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Capacitive Near-Field Communication for Ubiquitous Interaction and Perception

: Große-Puppendahl, Tobias; Herber, Sebastian; Wimmer, Raphael; Englert, Frank; Beck, Sebastian; Wilmsdorff, Julian von; Wichert, Reiner; Kuijper, Arjan


Brush, A.J. ; Association for Computing Machinery -ACM-, Special Interest Group on Computer and Human Interaction -SIGCHI-; Association for Computing Machinery -ACM-, Special Interest Group on Mobility of Systems Users, Data, and Computing -SIGMOBILE-:
UbiComp' 14, Proceedings of the 2014 ACM International Joint Conference on Pervasive and Ubiquitous Computing. CD-ROM : September 13 - 17, 2014, Seattle, WA, USA
New York: ACM, 2014
ISBN: 978-1-4503-2968-2
International Conference on Ubiquitous Computing (Ubicomp) <16, 2014, Seattle/Wash.>
Fraunhofer IGD ()
Capacitive sensors; Ubiquitous computing; Communication technologies; Intrabody communication; Near field communication (NFC); Human-computer interaction (HCI)

Smart objects within instrumented environments offer an always available and intuitive way of interacting with a system. Connecting these objects to other objects in range or even to smartphones and computers, enables substantially innovative interaction and sensing approaches. In this paper, we investigate the concept of Capacitive Near-Field Communication to enable ubiquitous interaction with everyday objects in a short-range spatial context. Our central contribution is a generic framework describing and evaluating this communication method in Ubiquitous Computing. We prove the relevance of our approach by an open-source implementation of a low-cost object tag and a transceiver offering a high-quality communication link at typical distances up to 15 cm. Moreover, we present three case studies considering tangible interaction for the visually impaired, natural interaction with everyday objects, and sleeping behavior analysis.