Abstract
The data transmission, especially from an implant to an external unit, is a crucial issue to be solved in the remotely-powered implantable systems due to the limited power budget of the implantable system. The simplest scenario which also offers a low power consumption in the implantable system, is to use the same channel with remote powering. However, the performance of the remote powering decreases during communication. Therefore, a Figure-of-Merit (FoM) is proposed to compare the effect of the communications on the remote powering performance. The uplink data is transmitted by using a second channel to achieve reliable communication since the animal moves freely in the living cage. A low-power transmitter is implemented and a custom designed receiver is realized. For the downlink communication, the commands that are sent by the external unit are received and demodulated by a PPM demodulator.
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Kilinc, E.G., Dehollain, C., Maloberti, F. (2016). Wireless Communication. In: Remote Powering and Data Communication for Implanted Biomedical Systems. Analog Circuits and Signal Processing, vol 131. Springer, Cham. https://doi.org/10.1007/978-3-319-21179-4_4
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DOI: https://doi.org/10.1007/978-3-319-21179-4_4
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