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Implementation of simultaneous energy and data transfer in a contactless connector

: Trautmann, M.; Joffe, C.; Pflaum, F.; Sanftl, B.; Weigel, R.; Heckel, T.; Koelpin, A.


Institute of Electrical and Electronics Engineers -IEEE-; IEEE Microwave Theory and Techniques Society:
IEEE Topical Conference on Wireless Sensors and Sensor Networks, WiSNet 2016. Proceedings : 24-27 January 2016, Austin, Texas; IEEE Radio & Wireless Week, RWW 2016
Piscataway, NJ: IEEE, 2016
ISBN: 978-1-5090-1691-4
ISBN: 978-1-5090-1690-7
Topical Conference on Wireless Sensors and Sensor Networks (WiSNet) <2016, Austin/Tex.>
Radio & Wireless Week (RWW) <10, 2016, Austin/Tex.>
Fraunhofer IISB ()

This paper presents a contactless near field energy and data transfer system, which uses one common pair of coils for both transmission purposes. Though a contactless connector for harsh environments proves an exemplary application, the concept can be adapted to several other applications. The challenge is to transmit the data simultaneously to a large energy signal. The system concept, simulation, as well as measurement results of a hardware demonstrator will be presented in this paper. It will be shown that a robust data transmission system can be realized featuring superior SNR and nearly noise free operation even with a simultaneous energy transfer of several kilowatts.