Realization of Route Reconstructing Scheme for Mobile Ad hoc Network

Realization of Route Reconstructing Scheme for Mobile Ad hoc Network

Qin Danyang (Harbin Institute of Technology, China), Ma Lin (Harbin Institute of Technology, China), Sha Xuejun (Harbin Institute of Technology, China) and Xu Yubin (Harbin Institute of Technology, China)
DOI: 10.4018/jmcmc.2009070105
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Mobile Ad Hoc Network (MANET) is a centerless packet radio network without fixed infrastructure. In recent years tremendous attentions have been received because of capabilities of self-configuration and self-maintenance. However, attenuation and interference caused by node mobility and wireless channels sharing weaken the stability of communication links especially in ubiquitous MANET. A mathematical exploring model for next-hop node has been established. The negative impact of wireless routes discontinuity on pervasive communication is alleviated by a novel route reconstructed scheme proposed in this article based on restricting the route requirement zone into a pie slice region on intermediate nodes according the solution of the exploring equation. The scheme is an effective approach to increase survivability and reduce average end-to-end delay during route maintenance as well as allowing continuous packet forwarding for fault resilience so as to support mobile multimedia communication. The ns-2 based simulation results show remarkable packets successful delivery rate and end-to-end delay improvements of source-initiated routing protocol with route reconstructing scheme, and especially in the case of high dynamic environments with heavy traffic loads, more robust and scalable performance will be obtained.

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