no code implementations • 5 Aug 2021 • Mohamed Amine Arfaoui, Ali Ghrayeb, Chadi Assi, Marwa Qaraqe
In this paper, we investigate the dynamic power allocation for a visible light communication (VLC) cellular system consisting of two coordinating attocells, each equipped with one access-point (AP).
no code implementations • 5 Aug 2021 • Mohammed AL-Mekhlafi, Mohamed Amine Arfaoui, Mohamed Elhattab, Chadi Assi, Ali Ghrayeb
The eMBB allocation problem aims at maximizing the eMBB sum rate by jointly optimizing the power allocation at the BS and the RIS phase-shift matrix while satisfying the eMBB rate constraint.
no code implementations • 21 Apr 2021 • Mohamed Amine Arfaoui, Ali Ghrayeb, Chadi Assi, Marwa Qaraqe
In this paper, a proactive-optimization (PO) approach that can alleviate the LiFi channel aging problem is proposed.
no code implementations • 11 Mar 2021 • Ali Muhammad, Mohamed Elhattab, Mohamed Amine Arfaoui, Ahmed Al-Hilo, Chadi Assi
To circumvent the high-coupled optimization variables, and with the aid of bilevel optimization, we decompose the original problem into an outer traffic stream scheduling problem and an inner RIS phase-shift matrix problem.
no code implementations • 15 Jan 2021 • Mohamed Amine Arfaoui, Ali Ghrayeb, Chadi Assi
Visible light communication (VLC) is an optical wireless communication technology that is considered a promising solution for high-speed indoor connectivity.
no code implementations • 5 Jan 2021 • Mohamed Elhattab, Mohamed Amine Arfaoui, Chadi Assi, Ali Ghrayeb
For the power allocation sub-problem, the optimal closed-form expressions for the power allocation coefficients are derived.
no code implementations • 27 Dec 2020 • Mohammed AL-Mekhlafi, Mohaned Chraiti, Mohamed Amine Arfaoui, Chadi Assi, Ali Ghrayeb, Amira Alloum
Specifically, coupling URLLC and conventional enhanced Mobile BroadBand (eMBB) through superposition/puncturing naturally arises as a promising option due to the tolerance of the latter in terms of latency and reliability.
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.