A Bidirectional Wireless Link for Neural Prostheses that Minimizes Implanted Power Consumption

S. Mandal, R. Sarpeshkar
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引用次数: 18

Abstract

We describe a bidirectional impedance-modulation wireless data link for implanted neural prostheses. The link uses near-field inductive coupling between the implanted system and an external transceiver. It is designed to minimize power consumption in the implanted system and support high data rates in the uplink direction (from the implanted to the external system). Experimental results demonstrate data transfer rates up to 5.8 Mbps in the uplink direction and 300 kbps in the downlink direction at a link distance of 2 cm. The link dissipates 100 muW in the implanted system and 2.5 mW in the external system, making it among the most power-efficient inductive data links reported.
一种用于神经假体的双向无线链路,可将植入的能量消耗降至最低
我们描述了一种用于植入式神经假体的双向阻抗调制无线数据链路。该链路在植入系统和外部收发器之间使用近场感应耦合。它的设计是为了最小化植入系统的功耗,并支持上行方向(从植入到外部系统)的高数据速率。实验结果表明,在2 cm的链路距离下,上行方向的数据传输速率可达5.8 Mbps,下行方向的数据传输速率可达300 kbps。该链路在植入系统中耗散100毫瓦,在外部系统中耗散2.5毫瓦,使其成为报告中最节能的感应数据链路之一。
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