A Hybrid Opportunistic IoT Secure Routing Strategy Based on Node Intimacy and Trust Value
Table 1
The settings of simulation experiment parameters.
Parameter
Value
Experimental map
Helsinki map
Experimental area size
4.5 × 3.4 km (width × height)
Intra-area node movement model
Map-based shortest path movement model
Experimental simulation time
12 h (43200 s)
Number of nodes
36/66/96/126/156
Communication radius
10 m
Transfer speed
250 KB/s
Node moving speed
The first group: 0.5 ~ 1.5 m/s the second group: 2.7 ~ 13.9 m/s the third group: 0.5 ~ 1.5 m/s the fourth group: 7 ~ 10 m/s the fifth group: 7 ~ 10 m/s the sixth group: 7 ~ 10 m/s
Node cache size
Person: 5 M tram: 50 M
Transfer method
Person: Bluetooth interface tram: Bluetooth/high-speed interface