Design of Wireless Links to Implanted Brain-Machine Interface Microelectronic Systems

被引：24

作者：

Bjorninen, Toni ^{[1
]}

Muller, Rikky ^{[2
]}

Ledochowitsch, Peter ^{[3
]}

Sydanheimo, Lauri ^{[1
]}

Ukkonen, Leena ^{[1
]}

Maharbiz, Michel M. ^{[3
]}

Rabaey, Jan M. ^{[2
]}

机构：

[1] Tampere Univ Technol, Dept Elect & Commun Engn, FIN-33101 Tampere, Finland

[2] Univ Calif Berkeley, Berkeley Wireless Res Ctr, Berkeley, CA 94704 USA

[3] Univ Calif Berkeley, Berkeley Sensor & Actuator Ctr, Berkeley, CA 94720 USA

来源：

IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS | 2012年 / 11卷

基金：

芬兰科学院;

关键词：

Electrocorticography (ECoG); implantable antenna; on-body antenna; thin conductor; wireless power delivery;

D O I：

10.1109/LAWP.2013.2239252

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

This letter presents a monolithic integration of an antenna with an array of neural recording electrodes on a flexible thin film. The structure was designed for long-term neural recording in a wireless brain-machine interface system. The implant-on-body antenna pair is optimized for maximal link power efficiency to maximize the battery life of a portable outside-body control unit. We provide guidelines for the design of the sub-skin-depth implant antenna and validate the antenna simulation model with wireless link measurements in air. We propose a new computational analysis of both the power and voltage delivery to the battery-free implant under design variations to guarantee efficient on-chip RF-to-dc conversion.

引用

页码：1663 / 1666

页数：4

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