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In-network data aggregation is an effective technique to reduce communication cost in wireless sensor networks. Recent studies have focused on two issues respectively: dynamic aggregation to handle event triggered irregular traffic and robust aggregation to handle packet losses. However, how to achieve both the objectives simultaneously, i.e. dynamic and robust aggregation is still not considered...
In-network data aggregation is an effective technique to reduce communication cost in wireless sensor networks. Recent works have focused on two issues individually: dynamic aggregation to handle irregular traffic of events and robust aggregation to tolerate packet losses. However, how to achieve both the objectives simultaneously is still not touched. In this paper, we propose a cross-layer approach...
Nowadays research and applications of wireless sensor network have attracted peoplepsilas attention. Since sensor nodes in WSN are resource-constrained, the security solutions for WSN become difficult. In this paper, we propose to use combined public key technique in wireless sensor network. A new key management scheme, a key agreement and mutual authentication protocol based on CPK for WSN are given,...
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