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» Gossip Algorithms for Distributed Signal Processing
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CORR
2008
Springer
189views Education» more  CORR 2008»
13 years 8 months ago
Algorithms for Dynamic Spectrum Access with Learning for Cognitive Radio
We study the problem of dynamic spectrum sensing and access in cognitive radio systems as a partially observed Markov decision process (POMDP). A group of cognitive users cooperati...
Jayakrishnan Unnikrishnan, Venugopal V. Veeravalli
ICASSP
2011
IEEE
12 years 11 months ago
Optimal wireless networks based on local channel state information
We consider distributed algorithms to optimize random access multihop wireless networks in the presence of fading. Since the associated optimization problem is neither convex nor ...
Yichuan Hu, Alejandro Ribeiro
ICASSP
2008
IEEE
14 years 2 months ago
Optimized distributed 2D transforms for irregularly sampled sensor network grids using wavelet lifting
We address the design and optimization of an energy-efficient lifting-based 2D transform for wireless sensor networks with irregular spatial sampling. The 2D transform is designe...
Godwin Shen, Antonio Ortega
ICASSP
2008
IEEE
14 years 2 months ago
Distributed average consensus in sensor networks with quantized inter-sensor communication
— The paper studies distributed average consensus in sensor networks, when the sensors exchange quantized data at each time step. We show that randomizing the exchanged sensor da...
Soummya Kar, José M. F. Moura
ICIP
2006
IEEE
14 years 9 months ago
Image Reconstruction using the Benford Law
It has been claimed that the first digit of real signals follows a logarithmic distribution, called Benford law. This paper shows that this distribution is a natural prior for the...
João M. Sanches, Jorge S. Marques