2571 search results - page 244 / 515 » Approximation schemes for wireless networks |
207
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INFOCOM
2010
IEEE
15 years 4 months ago
2010
IEEE
We address the problem of efficiently gathering correlated data from a wireless sensor network, with the aim of designing algorithms with provable optimality guarantees, and unders...
188
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INFOCOM
2007
IEEE
16 years 1 months ago
2007
IEEE
— Power efficient operation is very critical in energy constrained multi-hop wireless networks. One important technique is to intelligently assign transmission powers to nodes w...
226
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ISPA
2007
Springer
16 years 26 days ago
2007
Springer
—Recently, wireless sensor networks have been proposed for assisted living and residential monitoring. In such networks, physiological sensors are used to monitor vital signs e.g...
160
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PIMRC
2008
IEEE
16 years 1 months ago
2008
IEEE
— We derive two new energy efficient reliable data transport protocols for overcoming the negative impact of asymmetric radio links in wireless sensor networks. The energy effici...
142
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VTC
2008
IEEE
16 years 1 months ago
2008
IEEE
Abstract: In this paper, we consider a two-way or bidirectional communications system with a relay equipped with multiple antennas. We show that when the downlink channel state inf...