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The new generation of LED-based illuminating infrastructures has enabled a "dual-paradigm" where LEDs are used for both illumination and communication purposes. The ubiquity of lighting makes visible light communication (VLC) well suited…

Networking and Internet Architecture · Computer Science 2018-01-31 Angli Liu , Jiangtao Li , Guobin Shen , Chao Sun , Liqun Li , Feng Zhao

In this paper, we propose a novel high dimensional constellation design scheme for visible light communication (VLC) systems employing red/green/blue light emitting diodes (RGB LEDs). It is in fact a generalized color shift keying (CSK)…

Information Theory · Computer Science 2014-10-23 Qian Gao , Chen Gong , Rui Wang , Zhengyuan Xu , Yingbo Hua

Providing high data rates is one of the big concerns in visible light communication (VLC) systems. This paper introduces a data centre design that use a VLC system for downlink communication. In this work, RYGB laser diodes (LD) are used as…

Signal Processing · Electrical Eng. & Systems 2019-03-30 Osama Zwaid Alsulami , Mohamed O. I. Musa , Mohammed T. Alresheedi , Jaafar M. H. Elmirghani

Visible Light Communication (VLC) is seen as a complementary wireless technology to Radio Frequency (RF). However, VLC is very sensitive to the signal blockage and suffers from shadowing due to the high directionality of the optical…

Networking and Internet Architecture · Computer Science 2020-02-06 Piotr Gawłowicz , Elnaz Alizadeh Jarchlo , Anatolij Zubow

Providing high data rates is one of the drivers in visible light communication (VLC) systems. This paper introduces a VLC system that employs transmitters diversity with beam steering to provide high data rates. In this work, red, yellow,…

Signal Processing · Electrical Eng. & Systems 2019-10-16 Osama Zwaid Alsulami , Mohammed T. Alresheedi , Jaafar M. H. Elmirghani

Multiple-input multiple-output (MIMO) techniques have recently demonstrated significant potentials in visible light communications (VLC), as they can overcome the modulation bandwidth limitation and provide substantial improvement in terms…

Information Theory · Computer Science 2017-02-07 Hanaa Marshoud , Paschalis C. Sofotasios , Sami Muhaidat , Bayan S. Sharif , George K. Karagiannidis

Indoor visible light communications (VLC) require simultaneous illumination and communication. Hence, uniformity in the illumination is a key consideration for user comfort and data transfer in VLC systems. Several run-length limited codes…

Signal Processing · Electrical Eng. & Systems 2019-01-28 T. Uday , Abhinav Kumar , L. Natarajan

In this letter, we consider intensity modulation/direct detection (IM/DD) channel in the visible light communication (VLC) systems with multiple transmitter phosphor-based white light emitting diodes (LED) and single receiver avalanche…

Information Theory · Computer Science 2015-09-25 Yan-Yu Zhang , Hong-Yi Yu , Yi-Jun Zhu , Jin-Long Wang

Event cameras offer high temporal resolution, low latency, and wide dynamic range, making them promising receivers for visible light communication (VLC) in vehicle-to-everything (V2X) applications. This work presents an event-camera-based…

Robotics · Computer Science 2026-05-08 Ryota Soga , Tsukasa Shimizu , Shintaro Shiba , Quan Kong , Shan Lu , Takaya Yamazato

Visible light communications (VLC) are motivated by the radio-frequency (RF) spectrum crunch and fast-growing solid-state lighting technology. VLC relies on white light emitting diodes (LEDs) to provide communication and illumination…

Information Theory · Computer Science 2014-06-25 Zhenhua Yu , Arthur J. Redfern , G. Tong Zhou

The limited bandwidth of optical wireless communication (OWC) front-end devices motivates the use of multiple-input-multiple-output (MIMO) techniques to enhance data rates. It is known that very high multiplexing gains could be achieved by…

Information Theory · Computer Science 2022-04-15 Anil Yesilkaya , Ardimas Andi Purwita , Erdal Panayirci , H. Vincent Poor , Harald Haas

This paper proposes an indoor visible light communication (VLC) system with multiple transmitters and receivers. Due to diffusivity of LED light beams, photodiode receive signals from many directions. We use one concave and one convex lens…

Signal Processing · Electrical Eng. & Systems 2021-01-12 Jiaqi Wei , Chen Gong , Nuo Huang , Zhengyuan Xu

Interconnecting devices in an indoor environment using the illumination system and white light emitting diodes (LED) requires adaptive networking techniques that can provide network access for multiple users. Two techniques based on…

Information Theory · Computer Science 2013-08-06 Mohammad Noshad , Maite Brandt-Pearce

While simulation tools for visible light communication (VLC) with photo detectors (PDs) have been widely investigated, similar tools for optical camera communication (OCC) with complementary metal oxide semiconductor (CMOS) sensors are…

Signal Processing · Electrical Eng. & Systems 2025-04-15 Srivathsan Chakaravarthi Narasimman , Arokiaswami Alphones

This paper contemplates a relay-assisted visible light communication (VLC) system, where the light source (Table lamp) acts as a relay node and cooperates with the main light source. Following the IEEE 802.15.7r1 VLC reference channel…

Networking and Internet Architecture · Computer Science 2023-07-11 L Bhargava Kumar , Ramavath Prasad Naik , Datta Choudhari , Prabu Krishnan , Goutham Simha G D , Jagadeesh V K

Visible light communication (VLC) is an attractive subset of optical communication that provides a high data rate in the access layer of the network. The combination of multiple inputmultiple output (MIMO) with a VLC system leads to a…

Information Theory · Computer Science 2023-09-25 Hamed Alizadeh Ghazijahani , Mahmoud Atashbar , Yong Liang Guan , Zhaojie Yang

The low-pass characteristics of front-end elements including light-emitting diodes (LEDs) and photodiodes (PDs) limit the transmission data rate of visible light communication (VLC) and Light Fidelity (LiFi) systems. Using multiplexing…

Signal Processing · Electrical Eng. & Systems 2022-09-21 Cheng Chen , Shenjie Huang , Iman Tavakkolnia , Majid Safari , Harald Haas

This paper presents an indoor visible light communication (VLC) system in conjunction with an imaging receiver with parallel data transmission (spatial multiplexing) to decrease the effects of inter-symbol interference (ISI). To distinguish…

Signal Processing · Electrical Eng. & Systems 2018-11-06 Safwan Hafeedh Younus , Aubida A. Al-Hameed , Ahmed Taha Hussein , Mohammed T. Alresheedi , Jaafar M. H. Elmirghani

The abundant optical spectrum is a promising part of the electromagnetic spectrum for 6G communication systems. The visible light spectrum which is a part of the optical spectrum, can be used to provide communication and illumination…

Signal Processing · Electrical Eng. & Systems 2020-08-06 Osama Zwaid Alsulami , T. E. H. El-Gorashi , Jaafar M. H. Elmirghani

Light-to-Camera Communications (LCC) have emerged as a new wireless communication technology with great potential to benefit a broad range of applications. However, the existing LCC systems either require cameras directly facing to the…

Emerging Technologies · Computer Science 2018-11-21 Fan Yang , Shining Li , Zhe Yang , Tao Gu , Cheng Qian
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