Hänel, Thomas

Research Interests / Projects

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

Publications

2024

• Thomas Hänel, Lennart Kaiser
  " Estimating Soil Moisture with COTS Hardware Using BLE’s Angle-Of-Arrival Feature"
  Proc. of the 1st IEEE LCN Special Track on Alogrithmic Solutions for Drone- and Robot-based Networks at the 49th IEEE Conference on Local Computer Networks
  ASDRoNet@LCN, Caen, France, Oct. 8-10, 2024.
• Jannis Mast, Thomas Hänel, Nils Aschenbruck
  " Single-Anchor Indoor Localization Using Multi-Frequency RSSI Fingerprinting"
  Proc. of the 49th IEEE Conference on Local Computer Networks
  LCN, Caen, France, Oct. 8-10, 2024.

2023

• Bertram Schütz, Christoph Barz, Paulo Henrique Rettore, Thomas Hänel
  " Site-Specific Radio Signal Propagation for Tactical Environments Using 3D Path Tracing"
  Proc. of the IEEE Military Communications Conference - Workshop on Coalition Federated Operations, MILCOM, Boston, MA, USA, Oct. 30 - Nov. 3, 2023.
• Nikolas Wintering, Jannis Mast, Thomas Hänel, Nils Aschenbruck
  " Trade-Off Between Compression and FEC in Image Transmission over Wifibroadcast"
  Proc. of the 48th IEEE Conference on Local Computer Networks
  LCN, Daytona Beach, Florida, USA, Oct. 2-5, 2023.
• Thomas Hänel, Manuel Reese, Maren Pöttker, Thomas Jarmer, and Nils Aschenbruck
  " Evaluating the Potential of Multispectral Sensor Networks based on Deployments in Wheat Fields"
  Proc. of the 20th IEEE International Conference on Mobile Ad-Hoc and Smart Systems
  MASS, Toronto, Canada, Sep. 25-27, 2023.
• Thomas Hänel, Clemens Hoppenau, Jannis Mast, Nils Aschenbruck
  " WIP: Two Packet Collision Model Parameter Sets"
  Proc. of the the IEEE International Symposium on a World of Wireless, Mobile and Multimedia Networks
  WoWMoM, Boston, MA, USA, June 12-15, 2023.
• Jannis Mast, Thomas Hänel, Nikolas Wintering, Nils Aschenbruck
  " Evaluating Wifibroadcast for Long-Distance UAV-to-Ground Data Transmission"
  Proc. of the IEEE International Symposium on a World of Wireless, Mobile and Multimedia Networks
  WoWMoM, Boston, MA, USA, June 12-15, 2023.
• Daniel Otten, Thomas Hänel, Tim Römer, Nils Aschenbruck
  " Generating more Realistic Packet Loss Patterns for Wireless links using Neural Networks"
  Proc. of the 36th International Conference of the Florida Artificial Intelligence Research Society
  FLAIRS, Clearwater Beach, Florida, USA, May 17-17, 2023.

2022

• Eric Lanfer, Thomas Hänel, Roland van Rijswijk-Deij, Nils Aschenbruck
  " Improving Proximity Classification for Contact Tracing Using a Multi-Channel Approach"
  Proc. of the 47th IEEE Conference on Local Computer Networks
  LCN, Edmonton, Canada, September 26-29, 2022.
• Thomas Hänel
  " Quality-Aware Compressed Sensing for Distributed Precision Agriculture Systems"
  Dissertation, Osnabrück University, August 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.

2021

• 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.
• 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.
• 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.

2020

• 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.

2019

• 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.

2017

• 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.
• 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.

2016

• 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.

2015

• 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.
• 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.

2014

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

2011

• 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.

Teaching - Thesis Supervision

Master theses

• Lennart Kaiser
  "On the Potential of Multi-channel RF-based Soil Moisture Sensing using Resource-constrained nodes"
  M. Sc., 06/2023.
• Jannis Mast
  "Erstellen und Evaluation einer Mehrfrequenz-Dämpfungskarte mithilfe von Software Defined Radio"
  M. Sc., 05/2023.
• Eric Lanfer
  "Multi-channel proximity estimation to improve privacy preserving contact tracing methods"
  M. Sc., 05/2021.
• Till Zimmermann
  "Entwicklung eines Frameworks zur Anomalieerkennung in industriellen Feldbus-Systemen am Beispiel von CANOpen"
  M. Sc., 04/2021.
• Alexander Tessmer
  "Auswirkungen geografischer Restriktionen auf Kontaktmetriken in opportunistischen Netzen"
  M. Sc., 04/2020.

Bachelor theses

• Lukas Drews
  "Implementierung und Evaluation einer Radiowellensimulation mithilfe einer 3D-Raytracing-Rendering-Engine"
  B. Sc., 12/2021.

   

• Nicolas Hawighorst
  "Paralleles Monitoring mehrerer bestehender Bluetooth Low Energy Verbindungen"
  B. Sc., 11/2021.

   

• Mark Hiltenkamp
  "Evaluation des Einfluss einzelner Komponenten von WLAN-Broadcast für größere Distanzen"
  B. Sc., 07/2021.

   

• Luis-Pepe Kreienbrink
  "Konzeption und Evaluation einer Wechseldatenträger-Emulation mit Zugriff über WLAN"
  B. Sc., 01/2021.

   

• Jannis Mast
  "Adaptive Frequency Hopping in Bluetooth Low Energy-Netzwerken"
  B. Sc., 09/2020.

   

• Jan-Niklas Brandes
  "Konzeption und Evaluation der Autokonfiguration für das Internet der Dinge am Beispiel eines Simplex-Audiübertragungssystems"
  B. Sc., 10/2018.

   

• Svantje Jung
  "Evaluation von Kontaktmetriken in opportunistischen Netzen unter Berücksichtigung geographischer Restriktionen"
  B. Sc., 10/2016.

   

• Alexander Tessmer
  "Evaluation von Compressive Sensing in simulierten drahtlosen Sensornetzen zur Erfassung ausgewählter Pflanzenparameter basierend auf Lichtspektren"
  B. Sc., 10/2016.

   

• Joris Clement
  "Implementation und Evaluation eines genetischen Algorithmus für Node-Placement Strategien in Multi-Hop Netzwerken"
  B. Sc., 08/2016.

   

Teaching - Courses

ST 2024

• Lab " Programmierpraktikum Verteilte Systeme: IoT-based Biodiversity Monitoring" [INF-BPPR, 6.660]
• Lab " Studienprojekt" [INF-GI-M-SP, 6.980]

ST 2023

• Lecture " Distributed Embedded Systems from Scratch (DESS)" [INF-INF-ME-3-D, 6.6.648]
• Lab " Cognitive Radio from Scratch (CoRS)" [INF-INF-ME-6-S, 6.666]

WT 2022/23

• Exercises to " Mobilkommunikation" [INF-MOKO, 6.634] (lecture by Nils Aschenbruck)

ST 2022

• Lab " Verteilte Systeme" [INF-BPPR, 6.666]

ST 2021

• Lab " Rechnernetze" [INF-BPPR, 6.748]

WT 2020/21

• Exercises to " Mobilkommunikation" [INF-MOKO, 6.618] (lecture by Nils Aschenbruck)

ST 2020

• Lab " Rechnernetze" [INF-BPPR, 6.658]
• Exercises to " Geo-Sensornetzwerke" [INF-GSN, 6.820] (lecture by Jan Bauer)

WT 2019/20

• Lab " Rechnernetze" [INF-BPPR, 6.658]

ST 2019

• Exercises to " Mobilkommunikation" [INF-MOKO, 6.624] (lecture by  Prof. Dr. Aschenbruck)
• Lab " Rechnernetze" [INF-BPPR, 6.652]

WT 2018/19

• Excercise to " Betriebssysteme und Rechnernetze (BR)" [INF-BR, 6.606] (lecture by Prof. Dr. Aschenbruck and Prof. Dr.-Ing. Olaf Spinczyk)

ST 2018

• Lab " IT- und Netzwerksicherheit" [INF-BPPR, 6.658]
• Exercise to " IT- und Netzwerksicherheit" [INF-ITS, 6.626] (lecture by Prof. Dr. Aschenbruck)
• Seminar " Rechnernetze" [INF-BAS, 6.686]
• Master Seminar " Verteilte Systeme" [INF-MAS, 6.692]
• Exercise to " Modellierung und Leistungsbewertung von Netzen" [6.956]

WT 2017/18

• Exercises to " Geo-Sensornetzwerke" [INF-GSN, 6.824] (seminar by  Prof. Dr. Aschenbruck)

ST 2017

• Exercises to " Mobilkommunikation" [INF-MOKO, 6.624] (lecture by  Prof. Dr. Aschenbruck)

WT 2016/17

• Exercises to " IT- und Netzwerksicherheit" [INF-ITS, 6.626] (lecture by  Prof. Dr. Aschenbruck)

ST 2016

• Exercises to " Betriebssysteme und Rechnernetze" [INF-BR, 6.606] (lecture by  Prof. Dr. Aschenbruck)
• Seminar " Rechnernetze" [INF-BAS, 6.682]

WT 2015/2016

• Exercises to " Rechnernetze und deren Leistungsbewertung" [INF-RNL, 6.626] (lecture by  Prof. Dr. Aschenbruck)
• Seminar " Verteilte Systeme" [INF-BAS, 6.682]

ST 2015

• Exercises to " Betriebssysteme und Rechnernetze" [INF-BR, 6.606] (lecture by Prof. Dr. Aschenbruck)

WT 2014/15

• Exercises to " Mobilkommunikation" [INF-MOKO, 6.626] (lecture by Prof. Dr. Aschenbruck)

ST 2014

• Exercises to " Betriebssysteme und Rechnernetze" [INF-BR, 6.604] (lecture by  Prof. Dr. Aschenbruck)
• Exercises to " Betriebssysteme Kompakt" [INF-E6, 6.605] (lecture by  Prof. Dr. Aschenbruck)
• Exercises to " Rechnernetze Kompakt" [INF-E6, 6.606] (lecture by  Prof. Dr. Aschenbruck)

Peer Review Duty

Journals

• Elsevier Ad Hoc Networks (3x2023)
• Elsevier Smart Agricultural Technology (1x2023)
• Elsevier Computers and Electronics in Agriculture (3x2022, 3x2023, 2x2024)
• Elsevier Pervasive and Mobile Computing (3x2022)
• Wiley Transactions on Emerging Telecommunications Technologies (1x2021)

Conferences

• [2023] IEEE Vehicular Technology Conference (VTC)
• [2021, 2022, 2023, 2024] VDE/ITG Fachtagung Mobilkommunikation (MKT)
• [2019, 2022] IEEE International Symposium on a World of Wireless, Mobile and Multimedia Networks (WoWMoM)
• [2021] IFIP International Internet of Things Conference (IFIP-IoT)
• [2014, 2015, 2016, 2017, 2018, 2019] IEEE International Performance Computing and Communications Conference (IPCCC)
• [2017, 2019] IEEE Sensors Applications Symposium (SAS)
• [2016, 2018] IFIP Networking Conference
• [2015, 2016, 2024] IEEE International Conference on Communications (ICC)
• [2015, 2016] IEEE World Forum on Internet of Things (WF-IoT)
• [2023, 2024] IEEE Conference on Local Computer Networks (LCN)