Thesis Work: Evaluation of time synchronization over wide-area wireless networks

3 days ago

Västerås, Västmanland, Sweden ABB Full time 40,000 - 60,000 per year

At ABB, we help industries outrun - leaner and cleaner. Here, progress is an expectation - for you, your team, and the world. As a global market leader, we'll give you what you need to make it happen. It won't always be easy, growing takes grit. But at ABB, you'll never run alone. Run what runs the world.

This Position reports to:

R&D Team Lead
 

Time synchronization (TS) is essential for a plethora of automation use cases, e.g., farming and unmanned vehicles. However, achieving an accurate TS over wide-area wireless networks, such as 5G, is challenging due to, e.g., device mobility and large areas to cover. To accommodate TS needs, wireless networks introduce special features and mechanisms.

This thesis is to study and evaluate how a case-study wireless network supports TS.

Details

  • Period: January/February – June/July months)
  • Number of credits: 30 ECTS
  • Number of students for this thesis work: 2
  • Location: On-site at ABB Corporate Research in Västerås

Your role and responsibilities

  • Study a time synchronization (TS) solution called Precision Time Protocol (PTP)
  • Analyze key features and mechanisms of wireless networks that enable a high TS accuracy
  • Evaluate performance of PTP over a real-world wireless network under different test conditions

Research questions:

  • What time accuracy can be obtained for the case-study wireless network?
  • What is a major factor impacting PTP performance therein?

Approach:

  • Review literature on PTP and its support in wireless networks
  • Configure PTP server and clients to work with a real-world wireless network
  • Define and realize methodology for PTP performance evaluations
  • Conduct performance measurements in the case-study wireless network and analyze them

Qualifications for the role
  • General understanding of wireless networks and principles of their operation
  • Basic knowledge of time synchronization and TS protocols such as NTP or PTP
  • Good hands-on skills in computer networking, a networking integration experience is advantageous
  • Good spoken and written English
     

​More about us

Supervisor Ognjen Dobrijevic, , will answer all your questions about the thesis topic and expectations. Recruiting Manager Linus Thrybom, , will answer your questions regarding hiring.

Positions are filled continuously. Please apply with your CV, academic transcripts, and a cover letter in English. We look forward to receiving your application

Join us. Be part of the team where progress happens, industries transform, and your work shapes the world. Run What Runs the World. 

A Future Opportunity
Please note that this position is part of our talent pipeline and not an active job opening at this time. By applying, you express your interest in future career opportunities with ABB.

We value people from different backgrounds. Could this be your story? Apply today or visit to learn more about us and see the impact of our work across the globe.

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