A description of my image.

Robin Ohs

PhD Student & Developer

Researching Space Networks and Sustainability in Computing

๐Ÿ‘‹ Hi, I'm Robin!

I am a Ph.D. student at the Dependable Systems and Software chair at Saarland University in Germany, under Dr.-Ing. Andreas Schmidt and Prof. Dr. Holger Hermanns.


With a passion for web development and space technologies, my journey began with a Bachelor's in Cybersecurity, where I focused on generating automated software tests for Android applications. Between my bachelor's and master's, I worked on a scrum team at the German Air Force, gaining experience with agile software development, continuous integration, and tools like Jira and Confluence.

During my master's, I developed a satellite energy simulator, contributed to a Rust library for resource-aware applications, and implemented a system daemon for carbon-aware operating systems. Now, as a Ph.D. student, I research space networks and sustainable computing.

๐Ÿ“ก Academic Experience

  • 2024 - Accepted Paper at IGSCC24
  • 2023-Now - PhD student
  • 2021-2023 - M.Sc. (Computer Science)
  • 2017-2020 - B.Sc. (Cybersecurity)
  • 2017 - A-Levels (Abitur)

๐Ÿšง Working Experience

  • 2023-Now - PhD student (UdS)
  • 2023 - Research Assistant (UdS)
  • 2021-2022 - Research Assistant (UdS)
  • 2020-2021 - Developer (German Air Force)

๐ŸŒŽ Travel

I have been lucky enough to visit the following fantastic countries:

  • ๐Ÿ‡ฆ๐Ÿ‡ท Argentina
  • ๐Ÿ‡ฆ๐Ÿ‡น Austria
  • ๐Ÿ‡ง๐Ÿ‡ท Brasil
  • ๐Ÿ‡ง๐Ÿ‡ช Belgium
  • ๐Ÿ‡ง๐Ÿ‡ฌ Bulgaria
  • ๐Ÿ‡จ๐Ÿ‡ฟ Czechia
  • ๐Ÿ‡ซ๐Ÿ‡ท France
  • ๐Ÿ‡ฉ๐Ÿ‡ช (Germany)
  • ๐Ÿ‡ฌ๐Ÿ‡ท Greece
  • ๐Ÿ‡ฎ๐Ÿ‡น Italy
  • ๐Ÿ‡ฑ๐Ÿ‡ฎ Liechtenstein
  • ๐Ÿ‡ฑ๐Ÿ‡บ Luxembourg
  • ๐Ÿ‡ณ๐Ÿ‡ฑ Netherlands
  • ๐Ÿ‡ช๐Ÿ‡ธ Spain
  • ๐Ÿ‡จ๐Ÿ‡ญ Switzerland
  • ๐Ÿ‡บ๐Ÿ‡ธ United States

โฐ My Local Time

In ๐Ÿ‡ฉ๐Ÿ‡ช we currently have:

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๐Ÿ”ฌ Scientific Numbers

Name Number
h-index 1
i10-index 0
Dijkstra 4
Erdล‘s 4

me@robinohs.dev

๐Ÿ‘ท My Projects

2024

carbond is an operating-system daemon designed for carbon awareness. It monitors and manages the carbon footprint of computing systems by tracking energy consumption and providing insights into the environmental impact of software operations. The daemon provides the grid intensity for the system by considering common physical inefficiencies such as the PSU. Additionally, it has the capability to track the carbon intensity of a built-in internal battery. This project is part of an effort to promote sustainable and eco-friendly computing practices.

Rust
sustainability
carbon
Linux
daemon

2023

FLoRaSat

Advisory (Former Dev)
Active

FLoRaSat (Framework for LoRa-based Satellite networks) is a comprehensive framework designed for simulating LoRa-based satellite networks. Built on the Omnet++ discrete-event simulator, FLoRaSat enables detailed end-to-end simulations for satellite Internet of Things (IoT) applications. The framework adapts LoRa and LoRaWAN protocols specifically for space communications, allowing researchers and developers to analyze and optimize satellite network performance. Additionally, it has the capability to research routing algorithms for Low Earth Orbit (LEO) satellite constellations, making it a versatile tool for studying and enhancing satellite IoT systems.

C++
Omnetpp
Omnet++
satellites
FLoRaSat
Space

TOTP for Kotlin

Maintainer
Maintenance

totp-kt is a Kotlin library designed for implementing HOTP and TOTP (time-based one-time passwords) in your applications. It offers support for generating and validating 2-factor authentication codes, creating recovery codes, and generating secure random secrets. The library is useful for enhancing the security of your applications by providing a reliable method for two-factor authentication..

Kotlin
OTP
HOTP
TOTP
Authenticator
MFA
2FA
Security

๐Ÿ“ƒ My Publications

2024

Dirty Electrons: On the Carbon Intensity of Stored Energy

IGSC
Conference

Robin Ohs, Henry Janson, Andreas Schmidt, Luis Gerhorst, Benedict Herzog, Timo Hรถnig

IN: The 15th International Green and Sustainable Computing Conference

Quantitative analysis of segmented satellite network architectures: A maritime surveillance case study

ComNet
Journal

Juan A. Fraire, Santiago Henn, Gregory Stock, Robin Ohs, Holger Hermanns, Felix Walter, Lynn Van Broock, Gabriel Ruffini, Federico Machado, Pablo Serratti, Jose Relloso

IN: Comput. Networks 255

2023

carbond: An Operating-System Daemon for Carbon Awareness

HotCarbon
Conference

Andreas Schmidt, Gregory Stock, Robin Ohs, Luis Gerhorst, Benedict Herzog, Timo Hรถnig

IN: 2nd Workshop on Sustainable Computer Systems (HotCarbon)