Search Results for author: Mohammad Taghi Dabiri

Found 11 papers, 0 papers with code

Channel Modeling and Parameter Optimization for Hovering UAV-Based Free-Space Optical Links

no code implementations IEEE Journal on Selected Areas in Communications 2018 Mohammad Taghi Dabiri, Seyed Mohammad Sajad Sadough, and Mohammad Ali Khalighi

Recently, the use of multi-rotor (MR) unmanned aerial vehicles (UAVs) has emerged as a promising solution for establishing flexible free-space optical communication links.

Position

A Study of Multihop mmW Aerial Backhaul Links

no code implementations8 Mar 2022 Mohammad Taghi Dabiri, Mazen Omar Hasna, Tamer Khattab, Khalid Qaraqe

The main contribution of this paper is to analyze a long networked flying platform (NFP)-based millimeter wave (mmWave) backhaul link that is offered as a cost effective and easy to deploy solution to connect a disaster or remote area to the nearest core network.

Long mmWave Backhaul Connectivity Using Fixed-Wing UAVs

no code implementations8 Mar 2022 Mohammad Taghi Dabiri, Mazen Omar Hasna, Nizar Zorba, Tamer Khattab

This paper discusses the analysis of a fixed-wing unmanned aerial vehicle (UAV)-based millimeter wave (mmWave) backhaul link, that is offered as a cost-effective and easy deploy the solution to connect a disaster or remote area to the nearest core network.

Enabling Long mmWave Aerial Backhaul Links via Fixed-Wing UAVs: Performance and Design

no code implementations15 Mar 2022 Mohammad Taghi Dabiri, Mazen Omar Hasna, Nizar Zorba, Tamer Khattab

Using the SNR distribution, we derive closed-form expressions for the outage probability and the ergodic capacity of the considered system as a function of all system parameters.

3D Uplink Channel Modeling of UAV-based mmWave Fronthaul Links for Future Small Cell Networks

no code implementations27 Mar 2022 Mohammad Taghi Dabiri, Mazen Omar Hasna

Based on that, we derive the closed-form expressions for the outage probability and channel capacity of the considered UAV-based mmWave uplinks.

Pointing Error Modeling of mmWave to THz High-Directional Antenna Arrays

no code implementations21 Jun 2022 Mohammad Taghi Dabiri, Mazen Hasna

This paper focuses on providing an analytical framework for the quantification and evaluation of the pointing error at high-frequency millimeter wave (mmWave) and terahertz (THz) communication links.

Vocal Bursts Intensity Prediction

Downlink Interference Analysis of UAV-based mmWave Fronthaul for Small Cell Networks

no code implementations11 Aug 2022 Mohammad Taghi Dabiri, Mazen Hasna, Walid Saad

In this paper, an unmanned aerial vehicles (UAV)-based heterogeneous network is studied to solve the problem of transferring massive traffic of distributed small cells to the core network.

A General Model for Pointing Error of High Frequency Directional Antennas

no code implementations30 Aug 2022 Mohammad Taghi Dabiri, Mazen Hasna, Nizar Zorba, Tamer Khattab, Khalid A. Qaraqe

This paper focuses on providing an analytical framework for the quantification and evaluation of the pointing error for a general case at high-frequency millimeter wave (mmWave) and terahertz (THz) communication links.

valid Vocal Bursts Intensity Prediction

UAV Trajectory Optimization for Directional THz Links Using Deep Reinforcement Learning

no code implementations8 Jul 2023 Mohammad Taghi Dabiri, Mazen Hasna

As an alternative solution for quick disaster recovery of backhaul/fronthaul links, in this paper, a dynamic unmanned aerial vehicles (UAV)-assisted heterogeneous (HetNet) network equipped with directional terahertz (THz) antennas is studied to solve the problem of transferring traffic of distributed small cells.

reinforcement-learning

Modulating Retroreflector-based Satellite-to-Ground Optical Communications: Sensing and Positioning

no code implementations17 Jan 2024 Mohammad Taghi Dabiri, Mazen Hasna, Saud Althunibat, Khalid Qaraqe

Subsequently, the distribution of the distance estimation error during the sensing phase is formulated as a function of the laser beamwidth and the gimbal error, which enables us to fine-tune the optimal laser beamwidth to minimize sensing time.

LoS Coverage Analysis for UAV-based THz Communication Networks: Towards 3D Visualization of Wireless Networks

no code implementations17 Jan 2024 Mohammad Taghi Dabiri, MazenHasna, Saud Althunibat, Khalid Qaraqe

Terahertz (THz) links require a line-of-sight (LoS) connection, which is hard to be obtained in most scenarios.

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