4189 search results - page 437 / 838 » Security in wireless sensor networks |
165
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IJSNET
2008
15 years 6 months ago
2008
: Interference from colocated networks operating over the same frequency range, becomes an increasingly severe problem as the number of networks overlapping geographically increase...
206
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ICDCS
2007
IEEE
15 years 10 months ago
2007
IEEE
As a key approach to achieve energy efficiency in sensor networks, sensing coverage has been studied extensively. Researchers have designed many coverage protocols to provide vario...
174
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INFOCOM
2007
IEEE
16 years 1 months ago
2007
IEEE
—Duty-cycle MAC protocols have been proposed to meet the demanding energy requirements of wireless sensor networks. Although existing duty-cycle MAC protocols such as S-MAC are p...
291
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JSAC
2007
15 years 6 months ago
2007
— The large number of network nodes and the energy constraints make Wireless Sensor Networks (WSN) one of the most important application fields for Cooperative Diversity. Node c...
212
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ICWN
2003
15 years 8 months ago
2003
Abstract— We consider the problem of determining the positions of wireless nodes using range measurements from multiple, sparsely located, beacon stations with known locations. A...