Energy aware multiple constraints multipath QoS routing protocol with mobility Prediction for MANET

  • Authors:
  • M. Senthilkumar;S. Somasundaram

  • Affiliations:
  • Department of Computer Technology and Applications, Coimbatore Institute of Technology, Coimbatore, Tamilnadu, India;Department of Mathematics, Coimbatore Institute of Technology, Coimbatore, Tamilnadu, India

  • Venue:
  • WSEAS TRANSACTIONS on COMMUNICATIONS
  • Year:
  • 2011

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Abstract

This paper presents a source based reactive protocol called "Energy aware Multipath QoS Routing Protocol with Mobility Prediction (EMQRPMP)" for MANET. It is the enhanced version of the existing protocol called "Power aware Multiple QoS constraints Routing Protocol with Mobility Prediction (PMQRPMP)". It considers quality of service constraints namely delay, delay-jitter, bandwidth, and cost for each link on 'n' available paths and selects 'k' routing paths between a source and a destination during path discovery. EMQRPMP checks bandwidth constraint during route request to minimize control overhead. It also checks power constraint for each node for selecting paths with good battery backup. EMQRPMP uses our new mobility prediction mechanism to find the link expiry time and determines the stability of link expiry time for each link between two adjacent nodes of each path during route reply. It executes path maintenance procedure when the link between two nodes is cut off. EMQRPMP considers the reservation of a backup path during link failure thus reducing control overhead. After finding multiple paths, the source distributes routing load on all the selected paths using an intelligent load distribution algorithm as to increase throughput in MANET.