Christian Bettstetter

Professor, Networked and Embedded Systems, Klagenfurt

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Recent Posts

Deadlocks in the synchronization of oscillators

Published by Christian Bettstetter

Certain oscillator networks suffer from deadlocks that prevent them from synchronizing. We derived the likelihood for such constellations in star graphs and found that they also occur in random...

December 1, 2020
Publications

Drones that sync and swarm

Published by Christian Bettstetter

Scientists of the doctoral school "Networked Autonomous Aerial Vehicles" implemented a self-adaptive swarm of drones and showcased it in Klagenfurt's new drone hall, one of the largest and most...

December 5, 2019
Prototypes, Videos

Workshop on scientific writing

Published by Christian Bettstetter

The Mobile Systems Group of the University of Klagenfurt held a workshop on scientific writing. They discussed the typical parts of a paper along with specific challenges and practiced...

October 11, 2019
Advice, General Audience

Using cellular networks for drones

Published by Christian Bettstetter

It might soon become common for drones to transport goods and people, monitor disaster zones, and bring various forms of relief to areas that are difficult to access. Which...

September 20, 2019
Publications

About

Christian Bettstetter

Christian Bettstetter is professor in Networked and Embedded Systems at U Klagenfurt and scientific director of Lakeside Labs.

(CV in German)     

Bettstetter and his team work on wireless communications and self-organization in networks.

Ongoing research comprises interference, relaying, and synchronization in wireless systems, robot exploration, and UAV communications.

He teaches courses on 'electricity and magnetism' and 'mobile communications and networks.'

Research on Drones

Unmanned aerial vehicle communications: Opportunities and challenges

Published by Christian Bettstetter

Wireless communications is essential for many applications with commercial drones. Omid Semiari interviewed Christian Bettstetter about this exciting topic at the interface of communications and robotics for the latest...

December 11, 2018
Drones, In a Nutshell, Interviews, Press Coverage

“Drones are here to stay. Get used to it.”

Published by Christian Bettstetter

This statement was the title of a TIME article, which was included in the magazine’s special report on “The Drone Age”. We asked Christian Bettstetter to tell us what...

October 2, 2018
Drones, Interviews, Press Coverage

Packages delivered by air: Drones as delivery service

Published by Christian Bettstetter

What has travelled by road to reach us until now could be delivered by drones in the future. This has many advantages: Poor rural transport infrastructure or persistent congestion...

January 12, 2018
Drones, Interviews, Press Coverage

Networking research challenges in multi-UAV systems

Published by Christian Bettstetter

We highlight research issues for wireless networking in aerial systems consisting of multiple small autonomous drones. Among these challenges are video streaming, synchronization, security and safety, and interference management.

December 12, 2016
Drones, Publications, Talks, Videos

Research on Self-Organizing Synchronization

Robots that sync and swarm: A proof of concept in ROS 2

Published by Christian Bettstetter

The swarmalator model for systems in which synchronization and swarming are coupled is implemented and studied for the first time in a technical system.

September 20, 2018
Prototypes, Synchronization, Videos

Synchronization with phase rate correction

Published by Christian Bettstetter

Synchronization algorithms based on the theory of pulse-coupled oscillators are evaluated on programmable radios. It is experimentally demonstrated that the stochastic nature of coupling is a key ingredient for...

April 4, 2016
Projects, Publications, Synchronization

Research on Wireless Systems

UWB connectivity in industrial environments

Published by Christian Bettstetter

The connectivity of ultra-wideband (UWB) devices is studied in an aircraft assembly hangar and a production hall. These measurements are the first ones reported for off-the-shelf UWB devices in...

April 2, 2018
Projects, Publications, Wireless

Interference functionals in wireless networks

Published by Christian Bettstetter

Wireless networks are often modeled using tools from stochastic geometry. A team of researchers from Klagenfurt, Athens, and Notre Dame now contributed to these tools by solving general sum-product...

October 10, 2014
Publications, Wireless

Recent Publications

Autocorrelation and coherence time of interference in Poisson networks. IEEE Trans. Mobile Comput., 2019.

On interference dynamics in Matérn networks. IEEE Trans. Mobile Comput., 2019.

Drone delivery systems: Job assignment and dimensioning. Autonom. Robots, 2019.

Drone networks: Communications, coordination, and sensing. Ad Hoc Netw., 2018.

Dynamic stochastic time synchronization for wireless sensor networks. IEEE Trans. Ind. Informat., 2017.

Convergence of self-organizing PCO synchronization in dynamic networks. IEEE Trans. Automat. Contr., 2017.

Tool advice

Advice, Featured, Software

Using Trello in academia

Trello is a software tool to manage projects and workflows using Kanban boards. It can greatly support scientists. A primer.

November 27, 2016

Essay

Advice, Popular

Science is like Star Trek

Our mission in academia is to “explore strange new worlds, … to boldly go where no one has gone before.” Professors and their teams should be free to focus...

April 1, 2017

Outreach

Popular, Press Coverage

WIRED: Samira Hayat about drones

The autonomous drone system developed by Lakeside Labs and U Klagenfurt is one of «15 novel ideas for 2015» featured by the WIRED magazine. Max Biederbeck interviewed Samira Hayat,...

January 21, 2015

Advice

April 16, 2017

Questions in professorship hearings

“What’s to expect in job interviews for a professorship?” is a commonly raised question by researchers applying for a...

by Christian Bettstetter
November 27, 2016

Using Trello in academia

Trello is a software tool to manage projects and workflows using Kanban boards. It can greatly support scientists. A primer.

by Christian Bettstetter
May 11, 2016

“What salary can I expect in industry after my PhD?”

For many young researchers, the PhD graduation marks the end of an era of standardized salaries. They now have...

by Christian Bettstetter
Mit freundlicher Genehmigung des Kosmos Verlags entnommen aus: Kosmos Computer Praxis: CP 1 - Das universelle Mikroprozessor-System
April 5, 2016

My first programming experience

Read about my first computer and programming experience, share your own experience, and join the discussion about the best-suited...

by Christian Bettstetter
February 23, 2015

Software for scientists using Mac, iPad

My personal experience as a professor with some software tools for the Apple Mac (OS X) and iPad (iOS)...

by Christian Bettstetter
July 1, 2014

“Should I pursue an academic career?”

Professors are often asked by master and PhD students whether an academic career can be recommended. Christian Bettstetter and...

by Christian Bettstetter

Research

September 17, 2018

Guarded access balances out waiting times in transport systems

A transport system with passengers traveling between stations in periodically arriving cabins is considered. We propose and evaluate an...

by Christian Bettstetter
February 14, 2018

One time for all: Synchronizing time in drone swarms

Wherever several clocks tick simultaneously, it is tricky to get them all to display precisely the same time. This...

by Christian Bettstetter
November 12, 2017

Intelligent boarding to ski lifts

A boarding solution for a cable car system that limits the number of passengers allowed to enter a transport...

by Christian Bettstetter
December 11, 2016

Coordinated recharging of mobile robots during exploration

Mobile robots in explorer missions need to charge their batteries from time to time. Different policies for coordinated recharging...

by Christian Bettstetter
October 18, 2016

Bit error rate in Poisson networks

Mathematical expressions for bit error rates in a wireless system are derived and provide insight into interference control.

by Christian Bettstetter
April 27, 2016

UWB sensor networks in airplanes

The airplane industry is interested in replacing heavy cables in aircraft by wireless connectivity. We are currently investigating the...

by Christian Bettstetter
March 16, 2015

Achieving consensus in networks with disturbances

The convergence of binary majority consensus algorithms is studied in networks with different types of disturbances. It is shown...

by Christian Bettstetter
December 31, 2014

Collaborative mapping with mobile robot teams

New packages for the Robot Operating System (ROS) are available for autonomous exploration of unknown environments using collaborating mobile...

by Christian Bettstetter
Minidrone delivers parcel
July 31, 2014

Job selection in UAV-based delivery services

Aerial delivery services using small unmanned aerial vehicles (UAVs) have been proposed by major online retailers, logistics companies, and...

by Christian Bettstetter
June 12, 2014

Wireless technologies for small drone systems

A new article published in the IEEE Communications Magazine discusses some aspects of wireless communications for different applications involving...

by Christian Bettstetter
Programmable radio boards (WARP)
February 8, 2014

Pulse-coupled oscillator synchronization on FPGA radios

The precision of synchronization algorithms based on the theory of pulse-coupled oscillators is evaluated on FPGA-based radios for the...

by Christian Bettstetter
August 20, 2013

How interference dynamics influences wireless communications with relays

We analyze a wireless communication system with multiple relays operating in an interference-limited setting. Analytical results derived for different...

by Christian Bettstetter
July 5, 2013

A relay selection protocol for cooperative wireless networks

A protocol for the selection of relay devices operating in the data link layer of wireless networks was proposed,...

by Christian Bettstetter
May 2, 2013

Modeling protocols in relay networks with Markov chains

Different communication protocols for relay selection in wireless networks have been modeled using Markov chains in order to analyze...

by Christian Bettstetter

Events

September 17, 2019

Research days: Communication in swarms

A workshop about communication in swarms took place in Klagenfurt in mid-July. Invited speakers and other experts discussed questions...

by Christian Bettstetter
December 18, 2018

Panel: 5G opportunities and challenges

A panel on the next generation of mobile communication systems was held in Klagenfurt. Experts from two network operators,...

by Christian Bettstetter
September 30, 2017

5G Playground Carinthia

Austria establishes a test field for 5G mobile systems. It can be used by companies and research institutes to...

by Christian Bettstetter
July 12, 2017

Research days: Swarming in cyber physical systems

An interdisciplinary workshop on self-organization and swarm intelligence in cyber physical systems was held at Lakeside Labs this week....

by Christian Bettstetter
May 16, 2017

re:publica: Drones & Co

Samira Hayat and I attended re:publica 2017 in Berlin. It was an exciting event not least because Samira gave...

by Christian Bettstetter
November 7, 2016

“I develop drone networks for life-saving applications”

Samira Hayat from my team told her personal story at this year’s TED event at CERN and reported on...

by Christian Bettstetter

Professor, Networked and Embedded Systems, Klagenfurt

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