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Partial-Diffusion Least Mean-Square Estimation Over Networks Under Noisy Information Exchange

Vadidpour, V, Rastegarnia, A, Khalili, A and Sanei, S (2015) Partial-Diffusion Least Mean-Square Estimation Over Networks Under Noisy Information Exchange

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Abstract

Partial diffusion scheme is an effective method for reducing computational load and power consumption in adaptive network implementation. The Information is exchanged among the nodes, usually over noisy links. In this paper, we consider a general version of partial-diffusion least-mean-square (PDLMS) algorithm in the presence of various sources of imperfect information exchanges. Like the established PDLMS, we consider two different schemes to select the entries, sequential and stochastic, for transmission at each iteration. Our objective is to analyze the aggregate effect of these perturbations on general PDLMS strategies. Simulation results demonstrate that considering noisy link assumption adds a new complexity to the related optimization problem and the trade-off between communication cost and estimation performance in comparison to ideal case becomes unbalanced.

Item Type: Article
Authors :
NameEmailORCID
Vadidpour, VUNSPECIFIEDUNSPECIFIED
Rastegarnia, AUNSPECIFIEDUNSPECIFIED
Khalili, AUNSPECIFIEDUNSPECIFIED
Sanei, Ss.sanei@surrey.ac.ukUNSPECIFIED
Date : 29 November 2015
Uncontrolled Keywords : cs.SY, cs.SY
Related URLs :
Depositing User : Symplectic Elements
Date Deposited : 17 May 2017 13:46
Last Modified : 17 May 2017 15:13
URI: http://epubs.surrey.ac.uk/id/eprint/840299

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