SOA-Based Model for Value-Added ITS Services Delivery

Table 3

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

Node	Node_Pkts	Forwarded	Dropped	Retries	Bat	Q_Tx (%)	Q_Rx (%)	P_C
3	91.67	0	8.33	79.71	2.5	93.33	100	12
7	10.59	88.56	0.85	15.69	2.7	86.67	100	13
9	10.7	84.66	4.64	40.63	2.9	100	86.6	12
10	18.8	80.3	1.61	23.68	2.7	100	86.67	13
19	1.86	97.99	0.15	40.63	2.6	100	86.67	4
26	16.64	82.86	0.4	12.6	2.6	100	100	4
33	14.01	85.79	0.2	31.75	2.9	100	100	4
65	21.43	70.39	8.18	81.37	2.8	93.33	100	8
442	80.07	19.33	0	58.18	2.9	43.67	100	9
60320	1.45	98.4	0.15	38.12	2.7	100	100	8

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