Table 3: WSN metric for determining when a parking lot is free or busy.

NodeNode_PktsForwardedDroppedRetriesBatQ_Tx (%)Q_Rx (%)P_C

391.6708.3379.712.593.3310012
710.5988.560.8515.692.786.6710013
910.784.664.6440.632.910086.612
1018.880.31.6123.682.710086.6713
191.8697.990.1540.632.610086.674
2616.6482.860.412.62.61001004
3314.0185.790.231.752.91001004
6521.4370.398.1881.372.893.331008
44280.0719.33058.182.943.671009
603201.4598.40.1538.122.71001008

Q→ quality, Bat→ battery (V), Node_Pkts→ node packets, and P_C→ path cost.