A low delay energy equalizing secure routing scheme(LDEESR)that is suitable for gathering data periodically in wireless sensor networks is proposed. LDEESR utilizes a dynamic route selecting algorithm based on weight-value and height-value of nodes to establish a dynamic gathered tree that is similar to the token passing to elect the root of the tree. LDEESR also uses symmetrical and asymmetrical encryption mechanisms to guarantee the routing security
under which LDEESR can organize all the nodes with low overhead and is perfectly robust against topology changes and many attacks. Simulation results show that compared with group-based sensor network(GSEN )and(hybrid
energy-efficient distributed(HEED)
LDEESR can decrease and equalize the energy consume of all nodes
lessen data gathering delay
and extend the network lifetime as well.
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references
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