Dr.-Ing. Johannes Klein

Research interests

Screen-Camera Visible Light Communication

Publications

J. Klein
Timing Recovery for Asynchronous Optical Display-Camera Communication
Dissertation Technische Universität Dortmund, Dortmunder Beiträge zur Kommunikationstechnik, Verlag Shaker, Aachen, Juli 2022
J. Xu, J. Klein, J. Jochims, N. Weissner, R. Kays
A reliable and unobtrusive approach to display area detection for imperceptible display camera communication
Journal of Visual Communication and Image Representation, April 2022
J. Klein, J. Xu, C. Brauers, J. Jochims, R. Kays
Investigations on Temporal Sampling and Patternless Frame Recovery for Asynchronous Display-Camera Communication
IEEE Transactions on Circuits and Systems for Video Technology, August 2021
J. Xu, J. Klein, C. Brauers, R. Kays
Transmitter Design and Synchronization Concepts for DaViD Display Camera Communication
28th Wireless and Optical Communication Conference (WOCC), Beijing, China, May 2019
J. Klein
DaVid - Datenübertragung mit dem Videobild
DMI Conference, Hamburg, Germany, March 2019
J. Klein
Imperceptible Display Camera Visible Light Communication for Smartphone Receivers
33th electronic display Conference (edC), Nürnberg, Germany, February 2019
C. Brauers, R. Kays, J. Klein, J. Xu
Modeling Differential Screen-Camera Data Transmission for Parallel Video
IEEE Global Communications Conference 2018, Abu Dhabi, UA, December 2018
R. Kays, C. Brauers, J. Klein
Modulation Concepts for High-Rate Display-Camera Data Transmission
IEEE ICC 2017, Paris, France, May 2017
R. Kays, C. Brauers, J. Klein
DaVid: Data Transmission Using Video Devices – An Innovative Systeme for Smart Media Applications
NEM Summit 2016, Porto, Portugal, November 2016
J. Klein, W. Endemann, A. Wulf, R. Kays
Modeling Penetration Losses for Transmit Power Control in dense Wireless LANs
19th International Conference on OFDM and Frequency Domain Techniques (ICOF), Essen, Germany, August 2016

Teaching

Lecture assistance and exercises for Communications Engineering, 2016/17 winter term
Lecture assistance and exercises for Image Communications, 2017 summer term
Tutor for the practica for Communications Engineering, 2017/18 winter term
Tutor for the practica for Communications Engineering, 2018/19 winter term
Tutor for the practica for Communications Engineering, 2019/20 winter term
Tutor for the practica for Communications Engineering, 2020/21 winter term
Tutor for the practica for Communications Engineering, 2021/22 winter term

Student's thesis

Untersuchung verschiedener Display- und Projektortechnologien im Hinblick auf die Nutzung für die Visible Light Communication
Entwicklung einer Smartphone-App für den Empfänger eines LED-Kamera Übertragungssystems
Untersuchung der Kanalcodierung für die Display-Kamera Kommunikation
Untersuchung von Fountain-Codes für die Display-Kamera Kommunikation
Implementierung des Audio-Streaming für das DaVid-Übertragungsverfahren
App-basierte Netzwerksteuerung eines Videomodulators für die Screen-Camera Communication
Implementierung eines Videomodulators für die Screen-Camera Communication

Career

since April 2016
Research associate at the Communications Technology Institute at Dortmund University of Technology
July 2015 - January 2016
Master's thesis at the Communications Technology Institute at Dortmund University of Technology: "FHSS System for dense networks with distributed infrastructure in factory automation"
April 2014 - March 2015
Student research assistant at the Communication Networks Institute, TU Dortmund
July - October 2013
Bachelor's thesis at IMST: "Wireless Communication for probes of oscilloscopes"
April - June 2013
Internship at IMST in Kamp-Lintfort
January - March 2013
Student research assistant at the Electrical Engines and Machines Institute, TU Dortmund
October 2011 - January 2016
Study: Electrical Engineering and Information Technology, TU Dortmund; Focus on Information and Communication Technology
October 2010 - September 2011
Study: Electrical Engineering, TU Dresden
May - June 2010
Internship at Link Microtek, Basingstoke (GB)
June 2009
University-entrance diploma at Werner-Jaeger-Gymnasium, Nettetal