Assessment of algorithms for round-trip delay time estimation and a proposal

M. Daniel Docmac, Eduardo I. Silva, Agustín J. González

Research output: Contribution to journalArticle

1 Citation (Scopus)


Several algorithms have been proposed for the estimation of the Round-Trip Delay Time (RTT). They aim at achieving better performance than the estimation algorithm adopted by the Transfer Control Protocol (TCP) standard proposed in the late eighties. In general, the algorithms in the literature are assessed qualitatively, observing the estimation errors for a single connection scenario or via simulations. There are no works considering a quantitative evaluation metric, comparing the performance achieved by different algorithms. This motivates the present work in which several RTT estimation algorithms are compared using a common performance metric, and common experimental scenarios. As a second contribution, we propose an adaptive algorithm to estimate RTT, which is able to react quickly against sudden changes in the signal and, simultaneously, is less sensitive to noise interference than alternatives in the literature. © 2013 CEA. Publicado por Elsevier España, S.L. Todos los derechos reservados.
Original languageEnglish
Pages (from-to)62-72
Number of pages11
JournalRIAI - Revista Iberoamericana de Automatica e Informatica Industrial
Publication statusPublished - 1 Jan 2013

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