Table 1 Notation.
| The transmission range of any given node. |
|---|---|
| The sensing range of any given node. |
| The sensing region of any given node. |
| An event to be sensed by the wireless sensor network. |
| The set of sensor nodes in any given cluster. |
| The number of sensor nodes in any given cluster. |
|
 sensor node in any given cluster where  .
|
Area
|
Area of any given region  .
|
|
The entropy of any given random variable  [34].
|
|
The number of bits needed to represent a sensor reading. If the sensor source at any given node is denoted by  is then .
|