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CCECE
2006
IEEE
16 years 22 days ago
Group-Optimal Linear Space-Time Multiuser Detection
Multiuser detection (MUD) techniques are known to improve the performance of CDMA cellular communication systems. This performance improvement usually comes at a large computation...
Benoit Pelletier, Benoît Champagne
GLOBECOM
2006
IEEE
16 years 22 days ago
Alamouti Space-Time Coded OFDM Systems in Time- and Frequency-Selective Channels
Abstract— We propose low-complexity equalizers for Alamouti space-time coded orthogonal frequency-division multiplexing (OFDM) systems in time- and frequency-selective channels, ...
Kun Fang, Geert Leus, Luca Rugini
HICSS
2006
IEEE
141views Biometrics» more  HICSS 2006»
16 years 21 days ago
An Ontology-Based Architecture for Knowledge Commerce
Inter-organizational knowledge networks and knowledge marketplaces have emerged in order to enable organizations to share or commercially exploit their knowledge outside narrow or...
Kostas Kafentzis, Panos Georgolios, Athanasios Bou...
ICDE
2006
IEEE
128views Database» more  ICDE 2006»
16 years 21 days ago
Searching and Ranking Documents based on Semantic Relationships
Just as the link structure of the web is a critical component in today's web search, complex relationships (i.e., the different ways the dots are connected) will be an import...
Boanerges Aleman-Meza
ICTAI
2006
IEEE
16 years 21 days ago
Hierarchical Language Models for Expert Finding in Enterprise Corpora
Enterprise corpora contain evidence of what employees work on and therefore can be used to automatically find experts on a given topic. We present a general approach for represen...
Desislava Petkova, W. Bruce Croft