Master Theses

• (2025) ahoi.SD: Software-Defined Underwater Acoustic Modem
  Student: Julian Schuler
  Advisor: Prof. Renner

• (2025) Battery-free Communication with Synchronous Floods: Modeling and Protocol design
  Student: Jan Lüken
  Advisor: Prof. Renner

• (2025) Ant Colony Algorithm and AI for Path Planning of AUVs in Dynamic Environments
  Student: Maximilian Muza
  Advisor: Wiebke Frenkel

• (2025) Solar-Based Timekeeping for Batteryless Devices
  Student: Konstantin Gosch
  Advisor: Johannes Göpfert

• (2024) Channel Coding for Acoustic Underwater Communication based on Frequency Shift Chirp Modulation
  Student: Julia Wüpperling
  Advisor: Fabian Steinmetz

• (2024) Energy-aware Task Scheduling for Intermittent Systems
  Student: Constantin Holtorff
  Advisor: Johannes Göpfert

• (2024) Energy-Autonomous Operation for Sustainable IoT Applications with Integrated GNSS
  Student: Nick Lihring
  Advisor: Christian Busse

• (2023) Synchronization and Demodulation of Acoustic Frequency Shift Chirp Modulation on a Low-Power Microcontroller
  Student: Alhussein Abdelhamid
  Advisor: Fabian Steinmetz

• (2023) Online Self-Localization for a Small Underwater Vehicle
  Student: Caroline Kühl
  Advisor: Fabian Steinmetz

• (2022) Entwicklung eines Connectivity Boards für autonome mobile Roboter und fahrerlose Transportfahrzeuge
  Student: Jannes Hagemann
  Advisor: Christian Renner

• (2022) Equalization in a Software-Defined Acoustic Backscatter Receiver
  Student: Jonathan Zorn
  Advisor: Peter Oppermann

• (2022) Robust Trajectory Control Design for Autonomous Underwater Vehicles
  Student: Jan Reich
  Advisor: Christian Busse

• (2021) Multi-Frequency Acoustic Backscatter Reader and Transmitter
  Student: Cem Aygün
  Advisor: Peter Oppermann

• (2021) Efficient Signal Processing for a Low-Power Acoustic Underwater Modem
  Student:Timo Kortbrae
  Advisor: Fabian Steinmetz

• (2021) Robust Navigation of an Autonomous Underwater Vehicle (AUV)
  Student: Yekaterina Lertxundi Sesma
  Advisor: Christian Busse

• (2020) Chirp-Receiver for Acoustic Underwater Communication
  Student: Robert Oehlmann
  Advisor: Fabian Steinmetz

• (2019) Konzeption und Analyse eines Heizsystems für Lithium-Ionen-Batterien
  Student: Jannick Brockmann
  Advisor: Prof. Bernd-Christian Renner

• (2018) FPGA-Accelerated Signal Processing for a Tiny, Low-Power Acoustic Underwater Modem 
  Student: Sven Wrieden
  Advisor: Prof. Bernd-Christian Renner

• (2018) Driverless Path Planning for a Formula Student Car 
  Student: Maxim Yastremsky
  Advisor: Prof. Bernd-Christian Renner

• (2018) Comparison and Evaluation of Prediction Algorithms using Solar-Energy-Harvesting 
  Student: Eahab Issac
  Advisor:  Lars Hanschke

• (2018) Chirp Modulation for a Low-Power Acoustic Underwater Modem 
  Student: Fabian Steinmetz
  Advisor:  Jan Heitmann

• Medium Access Control in Underwater Environments 
  Student: Gabriel Garcia Ramos
  Advisor:  Jan Heitmann

• WiFi-Enabled and Solar-Powered Sensors for Smart Ports
  Student: Jan Heitmann (University of Lübeck)
  Advisor:  Bernd-Christian Renner

Bachelor Theses

• (2026) Development of a Reconfigurable Energy Storage System for Batteryless Devices
  Student: Hala Shoeb
  Advisor: Johannes Göpfert

• (2025) On the Evaluation of a Decentralized Passive Localization Method for Underwater Swarm Vehicles
  Student: Max Knobelsdorf
  Advisor: Yuehan Jiang

• (2024) Characterization and Calibration of a Low-Cost Impedance Analyzer
  Student: Frederik Schulte
  Advisor: Peter Oppermann

• (2023) Passive Localization of an Autonomous Underwater Vehicle
  Student: Bahne Schütze
  Advisor: Yuehan Jiang

• (2023) Parameter Identification for a Lithium-Ion Battery
  Student: Mouaz Al Shbib
  Advisor: Wiebke Frenkel

• (2023) Low-Power Operation of Microcontrollers with Repetitive Tasks
  Student: Konrad Nölle
  Advisor: Peter Oppermann

• Simulation-based feasibility analysis of quadcopter precision landing
  Student: Moritz Bäcker
  Advisor: Christian Busse

• (2021) Experimental Evaluation of Acoustic Underwater Positioning Accuracy using Real-Time Kinematic GNSS
  Student: Thore Hertrampf
  Advisor: Christian Busse

• (2020) Centralized Calibration of an Underwater Localization System 
  Student: Felix Bootsveld
  Advisor:  Fabian Steinmetz

• (2020) Modeling and Experimental System Identification of an Underwater Vehicle 
  Student: Julian Mogk
  Advisor: Christian Busse

• (2017) Modular Software Architecture for an Acoustic Underwater Modem Based on a Cortex-M4 
  Student: Timo Kortbrae
  Advisor:  Jan Heitmann

• (2017) Power Amplifier for a Low-Power Modem for Acoustic Underwater Communication 
  Student: Lucas Bublitz
  Advisor:  Bernd-Christian Renner

• (2016) Adaptive Gain Control for Acoustic Underwater Communication 
  Student: Philipp Bolze (University of Lübeck)
  Advisor:  Bernd-Christian Renner

Project Works

• (2024) Short-Baseline Localization for Acoustic Bedload Tracers
  Student: Till Schwiers
  Advisor: Dr. Peter Oppermann

• (2024) Path Planning for μ AUVs Using Machine Learning Techniques
  Student: Björn Wohltmann
  Advisor: Wiebke Frenkel

• (2024) Enabling Concurrent Transmissions on top of Zephyr IEEE abstractions
  Student: Jan Lüken
  Advisor: Prof. Renner

• (2024) Design of a Reconfigurable Energy-Storage for a Batteryless Sensor Node
  Student: Tushar Dinesh Shiralkar
  Advisor: Johannes Göpfert

• (2024) Simulation Tool for Wake-Up Radio based Intermittent Wireless Sensor Networks
  Student: Konstantin Gosch
  Advisor: Johannes Göpfert

• (2024) Backscattering Underwater Beacon
  Student: Gerrit Schill
  Advisor: Peter Oppermann

• (2024) Analysis, Implementation, and Comparison of Positioning Controllers in ArduSub Firmware
  Student: Dennis Nguyen
  Advisor: Christian Busse

• (2024) Acoustic Frequency Shift Chirp Modulation on a Low-Power Microcontroller
  Student: Julia Wüpperling
  Advisor: Fabian Steinmetz

• (2023) Developing Load Models for 𝜇AUVs
  Student: Lucas Rousselange
  Advisor: Wiebke Frenkel

• (2023) Simulation Tool for AUV Swarms
  Student: Erik Lamprecht
  Advisor: Wiebke Frenkel

• (2023) Software Defined Radio Implementation for a Backscatter Receiver
  Student: Oliver Janus
  Advisor: Peter Oppermann

• (2023) LoRa-enabled Real-Time Kinematic GNSS for Long Baseline Acoustic Positioning
  Student: Nick Lihring
  Advisor: Christian Busse

• (2023) Implementation of a Microcontroller Based Acoustic Backscatter Receiver
  Student: Karthik Lokesh
  Advisor: Peter Oppermann

• (2023) Orthogonal Codes for Acoustic Underwater Localization
  Student: Sergej Keller
  Advisor: Fabian Steinmetz

• (2021) Modeling and Experimental System Identification of an Underwater Robot
  Student: Jan Reich
  Advisor: Christian Busse

• (2021) Inertial Sensor-based Position Estimation for an Underwater Vehicle
  Student: Aysha Sundas
  Advisor: Christian Busse

• (2021) Acoustic Underwater Wake-Up Receiver 
  Student: Lucas Bublitz
  Advisor:  Fabian Steinmetz

• (2021) A new Home for the ahoi Modem, a low-power Acoustic Underwater Modem 
  Student: Juan David Londoño
  Advisor: Fabian Steinmetz

• (2020) Impedance Matching on Piezoelectic Transducers for Acoustic Backscatter Communication
  Student: Laxmi Ghising
  Advisor: Peter Oppermann

• (2021) Autonomous Navigation for a Small Underwater Vehicle Based on Acoustic Localization 
  Student: Christian Horst
  Advisor: Jan Heitmann

• (2019) Development and Sensor Board for a Micro Autonomous Underwater Vehicle
  Student: Frank Zimdars
  Advisor: Fabian Steinmetz

• (2019) Energy Harvesting on a LoRa-Enabled Environmental Monitoring Buoy 
  Student: Sebastian Stapel
  Advisor: Jan Heitmann and Lars Hanschke

• (2019) Beyond Energy-aware Rate-based Scheduling 
  Student: Kerem Saka
  Advisor: Lars Hanschke

• (2018) Finding Dependencies in Program Flows for Energy-Harvesting Systems 
  Student: Mahmoud Sherrah
  Advisor: Lars Hanschke

• (2018) Online Self-Localization for a Small Autonomous Underwater Vehicle Based on ToF-Ranging 
  Student: Fabian Steinmetz
  Advisor: Jan Heitmann

• (2018) Energy-Aware Scheduling and Solar-Harvesting Prediction on an Ultra-Low-Power Co-Processor 
  Student: Alexander Sowarka
  Advisor: Lars Hanschke

• (2017) Simulations for Wireless Sensor Networks in Sub-1-GHz Bands
  Student: Kaushik Hariharanagarajan
  Advisor: Lars Hanschke

• (2017) Chirp-Modulation for Resilient Acoustic Underwater Communication
  Student: Ankit Ghosh
  Advisor: Bernd-Christian Renner

• (2017) Experimentation and Evaluation Support for Acoustic Underwater Communication
  Student: Eahab Isaac
  Advisor: Bernd-Christian Renner