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GLOBECOM
2007
IEEE
15 years 8 months ago
MIMO-OFDM Channel Estimation in Presence of Carrier Frequency Offsets
— Optimal pilot design and placement for channel estimation in Multiple-input Multiple-output (MIMO) Orthogonal Frequency-Division Multiplexing (OFDM) systems in the presence of ...
Zhongshan Zhang, Wei Zhang, Chintha Tellambura
SIGIR
2006
ACM
15 years 7 months ago
Improving the estimation of relevance models using large external corpora
Information retrieval algorithms leverage various collection statistics to improve performance. Because these statistics are often computed on a relatively small evaluation corpus...
Fernando Diaz, Donald Metzler
MCS
2002
Springer
15 years 1 months ago
New Measure of Classifier Dependency in Multiple Classifier Systems
Abstract. Recent findings in the domain of combining classifiers provide a surprising revision of the usefulness of diversity for modelling combined performance. Although there is ...
Dymitr Ruta, Bogdan Gabrys
COR
2008
129views more  COR 2008»
15 years 1 months ago
Queues in DOCSIS cable modem networks
In this paper we determine the optimal fraction c of the uplink channel capacity that should be dedicated to the contention channel in a DOCSIS cable network in order to minimize ...
Joke Lambert, Benny Van Houdt, Chris Blondia
HVEI
2009
14 years 11 months ago
Model validation of channel zapping quality
In an earlier paper we showed, that perceived quality of channel zapping is related to the perceived quality of download time of web browsing, as suggested by ITU-T Rec.G.1030. We...
Robert E. Kooij, Floris Nicolai, Ahmed Kamal, Kjel...