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ICC
2007
IEEE
146views Communications» more  ICC 2007»
15 years 10 months ago
BER of MIMO-OFDM Systems with Carrier Frequency Offset and Channel Estimation Errors
Abstract-- Performance analysis of Multiple-input Multipleoutput (MIMO) Orthogonal Frequency-Division Multiplexing (OFDM) systems with carrier frequency offset and channel estimati...
Zhongshan Zhang, Wei Zhang, Chintha Tellambura
MSV
2008
15 years 8 months ago
Viewer Perception of Superellipsoid-based Accelerometer Visualization Techniques
Viewer perceptions of superellipsoid-based glyphs representing trend analysis of tri-axial accelerometer data are studied in this paper. A trend analysis and its mapping to the sup...
Brian J. d'Auriol, Tuyen Nguyen, Thuy Pham, Sungyo...
APPML
2002
76views more  APPML 2002»
15 years 6 months ago
Proper gromov transforms of metrics are metrics
In phylogenetic analysis, a standard problem is to approximate a given metric by an additive metric. Here it is shown that, given a metric D defined on some finite set X and a non...
Andreas W. M. Dress
ICDE
2005
IEEE
102views Database» more  ICDE 2005»
16 years 8 months ago
Modeling and Managing Content Changes in Text Databases
Large amounts of (often valuable) information are stored in web-accessible text databases. "Metasearchers" provide unified interfaces to query multiple such databases at...
Panagiotis G. Ipeirotis, Alexandros Ntoulas, Jungh...
ICDE
2005
IEEE
131views Database» more  ICDE 2005»
16 years 8 months ago
Improving Preemptive Prioritization via Statistical Characterization of OLTP Locking
OLTP and transactional workloads are increasingly common in computer systems, ranging from ecommerce to warehousing to inventory management. It is valuable to provide priority sch...
David T. McWherter, Bianca Schroeder, Anastassia A...