—Ubiquitous and pervasive computing envisions context-aware systems that gather real world information from many fixed and mobile microchips and sensors integrated in everyday o...
Generally, accuracy of GPS(Global Positioning System) is higher than that of cellular network. But in tall building urban area or indoor, relatively weak GPS signal makes the posi...
Continuous logging of a person’s geographical position is required for various “life-log” applications, such as memory aids, automatic blog generation, and life pattern analy...
Abstract. In this paper we describe a new method and user interface for interactive positioning of a mobile device. The key element of this method is a questionanswer style dialogu...
— Many future ubiquitous devices will be able to determine their precise physical position using different types of localization techniques (e.g. GPS antennas for outdoor-, RFID ...