603 search results - page 31 / 121 » Position location by time reversal in communication networks |
132
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GLOBECOM
2010
IEEE
14 years 12 months ago
2010
IEEE
Proof of a user's identity is not always a sufficient means for making an authorization decision. In an increasing set of circumstances, knowledge of physical location provide...
173
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ICC
2007
IEEE
15 years 8 months ago
2007
IEEE
—This paper addresses context issues in pervasive mobile computing and presents a semantic context model to support location based cooperative mobile applications. In this paper,...
136
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GLOBECOM
2010
IEEE
14 years 12 months ago
2010
IEEE
In this paper we explore the mobility of a mobile sink in a wireless sensor network (WSN) to prolong the network lifetime. Since the mechanical movement of mobile sink is driven by...
109
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GLOBECOM
2007
IEEE
15 years 8 months ago
2007
IEEE
— We consider a network of spatially distributed sensors deployed to track the intensity of a diffusing source whose location is fixed, but unknown. The sensors make discrete ti...
118
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CORR
2010
Springer
15 years 2 months ago
2010
Springer
We consider a dynamic vehicle routing problem in wireless networks where messages arriving randomly in time and space are collected by a mobile receiver (vehicle or a collector). ...