Table 2 System parameters
From: An adaptive retransmit mechanism for delay differentiated services in industrial WSNs
Parameter | Value | Description |
|---|---|---|
\( {p}_i^s \) | 60%-95% | Probability of data being successfully sent to the subsequent node |
\( {q}_i^a \) | 80%-95% | Probability of ACK successful transmission |
δ | 90%-100% | End-to-end reliability of data packets |
Ï„round | 50ms | round-trip time |
Ï„rtto | 60ms | round-trip time to out |
s | 10ms | The minimum interval time of next data packets being sent |
b | 10ms | The minimum interval time of next ACK being sent |
μ | 10ms | Timeout interval of retransmission |