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Channel adaptive signalling, which is based on feedback, can result in almost any performance metric enhancement. Unlike the radio frequency (RF) channel, the optical wireless communications (OWCs) channel is fairly static. This feature…

Information Theory · Computer Science 2017-08-14 Mohammad Dehghani Soltani , Xiping Wu , Majid Safari , Harald Haas

Light-fidelity (LiFi) is a fully-networked bidirectional optical wireless communication (OWC) that is considered a promising solution for high-speed indoor connectivity. Unlike in conventional radio frequency wireless systems, the OWC…

Signal Processing · Electrical Eng. & Systems 2020-07-23 Mohamed Amine Arfaoui , Mohammad Dehghani Soltani , Iman Tavakkolnia , Ali Ghrayeb , Chadi Assi , Majid Safari , 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

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

Light-fidelity (LiFi) is a fully-networked bidirectional optical wireless communication (OWC) that is considered a promising solution for high-speed indoor connectivity. Unlike in conventional radio frequency wireless systems, the OWC…

Signal Processing · Electrical Eng. & Systems 2020-01-28 Mohamed Amine Arfaoui , Mohammad Dehghani Soltani , Iman Tavakkolnia , Ali Ghrayeb , Chadi Assi , Majid Safari , Harald Haas

Wireless communications are characterized by their unpredictability, posing challenges for maintaining consistent communication quality. This paper presents a comprehensive analysis of various prediction models, with a focus on achieving…

Networking and Internet Architecture · Computer Science 2025-09-24 Gabriele Formis , Gianluca Cena , Lukasz Wisniewski , Stefano Scanzio

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

In this paper, we report for the first time on a new channel modelling technique for multi-link LiFi scenarios. By considering simplified numerical calculation, it models the links between multiple optical frontends and multiple mobile…

Networking and Internet Architecture · Computer Science 2021-10-29 Sreelal Maravanchery Mana , Kerolos Gabra Kamel Gabra , Sepideh Mohammadi Kouhini , Peter Hellwig , Jonas Hilt , Volker Jungnickel

Wireless access to data using visible light, popularly known as light-fidelity (Li-Fi), is one of the key emerging technologies which promises huge bandwidths and data rates. In Li-Fi, the data is modulated on optical intensities and…

Information Theory · Computer Science 2018-08-01 Atchutananda Surampudi , Radha Krishna Ganti

The new generation of communication technologies are constantly being pushed to meet a diverse range of user requirements such as high data rate, low power consumption, very low latency, very high reliability and broad availability. To…

Information Theory · Computer Science 2022-02-15 Anil Yesilkaya , 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

Light-fidelity (LiFi) is a networked optical wireless communication (OWC) solution for high-speed indoor connectivity for fixed and mobile optical communications. Unlike conventional radio frequency wireless systems, the OWC channel is not…

Information Theory · Computer Science 2018-10-01 Mohammad Dehghani Soltani , Ardimas Andi Purwita , Zhihong Zeng , Harald Haas , Majid Safari

In this paper, we demonstrate the communication capabilities of light-fidelity (LiFi) systems based on highbrightness and high-bandwidth integrated laser-based sources in a surface mount device (SMD) packaging platform. The laserbased…

The concept of a large intelligent surface (LIS) has recently emerged as a promising wireless communication paradigm that can exploit the entire surface of man-made structures for transmitting and receiving information. An LIS is expected…

Information Theory · Computer Science 2019-12-30 Minchae Jung , Walid Saad , Youngrok Jang , Gyuyeol Kong , Sooyong Choi

The increasing need for robustness, reliability, and determinism in wireless networks for industrial and mission-critical applications is the driver for the growth of new innovative methods. The study presented in this work makes use of…

Networking and Internet Architecture · Computer Science 2025-12-04 Gabriele Formis , Amanda Ericson , Stefan Forsstrom , Kyi Thar , Gianluca Cena , Stefano Scanzio

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

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

The adoption of wireless communications and, in particular, Wi-Fi, at the lowest level of the factory automation hierarchy has not increased as fast as expected so far, mainly because of serious issues concerning determinism. Actually,…

Networking and Internet Architecture · Computer Science 2022-11-08 Gianluca Cena , Stefano Scanzio , Adriano Valenzano

The looming electromagnetic spectrum crisis -- due to the fact of the explosive growth in the increasing user data demand -- has encouraged the emergence of new wireless technologies. This paper surveys the state-of-the-art leading and…

Signal Processing · Electrical Eng. & Systems 2023-03-20 Victor Monzon Baeza , Rafael Arellano Garcia

Seamless redundancy can be profitably exploited to improve predictability of wireless networks in general and, in particular, IEEE 802.11. According to this approach, packets are transmitted by senders on two (or more) channels at the same…

Networking and Internet Architecture · Computer Science 2022-11-01 Gianluca Cena , Stefano Scanzio , Adriano Valenzano
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