定位技术背景(Location-aware technology) The proliferation of wireless and mobile devices has fostered the demand for context-aware applications,in which location is viewed as one of the most significant contexts. - pervasive medical care 一 smart space 一 goods transportation,inventory,and warehousing定位技术背景(Location-aware technology) • The proliferation of wireless and mobile devices has fostered the demand for context-aware applications, in which location is viewed as one of the most significant contexts. – pervasive medical care – smart space – goods transportation, inventory, and warehousing