采用4-FSK调制方案的皮质神经记录植入物无线接口

2015 IEEE International Conference on Electronics, Circuits, and Systems (ICECS) Pub Date : 2015-12-01 DOI:10.1109/ICECS.2015.7440288

M. Sendi, Mohsen Judy, H. Molaei, A. M. Sodagar, M. Sharifkhani

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引用次数: 2

摘要

本文采用4级频移键控(4-FSK)调制方案，增强可植入生物医学微系统向外界无线传输数据的密度。在神经记录植入体的情况下，对4-FSK调制的无线信道进行了建模和仿真。为了实现4-FSK方案，在0.18 μm CMOS工艺下，在174 ~ 216 MHz频段以13.5 Mbps的数据速率提出、设计并仿真了调制器和解调电路。在1.8 V电源电压下工作，调制电路功耗为7.8 μW。

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Wireless interfacing to cortical neural recording implants using 4-FSK modulation scheme

This paper used a 4-level Frequency Shift Keying (4-FSK) modulation scheme to enhance the density of wireless data transfer from implantable biomedical microsystems to the outside world. Modeling and simulation of the wireless channel for 4-FSK modulation in the case of a neural recording implant has been done. To realize the 4-FSK scheme, the modulator and demodulator circuits are proposed, designed and simulated in a 0.18-μm CMOS process, and in the 174-216 MHz frequency band at a data rate of 13.5 Mbps. Operated using a 1.8 V supply voltage, the modulator circuit consumes a power of 7.8 μW.

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2015 IEEE International Conference on Electronics, Circuits, and Systems (ICECS)

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