Research Article

LSOT: A Lightweight Self-Organized Trust Model in VANETs

Table 2

Parameter settings in our simulations.

ParametersDescriptionsValues

Number threshold in (3)20
Time window in (4)100
Time decay factor in (4)40
Constant in (5)0.5
Distance threshold in (6)
Distance decay factor in (6)
Default trust value in (8)0.1
Increment factor in (10)0.2
Decrement factor in (11)0.3
Maximum allowable hop in Algorithm 13
Trust decay factor in (12)0.5
Default trust value in (13)0.1
Weight parameter in (14)0.5

As the nodes in Advogato dataset do not contain location information, we set and in our simulations so as to ensure .
is set as a relatively low value (i.e., 3) due to the highly dynamic and time-critical features of VANETs.