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ICC
2007
IEEE
149views Communications» more  ICC 2007»
15 years 11 months ago
Synchronization Signal Design for OFDM Based On Time-Frequency Hopping Patterns
— In an OFDM system, channel estimation can be considered as sampling the time-frequency response of the channel through a number of known pilot symbols placed across the time-fr...
Jiann-Ching Guey
CADUI
2004
15 years 6 months ago
Dialogue-Based Design of Web Usability Questionnaires Using Ontologies
Abstract Questionnaires are nowadays widely used usability evaluation instruments, and several generic usability questionnaires are available. But these generic artifacts are not a...
Elena García Barriocanal, Miguel Áng...
AUTOMATICA
2004
147views more  AUTOMATICA 2004»
15 years 4 months ago
Interval analysis and dioid: application to robust controller design for timed event graphs
This paper deals with feedback controller synthesis for timed event graphs in dioids, where the number of initial tokens and time delays are only known to belong to intervals. We ...
Mehdi Lhommeau, Laurent Hardouin, Bertrand Cottenc...
133
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EWCBR
2004
Springer
15 years 10 months ago
Maintaining Case-Based Reasoning Systems: A Machine Learning Approach
Over the years, many successful applications of case-based reasoning (CBR) systems have been developed in different areas. The performance of CBR systems depends on several factor...
Niloofar Arshadi, Igor Jurisica
GLOBECOM
2010
IEEE
15 years 2 months ago
Constructing Secure Localization Systems with Adjustable Granularity Using Commodity Hardware
Proof of a user's identity is not always a sufficient means for making an authorization decision. In an increasing set of circumstances, knowledge of physical location provide...
Patrick Traynor, Joshua Schiffman, Thomas F. La Po...