Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/18926
Title: Group aware cooperative routing for opportunistic networks under resource constraints
Authors: Chen, H
Lou, W 
Keywords: Mobile ad hoc networks
Routing protocols
Telecommunication network management
Telecommunication network topology
Issue Date: 2012
Publisher: IEEE
Source: 2012 IEEE Global Communications Conference (GLOBECOM), 3-7 December 2012, Anaheim, CA, p. 5705-5710 How to cite?
Abstract: Opportunistic networks are a new evolution of mobile ad hoc networks composed of intermittently connected nodes, in which the routing for the dynamic topology is a challenging issue. In opportunistic networks, the mobile nodes with common interest or close relationship may form into groups and move together, which brings us a good feature to employ when designing the routing protocol for opportunistic networks under resource constraints. Our main idea in this paper is to maximize the message delivery probability in a group-aware opportunistic network under the constraints of bandwidth and buffer space. Embedded this idea, we propose a cooperative routing protocol using the group feature, which includes the cooperative message transfer scheme and the buffer management strategy. In the cooperative message transfer scheme, the limited bandwidth is considered and the message transfer priorities are designed to maximize the delivery probability. In the buffer management strategy, by considering the constraint of buffer space, we propose the cooperative message caching scheme and the dropping order of the messages is designed to minimize the reduced delivery probability. Finally, we conduct the simulations to demonstrate the effectiveness of our proposed routing protocol.
URI: http://hdl.handle.net/10397/18926
ISBN: 978-1-4673-0920-2
978-1-4673-0919-6 (E-ISBN)
ISSN: 1930-529X
DOI: 10.1109/GLOCOM.2012.6504030
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