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The directionality of optical signals provides an opportunity for efficient space reuse of optical links in visible light communication (VLC). Space reuse in VLC can enable multiple access communication from multiple light emitting…

Signal Processing · Electrical Eng. & Systems 2019-12-30 MD Rashed Rahman , Ashwin Ashok

Passive visible light communication (VLC) modulates light propagation or reflection to transmit data without directly modulating the light source. Thus, passive VLC provides an alternative to conventional VLC, enabling communication where…

Networking and Internet Architecture · Computer Science 2024-10-22 Yanxiang Wang , Yiran Shen , Kenuo Xu , Guangrong Zhao , Mahbub Hassan , Chenren Xu , Wen Hu

The proliferation of connected devices and emergence of internet-of-everything represent a major challenge for broadband wireless networks. This requires a paradigm shift towards the development of innovative technologies for next…

Information Theory · Computer Science 2020-03-06 Shimaa Naser , Lina Bariah , Wael Jaafar , Sami Muhaidat , Paschalis C. Sofotasios , Mahmoud Al-Qutayri , Octavia A. Dobre

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

The emergence of visible light communication (VLC) technology as a solution to solve radio frequency impediments, such as spectrum shortage, is continuously appealing. In addition to its large and unlicensed bandwidth, VLC provides a high…

Signal Processing · Electrical Eng. & Systems 2020-09-16 Alain R. Ndjiongue , Telex M. N. Ngatched , Octavia A. Dobre , Harald Haas

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 backscatter (VLB) is an innovative optical transmission paradigm to enable ultra low-power passive communication and localization for the Internet of Things (IoT), by overcoming some of the limitations of conventional (i.e.,…

Signal Processing · Electrical Eng. & Systems 2022-10-18 Muhammad Habib Ullah , Giacinto Gelli , Francesco Verde

In next-generation wireless systems, providing location-based mobile computing services for energy-neutral devices has become a crucial objective for the provision of sustainable Internet of Things (IoT). Visible light positioning (VLP) has…

Signal Processing · Electrical Eng. & Systems 2025-11-03 Boxuan Xie , Lauri Mela , Alexis A. Dowhuszko , Yu Bai , Zehui Xiong , Zhu Han , Dusit Niyato , Riku Jäntti

One of the main aims of indoor visible light communication (VLC) systems is to deliver a high data rate service in single user and in multiuser scenarios. A key obstacle is the ability of the indoor VLC channel to support high data rates in…

Signal Processing · Electrical Eng. & Systems 2019-08-20 Safwan Hafeedh Younus , Aubida A. Al-Hameed , Jaafar M. H. Elmirghani

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

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

Future mobile networks are supposed to serve high data rates required by users. To accommodate the high data rates, a direct communication between nearby mobile terminals (MTs), known as Device-to-device (D2D) communication, can be…

Information Theory · Computer Science 2017-09-14 Pavel Mach , Zdenek Becvar , Mehyar Najla , Stanislav Zvanovec

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

The ever-increasing demand for high data-rate applications and the proliferation of connected devices pose several theoretical and technological challenges for the fifth generation (5G) networks and beyond. Among others, this includes the…

Information Theory · Computer Science 2019-11-18 Rangeet Mitra , Paschalis. C. Sofotasios , Vimal Bhatia , Sami Muhaidat

In this paper, we consider a cognitive indoor visible light communications (VLC) system, comprised of multiple access points serving primary and secondary users through the orthogonal frequency division multiple access method. A cognitive…

Information Theory · Computer Science 2017-03-01 Marwan Hammouda , Jürgen Peissig , Anna Maria Vegni

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

Visible light communication (VLC) is envisioned as a core component of future wireless communication networks due to, among others, the huge unlicensed bandwidth it offers and the fact that it does not cause any interference to existing…

Information Theory · Computer Science 2022-06-06 Sylvester Aboagye , Telex M. N. Ngatched , Octavia A. Dobre , H. Vincent Poor

Visible light communication (VLC) is nowadays envisaged as a promising technology to enable new classes of services in intelligent transportation systems ranging, e.g., from assisted driving to autonomous vehicles. The assessment of the…

Signal Processing · Electrical Eng. & Systems 2020-04-03 Stefano Caputo , Lorenzo Mucchi , Francesco Saverio Cataliotti , Marco Seminara , Tassadaq Nawaz , Jacopo Catani

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

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