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Sensors 2016, 16(6), 878; doi:10.3390/s16060878

Distance-Based Opportunistic Mobile Data Offloading

1
School of Computer Science, Beijing University of Posts and Telecommunications, Beijing 100876, China
2
Computer Laboratory, University of Cambridge, Cambridge CB3 0FD, UK
3
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
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)
View Full-Text   |   Download PDF [1594 KB, uploaded 15 June 2016]   |  

Abstract

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
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Lu, X.; Lio, P.; Hui, P. Distance-Based Opportunistic Mobile Data Offloading. Sensors 2016, 16, 878.

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