no code implementations • 5 Apr 2024 • Hossein Kazemi, Elham Sarbazi, Michael Crisp, Taisir E. H. El-Gorashi, Jaafar M. H. Elmirghani, Richard V. Penty, Ian H. White, Majid Safari, Harald Haas
In this paper, we put forward a proof of concept for sixth generation (6G) Terabit infrared (IR) laser-based indoor optical wireless networks.
no code implementations • 25 Feb 2024 • Cheng Cheng, Sovan Das, Stefan Videv, Adrian Spark, Sina Babadi, Aravindh Krishnamoorthy, Changmin Lee, Daniel Grieder, Kathleen Hartnett, Paul Rudy, James Raring, Marzieh Najafi, Vasilis K. Papanikolaou, Robert Schober, Harald Haas
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.
no code implementations • 8 Apr 2023 • Anil Yesilkaya, Hanaa Abumarshoud, Harald Haas
This chapter is devoted to discussing the integration of intelligent reflecting surfaces (IRSs), or intelligent walls, in optical wireless communication (OWC) systems.
no code implementations • 28 Feb 2023 • Cheng-Xiang Wang, Xiaohu You, Xiqi Gao, Xiuming Zhu, Zixin Li, Chuan Zhang, Haiming Wang, Yongming Huang, Yunfei Chen, Harald Haas, John S. Thompson, Erik G. Larsson, Marco Di Renzo, Wen Tong, Peiying Zhu, Xuemin, Shen, H. Vincent Poor, Lajos Hanzo
A series of white papers and survey papers have been published, which aim to define 6G in terms of requirements, application scenarios, key technologies, etc.
no code implementations • 20 Sep 2022 • Cheng Chen, Shenjie Huang, Iman Tavakkolnia, Majid Safari, Harald Haas
Instead of providing a new precoder/post-detector design, we investigate the considered joint multiplexing system from a system configuration perspective by tuning system parameters in both spatial and wavelength domains, such as LED positions and optical filter passband.
no code implementations • 23 Jul 2022 • Ahmad Adnan Qidan, Khulood Alazwary, Taisir El-Gorashi, Majid Safari, Harald Haas, Richard V. Penty, Ian H. White, Jaafar M. H. Elmirghani
Rate splitting (RS) is proposed as a transmission scheme to serve multiple users simultaneously by splitting the message of a given user into common and private messages, and then, each user decodes the desired message following a certain procedure.
no code implementations • 6 Jun 2022 • Cheng-Xiang Wang, Zhen Lv, Xiqi Gao, Xiaohu You, Yang Hao, Harald Haas
In this paper, a pervasive wireless channel modeling theory is first proposed, which uses a unified channel modeling method and a unified equation of channel impulse response (CIR), and can integrate important channel characteristics at different frequency bands and scenarios.
no code implementations • 6 Apr 2022 • Xiuming Zhu, Cheng-Xiang Wang, Jie Huang, Ming Chen, Harald Haas
The visible light communication (VLC) technology has attracted much attention in the research of the sixth generation (6G) communication systems.
no code implementations • 18 Dec 2021 • Alain R. Ndjiongue, Telex M. N. Ngatched, Octavia A. Dobre, Harald Haas
We discuss the concept of DRIS and the application of DSP methods to the physical material.
no code implementations • 8 Nov 2021 • Hanaa Abumarshoud, Bassant Selim, Mallik Tatipamula, Harald Haas
The emerging intelligent reflecting surface (IRS) technology introduces the potential of controlled light propagation in visible light communication (VLC) systems.
no code implementations • 8 Apr 2021 • Alain R. Ndjiongue, Telex M. N. Ngatched, Octavia A. Dobre, Harald Haas
Leveraging on this capacity of a doped LC, we mitigate the double-attenuation faced by the transmitted signal.
no code implementations • 19 Feb 2021 • Hossein Kazemi, Elham Sarbazi, Mohammad Dehghani Soltani, Majid Safari, Harald Haas
In this paper, the design of a multiple-input multiple-output (MIMO) optical wireless communication (OWC) link based on vertical cavity surface emitting laser (VCSEL) arrays is systematically carried out with the aim to support data rates in excess of 1 Tb/s for the backhaul of sixth generation (6G) indoor wireless networks.
Information Theory Information Theory
no code implementations • 17 Feb 2021 • Mohammad Dehghani Soltani, Elham Sarbazi, Nikolaos Bamiedakis, Priyanka de Souza, Hossein Kazemi, Richard V. Penty, Harald Haas, Majid Safari
In this paper, we provide a detailed study of beam propagation to evaluate the received power of various laser sources, based on which as well as the maximum permissible exposure (MPE) defined by the IEC 60825-1:2014 standard, we establish a comprehensive framework for eye safety analyses.
Information Theory Information Theory
no code implementations • 6 Feb 2021 • Alain R. Ndjiongue, Telex M. N. Ngatched, Octavia A. Dobre, Ana G. Armada, Harald Haas
One of the main problems faced by communication systems is the presence of skip-zones in the targeted areas.
no code implementations • 7 Jan 2021 • Alain R. Ndjiongue, Telex M. N. Ngatched, Octavia A. Dobre, Harald Haas
Visible light communication (VLC) enables access to huge unlicensed bandwidth, a higher security level, and no radio frequency interference.
no code implementations • 15 Sep 2020 • Alain R. Ndjiongue, Telex M. N. Ngatched, Octavia A. Dobre, Harald Haas
On the other hand, re-configurable intelligent surface (RIS) is a technology exploited in radio frequency to solve dead zones and loss of signal.
no code implementations • 28 Jul 2020 • Yu Fu, Mohammad Dehghani Soltani, Hamada Alshaer, Cheng-Xiang Wang, Majid Safari, Stephen McLaughlin, Harald Haas
This paper proposes an end-to-end (e2e) power consumption model and studies the energy efficiency for a heterogeneous B5G cellular architecture that separates the indoor and outdoor communication scenarios in ultra dense networks.
no code implementations • 21 Jul 2020 • Mohamed Amine Arfaoui, Mohammad Dehghani Soltani, Iman Tavakkolnia, Ali Ghrayeb, Chadi Assi, 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.