Zito D, Pepe D, Mincica M, Zito F, De Rossi D, Lanata A, Scilingo E P, Tognetti A
Radio-frequency and Microwave Integrated Circuits Laboratory (RFLab), Department of Information Engineering (DIIEIT), University of Pisa, 56122 Italy.
Annu Int Conf IEEE Eng Med Biol Soc. 2008;2008:5274-7. doi: 10.1109/IEMBS.2008.4650404.
The present status of the project aimed at the realization of an innovative wearable system-on-chip UWB radar for the cardiopulmonary monitoring is presented. The overall system consists of a wearable wireless interface including a fully integrated UWB radar for the detection of the heart beat and breath rates, and a IEEE 802.15.4 ZigBee low-power radio interface. The principle of operation of the UWB radar for the monitoring of the heart wall is summarized. With respect to the prior art, this paper reports the results of the experimental characterization of the intra-body channel loss, which has been carried out successfully in order to validate the theoretical model employed for the radar system analysis. Moreover, the main building blocks of the radar have been manufactured in 90 nm CMOS technology by ST-Microelectronics and the relevant performance are resulted in excellent agreement with those expected by post-layout simulations.
介绍了旨在实现用于心肺监测的创新型可穿戴片上系统超宽带雷达项目的现状。整个系统包括一个可穿戴无线接口，该接口包含用于检测心跳和呼吸频率的完全集成超宽带雷达，以及一个IEEE 802.15.4 ZigBee低功耗无线电接口。总结了用于监测心脏壁的超宽带雷达的工作原理。相对于现有技术，本文报告了体内信道损耗的实验表征结果，该实验已成功进行，以验证用于雷达系统分析的理论模型。此外，雷达的主要构建模块已由意法半导体采用90纳米CMOS技术制造，相关性能与布局后模拟预期的性能非常吻合。
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