Gossip algorithms for distributed signal processing

AG Dimakis, S Kar, JMF Moura… - Proceedings of the …, 2010 - ieeexplore.ieee.org
Gossip algorithms are attractive for in-network processing in sensor networks because they
do not require any specialized routing, there is no bottleneck or single point of failure, and …

Diffusion strategies outperform consensus strategies for distributed estimation over adaptive networks

SY Tu, AH Sayed - IEEE Transactions on Signal Processing, 2012 - ieeexplore.ieee.org
Adaptive networks consist of a collection of nodes with adaptation and learning abilities. The
nodes interact with each other on a local level and diffuse information across the network to …

Distributed parameter estimation in sensor networks: Nonlinear observation models and imperfect communication

S Kar, JMF Moura, K Ramanan - IEEE Transactions on …, 2012 - ieeexplore.ieee.org
The paper studies distributed static parameter (vector) estimation in sensor networks with
nonlinear observation models and noisy intersensor communication. It introduces separably …

Convergence rate analysis of distributed gossip (linear parameter) estimation: Fundamental limits and tradeoffs

S Kar, JMF Moura - IEEE Journal of Selected Topics in Signal …, 2011 - ieeexplore.ieee.org
This paper considers gossip distributed estimation of a (static) distributed random field (aka,
large-scale unknown parameter vector) observed by sparsely interconnected sensors, each …

Diffusion adaptation over networks under imperfect information exchange and non-stationary data

X Zhao, SY Tu, AH Sayed - IEEE Transactions on Signal …, 2012 - ieeexplore.ieee.org
Adaptive networks rely on in-network and collaborative processing among distributed
agents to deliver enhanced performance in estimation and inference tasks. Information is …

Fast consensus by the alternating direction multipliers method

T Erseghe, D Zennaro, E Dall'Anese… - IEEE Transactions on …, 2011 - ieeexplore.ieee.org
The alternating direction multipliers method (ADMM) has been recently proposed as a
practical and efficient algorithm for distributed computing. We discuss its applicability to the …

Asynchronous adaptation and learning over networks—Part I: Modeling and stability analysis

X Zhao, AH Sayed - IEEE Transactions on Signal Processing, 2014 - ieeexplore.ieee.org
In this work and the supporting Parts II and III of this paper, also in the current issue, we
provide a rather detailed analysis of the stability and performance of asynchronous …

Distributed detection via Gaussian running consensus: Large deviations asymptotic analysis

D Bajovic, J Xavier, B Sinopoli… - IEEE Transactions on …, 2011 - ieeexplore.ieee.org
We study, by large deviations analysis, the asymptotic performance of Gaussian running
consensus distributed detection over random networks; in other words, we determine the …

Distributed linear parameter estimation: Asymptotically efficient adaptive strategies

S Kar, JMF Moura, HV Poor - SIAM Journal on Control and Optimization, 2013 - SIAM
This paper considers the problem of distributed adaptive linear parameter estimation in
multiagent inference networks. Local sensing model information is only partially available at …

Minimizing convergence error in multi-agent systems via leader selection: A supermodular optimization approach

A Clark, B Alomair, L Bushnell… - IEEE Transactions on …, 2014 - ieeexplore.ieee.org
In a leader-follower multi-agent system (MAS), the leader agents act as control inputs and
influence the states of the remaining follower agents. The rate at which the follower agents …