Table 1.
Abbreviations used in this paper.
| Abbreviations | Explanation |
|---|---|
| WSN | Wireless Sensor Network |
| HWSN | Heterogeneous Wireless Sensor Network |
| CH | Cluster Head |
| BS | Base Station |
| GWO | Grey Wolf Optimizer |
| MGWO | Modified Grey Wolf Optimizer |
| LEACH | Low Energy Adaptive Clustering Hierarchy Protocol |
| SEP | Stable Election Protocol |
| DEEC | Distributed Energy-Efficient Clustering Algorithm |
| M-SEP | Modified Stable Election Protocol |
| FIGWO | Fitness-Value-Based Improved Grey Wolf Optimizer |
| HMGWO | A Routing Protocol for Heterogeneous Wireless Sensor Network Based on the Modified Grey Wolf Optimizer |