NDLI: A Dual Band Wireless Power and FSK Data Telemetry for Biomedical Implants

Content Provider	IEEE Xplore Digital Library
Author	Jung, L.H. Byrnes-Preston, P. Hessler, R. Lehmann, T. Suaning, G.J. Lovell, N.H.
Copyright Year	2007
Description	Author affiliation: Univ. of New South Wales, Sydney (Jung, L.H.; Byrnes-Preston, P.)
Abstract	A dual-link coil arrangement and a novel digital frequency-shift keying (FSK) demodulator are presented. The primary application of this system is for inductively powered biomedical implants. The implant is provided with data and power via two separate links. Two sets of coils are used in an arrangement such that the magnetic interference between the two pairs is minimized. The demodulator circuitry presented relies solely on delaying elements, utilizing a delayed digital FSK signal to sample the original digital FSK signal. A synchronized clock can be derived from the FSK signals alone, however, by utilizing the power signal to obtain a synchronized clock, a higher data rate and a decrease in complexity of the receiver circuitry can be achieved. The system was implemented on the bench and experimentally tested at a data rate of 2.083 Mbps with zero bit error rate while receiving a 4.17/6.25 MHz FSK carrier signal synchronized with 2.083 MHz clock derived from the power carrier. The power link was set to provide 58 mW.
Starting Page	6596
Ending Page	6599
File Size	300171
Page Count	4
File Format	PDF
ISBN	9781424407873
ISSN	1557170X
DOI	10.1109/IEMBS.2007.4353871
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-08-22
Publisher Place	France
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Dual band Frequency shift keying Telemetry Implants Frequency synchronization Clocks Coils Demodulation Circuits Delay
Content Type	Text
Resource Type	Article
Subject	Signal Processing Biomedical Engineering Health Informatics Computer Vision and Pattern Recognition

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