3422 search results - page 223 / 685 » Random Subset Optimization |
211
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JSAC
2008
15 years 6 months ago
2008
We consider opportunistic spectrum access (OSA) strategies for a transmitter in a multichannel wireless system, where a channel may or may not be available and the transmitter must...
187
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JSAC
2007
15 years 6 months ago
2007
— Channel state information (CSI) is important for achieving large rates in MIMO channels. However, in timevarying MIMO channels, there is a tradeoff between the time/energy spen...
167
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PVLDB
2010
15 years 4 months ago
2010
The dramatic proliferation of sophisticated networks has resulted in a growing need for supporting effective querying and mining methods over such large-scale graph-structured da...
159
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TMC
2010
15 years 4 months ago
2010
—We consider a wireless base station serving L users through L time-varying channels. It is well known that opportunistic scheduling algorithms with full channel state informatio...
182
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EDBT
2011
ACM
14 years 10 months ago
2011
ACM
Continuous top-k queries, which report a certain number (k) of top preferred objects from data streams, are important for a broad class of real-time applications, ranging from fi...