Ubiquitous health monitoring system for multiple users using a ZigBee and WLAN dual-network

Telemedicine Journal and E-health : the Official Journal of the American Telemedicine Association
Yong Dae Cha, Gilwon Yoon

Abstract

A ubiquitous health monitoring system for multiple users was developed based on a ZigBee and wireless local area network (WLAN) dual-network. A compact biosignal monitoring unit (BMU) for measuring electrocardiogram (ECG), photoplethysmogram (PPG), and temperature was also developed. A single 8-bit microcontroller operated the BMU including most of digital filtering and wireless communication. The BMU with its case was reduced to 55 x 35 x 15 mm and 33 g. In routine use, vital signs of 6 bytes/sec (heart rate, temperature, pulse transit time) per each user were transmitted through a ZigBee module even though all the real-time data were recorded in a secure digital memory of the BMU. In an emergency or when need arises, a channel of a particular user was switched to another ZigBee module, called the emergency module, that sent all ECG and PPG waveforms in real time. Each emergency ZigBee module handled up to a few users. Data from multiple users were wirelessly received by the ZigBee receiver modules in a controller called ZigBee-WLAN gateway, where the ZigBee modules were connected to a WLAN module. This WLAN module sent all data wirelessly to a monitoring center. Operating the dual modes of ZigBee/WLAN utilized an advantage of...Continue Reading

References

Jun 26, 1998·Journal of Telemedicine and Telecare·R H IstepanianP A Balos
Jul 2, 2003·IEEE Transactions on Information Technology in Biomedicine : a Publication of the IEEE Engineering in Medicine and Biology Society·Kevin Hung, Yuan-Ting Zhang
Dec 24, 2004·IEEE Transactions on Information Technology in Biomedicine : a Publication of the IEEE Engineering in Medicine and Biology Society·Yuan-Hsiang LinGwo-Jen Jan
Mar 25, 2005·IEEE Transactions on Information Technology in Biomedicine : a Publication of the IEEE Engineering in Medicine and Biology Society·Carlos H SalvadorJosé Luis Monteagudo
Aug 25, 2009·Journal of Medical Systems·Youngzoon YoonGilwon Yoon

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Citations

Oct 12, 2010·Telemedicine Journal and E-health : the Official Journal of the American Telemedicine Association·Jui-Chien HsiehChung-Chi Yang
Oct 16, 2012·Telemedicine Journal and E-health : the Official Journal of the American Telemedicine Association·Yong-Gyu LeeGilwon Yoon
Dec 30, 2020·International Journal of Environmental Research and Public Health·Valentina NinoBrendan Bellows

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