From: Secure Clustering and Symmetric Key Establishment in Heterogeneous Wireless Sensor Networks
Notation | Definition |
---|---|
| Number of sensor nodes in the network |
| Area that sensor nodes are deployed |
| Number of gateways in the network |
| Number of neighbor nodes |
| Transmission range of each sensor node |
| Largest radius of a cluster covered by each gateway |
| Sensor node , |
| Area covered by each sensor node |
| Gateway , |
| Symmetric key between sensor node and |
, | Public and private key of sensor node , |
| Probability of node to be compromised |
, | Public and private key of gateway , |
| The encryption function using the key |
| The decryption function using the key |
| Number of links connected to the node |