RF-link for cortical neuroprosthesis

Author

Gerald, José A B ; Tavares, Gaoçalo ; Piedade, Moisés S. ; Varela, Elísio ; Ribeiro, Ricardo

Author_Institution

Dept. of Electr. & Comput. Eng., Inst. Superior Tecnico, Lisboa, Portugal

fYear

2005

fDate

23-26 May 2005

Firstpage

2739

Abstract

This paper describes an RF-link system suitable for intracortical neuroprosthesis. The wireless coupling minimizes the risk of infection and improves the patient health level. Data and power are transmitted by means of an RF low-coupling transformer. Binary FSK modulation is used in the forward link (from outside to implanted prosthesis) and BPSK is used in the backward link (implanted prosthesis to outside). Experimental results are presented, and important concerns regarding the magnetic coupling are addressed.

Keywords

coupled circuits; frequency shift keying; high-frequency transformers; neurophysiology; phase shift keying; prosthetics; radio links; 1 MHz; 1 to 2 cm; 100 kbit/s; 35 percent; 50 mW; BPSK; RF low-coupling transformer; RF-link system; binary FSK modulation; implanted prosthesis; infection risk minimization; intracortical neuroprosthesis; magnetic coupling; wireless coupling; Clocks; Couplings; Demodulation; Electrodes; Frequency shift keying; Power amplifiers; Power engineering computing; Prosthetics; Radio frequency; Radiofrequency amplifiers;

fLanguage

English

Publisher

ieee

Conference_Titel

Circuits and Systems, 2005. ISCAS 2005. IEEE International Symposium on

Print_ISBN

0-7803-8834-8

Type

conf

DOI

10.1109/ISCAS.2005.1465193

Filename

1465193