
Chekra el fehri
Research Engineer | LPWAN & LoRaWAN
Salaire / Taux journalier
Soliman, Tunisie
Freelance
Langues
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.
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