NDLI: A Configurable Low Power Mixed Signal for Portable Ecg Monitoring System

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A Configurable Low Power Mixed Signal for Portable Ecg Monitoring System

Content Provider	Semantic Scholar
Copyright Year	2015
Abstract	ECG works mostly by detecting and amplifying the tiny potential changes on the hand that are caused when the electrical signal in the heart muscle is charged and spread during each heart beat. This is detected as tiny rises and falls in the voltage between two electrodes placed either side of the heart or other body part like hand. At the stage of continuously measure the heart beat or a pulse rate the graph is given it is in the form of analog one and with that it will much fluctuate the actual reading of ECG can't get correctly.much variation in the graph are followed, the power requied to that system is also variable. The AFE supports concurrent 3-channel ECG monitoring, with impedance measurement and band-power extraction. The custom digital signal processor consisting of a 4-way SIMD processor provides configurability for a wide range of application and advanced functionality like motion artifact removal, accurate R peak detection algorithm, arrhythmia classification and HRV analysis. Various algorithms are possible, allowing different powerperformance trade-offs depending on the application requirements. An adaptive sampling ADC significantly reduces the equivalent data-rate of the ADC output without affecting the information content of the input signal, leading to a reduction of data memory access and processing complexity in the DSP domain. The loop buffer integration enables reduction in the access power of the program memory. The SoC has been integrated in a wireless ECG monitoring system with Bluetooth protocol. Thanks to the advanced features of the SoC like adaptive sampling and local processing, which includes motion artifact removal and accurate R peak detection, the monitoring system can reduce the overall power consumption by factor of 20 compare to a generic system without local processing. This allows to long-term and continuous high integrity signal monitoring and also reduces the system formfactor.
File Format	PDF HTM / HTML
Alternate Webpage(s)	http://www.ijraet.com/pdf17/49.pdf
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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