology, 2022 This paper presents an empirical comparison of different modulation schemes in still and turbulent water conditions. Using an underwater channel emulator, it is shown that pulse position modulation (PPM) and subcarrier intensity modulation (SIM) have an ...
Callum T. Geldard +3 more
semanticscholar +1 more source
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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Visible Light Communications towards 5G [PDF]
, 2015 5G networks have to offer extremely high capacity for novel streaming applications. One of the most promising approaches is to embed large numbers of co-operating small cells into the macro-cell coverage area.
Chvojka, P. +3 more
core +4 more sources
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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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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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, Osama Zwaid +2 more
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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
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