A Power and Data Link for a Wireless-Implanted Neural Recording System
Abstract
A wireless cortical neural recording system with a miniature-implanted package is needed in a variety of neuroscience and biomedical applications. Toward that end, we have developed a transcutaneous two-way communication and power system for wireless neural recording. Wireless powering and forward data transmission (into the body) at 1.25 Mbps is achieved using a frequency-shift keying modulated class E converter. The reverse telemetry (out of the body) carrier frequency is generated using an integer-N phase-locked loop, providing the necessary wideband data link to support simultaneous reverse telemetry from multiple implanted devices on separate channels. Each channel is designed to support reverse telemetry with a data rate in excess of 3 Mbps, which is sufficient for our goal of streaming 16 channels of raw neural data. We plan to incorporate this implantable power and telemetry system in a 1-cm diameter single-site cortical neural recording implant.
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Wireless versions of the UEA and other systems have been developed, but these prototype systems are not yet sufficiently robust for clinical use.
“A clinical cortical visual prosthesis would be expected to use wireless actuation of the electrode arrays, and although wireless versions of the UEA and other systems have been developed (31, 50, 51), these prototype systems are not yet sufficiently robust for clinical use.”
From Visual percepts evoked with an intracortical 96-channel microelectrode array inserted in human occipital cortex (2021) · cites this paper as [51]
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Fernández, E., Alfaro, A., Soto-Sánchez, C., Gonzalez-Lopez, P., Lozano, A. M., Peña, S., Grima, M. D., Rodil, A., Gómez, B., Chen, X., et al. (2021) · Journal of Clinical Investigation · doi:10.1172/jci151331 · Cited by 250 · see citing works
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- Authors
- Rush, A. D., & Troyk, P. R.
- Affiliations
- Illinois Institute of Technology (US)
- ORCID
- Troyk, P. R.
- Venue
- IEEE Transactions on Biomedical Engineering
- Published
- 2012-11
- Volume
- 59
- Issue
- 11
- Pages
- 3255-3262
- ISSN
- 0018-9294 (ISSN-L)
- 1558-2531
- OpenAlex
- W2052410984
- Cited by
- 90
- References
- 25
- Citations by year
- 2026: 3 · 2025: 3 · 2024: 3 · 2023: 3 · 2022: 15 · 2021: 12 · 2020: 9 · 2019: 5 · 2018: 5 · 2017: 8 · 2016: 6 · 2015: 6 · 2014: 10 · 2013: 1
- FWCI
- 3.10
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- IEEE Transactions on Biomedical Engineering (publishedVersion)
- PubMed (publishedVersion)
- Topics
- Physical Sciences › Engineering › Biomedical Engineering › Wireless Body Area Networks
- Physical Sciences › Engineering › Electrical and Electronic Engineering › Wireless Power Transfer Systems
- Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neural Engineering
- Keywords
- wireless neural recording, wireless power transfer, class-E converter, frequency shift keying, phase-locked loop, cortical recording
- MeSH terms
- Adult, Animals, Diagnostic Techniques, Neurological, Electrodes, Implanted, Electronics, Medical, Equipment Design, Humans, Male, Neurology, Telemetry, Wireless Technology
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