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CdSnO3 nanopowder was prepared by chemical coprecipitation method using ammonia as precipitator and was characterized by powder X-ray diffraction (XRD) and transmission electron microscopy (TEM) methods. The gas sensing properties of Pure and Au doped CdSnO3 sensor to mustard was studied and the sensitivity to mustard and to NH3, methanol, acetone, hexane, trichloromethane, (CH3)2SO and DMMP was compared...
Body area network (BAN) has been attracting more and more attentions, especially since BAN standardization was formally started by IEEE 802 in 2008. By enabling reliable wireless connection within body area, BAN is expected to provide an efficient way to lower disease occurrence rate and reduce medical expenditure when combining with various vital signal sensors deployed on human body. In this paper,...
Wireless body area network (WBAN) solution is an emerging technology to resolve the small area connection issues around human body, especially for the medical applications. Based on the integrated superframe structure of IEEE 802.15.4, this paper proposes a modified medium access control (MAC) protocol for WBAN with focus on the simplicity, dependability and power efficiency. Considering the support...
We describe an experimental system that combines a wireless body area network (WBAN) with satellite communication links to enable remote medical treatment and healthcare services. One main advantage of WBAN is that it enables automatic biosignal collection in real time which is essential in medical treatment and healthcare vigilance. The WBAN is implemented using ultra-wideband technology. Multi-hop...
Body Area Network (BAN) is considered as a promising technology in supporting medical and healthcare services by combining with various biological sensors. In this paper, we look at wearable BAN, which provides communication links among sensors on body surface. In order to design a BAN that manages biologic information with high efficiency and high reliability, the propagation characteristics of BAN...
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