Research Article

Towards a Smart Privacy-Preserving Incentive Mechanism for Vehicular Crowd Sensing

Table 1

Key notations.

NotationDefinition

The security parameter
A large prime whose length is
An additive group of order
Two cyclic groups of the same prime order
Generators of
A daily verification key
A nondegradable bilinear mapping
A collision-resistant hash function
A bloom filter for fast authentication factors
The fog’s private key and public key
for
An anonymous credential of a vehicle
Legitimate vehicles consist of
TA’s budget
The bid, reputation, and the location of vehicle
Pederson commitment
The data structure of the sensory data
The weight of the accuracy of the data and the submission time
The data quality of vehicle
The amount of vehicles who submit high-quality data
The reward for vehicle in the reward payment