@inproceedings{15894b641ee54bc5aea998efc80663f9,
title = "Estimating file-spread in delay tolerant networks under two-hop routing",
abstract = "We consider a Delay/Disruption Tolerant Network under two-hop routing. Our objective is to estimate and track the degree of spread of a message/file in the network. Indeed, having such real-time information is critical for on-line control of routing and energy expenditure. It also benefits the multi-casting application. With exponential inter-meeting times of mobile nodes: (i) for the estimation problem, we obtain exact expressions for the minimum mean-squared error (MMSE) estimator, and (ii) for the tracking problem, we first derive the diffusion approximations for the system dynamics and the measurements and then apply Kalman filtering. We also apply the solutions of the estimation and filtering problems to predict the time when a certain pre-defined fraction of nodes have received a copy of the message/file. Our analytical results are corroborated with extensive simulation results.",
keywords = "Kalman filtering, delay/disruption tolerant networks, estimation and tracking, level-crossing, multi-casting, two-hop routing",
author = "Arshad Ali and Eitan Altman and Tijani Chahed and Dieter Fiems and Manoj Panda and Lucile Sassatelli",
year = "2012",
month = jun,
day = "5",
doi = "10.1007/978-3-642-30054-7\_22",
language = "English",
isbn = "9783642300530",
series = "Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)",
number = "PART 2",
pages = "277--290",
booktitle = "NETWORKING 2012 - 11th International IFIP TC 6 Networking Conference, Proceedings",
edition = "PART 2",
note = "11th International IFIP TC 6 Networking Conference, NETWORKING 2012 ; Conference date: 21-05-2012 Through 25-05-2012",
}