Course paper / final thesis

Timing Analysis of SpaceWire Using OMNeT++ based Simulator

Starting date


Duration of contract

6 months

Type of employment


"Cutting-edge research requires excellent minds – particularly more females – at all levels. Launch your mission with us and send in your application now!" Prof. Pascale Ehrenfreund - Chair of the DLR Executive Board

SpaceWire is a communication network nominated by the European Space Agency (ESA) to be the sole on-board communication network. It is designed to transmit both, application data (non-critical packets) and control information (critical packets) at the same time. Considering space constraints, designers used small buffers and implemented the wormhole protocol without virtual channels.  However, these specifications may make the timing behavior of SpaceWire unpredictable.

SpaceWire is used in safety-critical applications, which require guarantees on the end-to-end timing constraints. Many papers addressed the problem of computing the best-case and worst-case end-to-end latency with a set of assumptions. In this work, we aim to build a SpaceWire simulator using OMNeT++ which reflects the state-of-the-art topology of SpaceWire. The simulator will be used then to perform a timing analysis of SpaceWire.

In practice, you will have the following tasks to carry out:

  • address the state-of-the-art timing analysis of SpaceWire
  • build a SpaceWire simulator using OMNeT++
  • conduct experiments to bound the worst-case end-to-end delay in SpaceWire
  • write a master thesis report

Your qualifications:

  • Bachelor’s degree in Computer Science or in a relevant technical field
  • good knowledge of networks and routing protocols
  • basic knowledge of timing analysis, e.g., computing the WCET and WCRT
  • good knowledge of C++
  • you are able to communicate in English (supervision will be in English)
  • basic knowledge of OMNeT++ is of advantage

Your benefits:

Look forward to a fulfilling job with an employer who appreciates your commitment and supports your personal and professional development. Our unique infrastructure offers you a working environment in which you have unparalled scope to develop your creative ideas and accomplish your professional objectives. Our human resources policy places great value on a healthy family and work-life-balance as well as equal opportunities for persons of all genders (m/f/non-binary). Individuals with disabilities will be given preferential consideration in the event their qualifications are equivalent to those of other candidates.

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Technical contact

Mr. Dr. Zain Alabedin Haj Hammadeh
Simulation and Software Technology

Phone: +49 531 295-3663

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Vacancy 44045

HR department Braunschweig

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DLR site Braunschweig

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DLR Simulation and Software Technology

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