Christian Bettstetter – Professor, Networked and Embedded Systems, Klagenfurt

Drones in cellular networks

A new project investigates the integration of unmanned aerial vehicles in 5G networks and proposes a hybrid connectivity solution with Wi-Fi. The work is led by Aymen Fakhreddine and...

June 8, 2022

Projects

Teams of robots that don’t run out of energy

Published by Christian Bettstetter

Let’s imagine a large region affected by an earthquake that needs to be combed for missing persons. Because buildings remain at risk of collapsing, this is a task that...

October 6, 2021

Interviews, Projects

“Research and cultural diversity widened my horizons.”

Published by Christian Bettstetter

Pasquale Grippa recently completed his doctorate in technical sciences. He spoke to us about his research focus—improving autonomous transport systems with the help of artificial intelligence.

July 18, 2021

Advice, Career, Interviews

Wireless connectivity in airplanes

Published by Christian Bettstetter

The aviation industry is interested in wireless solutions for in-plane connectivity to improve safety and reduce airplane cost and weight. Ultra-wideband (UWB) seems to be a suitable technology for...

April 21, 2021

Projects, Publications

Offloading computation to 5G networks: Helping drones to improve their autonomous navigation

Published by Christian Bettstetter

Commercial drones usually come equipped with modest on-board computing power. Consequently, their speed and agility are somewhat limited when they use their cameras like eyes to navigate in space....

March 19, 2021

Projects, Publications

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

Drones, Prototypes, Videos

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

Drones, Publications

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, Featured, Publications, Talks, Videos

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

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

October 11, 2019

Workshop on scientific writing

The Mobile Systems Group of the University of Klagenfurt held a workshop on scientific writing. They discussed the typical...