The design and application of mobile awareness mechanism in wireless ad hoc networks without GPS

Chun Hung Chen, Ho Ting Wu, Kai Wei Ke

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

2 Scopus citations

Abstract

A mobile ad hoc network is a wireless multihop network without any existing infrastructure. Thus when one node wants to transmit data to another node, it should depend on other nodes to forward it. In such a networking environment, the movement of highly mobile nodes may frequently result in the link breakdown, thus causing network inefficiency and data loss. In this paper, we develop a simple heuristic mechanism to characterize the instant mobility of network nodes. We assume that all network nodes can move arbitrarily, and none of them is equipped with any positioning device (such as the GPS system). Each mobile node is (at any time) classified as either a low mobility node or a high mobility node. A mobile node estimates its own mobility type by comparing the signal strength of consecutive received messages sent by its low mobility neighboring nodes. It then broadcasts this mobility type information to its neighbors. The mobility estimation algorithm is thus fully distributed and self organized. We then apply the estimated mobility characteristics to the construction of the end-to-end routing path. Two methods of selecting low mobility nodes as the primary intermediate routing nodes are presented. Performance evaluations via simulations have demonstrated the robustness of such a mobile awareness algorithm.

Original languageEnglish
Title of host publicationAPCC 2003 - 9th Asia-Pacific Conference on Communications, in conjunction with 6th Malaysia International Conference on Communications, MICC 2003, Proceedings
EditorsKhairil Anuar, Hairul Azhar B. Abdul Rashid, Mahamod Ismail, Ashraf Gasim Elsid Abdalla
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages148-152
Number of pages5
ISBN (Electronic)0780381149, 9780780381148
DOIs
StatePublished - 2003
Externally publishedYes
Event9th IEEE Asia-Pacific Conference on Communications, APCC 2003, in conjunction with 6th Malaysia International Conference on Communications, MICC 2003 - Penang, Malaysia
Duration: 21 09 200324 09 2003

Publication series

NameAPCC 2003 - 9th Asia-Pacific Conference on Communications, in conjunction with 6th Malaysia International Conference on Communications, MICC 2003, Proceedings
Volume1

Conference

Conference9th IEEE Asia-Pacific Conference on Communications, APCC 2003, in conjunction with 6th Malaysia International Conference on Communications, MICC 2003
Country/TerritoryMalaysia
CityPenang
Period21/09/0324/09/03

Bibliographical note

Publisher Copyright:
© 2003 IEEE.

Keywords

  • Ad hoc networks
  • Application software
  • Base stations
  • Electric breakdown
  • Fading
  • Global Positioning System
  • Intelligent networks
  • Land mobile radio cellular systems
  • Mobile ad hoc networks
  • Routing

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