On-body UWB Communications for Health Monitoring

On-body UWB Communications for Health Monitoring

Qiong Wang (Dresden University of Technology, Germany) and Jianqing Wang (Nagoya Institute of Technology, Japan)
Copyright: © 2012 |Pages: 23
DOI: 10.4018/978-1-4666-0975-4.ch006


Body area communication technique is an essential technical support for medical and healthcare services. This chapter presents on-body communication aspects using ultra-wide band (UWB) technique for neonates and infants monitoring service. With numerical analysis tool, the transmission characteristic around the infant body is first investigated in terms of on-body UWB path loss model, in which shadow fading around the body is modeled. Then the communication performance for impulse radio (IR) scheme system is evaluated based on the derived infant on-body UWB path loss model. The methodology for evaluating the average bit error rate (BER) in a shadow fading channel is proposed. The communication link budget for infants is thus presented based on the average bit error rate conclusions in infant on-body UWB fading channel.
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As an emerging technology, BAN has caught significant attention in recent years (Astrin et al., 2009; Kohno, et al., 2008). A working group for medical body area network IEEE 802.15.6 was established under IEEE 802.15 in November 2007 and the standardization is now under the way (Li, 2009). The objective of 15.6 is to define new physical and media access control layers for wireless BAN (WBAN). Main focus of IEEE802.15.6 is laid on medical healthcare applications. (Kohno et al., 2008) introduces a progress of research and development of BAN standardization in IEEE 802.15.6 in a field of medical information communication technology. The progress of the IEEE 802.15.6 standardization covers a number of issues like frequency regulations, human safety, specific absorption rate (SAR), low power radio requirement, high quality of service and low latency as well as PHY layer discussion for wearable BAN and implant BAN. Moreover, a simple prototype of wearable BAN has been given to address the issues of modulation scheme and possible data rate.

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