17329 search results - page 3251 / 3466 » Improved non-approximability results |
160
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HICSS
2007
IEEE
16 years 26 days ago
2007
IEEE
Using multiple lenses of strategic choice theories (diffusion of innovation, organizational innovativeness) and institutional theory as the basis and reflecting data from semi-str...
196
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ICASSP
2007
IEEE
16 years 26 days ago
2007
IEEE
Many content-based image retrieval applications suffer from small sample set and high dimensionality problems. Relevance feedback is often used to alleviate those problems. In thi...
139
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ICC
2007
IEEE
16 years 26 days ago
2007
IEEE
— We propose an improved channel estimator for reuse-1 orthogonal frequency division multiplexing (OFDM) cellular systems1 . The proposed channel estimation technique exploits de...
175
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ICC
2007
IEEE
16 years 26 days ago
2007
IEEE
— CDMA 1x Ev-DO is an evolution of the CDMA2000 3G wireless standard to enable high rate packet data services up to 2.4Mbps in Rev 0, 3.1Mbps in Rev A, and 4.9Mbps in Rev B. To s...
183
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ICC
2007
IEEE
16 years 26 days ago
2007
IEEE
— – Major research challenges in the next generation of wireless networks include the provisioning of worldwide seamless mobility across heterogeneous wireless networks, the im...