Symbol | Description |
| Sensor node |
| Attack type, corresponding trust metric |
| The distribution of the communication behavior of the node i about the node j, is a random variable |
| The trust value of node i for node j, mathematical expectation for |
| For trust metric Am, the distribution of the communication behavior of the node i about the node j |
| For trust metric Am, the trust value of node i for node j, mathematical expectation for |
| For trust metric Am, the number of nodes j normal communication behavior by node j monitor |
| For trust metric Am, the number of nodes j abnormal communication behavior by node j monitor |