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Table 2 System parameters

From: An adaptive retransmit mechanism for delay differentiated services in industrial WSNs

\( {p}_i^s \)60%-95%Probability of data being successfully sent to the subsequent node
\( {q}_i^a \)80%-95%Probability of ACK successful transmission
δ90%-100%End-to-end reliability of data packets
τround50msround-trip time
τrtto60msround-trip time to out
s10msThe minimum interval time of next data packets being sent
b10msThe minimum interval time of next ACK being sent
μ10msTimeout interval of retransmission