2 research outputs found
Stochastic consensus over noisy networks with Markovian and arbitrary switches
This paper considers stochastic consensus problems over lossy wireless networks. We first propose a
measurement model with a random link gain, additive noise, and Markovian lossy signal reception,
which captures uncertain operational conditions of practical networks. For consensus seeking, we
apply stochastic approximation and derive a Markovian mode dependent recursive algorithm. Mean
square and almost sure (i.e., probability one) convergence analysis is developed via a state space
decomposition approach when the coefficient matrix in the algorithm satisfies a zero row and column sum
condition.Subsequently,we consider a model with arbitrary random switching and a common stochastic
Lyapunov function technique is used to prove convergence. Finally,our method is applied to models with
heterogeneous quantizers and packet losses, and convergence results are proved