Localized algorithms and their applications in ad hoc wireless networks

  • Authors:
  • Jie Wu

  • Affiliations:
  • Department of Computer Science and Engineering, Florida Atlantic University, Boca Raton, FL

  • Venue:
  • ISPA'03 Proceedings of the 2003 international conference on Parallel and distributed processing and applications
  • Year:
  • 2003

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Abstract

An ad hoc wireless network is a special type of wireless multi-hop network without infrastructure or centralized administration. As a result of the mobility of their nodes, ad hoe wireless networks are characterized by dynamically changing topologies. A localized algorithm is a special distributed algorithm where each node performs an exceedingly simple task based on local information, with no information sequentially propagated globally in tile network. The importance of localized algorithms is their scalability in mobile environments. Decisions made based on localized algorithms are adjustable to tile change (such as a topological one) due to the mobile node. We discuss a generic framework that can capture many existing localized broadcast algorithms in ad hoc wireless networks. Tile framework can easily integrate other objectives such as energy-efficient design and reliability that ensures broadcast coverage. In addition, tile framework is extensible to cover other collective communication, which includes One-to-many (multicasting), all-to-one (reduction or arregation), and all-to-all (gossiping).