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TSP
2010
14 years 9 months ago
Channel estimation in wireless OFDM systems with irregular pilot distribution
Abstract--This paper addresses pilot-assisted channel estimation for wireless orthogonal frequency division multiplexing (OFDM) systems with irregular pilot arrangements. Using non...
Peter Fertl, Gerald Matz
WD
2010
14 years 9 months ago
Urban-X: Towards distributed channel assignment in cognitive multi-radio mesh networks
Researches about multi-radio mesh networks have mostly focused on channel allocation under internal interference. However, the deployment of WMNs in unlicensed bands of dense urban...
Wooseong Kim, Andreas J. Kassler, Marco Di Felice,...
COMPUTING
2002
80views more  COMPUTING 2002»
15 years 3 months ago
A Method for Approximate Inversion of the Hyperbolic CDF
It has been observed by E. Eberlein and U. Keller that the hyperbolic distribution fits logarithmic rates of returns of a stock much better than the normal distribution. We give a...
Gunther Leobacher, Friedrich Pillichshammer
BIOSYSTEMS
2007
72views more  BIOSYSTEMS 2007»
15 years 3 months ago
Parameter-free testing of the shape of a probability distribution
The Kolmogorov–Smirnov test determines the consistency of empirical data with a particular probability distribution. Often, parameters in the distribution are unknown, and have ...
M. Broom, P. Nouvellet, J. P. Bacon, D. Waxman
JOIN
2007
96views more  JOIN 2007»
15 years 3 months ago
Universal Routing and Performance Assurance for Distributed Networks
In this paper, we show that universal routing can be achieved with low overhead in distributed networks. The validity of our results rests on a new network called the fat-stack. W...
Kevin F. Chen, Edwin Hsing-Mean Sha