• KSII Transactions on Internet and Information Systems
    Monthly Online Journal (eISSN: 1976-7277)

Performance Improvement of Delay-Tolerant Networks with Mobility Control under Group Mobility


Abstract

This paper considers mobility control to improve packet delivery in delay-tolerant networks (DTNs) under group mobility. Based on the group structure in group mobility, we propose two mobility control techniques; group formation enforcement and group purposeful movement. Both techniques can be used to increase the contact opportunities between groups by extending the group。ッs reachability. In addition, they can be easily integrated into some existing DTN routing schemes under group mobility to effectively expedite the packet delivery. This paper is divided into 2 parts. First, we study how our proposed mobility control schemes reduce the packet delivery delay in DTNs by integrating them into one simple routing scheme called group-epidemic routing (G-ER). For each scheme, we analytically derive the cumulative density function of the packet delivery delay to show how it can effectively reduce the packet delivery delay. Then, based on our second proposed technique, the group purposeful movement, we design a new DTN routing scheme, called purposeful movement assisted routing (PMAR), to further reduce the packet delay. Extensive simulations in NS2 have been conducted to show the significant improvement of PMAR over G-ER under different practical network conditions


Statistics

Show / Hide Statistics

Statistics (Cumulative Counts from December 1st, 2015)
Multiple requests among the same browser session are counted as one view.
If you mouse over a chart, the values of data points will be shown.


Cite this article

[IEEE Style]
Ling Fu Xie and Peter Han Joo Chong, "Performance Improvement of Delay-Tolerant Networks with Mobility Control under Group Mobility," KSII Transactions on Internet and Information Systems, vol. 9, no. 6, pp. 2180-2200, 2015. DOI: 10.3837/tiis.2015.06.012

[ACM Style]
Xie, L. F. and Chong, P. H. J. 2015. Performance Improvement of Delay-Tolerant Networks with Mobility Control under Group Mobility. KSII Transactions on Internet and Information Systems, 9, 6, (2015), 2180-2200. DOI: 10.3837/tiis.2015.06.012