14 Citations (Scopus)

Abstract

Many mobility models attempt to provide realistic simulation to many real world scenarios. However, existing mobility models, such as RPGM [X. Hong, M. Gerla, G. Pei, C. Chiang, A group mobility model for ad hoc wireless networks, in: Proceedings of ACM/IEEE MSWiM'99, Seattle, WA, August 1999, pp. 53-60] and others, fail to address many aspects. These limitations range from mobile node (MN) collision avoidance, obstacle avoidance, and the interaction of MNs within a group. Our research, the group force mobility model (GFMM) [S.A. Williams, D. Huang, A group force mobility model, Appeared at 9th Communications and Networking Simulation Symposium, April 2006], proposes a novel idea which introduces the concept of attraction and repulsion forces to address many of these limitations. Williams and Huang [A group force mobility model, Appeared at 9th Communications and Networking Simulation Symposium, April 2006] described some of the limitations and drawbacks that many models neglect. This model effectively simulates the interaction of MNs within a group, the interaction of groups to one another, the coherency of a group, and the avoidance of collision with groups, nodes, and obstacles. This paper provides an overview of GFMM and particularly illustrates the GFMM's ability to avoid collision with obstacles, which is a vital property to posses in order to provide a realistic simulaition. We compare our model with the commonly used RPGM model and provide statistical assessments based on connectivity metrics such as link changed, link duration, and relative speed. All will be detailed and explained in this paper.

Original languageEnglish (US)
Pages (from-to)949-957
Number of pages9
JournalActa Astronautica
Volume65
Issue number7-8
DOIs
StatePublished - Oct 2009

Fingerprint

Collision avoidance
Communication
Wireless ad hoc networks

Keywords

  • Collision avoidance
  • Force
  • Group mobility

ASJC Scopus subject areas

  • Aerospace Engineering

Cite this

Group force mobility model and its obstacle avoidance capability. / Williams, Sean A.; Huang, Dijiang.

In: Acta Astronautica, Vol. 65, No. 7-8, 10.2009, p. 949-957.

Research output: Contribution to journalArticle

Williams, Sean A. ; Huang, Dijiang. / Group force mobility model and its obstacle avoidance capability. In: Acta Astronautica. 2009 ; Vol. 65, No. 7-8. pp. 949-957.
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