Abstract
Implantable devices need to communicate information to the outside world. For deep-seated miniaturized implants ultrasound communication can be favourable. However, implants need to operate during movement, and the selected communication scheme should be assessed accordingly. In this work, we implemented a simple protocol to transfer data packets based on On-Off-Keying (OOK) and Frequency-Shift-Keying (FSK) by backscatter modulation in ultrasonic communication links for deep implants.We then used it to compare FSK vs OOK encoding regarding the bit error rate during continuous ultrasound power transfer, and while moving, in a water tank setup. Our experiment shows, that sub-millimeter movements can have severe effects on OOK communication, but not for FKS. Therefore, FSK can allow for backscatter communication from deep implants regardless of their position and involved movements. The protocol can also be adapted to other backscatter modulation schemes in the future.
Original language | English |
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Title of host publication | Proceedings of the 2023 IEEE International Ultrasonics Symposium (IUS) |
Place of Publication | Piscataway |
Publisher | IEEE |
Number of pages | 4 |
ISBN (Electronic) | 979-8-3503-4645-9 |
ISBN (Print) | 979-8-3503-4646-6 |
DOIs | |
Publication status | Published - 2023 |
Event | 2023 IEEE International Ultrasonics Symposium (IUS) - Montreal, Canada Duration: 3 Sept 2023 → 8 Sept 2023 |
Conference
Conference | 2023 IEEE International Ultrasonics Symposium (IUS) |
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Abbreviated title | IUS 2023 |
Country/Territory | Canada |
City | Montreal |
Period | 3/09/23 → 8/09/23 |
Bibliographical note
Green Open Access added to TU Delft Institutional Repository 'You share, we take care!' - Taverne project https://www.openaccess.nl/en/you-share-we-take-careOtherwise as indicated in the copyright section: the publisher is the copyright holder of this work and the author uses the Dutch legislation to make this work public.
Keywords
- backscatter
- communication
- implant
- modulation
- movement
- ultrasound
- wireless