Table 1:
Notations
| Parameters | Value |
|---|---|
| G | Average number of packets. |
| λ, λc, λi | Arrival rates (packets/sec), in cluster c, and zone i. |
| P, Pn | Probability of successful transmission of packets without and with normalized. |
| TSF | Time on air for an SF. |

Figure 1:
SNR versus number of nodes distance from Gateway when 1 and 2 gateways are used. SNR, signal to noise ratio.

Figure 2:
RSSI versus number of nodes distance from Gateway when 1 and 2 gateways are used. RSSI, receiving signal strength indicator.

Figure 3:
Received power versus number of nodes distance from Gateway when 1 and 2 gateways are used.