Wireless channel measurement data sets for reproducible performance evaluation in industrial environments
D. Block, N.H. Fliedner, D. Toews, U. Meier, in: 2015 IEEE 20th Conference on Emerging Technologies &; Factory Automation (ETFA), 2015.

Position Detection in linear, proximity coupling Networks
D. Wesemann, S. Witte, J.-S. Michels, Position Detection in Linear, Proximity Coupling Networks, IEEE, Piscataway, NJ, 2009.