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» The Expressive Power of Synchronizations
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ECCC
2011
223views ECommerce» more  ECCC 2011»
13 years 4 months ago
A Case of Depth-3 Identity Testing, Sparse Factorization and Duality
Polynomial identity testing (PIT) problem is known to be challenging even for constant depth arithmetic circuits. In this work, we study the complexity of two special but natural ...
Chandan Saha, Ramprasad Saptharishi, Nitin Saxena
TIT
2010
110views Education» more  TIT 2010»
13 years 4 months ago
Error rates of the maximum-likelihood detector for arbitrary constellations: convex/concave behavior and applications
Motivated by a recent surge of interest in convex optimization techniques, convexity/concavity properties of error rates of the maximum likelihood detector operating in the AWGN ch...
Sergey Loyka, Victoria Kostina, François Ga...
TIT
2010
163views Education» more  TIT 2010»
13 years 4 months ago
Power-controlled feedback and training for two-way MIMO channels
Most communication systems use some form of feedback, often related to channel state information. The common models used in analyses either assume perfect channel state information...
Vaneet Aggarwal, Ashutosh Sabharwal
BMCBI
2011
13 years 4 months ago
The PathOlogist: An Automated Tool for Pathway-Centric Analysis
Background: The PathOlogist is a new tool designed to transform large sets of gene expression data into quantitative descriptors of pathway-level behavior. The tool aims to provid...
Sharon I. Greenblum, Sol Efroni, Carl F. Schaefer,...
CORR
2011
Springer
206views Education» more  CORR 2011»
13 years 1 months ago
Modeling and Analysis of K-Tier Downlink Heterogeneous Cellular Networks
Cellular networks are in a major transition from a carefully planned set of large tower-mounted basestations (BSs) to an irregular deployment of heterogeneous infrastructure eleme...
Harpreet S. Dhillon, Radha Krishna Ganti, Fran&cce...