Browsing Electrical & Electronics Engineering by Subject "Visible light communications"
Now showing items 1-20 of 31
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Channel modeling for visible light communications
(Springer Science+Business Media, 2016)In this chapter, we present a novel and realistic channel modeling approach for visible light communications that overcomes to the limitations of previous works. In our work, we consider wavelength dependency, effect of ... -
Channel modelling for indoor visible light communications
(Royal Society Publishing, 2020-04-17)Visible light communication (VLC) allows the dual use of light-emitting diodes (LEDs) for wireless communication purposes in addition to their primary purpose of illumination. As in any other communication system, realistic ... -
CoMP-based dynamic handover for vehicular VLC networks
(IEEE, 2020-09)Visible light communication (VLC) has emerged as a potential wireless connectivity solution for infrastructure-to-vehicle networks where street lights can be configured to serve as access points. In this letter, we propose ... -
A cross-layer design for dynamic resource management of VLC networks
(IEEE, 2021-03)In this article, we propose a cross-layer resource management mechanism for an indoor multiuser visible light communication (VLC) access network. The physical layer builds upon DC-biased orthogonal frequency division ... -
Deep Q-learning based optimization of VLC systems with dynamic time-division multiplexing
(IEEE, 2020)The traditional method to solve nondeterministic-polynomial-time (NP)-hard optimization problems is to apply meta-heuristic algorithms. In contrast, Deep Q Learning (DQL) uses memory of experience and deep neural network ... -
Distance and power based experimental verification of channel model in visible light communication
(IEEE, 2019)In this work, a channel model for line-of-sight (LOS) in visible light communication is elaborated. In the proposed channel model, there is no optical component, such as filter or lens, between the transmitting LED and the ... -
Effect of fog and rain on the performance of vehicular visible light communications
(IEEE, 2018-07-20)In Intelligent Transportation Systems, visible light communication (VLC) has emerged as a powerful candidate to enable wireless connectivity in vehicle-to-vehicle (V2V) and vehicle-to- infrastructure (V2I) links. While VLC ... -
Emerging optical wireless communications-advances and challenges
(IEEE, 2015-09)New data services and applications are emerging continuously and enhancing the mobile broadband experience. The ability to cope with these varied and sophisticated services and applications will be a key success factor for ... -
Experimental validation of a novel RLL code for visible light communication
(IEEE, 2020)Flicker arising in visible light communication (VLC) system is typically mitigated by run-length-limited (RLL) codes. The IEEE 802.15.7 standard proposes RLL codes according to the modulation type and data rate. In this ... -
A flexible OLED VLC system for an office environment
(IEEE, 2020)The potential use of flexible substrate-based organic light emitting diodes (OLEDs) as curved or rolled lighting sources offers news opportunities for the implementation of visible light communications (VLC) in indoor ... -
FoVLC: foveation based data hiding in display transmitters for visible light communications
(IEEE, 2018-08-28)Visible light communications is an emerging architecture with unlicensed and huge bandwidth resources, security, and experimental implementations and standardization efforts. Display based transmitter and camera based ... -
Handover in VLC networks with coordinated multipoint transmission
(IEEE, 2018-01-31)In this work, we consider a cellular visible light communication (VLC) network where each ceiling luminary serves as an access point (AP). The network is assumed to support coordinated multipoint transmission (CoMP). The ... -
Indoor channel modelling and characterization for visible light communications
(IEEE, 2014)In this paper, we investigate channel modeling for visible light communications using ray tracing approach. The simulation environment is created in Zemax® and enables us to specify the geometry of the environment, the ... -
Limited feedback channel estimation for multi-user massive mimo visible light communications
(IEEE, 2020)Building on the existing illumination infrastructure, visible light communication (VLC) utilizes light emitting diode (LED) luminaries as wireless access points. The presence of large number of ceiling lights in conference ... -
Magnitude and wrap-phase OFDM for MIMO visible light communication systems
(IEEE, 2021-07)Generalized light emitting diode (LED) index modulation (GLIM) has been proposed as an effective multiple-input multiple-output (MIMO) orthogonal frequency division multiplexing (OFDM) scheme for visible light communications ... -
A mobile channel model for vlc and application to adaptive system design
(IEEE, 2017-05)In this letter, we propose a realistic channel model for visible light communication (VLC) assuming a mobile user. Based on non-sequential ray tracing, we first obtain channel impulse responses for each point over the user ... -
Multi-user visible light communications: State-of-the-art and future directions
(IEEE, 2018)Visible light communications (VLC) builds upon the dual use of existing lighting infrastructure for wireless data transmission. VLC has recently gained interest as cost-effective, secure, and energy-efficient wireless ... -
Optimal resource allocation and interference management for multi-user uplink light communication systems with angular diversity technology
(IEEE, 2020)Light communication (LC) technology has been regarded as a promising candidate for future indoor wireless networks by providing safe, power-efficient, and high data rate communications needed for tomorrow's applications. ... -
Performance evaluation of vehicle-to-vehicle visible light communications in the presence of denial of service attacks
(IEEE, 2019-06)Visible Light Communication (VLC) has been proposed as an efficient vehicle-to-vehicle (VLC) connectivity solution for Intelligent Transportation Systems. By using the preexisting hardware in vehicles (headlights and ... -
Pilot-aided channel estimation on SC-PAM based visible light communications
(IEEE, 2018-07-02)Estimation of the time-varying optical wireless channel response is crucial in order to decode received signals coherently. In this work, we investigate symbol-error-rate and mean absolute error performance of different ...
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