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Wireless data transmission for medical implants with fully digital non-coherent detection
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Date
2021-9
Author
Doğan, Mert
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Number of people awaiting therapeutic devices and implants increase with the increase in population. Cochlear implants are one of these implants which aid patients with sensorineural hearing loss. Conventional cochlear implants consist of two distinct parts inside and outside of the ear. Communication in between these parts is conducted wirelessly. In fully implantable cochlear implants, there is no operational outside block. Hence, in order to interact with all the blocks, wireless data transfer should be used in an extensive manner. In this thesis, a bidirectional wireless data transfer system for fully implantable cochlear implants utilizing inductive coupling with Binary Phase Shift Keying is designed. In addition to system being designed to be primarily used for patient fitting application, magnetfree system can also transfer data and carrier with BERs of 3x10-3 in worst coupling conditions, bidirectionally. The patient fitting processor has less than 1 bit error for each fitting cycle. With fully digital non-coherent detection, implanted structure consumes 47.1 µW power without power amplifiers.
Subject Keywords
Binary Phase Shift Keying
,
Implantable Medical Devices
,
Wireless Data Transfer
,
Digital Demodulation
URI
https://hdl.handle.net/11511/93170
Collections
Graduate School of Natural and Applied Sciences, Thesis
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M. Doğan, “Wireless data transmission for medical implants with fully digital non-coherent detection,” M.S. - Master of Science, Middle East Technical University, 2021.
