About the Authors

Johannes Georg Klotz

johannes.klotz@uni-ulm.de

Affiliation Institute of Communications Engineering, Ulm University, Ulm, Germany

Reinhard Heckel

Affiliation Department of Information Technology and Electrical Engineering, ETH Zurich, Zurich, Switzerland

Steffen Schober

Affiliation Institute of Communications Engineering, Ulm University, Ulm, Germany

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Wrote the paper: JK SS. Did important preliminary work and commented on the manuscript: RH.