Exploiting Social Relationship for Opportunistic Routing in Mobile Social Networks

Zhenxiang GAO, Yan SHI, Shanzhi CHEN, Qihan LI

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Summary :

Routing is a challenging issue in mobile social networks (MSNs) because of time-varying links and intermittent connectivity. In order to enable nodes to make right decisions while forwarding messages, exploiting social relationship has become an important method for designing efficient routing protocols in MSNs. In this paper, we first use the temporal evolution graph model to accurately capture the dynamic topology of the MSN. Based on the model, we introduce the social relationship metric for detecting the quality of human social relationship from contact history records. Utilizing this metric, we propose social relationship based betweenness centrality metric to identify influential nodes to ensure messages forwarded by the nodes with stronger social relationship and higher likelihood of contacting other nodes. Then, we present SRBet, a novel social-based forwarding algorithm, which utilizes the aforementioned metric to enhance routing performance. Simulations have been conducted on two real world data sets and results demonstrate that the proposed forwarding algorithm achieves better performances than the existing algorithms.

Publication
IEICE TRANSACTIONS on Communications Vol.E98-B No.10 pp.2040-2048
Publication Date
2015/10/01
Publicized
Online ISSN
1745-1345
DOI
10.1587/transcom.E98.B.2040
Type of Manuscript
PAPER
Category
Network

Authors

Zhenxiang GAO
  Beijing University of Posts and Telecommunications (BUPT)
Yan SHI
  Beijing University of Posts and Telecommunications (BUPT)
Shanzhi CHEN
  China Academy of Telecommunications Technology (CATT) and Datang Telecom Technology & Industry Group
Qihan LI
  University of Southern California

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