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An Energy Balanced Reliable Routing Metric in WSNs

DOI: 10.4236/wsn.2009.11004, PP. 22-26

Keywords: WSN, Routing Metric, Reliable Communication, Lifetime, Energy Balance

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Abstract:

In WSNs’ applications, not only the reliable end-to-end communications are must be ensured, but also the reduction of energy consumption and the entire network’s lifetim e should be optimized. All of the above have become to be an important way to evaluate the performance of routing protocols. In this paper, an op-timization model for WSNs’ lifetime is firstly advanced. Secondly, the shortage of ETX based routing metric is solved with the help of the optimization model. Thirdly, an energy balanced routing metric is advanced which is called EBRM in this paper. The result of simulation in NS-2 shows that, the EBRM metric can not only prolong the network’s lifetime, but also can ensure the reliable end-to-end communication.

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