A Robust Route Maintenance Scheme for Wireless Ad-Hoc Networks

  • Authors:
  • Kwan-Woong Kim;Mike Myung-Ok Lee;Changkug Kim;Yong-Kab Kim

  • Affiliations:
  • Div. of Electrical Electronic & Information Eng., Wonkwang Univ., Iksan, 570-749, South Korea;Murdoch University, South Street, Murdoch, Western Australia 6150, Australia;Bioinformatics Div, National Institute of Agricultural Biotechnology, R.D.A., 225 Seodundong, Suwon, 441-707, Korea;Div. of Electrical Electronic & Information Eng., Wonkwang Univ., Iksan, 570-749, South Korea

  • Venue:
  • ICCS '07 Proceedings of the 7th international conference on Computational Science, Part IV: ICCS 2007
  • Year:
  • 2007

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Abstract

Ad hoc networks are dynamic networks that consist of mobile nodes. Nodes in Ad hoc networks are usually laptops, PDAs or mobile phones. These devices feature Bluetooth and/or IEEE 802.11 (WiFi) network interfaces and communicate in a decentralized manner. Due to characteristics of Ad-hoc networks, Mobility is a key feature of routing protocol design. In this study, we present an enhanced routing maintenance scheme that cope with topology changes pre-actively. The key feature of the proposed scheme is that switches next-hop node to alternative neighbor node before link breakage for preventing route failure. From extensive experiments by using NS2, the performance of the proposed scheme has been improved by comparison to AODV protocol.