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Open AccessArticle

Distance-Based Opportunistic Mobile Data Offloading

by Xiaofeng Lu 1,*, Pietro Lio 2 and Pan Hui 3
School of Computer Science, Beijing University of Posts and Telecommunications, Beijing 100876, China
Computer Laboratory, University of Cambridge, Cambridge CB3 0FD, UK
Department of Computer Science and Engineering, Hong Kong University of Science and Technology, Clear Water Bay, Hong Kong, China
Author to whom correspondence should be addressed.
Academic Editors: Yunchuan Sun, Antonio Jara and Shengling Wang
Sensors 2016, 16(6), 878;
Received: 11 February 2016 / Revised: 27 May 2016 / Accepted: 8 June 2016 / Published: 15 June 2016
(This article belongs to the Special Issue Identification, Information & Knowledge in the Internet of Things)
Cellular network data traffic can be offload onto opportunistic networks. This paper proposes a Distance-based Opportunistic Publish/Subscribe (DOPS) content dissemination model, which is composed of three layers: application layer, decision-making layer and network layer. When a user wants new content, he/she subscribes on a subscribing server. Users having the contents decide whether to deliver the contents to the subscriber based on the distance information. If in the meantime a content owner has traveled further in the immediate past time than the distance between the owner and the subscriber, the content owner will send the content to the subscriber through opportunistic routing. Simulations provide an evaluation of the data traffic offloading efficiency of DOPS. View Full-Text
Keywords: Mobile data offloading; delay tolerant; opportunistic communications; content dissemination model Mobile data offloading; delay tolerant; opportunistic communications; content dissemination model
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Lu, X.; Lio, P.; Hui, P. Distance-Based Opportunistic Mobile Data Offloading. Sensors 2016, 16, 878.

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