A multi-layer approach for seamless handoff in ad hoc networks with wireless heterogeneity

  • Authors:

  • Tuna Guven;Hui Zeng;Jason H. Li;Song Luo;Subir Das;Tony McAuley;Thomas Stuhrmann;Joe Sherrick;Christine Adelfio;Seth Spoenlein;Aristides Staikos;Mario Gerla

  • Affiliations:

  • Intelligent Automation, Inc., Rockville, MD;Intelligent Automation, Inc., Rockville, MD;Intelligent Automation, Inc., Rockville, MD;Intelligent Automation, Inc., Rockville, MD;Telcordia Technologies, Piscataway, NJ;Telcordia Technologies, Piscataway, NJ;Army CERDEC, Ft. Monmouth, NJ;Army CERDEC, Ft. Monmouth, NJ;Army CERDEC, Ft. Monmouth, NJ;Army CERDEC, Ft. Monmouth, NJ;Army CERDEC, Ft. Monmouth, NJ;Department of Computer, UCLA, Los Angeles, CA

  • Venue:
  • MILCOM'09 Proceedings of the 28th IEEE conference on Military communications
  • Year:
  • 2009

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Abstract

In this paper, we investigate general handoff problem for ad hoc wireless networks in face of multiple heterogeneous wireless interfaces and non-trivial node mobility. The handoff problem in ad hoc networks has major differences with respect to its counterpart in infrastructure networks, as handoff decisions are not restricted to simple evaluation of single-hop performances of available link interfaces but rather require a network-wide evaluation of ad hoc nodes. This requires an integrated multi-layer approach as indicated in our earlier efforts. In this study, we extend our existing work on developing an integrated framework through a cross layer approach. Further, we identify the key interrelation between the topology control and handoff processes and provide a multi-interface topology control process that maintains coordination between network nodes via k-hop clustering mechanism.