From: Determining Localized Tree Construction Schemes Based on Sensor Network Lifetime
| Total number of nodes (network size) |
---|---|
| Number of nodes in one hop level with MHR in linear topology |
| Number of children of node |
| Number of descendants of node |
| Energy consumption of node per round |
| Distance between the nearest adjacent nodes |
| Radio range determined by link threshold |
| Distance between sink and the furthest node (network radius) |
| Number of nodes in a radio range |
, | Expected transmission count (ETX) |
 | between nodes and , and distance |
, | Link threshold ETX and PRR |