A low power wireless breathing monitoring system using piezoelectric transducer

The paper presents a continuous breathing pattern monitoring system using a piezoelectric transducer and low power CMOS integrated circuit. The system is compatible for being used as a wearable device around the chest using a belt. The piezoelectric sensor is a ferroelectric polymer which is a biocompatible material. The rest of the integrated circuit is designed using a standard 130 nm CMOS process. The smaller footprint, wireless interface, low-cost and inconvenience-free design features of the proposed system makes it an attractive alternative to conventional methods for continuous breathing pattern monitoring.