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ICASSP
2011
IEEE
14 years 1 months ago
A unified framework for GLRT-based spectrum sensing of signals with covariance matrices with known eigenvalue multiplicities
In this paper, we create a unified framework for spectrum sensing of signals which have covariance matrices with known eigenvalue multiplicities. We derive the generalized likeli...
Erik Axell, Erik G. Larsson
GLOBECOM
2009
IEEE
15 years 4 months ago
Gaussian MIMO Multi-Receiver Wiretap Channel
Abstract— We consider the Gaussian multiple-input multipleoutput (MIMO) multi-receiver wiretap channel, and derive the secrecy capacity region of this channel for the most genera...
Ersen Ekrem, Sennur Ulukus
JCT
2011
66views more  JCT 2011»
14 years 4 months ago
Enumeration of non-crossing pairings on bit strings
A non-crossing pairing on a bitstring matches 1s and 0s in a manner such that the pairing diagram is nonintersecting. By considering such pairings on arbitrary bitstrings 1n1 0m1 ....
Todd Kemp, Karl Mahlburg, Amarpreet Rattan, Cliffo...
TIT
2010
107views Education» more  TIT 2010»
14 years 4 months ago
Information inequalities for joint distributions, with interpretations and applications
Upper and lower bounds are obtained for the joint entropy of a collection of random variables in terms of an arbitrary collection of subset joint entropies. These inequalities gene...
Mokshay M. Madiman, Prasad Tetali
WWW
2008
ACM
15 years 10 months ago
Gsp-exr: gsp protocol with an exclusive right for keyword auctions
We propose a keyword auction protocol called the Generalized Second Price with an Exclusive Right (GSP-ExR). In existing keyword auctions, the number of displayed advertisements i...
Yuko Sakurai, Atsushi Iwasaki, Yasumasa Saito, Mak...