Research Article

A Secure Truth Discovery for Data Aggregation in Mobile Crowd Sensing

Table 2

Traffic overhead.

Each Pi (b)CH(b)Total traffic

Secure weight updateu × ak × u × a(n − t) × u × a + t × u × a

Secure truth estimation2u × ak × 2u × a(n − t) × 2u × a + t × 2u × a

Entire process3u × ak × 3u × a3 × n × u × a