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ICASSP
2010
IEEE
13 years 8 months ago
Unidirectional graph-based wavelet transforms for efficient data gathering in sensor networks
We design lifting-based wavelet transforms for any arbitrary communication graph in a wireless sensor network (WSN). Since transmitting raw data bits along the routing trees in WS...
Sunil K. Narang, Godwin Shen, Antonio Ortega
CDC
2010
IEEE
148views Control Systems» more  CDC 2010»
13 years 5 months ago
Convergence rates of consensus algorithms in stochastic networks
Abstract-- We study the convergence rate of average consensus algorithms in networks with stochastic communication failures. We show how the system dynamics can be modeled by a dis...
Stacy Patterson, Bassam Bamieh
COLING
2010
13 years 5 months ago
Tree Topological Features for Unlexicalized Parsing
As unlexicalized parsing lacks word token information, it is important to investigate novel parsing features to improve the accuracy. This paper studies a set of tree topological ...
Samuel W. K. Chan, Lawrence Y. L. Cheung, Mickey W...
TWC
2010
13 years 4 months ago
Power allocation for F/TDMA multiuser two-way relay networks
We consider a multiuser two-way relay network where multiple pairs of users exchange information with the assistance of a relay node, using orthogonal channels per pair. For a vari...
Min Chen, Aylin Yener
ALGOSENSORS
2009
Springer
14 years 4 months ago
Near-Optimal Radio Use for Wireless Network Synchronization
In this paper we consider the model of communication where wireless devices can either switch their radios off to save energy (and hence, can neither send nor receive messages), o...
Milan Bradonjic, Eddie Kohler, Rafail Ostrovsky