A linear systematic network model is constructed based on the lifetime of sensors which will prolong network lifetime in the light of the features of wireless sensor networks.To avoid network paralysis when lapses happen on sensors
a dynamic routing algorithms is brought up to facilitate to receive information.Simulation analysis shows that retransmission model can effectively extend network lifetime
increase the amount of information collected by the network and improve the energy efficiency of the sensor networks.
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references
Maximum lifetime routing in wireless sensor networks [J] . Jae-Hwan Chang,Leandros Tassiulas. IEEE/ACM Transactions on Networking (TON) . 2004 (4)