|
| Symbol | Meaning |
|
| L | Level of the constructed tree |
| Number of cluster heads at first level |
| Number of leaf node per cluster |
| Number of type 1 nodes which is dependent on value L |
| Number of type 2 nodes |
| A | Area of the deployment area |
| R | Radius of the deployment area |
| b | Sensor data rate |
| Data rate of a node at level i |
| Total distance from all cluster members to cluster head |
| Characteristic distance |
| Single cluster energy consumption of data transmission at level i |
| Single cluster energy consumption of data aggregation at level i |
| Single cluster energy consumption of data transmission from level i to |
| Total energy consumption at level i |
| E | Total energy consumption |
| (·) | Function of energy consumption of data aggregation |
| (·) | Function of data compression |
| Electronic energy consumption coefficient |
| Amplifier energy consumption coefficient |
| Coefficient of energy consumption of data aggregation |
| Data compression rate |
| c | Data compression overhead |
| p | Path attenuation exponent |
|