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178
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TWC
2008
15 years 6 months ago
2008
Space-time block codes (STBCs) from coordinate interleaved orthogonal designs (CIODs) have attracted considerable attention lately due to their full-diversity and single-symbol dec...
159
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TWC
2008
15 years 6 months ago
2008
Propagation measurements using a large array are used to study the angle of arrival (AOA) across the ultrawideband (UWB) frequency range of 3.1 to 10.6 GHz. A two-dimensional Unita...
209
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TWC
2008
2008
On the design, selection algorithm and performance analysis of limited feedback transmit beamforming
15 years 6 months ago
Multiple-input multiple-output (MIMO) systems achieve significant diversity and array gains by using transmit beamforming. When complete channel state information (CSI) is not avai...
180
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KBS
2007
15 years 6 months ago
2007
By applying web mining tools, significant patterns about the visitor behavior can be extracted from data originated in web sites. Supported by a domain expert, the patterns are v...
186
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CCR
2004
15 years 6 months ago
2004
Peer-to-peer (P2P) networks represent an effective way to share information, since there are no central points of failure or bottleneck. However, the flip side to the distributive...