Chekra el fehri

Research Engineer | LPWAN & LoRaWAN

Salaire / Taux journalier

Soliman, Tunisie

Freelance

Langues

Anglais

À propos

Introduction

Research Engineer Ph.D. with 6+ years expertise in LoRaWAN/IoT communications and satellite networks. Proven track record in large-scale network performance optimization and schedule-based schemes for improved reliability. Specialized in terrestrial & satellite network solutions with academic teaching experience and published research in LPWAN technologies.

Liens

Expérience de travail

Research Engineer

TELNET Space

janv. 2023 - Présent

3 ans 10 mois

PhD Student

Electronics and Information Technology Laboratory (LETI)

janv. 2018 - janv. 2022

4 ans 1 mois

Sfax Governorate, Tunisia

Thesis titeled: Uplink communication in large scale LoRaWAN: Performance anlysis and enhancement schemes. A study of the Long Range Wide Area Network, in the context of reliable IoT applications. A comprehensive study of the ALOHA-based channel access technique impact on the LoRaWAN per- formance in large scale context. A new design of schedule-based schemes for Uplink communications in LoRaWAN to improve reliability and the network performance.

Research Internship

LAAS-CNRS

oct. 2020 - déc. 2020

3 mois

Toulouse, France

Temporary Assistant Professor

National Institute of Applied Science and Technology

oct. 2017 - juil. 2018

10 mois

Tunis, Tunisie

Teaching the following modules: - Protocol Engineering TCP/IP (Practical and Theoretical Learning) - Object-Oreiented design, UML (Practical and Theoretical Learning) - Wireless Networks (Practical Learning) - Networks Architecture (Practical Learning)

Research Internship

LAAS-CNRS

sept. 2016 - janv. 2017

5 mois

Toulouse, France

A deep study of LoRaWAN use cases in real environment. Defining the network preblems in term of QoS gap, and initiating some of potential improvements.

Research Internship

LAAS-CNRS

sept. 2015 - déc. 2015

4 mois

Toulouse, France

A study of the IoT concept and M2M real enviroment in the context of the A-Dream building. Introducing with Sarra team, a possible approach for the autonomic management of wireless Software defined Network (SDN) for M2M applications.

Engineering Final Project Internship

Tunisie Télécom

mars 2013 - mai 2013

3 mois

Tunis, Tunisie

A decoder and an analyser design and implementation for TCAM/MAP frames. These frames were extracted from several mobile network transactions which are stocked in a text file.


Formation

National Engineering School of Sfax (ENIS)

Ph.D

2018 - 2022

4 ans 1 mois

National Engineering School of Sfax (ENIS)

National Diploma in Computer Systems Engineering

2010 - 2013

3 ans 1 mois

Preparatory Institute for Engineering Studies - IPEIN (Nabeul, Tunisia)

National competitive examination for admission to the ”Engineering schools”

2008 - 2010

2 ans 1 mois

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