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» The complexity of approximating entropy
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ICC
2007
IEEE
107views Communications» more  ICC 2007»
16 years 29 days ago
MLSE for DSTBC-OFDM Detection with Channel Estimation by Blind Linear Prediction and Subcarriers Interpolation
— This paper proposes low-complexity blind detection for orthogonal frequency division multiplexing (OFDM) systems with the differential space-time block code (DSTBC) under time-...
Seree Wanichpakdeedecha, Kazuhiko Fukawa, Hiroshi ...
VTC
2007
IEEE
154views Communications» more  VTC 2007»
16 years 27 days ago
An Improved Peak-to-Average Power Ratio Estimation Scheme for OFDM Systems
—To approximate the exact peaks of continuous-time orthogonal frequency division multiplexing (OFDM) signals, four times oversampling is usually employed for discrete-time OFDM s...
Chin-Liang Wang, Sheng-Ju Ku, Chun-Ju Yang
EDBT
2009
ACM
100views Database» more  EDBT 2009»
15 years 11 months ago
A view selection algorithm with performance guarantee
A view selection algorithm takes as input a fact table and computes a set of views to store in order to speed up queries. The performance of view selection algorithm is usually me...
Nicolas Hanusse, Sofian Maabout, Radu Tofan
WAE
1998
118views Algorithms» more  WAE 1998»
15 years 8 months ago
Guarding Scenes against Invasive Hypercubes
In recent years realistic input models for geometric algorithms have been studied. The most important models introduced are fatness, low density, unclutteredness, and small simple...
Mark de Berg, Haggai David, Matthew J. Katz, Mark ...
JAIR
2008
120views more  JAIR 2008»
15 years 6 months ago
Anytime Induction of Low-cost, Low-error Classifiers: a Sampling-based Approach
Machine learning techniques are gaining prevalence in the production of a wide range of classifiers for complex real-world applications with nonuniform testing and misclassificati...
Saher Esmeir, Shaul Markovitch