Table 1.
Notation descriptions.
| Notations | Descriptions |
|---|---|
| q | Number of sensor nodes |
| n | Number of target monitoring points |
| M × N | Size of the monitoring area |
| Si | The i-th sensor node |
| xi, yi | The location coordinates of each sensor node |
| Tj | The j-th target monitoring point |
| xj, yj | The location coordinates of each target point |
| Rs | Sensing radius |
| Rc | Communication radius |
| d(Si, Tj) | The Euclidean distance between Si and Tj |
| p | Probability of monitoring points being covered by nodes |
| P | Probability of monitoring points being jointly sensed |
| Cov | Coverage rate |
| CootPos(i) | The position of the i-th COOT |
| LeaderPos(k) | The position of the selected leader |
| d | The number of variables or problem dimensions |
| ub | The upper bound of the search space |
| lb | The lower bound of the search space |
| Q | Random initialization of the location |
| A, B | Control parameters |
| NL | The number of leaders |
| R1, R2, R3, R4 | The random numbers between the interval [0, 1] |
| R | The random number between the interval [−1, 1] |
| α, µ, γ, λ, v | Control parameters |
| s | Search path of the Lévy flight |
| X’LeaderPos(i) | The inverse solution of the current leader position |
| max_Iter | Maximum number of iterations |
| XGbestNew | The latest position after perturbed by Cauchy mutation |
| Ps | The selection probability |