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In this paper, we demonstrate a laser-based optical wireless communication (OWC) system employing a 940 nm single-mode (SM) vertical cavity surface emitting laser (VCSEL) and a multi-mode (MM) fiber-coupled receiver, achieving a record data…

Signal Processing · Electrical Eng. & Systems 2025-10-07 Hossein Kazemi , Isaac N. O. Osahon , Nikolay Ledentsov , Ilya Titkov , Nikolay Ledentsov , Harald Haas

LiFi is a networked wireless communication technology transforming solid-state indoor lighting into a backbone for information. The technology has reached maturity, with the first LiFi LED luminaire commercialized in 2016. Real life…

Applied Physics · Physics 2018-02-07 Christophe Jurczak

LiFi (light-fidelity) is recognised as a promising technology for the next generation wireless access network. However, little research effort has been spent on the uplink transmission system in LiFi networks. In this paper, an analytical…

Information Theory · Computer Science 2019-05-01 Cheng Chen , Dushyantha Basnayaka , Ardimas Andi Purwita , Xiping Wu , Harald Haas

Light Fidelity (Li-Fi) is a networked version of optical wireless communication (OWC), which is a strong candidate to fulfill the unprecedented increase in user-traffic expected in the near future. In OWC, a high number of optical access…

Signal Processing · Electrical Eng. & Systems 2021-11-30 Ahmad Adnan Qidan , Taisir El-Gorashi1 , Jaafar M. H. Elmirghani

In this era of modern devices and high speed communication the issue of spectral overloading is increasing with time and becoming more serious. With the advancement in LED industry, light fidelity (Li-Fi) based indoor network is an…

Networking and Internet Architecture · Computer Science 2016-10-26 Farooq Aftab

Light Fidelity (LiFi) has emerged as a promising wireless technology that exploits the vast unlicensed optical spectrum to complement radio frequency networks. Recent advances in laser-based transmitters, particularly vertical-cavity…

Optics · Physics 2026-03-12 Hossein Safi , Iman Tavakkolnia , Harald Haas

Indoor wireless communication is an essential part of next generation wireless communication system.For an indoor communication number of users and their device are increasing very rapidly so as a result capacity of frequency spectrum to…

Networking and Internet Architecture · Computer Science 2016-06-10 Farooq Aftab , Muhammad Nafees Ulfat khan , Shahzad Ali

Real-time transmission of high-resolution video signals in an uncompressed and unencrypted format requires an ultra-reliable and low-latency communications (URLLC) medium with high bandwidth to maintain the quality of experience (QoE) for…

Signal Processing · Electrical Eng. & Systems 2025-08-01 Hossein Kazemi , Isaac N. O. Osahon , Tiankuo Jiao , David Butler , Nikolay Ledentsov , Ilya Titkov , Nikolay Ledentsov , Harald Haas

This paper provides a summary of available technologies required for implementing indoor laser-based wireless networks capable of achieving aggregate data-rates of terabits per second as widely accepted as a sixth generation (6G) key…

This article aims to bring a metric of capacities and applicability of Light Fidelity (Li-Fi) as a communication system through a direct comparison to subareas of Wireless Fidelity (Wi-Fi) communication, which is the main wireless…

Networking and Internet Architecture · Computer Science 2022-04-29 Kelvin I. Seibt , Victor A. Kich , Gabriel V. Heisler

We demonstrate an LED-based optical wireless link for fixed wireless access applications, at data rates of 1.5 Gbit/s over 50 m. Transmission between indoor equipment and outdoor access point is possible through metal-coated insulation…

Networking and Internet Architecture · Computer Science 2021-07-05 Dominic Schulz , Julian Hohmann , Peter Hellwig , Christoph Kottke , Ronald Freund , Volker Jungnickel , Ralf-Peter Braun , Frank Geilhardt

Light fidelity (LiFi), which is based on visible light communications (VLC), is celebrated as a cutting-edge technological paradigm that is envisioned to be an indispensable part of 6G systems. Nonetheless, LiFi performance is subject to…

Information Theory · Computer Science 2021-04-22 Hanaa Abumarshoud , Lina Mohjazi , Octavia A. Dobre , Marco Di Renzo , Muhammad Ali Imran , Harald Haas

Light fidelity (LiFi) is a potential key technology for future 6G networks. However, its feasibility of supporting mobile communications has not been fundamentally discussed. In this paper, we investigate the time-varying channel…

Systems and Control · Electrical Eng. & Systems 2023-12-21 Shuai Ma , Haihong Sheng , Junchang Sun , Hang Li , Xiaodong Liu , Chen Qiu , Majid Safari , Naofal Al-Dhahir , Shiyin Li

The paper proclaims a summary of Li-Fi technology. It is an efficient data communication mechanism involving visible light as a medium of transmission. This monograph introduces the concept of Li-Fi and its working model. Furthermore, it…

Networking and Internet Architecture · Computer Science 2016-10-20 Mihir Chauhan , Aditya Kulai

We all know that Wi-Fi is presently the most commonly used technology for data transmission and connecting devices to the Internet, at the same time due to much reasonable concern, (such as Wi-Fi can be vulnerable when it comes to hacking,…

Signal Processing · Electrical Eng. & Systems 2021-01-07 Auwal Tijjani Amshi

To tackle the rapidly growing number of mobile devices and their expanding demands for Internet services, network convergence is envisaged to integrate different technology domains. A recently proposed and promising approach to indoor…

Information Theory · Computer Science 2020-01-15 Xiping Wu , Mohammad Dehghani Soltani , Lai Zhou , Majid Safari , Harald Haas

The primary challenge in silicon photonics is achieving efficient luminescence in the communication band, crucial for its large-scale application. Despite significant efforts, silicon light sources still suffer from low efficiency and…

Optics · Physics 2025-08-12 Xiaobo Li , Jiajing He , Yaping Dan , Jun Wang

Light-fidelity (LiFi) is a wireless communication technology that employs both infrared and visible light spectra to support multiuser access and user mobility. Considering the small wavelength of light, the optical channel is affected by…

Signal Processing · Electrical Eng. & Systems 2024-10-30 Ardimas Andi Purwita , Mohammad Dehghani Soltani , Majid Safari , Harald Haas

Quantum-dash (QD) mode-locked laser diodes (MLLD) lend themselves as chip-scale frequency comb generators for highly scalable wavelength-division multiplexing (WDM) links in future data-center, campus-area, or metropolitan networks. Driven…

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
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