Multipath routing protocol for networks lifetime maximization in ad-hoc networks

  • Authors:

  • Juanwei Liu;Jian Chen;Yonghong Kuo

  • Affiliations:

  • School of Telecommunication Engineering, Xidian University, Xian, China;School of Telecommunication Engineering, Xidian University, Xian, China;School of Telecommunication Engineering, Xidian University, Xian, China

  • Venue:
  • WiCOM'09 Proceedings of the 5th International Conference on Wireless communications, networking and mobile computing
  • Year:
  • 2009

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Abstract

AOMDV protocol is designed for highly dynamic ad hoc networks where link failures and route breaks occur frequently. However, the rapidly changing topology makes the limited power nodes exhaust rapidly, which makes the network split early with the decrease of the networks lifetime. A new multipath protocol called Multipath Routing Protocol for Networks Lifetime Maximization in Ad-Hoc Networks (MRNLM) is proposed based on AOMDV. The protocol sets energy threshold to optimize the forwarding mechanism. At the same time it builds an energy-cost function and uses the function as the criterion for multiple path selection. In transmission phase, we use a novelty method called "data transmission in multiple paths one by one" to balance the energy in multiple paths. The performance is compared between MRNLM and AOMDV by NS2. It is shown that MRNLM is able to balance the energy of the networks with the lifetime increase at least 14% under different nodes pause time. For different packet rate, the lifetime increases no less than 35%.