Search Results for author: Wael Jaafar

Found 20 papers, 0 papers with code

OCD-FL: A Novel Communication-Efficient Peer Selection-based Decentralized Federated Learning

no code implementations6 Mar 2024 Nizar Masmoudi, Wael Jaafar

The conjunction of edge intelligence and the ever-growing Internet-of-Things (IoT) network heralds a new era of collaborative machine learning, with federated learning (FL) emerging as the most prominent paradigm.

Federated Learning

Towards Reliable Participation in UAV-Enabled Federated Edge Learning on Non-IID Data

no code implementations16 Dec 2023 Youssra Cheriguene, Wael Jaafar, Halim Yanikomeroglu, Chaker Abdelaziz Kerrache

Federated Learning (FL) is a decentralized machine learning (ML) technique that allows a number of participants to train an ML model collaboratively without having to share their private local datasets with others.

Federated Learning

Data-Efficient Energy-Aware Participant Selection for UAV-Enabled Federated Learning

no code implementations14 Aug 2023 Youssra Cheriguene, Wael Jaafar, Chaker Abdelaziz Kerrache, Halim Yanikomeroglu, Fatima Zohra Bousbaa, Nasreddine Lagraa

Unmanned aerial vehicle (UAV)-enabled edge federated learning (FL) has sparked a rise in research interest as a result of the massive and heterogeneous data collected by UAVs, as well as the privacy concerns related to UAV data transmissions to edge servers.

Federated Learning SSIM

Multi-UAV Speed Control with Collision Avoidance and Handover-aware Cell Association: DRL with Action Branching

no code implementations24 Jul 2023 Zijiang Yan, Wael Jaafar, Bassant Selim, Hina Tabassum

This paper presents a deep reinforcement learning solution for optimizing multi-UAV cell-association decisions and their moving velocity on a 3D aerial highway.

Collision Avoidance

FLSTRA: Federated Learning in Stratosphere

no code implementations1 Feb 2023 Amin Farajzadeh, Animesh Yadav, Omid Abbasi, Wael Jaafar, Halim Yanikomeroglu

We propose a federated learning (FL) in stratosphere (FLSTRA) system, where a high altitude platform station (HAPS) facilitates a large number of terrestrial clients to collaboratively learn a global model without sharing the training data.

Federated Learning

On the Design of Communication-Efficient Federated Learning for Health Monitoring

no code implementations30 Nov 2022 Dong Chu, Wael Jaafar, Halim Yanikomeroglu

To tackle this problem, we propose in this paper a communication-efficient federated learning (CEFL) framework that involves clients clustering and transfer learning.

Federated Learning Transfer Learning

Multi-Mode High Altitude Platform Stations (HAPS) for Next Generation Wireless Networks

no code implementations5 Oct 2022 Safwan Alfattani, Wael Jaafar, Halim Yanikomeroglu, Abbas Yongaçoglu

To tackle this issue, we envision the use of a multi-mode HAPS that can adaptively switch between different modes so as to reduce energy consumption and extend the HAPS loitering time.

UAV-based Crowd Surveillance in Post COVID-19 Era

no code implementations28 Nov 2021 Nizar Masmoudi, Wael Jaafar, Safa Cherif, Jihene Ben Abderrazak, Halim Yanikomeroglu

Consequently, we propose in this paper a complete UAV framework for intelligent monitoring of post COVID-19 outdoor activities.

Optimization of Quantized Phase Shifts for Reconfigurable Smart Surfaces Assisted Communications

no code implementations19 Nov 2021 Maximiliano Rivera, Mohammad Chegini, Wael Jaafar, Safwan Alfattani, Halim Yanikomeroglu

Reconfigurable Smart Surface (RSS) is assumed to be a key enabler for future wireless communication systems due to its ability to control the wireless propagation environment and, thus, enhance communications quality.

Quantization

Disconnectivity-Aware Energy-Efficient Cargo-UAV Trajectory Planning with Minimum Handoffs

no code implementations27 Jun 2021 Nesrine Cherif, Wael Jaafar, Halim Yanikomeroglu, Abbas Yongacoglu

In this paper, we formulate the trajectory planning as a multi-objective problem aiming to minimize both the UAV's energy consumption and the handoff rate, constrained by the UAV battery size and disconnectivity rate.

Trajectory Planning

HAPS-ITS: Enabling Future ITS Services in Trans-Continental Highways

no code implementations11 May 2021 Wael Jaafar, Halim Yanikomeroglu

To this end, high altitude platform station (HAPS) systems, due to their mobility, sustainability, payload capacity, and communication/caching/computing capabilities, are seen as a key enabler of future ITS services for trans-continental highways; this paradigm is referred to as HAPS-ITS.

Autonomous Vehicles

3D Aerial Highway: The Key Enabler of the Retail Industry Transformation

no code implementations20 Sep 2020 Nesrine Cherif, Wael Jaafar, Halim Yanikomeroglu, Abbas Yongacoglu

Like highways for cargo trucks, 3D routes in the airspace should be designed for cargo-UAVs to fulfill their operations safely and efficiently.

Dynamics of Laser-Charged UAVs: A Battery Perspective

no code implementations31 Aug 2020 Wael Jaafar, Halim Yanikomeroglu

Subsequently, using these models, the path planning problem in a particular Internet-of-Things based use-case is revisited from the battery perspective.

Link Budget Analysis for Reconfigurable Smart Surfaces in Aerial Platforms

no code implementations27 Aug 2020 Safwan Alfattani, Wael Jaafar, Yassine Hmamouche, Halim Yanikomeroglu, Abbas Yongaçoglu

Specifically, we analyze the characteristics of RSS-equipped aerial platforms and compare their communication performance with that of RSS-assisted terrestrial networks, using standardized channel models.

On the Optimal 3D Placement of a UAV Base Station for Maximal Coverage of UAV Users

no code implementations21 Aug 2020 Nesrine Cherif, Wael Jaafar, Halim Yanikomeroglu, Abbas Yongacoglu

Specifically, the 3D placement problem of a directional antenna equipped UAV-BS, aiming to maximize the number of covered aerial users under a spectrum sharing policy with terrestrial networks, is investigated.

Rate-Splitting Multiple Access: Unifying NOMA and SDMA in MISO VLC Channels

no code implementations24 Jul 2020 Shimaa Naser, Lina Bariah, Wael Jaafar, Sami Muhaidat, Paschalis C. Sofotasios, Mahmoud Al-Qutayri, Octavia A. Dobre

Then, we introduce rate-splitting multiple access (RSMA), which was initially proposed for RF systems and discuss its potentials in VLC systems.

Multiple Access in Aerial Networks: From Orthogonal and Non-Orthogonal to Rate-Splitting

no code implementations27 May 2020 Wael Jaafar, Shimaa Naser, Sami Muhaidat, Paschalis C. Sofotasios, Halim Yanikomeroglu

In particular, space-division multiple access(SDMA) and power-domain non-orthogonal multiple access (NOMA) present promising multiplexing gains for aerial downlink and uplink.

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