Haci, D;
Mifsud, A;
Liu, Y;
Ghoreishizadeh, SS;
Constandinou, TG;
(2019)
In-body wireline interfacing platform for multi-module implantable microsystems.
In:
Proceedings of the 2019 IEEE Biomedical Circuits and Systems Conference (BioCAS).
IEEE: Nara, Japan.
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Abstract
The recent evolution of implantable medical devices from single-unit stimulators to modern implantable microsystems, has driven the need for distributed technologies, in which both the implant system and functions are partitioned across multiple active devices. This multi-module approach is made possible thanks to novel network architectures, allowing for in-body power and data communications to be performed using implantable leads. This paper discusses the challenges in implementing such interfacing system and presents a platform based on one central implant (CI) and multiple peripheral implants (PIs) using a custom 4WiCS communication protocol. This is implemented in PCB technology and tested to demonstrate intrabody communication capabilities and power transfer within the network. Measured results show CI-to-PI power delivery achieves 70 % efficiency in expected load condition, while establishing full-duplex data link with up to 4 PIs simultaneously.
| Type: | Proceedings paper |
|---|---|
| Title: | In-body wireline interfacing platform for multi-module implantable microsystems |
| Event: | 2019 IEEE Biomedical Circuits and Systems Conference (BioCAS) |
| ISBN-13: | 9781509006175 |
| Open access status: | An open access version is available from UCL Discovery |
| DOI: | 10.1109/BIOCAS.2019.8918756 |
| Publisher version: | http://dx.doi.org/10.1109/BIOCAS.2019.8918756 |
| Language: | English |
| Additional information: | This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions. |
| Keywords: | Implants, Downlink, Uplink, Protocols, Lead, Wires, Frequency shift keying |
| UCL classification: | UCL UCL > Provost and Vice Provost Offices > UCL BEAMS UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Electronic and Electrical Eng |
| URI: | https://discovery.ucl.ac.uk/id/eprint/10090172 |
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