Ralf Collmann

According to our database, Ralf Collmann authored at least 6 papers between 2009 and 2012.

Collaborative distances:

• Dijkstra number of five.
• Erdős number of five.

2012

Positioning estimation in public transport systems by leaky coaxial cables.

Julia Engelbrecht, Georg Forster, Oliver Michler, Ralf Collmann

Proceedings of the 9th Workshop on Positioning, Navigation and Communication, 2012

Radiating cable for indoor localization using UMTS.

Ulrich Birkel, Mark Weber, Ralf Collmann

Proceedings of the 2012 Ubiquitous Positioning, 2012

2011

First results of a leaky coaxial cable prototype for indoor positioning.

Julia Engelbrecht, Ralf Collmann, Ulrich Birkel, Mark Weber

Proceedings of the 2011 Wireless Telecommunications Symposium, 2011

Advantage of Non-Periodic Leaky Coaxial Cable Structures for Indoor Positioning.

Julia Engelbrecht, Ralf Collmann, Ulrich Birkel, Mark Weber

Proceedings of the 74th IEEE Vehicular Technology Conference, 2011

2010

Comparison of various methods for indoor RF fingerprinting using leaky feeder cable.

Mark Weber, Ulrich Birkel, Ralf Collmann, Julia Engelbrecht

Proceedings of the 7th Workshop on Positioning Navigation and Communication, 2010

2009

Indoor RF Fingerprinting using leaky feeder cable considering environmental changes.

Mark Weber, Ulrich Birkel, Ralf Collmann

Proceedings of the 6th International Conference on Mobile Technology, 2009