Distributed Systems Group

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Thomas Hänel, M. Sc.

Thomas Hänel
University of Osnabrück
Institute of Computer Science
Friedrich-Janssen-Str. 1
49076 Osnabrück, Germany

Research Interests / Projects

  • Wireless Sensor Networks (WSNs)
  • Compressed Sensing
  • Multispectral Sensing
  • Internet of Things (IoT)
  • Time Synchronization
  • Simulation of Radio Wave Propagation
  • RaLaNS



  • Eric Lanfer, Thomas Hänel, Roland van Rijswijk-Deij, Nils Aschenbruck
    "Improving Proximity Classification for Contact Tracing Using a Multi-Channel ApproachImproving Proximity Classification for Contact Tracing Using a Multi-Channel Approach"
    accepted for the 47th IEEE Conference on Local Computer Networks
    LCN, Edmonton, Canada, September 26-29, 2022.
  • Tobias Wahl, Dorit Borrmann, Michael Bleier, Andreas Nüchter, Thomas Wiemann, Thomas Hänel, Nils Aschenbruck
    "WIP: Real-world 3D models derived from mobile mapping for ray launching based propagation loss modeling"
    Proc. of the IEEE International Symposium on a World of Wireless, Mobile and Multimedia Networks
    WoWMoM, Belfast, Northern Ireland, June 14-17, 2022, [pdf].


  • Thomas Hänel, Thomas Jarmer, Nils Aschenbruck
    "Learning a Transform Base for the Multi- to Hyperspectral Sensor Network with K-SVD"
    Section: Sensor Networks, Special Issue: Sensing Technology in Smart Agriculture,
    MDPI Sensors, 21(21), 7296, 2021, [pdf].
  • Jannis Mast, Thomas Hänel, Nils Aschenbruck
    "Enhancing Adaptive Frequency Hopping for Bluetooth Low Energy"
    Proc. of the Doctoral Track at the 46th IEEE Conference on Local Computer Networks
    LCN, Oct. 4-7, 2021, [pdf].
  • Thomas Hänel, Leonhard Brüggemann, Felix Loske, Nils Aschenbruck
    "Long-Term Wireless Sensor Network Deployments in Industry and Office Scenarios"
    Proc. of the IEEE International Symposium on a World of Wireless, Mobile and Multimedia Networks
    WoWMoM, Pisa, It, June 7-11, 2021, [pdf].


  • Alexander Tessmer, Thomas Hänel, Nils Aschenbruck
    "On the Impact of Geographic Restrictions on Contact Metrics in Opportunistic Networks"
    Proc. of the 45th IEEE LCN Symposium on Emerging Topics in Networking
    LCN, virtually hosted in Sydney, Australia, Nov. 16-19, 2020, [pdf].


  • Thomas Hänel, Thomas Jarmer, Nils Aschenbruck
    "Using Distributed Compressed Sensing to derive Continuous Hyperspectral Imaging from a Wireless Sensor Network"
    Elsevier Computers and Electronics in Agriculture, Vol. 166, Article 104974, Nov. 2019, [pdf].


  • Thomas Hänel, Nils Aschenbruck
    "Accelerating Yield Mapping at Low Data Rates using Compressive Field Estimate"
    Proc. of the 42nd IEEE Conference on Local Computer Networks
    LCN, Singapore, Oct. 9-12, 2017, pp. 374-382, [pdf].
  • Thomas Hänel, Alexander Bothe, René Helmke, Christoph Gericke, Nils Aschenbruck
    "Adjustable Security for RFID-Equipped IoT Devices"
    Proc. of the IEEE International Conference on RFID Technology and Applications
    RFID-TA, Warsaw, Poland, Sept. 20-22, 2017, pp. 208-213, [pdf].


  • Thomas Hänel, Florian Krampe, Christoph Gericke, Nils Aschenbruck
    "On the Potential of Data-Based Time Synchronization in Wireless Sensor Networks for Condition Monitoring"
    Proc. of the IEEE International Conference on Distributed Computing in Sensor Systems
    DCOSS, Washington, DC, USA, May 26-28, 2016, pp. 216-224, [pdf].


  • Thomas Hänel, Matthias Schwamborn, Alexander Bothe, Nils Aschenbruck
    "On the Map Accuracy required for Network Simulations based on Ray Launching"
    Proc. of the IEEE International Symposium on a World of Wireless, Mobile and Multimedia Networks
    WoWMoM, Boston, MA, USA, June 14-17, 2015, [pdf].
  • Thomas Hänel, Alexander Bothe, Nils Aschenbruck
    "RaLaNS - A Ray Launching Based Propagation Loss Model for ns-3"
    Proc. of the International Conference on Networked Systems
    NetSys/KiVS, Cottbus, Germany, Mar. 9-13, 2015, [pdf].


  • Thomas Hänel
    "Simulative Evaluation of Multi Hop Node Placement Strategies"
    Master Thesis, University of Osnabrueck, May 2014.


  • Thomas Hänel
    "Mobile 3D Augmented Reality mit reduziertem Markereinsatz"
    Bachelor Thesis, University of Osnabrueck, Dec. 2011.
  • Nils Rosemann, Werner Brockmann, Thomas Hänel
    "Tackling uncertainties in self-optimizing systems by strategy blending"
    Proc. of the IEEE Workshop on Evolving and Adaptive Intelligent Systems
    EAIS, Paris, France, Apr. 11-15, 2011, pp. 185-192, [pdf].


ST 2022

WT 2021/22

  • Bachelor Thesis "Paralleles Monitoring mehrerer bestehender Bluetooth Low Energy Verbindungen", Nicolas Hawighorst
  • Bachelor Thesis "Implementierung und Evaluation einer Radiowellensimulation mithilfe einer 3D-Raytracing-Rendering-Engine", Lukas Drews

ST 2021

  • Lab "Rechnernetze" [INF-BPPR, 6.748]
  • Bachelor Thesis "Evaluation des Einfluss einzelner Komponenten von WLAN-Broadcast für größere Distanzen", Mark Hiltenkamp
  • Master Thesis "Multi-channel proximity estimation to improve privacy preserving contact tracing methods", Eric Lanfer
  • Master Thesis "Entwicklung eines Frameworks zur Anomalieerkennung in industriellen Feldbus-Systemen am Beispiel von CANOpen", Till Zimmermann

WT 2020/21

  • Exercises to "Mobilkommunikation" [INF-MOKO, 6.618] (lecture by Nils Aschenbruck)
  • Bachelor Thesis "Adaptive Frequency Hopping in Bluetooth Low Energy-Netzwerken", Jannis Mast
  • Bachelor Thesis "Konzeption und Evaluation einer Wechseldatenträger-Emulation mit Zugriff über WLAN", Luis-Pepe Kreienbrink

ST 2020

  • Lab "Rechnernetze" [INF-BPPR, 6.658]
  • Exercises to "Geo-Sensornetzwerke" [INF-GSN, 6.820] (lecture by Jan Bauer)
  • Master Thesis "Auswirkungen geografischer Restriktionen auf Kontaktmetriken in opportunistischen Netzen", Alexander Tessmer

WT 2019/20

ST 2019

WT 2018/19

  • Excercise to "Betriebssysteme und Rechnernetze (BR)" [INF-BR, 6.606] (lecture by Prof. Dr. Aschenbruck and Prof. Dr.-Ing. Olaf Spinczyk)
  • Bachelor Thesis "Konzeption und Evaluation der Autokonfiguration für das Internet der Dinge am Beispiel eines Simplex-Audiübertragungssystem, Jan-Niklas Brandes

ST 2018

WT 2017/18

ST 2017

WT 2016/17

  • Exercises to "IT- und Netzwerksicherheit" [INF-ITS, 6.626] (lecture by Prof. Dr. Aschenbruck)
  • Bachelor Thesis "Evaluation von Compressive Sensing in simulierten drahtlosen Sensornetzen zur Erfassung ausgewählter Pflanzenparameter basierend auf Lichtspektren", Alexander Tessmer

ST 2016

WT 2015/2016

ST 2015

WT 2014/15

ST 2014