970 search results - page 80 / 194 » Algorithms for local sensor synchronization |
205
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PERCOM
2010
ACM
14 years 10 months ago
2010
ACM
In this paper, we propose an algorithm to estimate 2D shapes and positions of obstacles such as buildings using GPS and wireless communication history of mobile nodes. Our algorith...
133
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MOBICOM
2004
ACM
15 years 8 months ago
2004
ACM
A newly deployed multi-hop radio network is unstructured and lacks a reliable and efficient communication scheme. In this paper, we take a step towards analyzing the problems exis...
137
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INFOCOM
2010
IEEE
15 years 1 months ago
2010
IEEE
Abstract—We revisit the shortest path problem in asynchronous duty-cycled wireless sensor networks, which exhibit time-dependent features. We model the time-varying link cost and...
147
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RTSS
2007
IEEE
15 years 9 months ago
2007
IEEE
— With the advent of CMOS cameras, it is now possible to make compact, cheap and low-power image sensors capable of on-board image processing. These embedded vision sensors provi...
227
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SIGMOD
2006
ACM
16 years 3 months ago
2006
ACM
Monitoring extreme values (MAX or MIN) is a fundamental problem in wireless sensor networks (and in general, complex dynamic systems). This problem presents very different algorit...