25218 search results - page 4893 / 5044 » A Logic-Based Information System |
161
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DEXAW
2008
IEEE
16 years 27 days ago
2008
IEEE
— One of the critical issues in search engines is the size of search indexes: as the number of documents handled by an engine increases, the search must preserve its efficiency,...
159
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GLOBECOM
2008
IEEE
16 years 27 days ago
2008
IEEE
This paper proposes a decentralized adaptive soft frequency reuse scheme for the uplink of a 4G long-term evolution (LTE) system. While universal frequencies reuse (UFR) is being ...
189
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GLOBECOM
2008
IEEE
16 years 27 days ago
2008
IEEE
In this paper, we propose a novel hybrid QRD-MCMC MIMO detector that combines the feature of a QRD-M detector and a Markov chain Monte Carlo (MCMC) detector. The QRD-M algorithm i...
157
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HICSS
2008
IEEE
16 years 27 days ago
2008
IEEE
In recent years, instant messaging (IM) has become a popular medium of online communication. While IM is expanding into the enterprise beyond personal use, it brings the convenien...
163
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ICC
2008
IEEE
16 years 27 days ago
2008
IEEE
— Accurate simulation and analysis of wireless protocols and systems is inherently dependent on an accurate model of the underlying channel. In this paper, we show that residual ...