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Event cameras, featuring high temporal resolution and high dynamic range, offer visual sensing capabilities comparable to conventional image sensors while capturing fast-moving objects and handling scenes with extreme lighting contrasts…

Robotics · Computer Science 2025-10-21 Ryota Soga , Masataka Kobayashi , Tsukasa Shimizu , Shintaro Shiba , Quan Kong , Shan Lu , Takaya Yamazato

Optical wireless communication (OWC) covering an ultra-wide range of unlicensed spectrum has emerged as an extent efficient solution to mitigate conventional RF spectrum scarcity ranging from communication distances from nm to several…

Information Theory · Computer Science 2020-12-02 Abu Jahid , Mohammed H. Alsharif , Trevor J. Hall

Visible light communications (VLC) is an emerging technology with a promise of viable solution to spectrum crunch problem in conventional radio frequency (RF) bands. In this work, we consider a downlink multiuser VLC network where users…

Information Theory · Computer Science 2019-02-26 Yavuz Yapici , Ismail Guvenc

This paper presents an analysis of the asymmetric relaying system which provides communication between hybrid outdoor sub-system and indoor visible light communications (VLC) access points. The outdoor sub-system represents a hybrid…

Networking and Internet Architecture · Computer Science 2022-09-23 Milica Petkovic , Aleksandra Cvetkovic , Milan Narandzic

This study explores the use of Visible Light Communication (VLC) in Collective Perception (CP), a technology that enables vehicles and infrastructure to share sensor information to help reduce traffic accidents. Recent advances in…

Signal Processing · Electrical Eng. & Systems 2026-05-26 Kosuke Nakano , Shan Lu , Takaya Yamazato

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

A multimode optical receiver for free space optical communications (FSOC) based on a photonic lantern and adaptive optics coherent beam combining (CBC) of the lantern's single-mode outputs is proposed and demonstrated for the first time.…

One of the main problems encountered with Free Space Optical (FSO) Communication system is the atmospheric turbulence. Although many solutions exist for combating this effect, they have either high complexity or low performance. In this…

Signal Processing · Electrical Eng. & Systems 2019-12-30 M. A. Amirabadi

Deploying Vision-Language Models (VLMs) on edge devices remains challenging due to their substantial computational and memory demands, which exceed the capabilities of resource-constrained embedded platforms. Conversely, fully offloading…

Machine Learning · Computer Science 2026-04-30 Cyril Shih-Huan Hsu , Wig Yuan-Cheng Cheng , Chrysa Papagianni

Indoor localization systems based on Visible Light Communication (VLC) have shown promising advantages compared with systems based on other wireless technologies. In these systems, many VLC light-emitting diode (LED) anchors are employed in…

Signal Processing · Electrical Eng. & Systems 2019-03-18 Duc-Phuc Nguyen , Dinh-Dung Le

As a power and bandwidth efficient modulation scheme, the optical spatial modulation (SM) technique has recently drawn increased attention in the field of visible light communications (VLC). To guarantee the number of bits mapped by the…

Information Theory · Computer Science 2018-07-27 Jin-Yuan Wang , Hong Ge , Jian-Xia Zhu , Jun-Bo Wang , Jianxin Dai , Min Lin

The main limitation of visible light communication (VLC) is the narrow modulation bandwidth, which reduces the achievable data rates. In this paper, we apply the non-orthogonal multiple access (NOMA) scheme to enhance the achievable…

Information Theory · Computer Science 2015-12-01 Hanaa Marshoud , Vasileios M. Kapinas , George K. Karagiannidis , Sami Muhaidat

This paper presents an approach for visible light communication-based indoor positioning using compressed sensing. We consider a large number of light emitting diodes (LEDs) simultaneously transmitting their positional information and a…

Information Theory · Computer Science 2018-05-04 Kristina Gligoric , Manisha Ajmani , Dejan Vukobratovic , Sinan Sinanovic

We present a complete Visible Light Communications (VLC) transceiver system consisting of low-cost Commercial-Off-The-Shelf (COTS) components. In particular, we show that COTS IEEE 802.11n (WiFi) devices can be used so that the physical and…

Networking and Internet Architecture · Computer Science 2020-01-29 Piotr Gawłowicz , Elnaz Alizadeh Jarchlo , Anatolij Zubow

Visible light positioning (VLP) is widely believed to be a cost-effective answer to the growing demanded for robot indoor positioning. Considering that some extreme environments require robot to be equipped with a precise and…

Robotics · Computer Science 2020-11-17 Hongyun Xie , Linyi Huang , Wenfei Wu

Optical satellite uplinks rely on high-power optical amplifiers (HPOAs) to overcome free-space attenuation and enable long-distance transmission. However, at high power levels, fiber Kerr nonlinearity becomes significant and degrades system…

Information Theory · Computer Science 2026-03-10 Stella Civelli , Luca Potì , Enrico Forestieri , Marco Secondini

With the wireless internet access being increasingly popular with services such as HD video streaming and so on, the demand for high data consuming applications is also rising. This increment in demand is coupled with a proportional rise in…

Networking and Internet Architecture · Computer Science 2024-07-26 Haneet Kour , Rakesh Kumar Jha , Sanjeev Jain

Integrated visible light positioning and communication (VLPC), capable of combining advantages of visible light communications (VLC) and visible light positioning (VLP), is a promising key technology for the future Internet of Things. In…

Information Theory · Computer Science 2023-05-24 Shuai Ma , Ruixin Yang , Chun Du , Hang Li , Youlong Wu , Naofal Al-Dhahir , Shiyin Li

Visible Light Communication (VLC) is a rapidly growing technology which can supplement the current radio frequency (RF) based wireless communication systems. VLC can play a huge part in solving the ever-increasing problem of spectrum…

Networking and Internet Architecture · Computer Science 2020-12-03 Sifat Ibne Mushfique , Ahmad Alsharoa , Murat Yuksel

Visible light positioning (VLP) is an accurate indoor positioning technology that uses luminaires as transmitters. In particular, circular luminaires are a common source type for VLP, that are typically treated only as point sources for…

Signal Processing · Electrical Eng. & Systems 2022-04-19 Zhiyu Zhu , Caili Guo , Rongzhen Bao , Mingzhe Chen , Walid Saad , Yang Yang