Browsing Electrical & Electronics Engineering by Subject "Ray tracing"
Now showing items 1-20 of 20
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Channel measurements and ray tracing simulations for MIMO light communication at 200 MHz
(IEEE, 2020-09)In this paper, we investigate 2 × 2 MIMO light communication channels using non-sequential ray tracing simulations, and measurements over 200 MHz bandwidth using a MIMO channel sounder. Results indicate good agreement ... -
Channel modeling and characterization for visible light communications
(IEEE, 2015-12)In this paper, we present a comprehensive channel modeling and characterization study for visible light communications. Our study is based on ray tracing, which allows for an accurate description of the interaction of rays ... -
Channel modeling and performance characterization of underwater visible light communications
(IEEE, 2018-07-03)Underwater visible light communication (UVLC) has emerged as an attractive complementary solution to long-range acoustic communication and is able to achieve much higher data speeds. In this paper, we investigate the ... -
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 and performance limits of vehicular visible light communication systems
(IEEE, 2020-07)Visible light communication (VLC) has been proposed as an alternative or complementary technology to radio frequency vehicular communications. Front and back vehicle lights can serve as wireless transmitters making VLC a ... -
Channel modelling for light communications: Validation of ray tracing by measurements
(IEEE, 2020)Light communications, also denoted as LiFi, is promising for future wireless indoor networks. For performance evaluation, the IEEE P802.15.13 and P802.11bb standardization groups agreed upon channel models based on ... -
A comparative evaluation of propagation characteristics of vehicular VLC and MMW channels
(IEEE, 2023)Vehicle-to-vehicle (V2V) communication is an underlying key technology to realize future intelligent transportation systems. Both millimeter wave (MMW) communication and visible light communication (VLC) are strong candidates ... -
Distributed MIMO for Li-Fi: Channel measurements, ray tracing and throughput analysis
(IEEE, 2021-08-15)LiFi has been considered as a promising candidate for future wireless indoor networks. The IEEE P802.15.13 and P802.11bb standardization groups agreed upon channel models generated using the non-sequential ray tracing ... -
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 ... -
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 ... -
Infrastructure-to-vehicle visible light communications: Channel modelling and performance analysis
(IEEE, 2022-03)Visible light communication (VLC) has emerged as a potential wireless connectivity solution for infrastructure-to-vehicle (I2V) communications. In this paper, we investigate the performance of I2V VLC systems with access ... -
MAC layer performance of multi-hop vehicular VLC networks with CSMA/CA
(IEEE, 2020)Majority of works in the field of vehicular visible light communication (VLC) networks are based on some ideal assumptions. Particularly, the ideal Lambertian pattern is assumed for channel modeling and only a simple ... -
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 ... -
Performance characterization of underwater visible light communication
(IEEE, 2019-01)In this paper, we investigate the performance limits of underwater visible light communication (UVLC) systems. We first develop a closed-form path loss expression as a function of transceiver parameters and water type. We ... -
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 ... -
Vehicular visible light communications with SPAD receivers
(IEEE, 2019)Light emitting diodes (LEDs) are increasingly used in automotive exterior lighting. The expected wide availability of LED-based front and back lights makes visible light communication (VLC) a natural vehicular connectivity ... -
Vehicular VLC: A ray tracing study based on measured radiation patterns of commercial taillights
(IEEE, 2021-08-15)In this letter, we investigate the performance of vehicular visible light communications based on the radiation patterns of different commercial taillights (TLs) using non-sequential ray tracing simulations. Our simulation ... -
ViLDAR-Visible light sensing-based speed estimation using vehicle headlamps
(IEEE, 2019-11)The introduction of light emitting diodes (LED) in automotive exterior lighting systems provides opportunities to develop viable alternatives to conventional communication and sensing technologies. Most of the advanced ... -
Visible light channel modeling for gas pipelines
(IEEE, 2018-04)In this paper, we explore the use of visible light communication as a means of wireless monitoring in gas pipelines. In an effort to shed light on the communication limits in the presence of gas, we create a three-dimensional ... -
Visible light communication channel modeling for underwater environments with blocking and shadowing
(IEEE, 2018)In this paper, we present a comprehensive channel modeling and characterization study for underwater visible light communications. Our study is based on the advanced ray tracing, which allows for an accurate description ...
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