Long-term outdoor measurements using a rate-adaptive hybrid optical wireless/60 GHz link over 100 m

Schulz, Dominic; Jungnickel, Volker; Das, Sushmita; Hohmann, Julian; Hilt, J. Zach; Hellwig, Peter; Paraskevopoulos, A.; Freund, Ronald

doi:10.1109/icton.2017.8024823

Cited by 8 publications

(6 citation statements)

References 9 publications

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“…Another critical factor in the development of vehicular VLC channels is the impact of weather conditions. While there are earlier works on infrared channel modelling in the presence of different weather conditions [21], these are not applicable to vehicular VLC links due to different operation wavelength. In an effort to address this, the effect of artificially generated rain and fog on the received optical signal was quantified for a red coloured taillight LED using a laboratory chamber in [22] and [23].…”

mentioning

confidence: 99%

Channel Modelling and Performance Limits of Vehicular Visible Light Communication Systems

Karbalayghareh

Miramirkhani

Eldeeb

et al. 2020

IEEE Trans. Veh. Technol.

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HAL is a multi-disciplinary open access archive for the deposit and dissemination of scientific research documents, whether they are published or not. The documents may come from teaching and research institutions in France or abroad, or from public or private research centers. L'archive ouverte pluridisciplinaire HAL, est destinée au dépôt et à la diffusion de documents scientifiques de niveau recherche, publiés ou non, émanant des établissements d'enseignement et de recherche français ou étrangers, des laboratoires publics ou privés.

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confidence: 99%

Channel Modelling and Performance Limits of Vehicular Visible Light Communication Systems

Karbalayghareh

Miramirkhani

Eldeeb

et al. 2020

IEEE Trans. Veh. Technol.

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“…Importantly, a major issue for VLC based vehicular channels represent the atmospheric weather conditions, which influences have been sparely reported in literature. In [16], the effect of weather conditions was quantified based on an infrared LED point to point outdoor communication link. This cannot be applied directly to vehicular VLC links employing the visible wavelength and with limited light intensities (in order to control glare for other road users and eye safety regulations).…”

Section: Introductionmentioning

confidence: 99%

Experimental Investigation of the Effects of Fog on Optical Camera-based VLC for a Vehicular Environment

Eso

Burton

Hassan

et al. 2019

2019 15th International Conference on Telecommunications (ConTEL)

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The widespread increase in the use of light emitting diodes in vehicle's head and taillights and also the use of dashboard cameras provides great prospects for the optical camera based visible light communications (VLC) technology in intelligent transport systems. In this paper, we experimentally investigate the impact of fog on the optical camera based VLC technology for vehicle-to-vehicle (V2V) communications. A range of meteorological visibilities between 5-120 m is considered based on realistic inter-vehicle distances in practical vehicular environments and using a real car taillight as the transmitter. We show a reduction in the index of modulation of the signals from 1 to 0.75 and 0.5 to allow for tracking purposes of the light source when sending '0' symbols. The results show that, the link is error-free up to 20 m meteorological visibility for the three modulation index scenarios and degrades considerably below 10 m meteorological visibility.

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“…Since vehicular VLC systems operate in outdoor medium, their performance in adverse weather conditions such as rain and fog are also important. These have been further investigated in [10,11].…”

Section: Introductionmentioning

confidence: 99%

Vehicle-to-Vehicle Visible Light Communication: How to select receiver locations for optimal performance?

Eldeeb

Uysal

2019

2019 11th International Conference on Electrical and Electronics Engineering (ELECO)

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Visible light communication (VLC) utilizes vehicle headlights as wireless transmitters and has emerged as a strong candidate for vehicle-to-vehicle (V2V) communications. In majority of works on V2V VLC systems, a common underlying assumption is that two vehicles within the same lane follow each other in a perfect alignment. In practical scenarios, a precise alignment is not available between two vehicles even if they are in the same lane. In this paper, we consider a VLC-based V2V system where the destination vehicle is equipped with four photodetectors for an omni-directional coverage. We use ray tracing simulations for channel modelling and calculate the received power for practical cases with imperfect alignment between two vehicles. In addition, we investigate the performance for lane changes. Our simulation results provide insight into which photodetectors are essential for each scenario under consideration.

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Long-term outdoor measurements using a rate-adaptive hybrid optical wireless/60 GHz link over 100 m

Cited by 8 publications

References 9 publications

Channel Modelling and Performance Limits of Vehicular Visible Light Communication Systems

Channel Modelling and Performance Limits of Vehicular Visible Light Communication Systems

Experimental Investigation of the Effects of Fog on Optical Camera-based VLC for a Vehicular Environment

Vehicle-to-Vehicle Visible Light Communication: How to select receiver locations for optimal performance?

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