8933 search results - page 42 / 1787 » Usability over time |
190
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ICC
2007
IEEE
15 years 7 months ago
2007
IEEE
— In this paper, we consider the time-slotted ALOHA packetized multiple-access system where the transmission channels obey i.i.d (independent identically distributed) Rayleigh fa...
180
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ICCV
2003
IEEE
16 years 7 months ago
2003
IEEE
This paper presents a new approach to imaging that significantly enhances the dynamic range of a camera. The key idea is to adapt the exposure of each pixel on the image detector,...
192
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VTC
2008
IEEE
16 years 6 days ago
2008
IEEE
— This paper presents a novel amalgam of Steered Space-Time Spreading (SSTS) and Orthogonal Frequency Division Multiple Access (OFDMA) designed for attaining both spatial diversi...
149
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BMCBI
2007
15 years 6 months ago
2007
Background: An indirect approach is usually used to estimate the metabolic fluxes of an organism: couple the available measurements with known biological constraints (e.g. stoichi...
197
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MONET
2006
15 years 5 months ago
2006
The radio frequency spectrum is a naturally limited resource of extraordinary value, as the key to the provision of important communication and information services. Traditionally,...