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Related papers: A Hybrid RF-VLC System for Energy Efficient Wirele…

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The present contribution proposes a general framework for the energy efficiency analysis of a hybrid visible light communication (VLC) and Radio Frequency (RF) wireless system, in which both VLC and RF subsystems utilize nonorthogonal…

Information Theory · Computer Science 2020-05-11 Ahmed Al Hammadi , Sami Muhaidat , Paschalis C. Sofotasios , Mahmoud Al-Qutayri , Hany Elgala

Limited radio frequency (RF) resources restrict the number of users that can participate in federated learning (FL) thus affecting FL convergence speed and performance. In this paper, we first introduce visible light communication (VLC) as…

Signal Processing · Electrical Eng. & Systems 2021-03-08 Chuanhong Liu , Caili Guo , Yang Yang , Mingzhe Chen , H. Vincent Poor , Shuguang Cui

A novel approach that combines visible light communication (VLC) with unmanned aerial vehicles (UAVs) to simultaneously provide flexible communication and illumination is proposed. To minimize the power consumption, the locations of UAVs…

Signal Processing · Electrical Eng. & Systems 2019-05-13 Yang Yang , Mingzhe Chen , Caili Guo , Chunyan Feng , Walid Saad

This paper investigates an indoor hybrid visible light communication (VLC) and radio frequency (RF) scenario with two-hop downlink transmission. A light emitting diode (LED) transmits both data and energy via VLC to an energy-harvesting…

Signal Processing · Electrical Eng. & Systems 2024-10-10 Amir Hossein Fahim Raouf , Chethan Kumar Anjinappa , Ismail Guvenc

Visible Light Communication (VLC) is emerging as a means to network computing devices that ameliorates many hurdles of radio-frequency (RF) communications, for example, the limited available spectrum. Enabling VLC in wearable computing,…

Networking and Internet Architecture · Computer Science 2018-03-26 Ambuj Varshney , Luca Mottola , Thiemo Voigt

In this paper, we consider an indoor downlink dual-hop hybrid visible light communication (VLC)/radio frequency (RF) scenario. For each transmission block, we dynamically allocate a portion of time resources to VLC and the other portion to…

Information Theory · Computer Science 2022-11-22 Amir Hossein Fahim Raouf , Chethan Kumar Anjinappa , Ismail Guvenc

The co-deployment of radio frequency (RF) and visible light communications (VLC) technologies has been investigated in indoor environments to enhance network performances and to address specific quality-of-service (QoS) constraints. In this…

Information Theory · Computer Science 2017-11-28 Marwan Hammouda , Sami Akın , Anna Maria Vegni , Harald Haas , Jürgen Peissig

Reliable data transmissions and offering better mobility to the end user can be achieved by integrating different communication systems. In this paper, we investigate the performance of a cascaded indoor power line communication…

Signal Processing · Electrical Eng. & Systems 2018-07-27 Waled Gheth , Khaled M. Rabie , Bamidele Adebisi , Muhammad Ijaz , Georgina Harris

This paper investigates the system outage performance of a useful architecture of two-way hybrid visible light communication/radio frequency (VLC/RF) communication using overlay mode of cooperative cognitive radio network (CCRN). The demand…

Networking and Internet Architecture · Computer Science 2022-05-31 Sutanu Ghosh , Mohamed-Slim Alouini

Visible Light Communication (VLC) is based on the dual use of the illumination infrastructure for wireless data communication. The major interest on this communication technology lies on its specific features to be a secure, cost-effective…

Networking and Internet Architecture · Computer Science 2019-03-29 Antonio Costanzo , Valeria Loscri , Mauro Biagi

Hybrid Radio Frequency/ Visible Light Communication (RF/VLC) systems have been recognized as effective means to enhance data rate. So far the study of data rate has been limited to downlink communications. In this letter, we study the…

Information Theory · Computer Science 2018-12-11 Shivanshu Shrivastava

Despite the promising high-data rate features of visible light communications (VLC), they still suffer from unbalanced services due to blockages and channel fluctuation among users. This paper introduces and evaluates a new transmission…

Information Theory · Computer Science 2019-08-29 Mohanad Obeed , Hayssam Dahrouj , Anas M. Salhab , Salam A. Zummo , Mohamed-Slim Alouini

Visible light communication (VLC) technology was introduced as a key enabler for the next generation of wireless networks, mainly thanks to its simple and low-cost implementation. However, several challenges prohibit the realization of the…

Artificial Intelligence · Computer Science 2021-10-08 Shimaa Naser , Lina Bariah , Sami Muhaidat , Mahmoud Al-Qutayri , Ernesto Damiani , Merouane Debbah , Paschalis C. Sofotasios

VLC is attracting a lot of attention as an emerging potential technology for deployment in next generation indoor wireless networks. Use of efficient link switching scheme among VLC access points is critical in indoor environment to provide…

Signal Processing · Electrical Eng. & Systems 2018-05-02 Sumita Mishra , Sachin Kumar , Shivani Singh , Pallavi Asthana , Nidhi Mathur

Visible Light Communication is the emerging field in the area of Indoor Optical Wireless Communication which uses white light LEDs for transmitting data and light simultaneously. LEDs can be modulated at very high speeds which increases its…

Information Theory · Computer Science 2017-09-19 Pranav Kumar Jha , Neha Mishra , D. Sriram Kumar

Visible light communication (VLC) is an optical wireless communication technology that is considered a promising solution for high-speed indoor connectivity. Unlike the case in conventional radio-frequency wireless systems, the VLC channel…

Signal Processing · Electrical Eng. & Systems 2021-01-18 Mohamed Amine Arfaoui , Ali Ghrayeb , Chadi Assi

We are witnessing a transition to a new era where driverless cars will be pervasively connected to deliver significantly improved safety, traffic efficiency, and travel experiences. A diverse set of advanced vehicular use cases including…

Signal Processing · Electrical Eng. & Systems 2024-09-04 Gurinder Singh , Anand Srivastava , Vivek Ashok Bohara , Md Noor-A-Rahim , Zilong Liu , Dirk Pesch

The achievable data rate in indoor wireless systems that employ visible light communication (VLC) can be limited by multipath propagation. Here, we use computer generated holograms (CGHs) in VLC system design to improve the achievable…

Signal Processing · Electrical Eng. & Systems 2018-12-18 Safwan Hafeedh Younus , Ahmed Taha Hussein , 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

This paper presents an energy-efficient indoor system integrating \ac{THz} with \ac{VLC}. \ac{THz} communication offers ultra-high-capacity links but is limited by severe path loss, atmospheric absorption, and susceptibility to blockages.…

Signal Processing · Electrical Eng. & Systems 2026-05-25 Hanshita Prabhakar , Neetu R. R. , Vivek Ashok Bohara