Journal of Sensors / 2016 / Article / Tab 4

Research Article

Security Analysis and Improvements of Session Key Establishment for Clustered Sensor Networks

Table 4

Energy costs comparison of the proposed scheme (during sessions).

Schemes NodesTotal energy costsEnergy cost comparison (mJ)

The proposed scheme Gateway
Cluster head

Lee and Kim’s scheme [17] Gateway
Cluster head

Energy cost comparison based on the experimental results in [28]. We assume that the cluster head transmits the total of byte data to the gateway during sessions.

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