34170 search results - page 6150 / 6834 » Optimization |
202
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TWC
2010
15 years 2 months ago
2010
Abstract--We propose a cognitive radio system in fading environments where the secondary sender opportunistically violates the secondary-to-primary (S-P) interference power limit. ...
291
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TWC
2010
15 years 2 months ago
2010
We investigate the impact of mobile node density on several detection performance measures for stationary target detection by a hybrid sensor network consisting of both static and ...
263
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TWC
2010
15 years 2 months ago
2010
The performance of multiple-input multiple-output (MIMO) systems using spatial multiplexing is analyzed under channel prediction errors. We derive exact closed-form expressions for...
214
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TWC
2010
15 years 2 months ago
2010
Abstract--Frequency hopping (FH) has been the most popularly considered approach for alleviating the effects of jamming attacks. We re-examine, the efficacy of FH based on both exp...
244
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VC
2010
15 years 2 months ago
2010
This paper presents a novel concept: a graphical representation of human emotion extracted from text sentences. The major contributions of this paper are the following. First, we p...