Table 2.
Simulation parameters. CSMA, carrier sense multiple access.
| Parameter | Value | |
|---|---|---|
| Physical layer parameters | ||
|
| ||
| Sensitivity thresholds | −78 to −94 dBm | |
| Transmission power | 0 dBm | |
|
| ||
| MAC layer parameters | ||
|
| ||
| Maximum retransmission number | 3 | |
| Maximum retry number | 5 | |
| Maximum number of tries to reach a node from the coordinator | 9 | |
| Packet error rate | 1%–4% | |
| Average frame length | 22 bytes | |
| Maximum number of backoffs | 4 | |
| MAC protocol | IEEE 802.15.4 | |
| MAC layer | CSMA/CA | |
|
| ||
| Network layer parameters | ||
|
| ||
| Number of nodes | 49 | |
| Discovery neighbor time | 10 s | |
| Maximum data rate | 250 kbps | |
| Scenario | Static nodes | |