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Journal Articles Automatica Year : 2011

Distributed averaging on digital erasure networks


Iterative distributed algorithms are studied for computing arithmetic averages over networks of agents connected through memoryless broadcast erasure channels. These algorithms do not require the agents to have any knowledge about the global network structure or size. Almost sure convergence to state agreement is proved, and the communication and computational complexities of the algorithms are analyzed. Both the number of transmissions and the number of computations performed by each agent of the network are shown to grow not faster than poly-logarithmically in the desired precision. The impact of the graph topology on the algorithms' performance is analyzed as well. Moreover, it is shown how, in the presence of noiseless communication feedback, one can modify the algorithms, significantly improving their performance versus complexity trade-off.

Dates and versions

inria-00541039 , version 1 (29-11-2010)



Ruggero Carli, Giacomo Como, Paolo Frasca, Federica Garin. Distributed averaging on digital erasure networks. Automatica, 2011, 47 (1), pp.115-121. ⟨10.1016/j.automatica.2010.10.015⟩. ⟨inria-00541039⟩
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