2519 search results - page 211 / 504 » cost 2007 |
191
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ICC
2007
IEEE
16 years 28 days ago
2007
IEEE
Abstract—Carrier Frequency Offset (CFO) estimation is critical in practical orthogonal frequency-division multiplexing (OFDM) systems. In this paper, we propose two novel blind C...
200
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ICC
2007
IEEE
16 years 28 days ago
2007
IEEE
Abstract— We describe a decentralized learning-based activation algorithm for a ZigBee-enabled unattended ground sensor network. Sensor nodes learn to monitor their environment i...
155
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ICDCS
2007
IEEE
16 years 28 days ago
2007
IEEE
We consider a problem that arises during the propagation of subscriptions in a contentbased publish-subscribe system. Subscription covering is a promising optimization that reduce...
152
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ICDE
2007
IEEE
16 years 28 days ago
2007
IEEE
Existing index selection tools rely on heuristics to efficiently search within the large space of alternative solutions and to minimize the overhead of using the query optimizer ...
131
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ICDE
2007
IEEE
16 years 28 days ago
2007
IEEE
The appropriate deployment of web service operations at the service provider site plays a critical role in the efficient provision of services to clients. In this paper, we assume...