Table 1 Experimental simulation parameter setting

Maximum transmitting power of vehicle

25 dbm

Task calculation size

22.5 MHz

CPU weeks required for computing tasks

15-25 MB

Gaussian white noise power

1500~3000 Megacycles

Weight factor setting

-106 dbm

Coverage radius of RSU

0.75

Vehicle computing power

1-2GHz

Computing power of MEC server

11.2GHz

Number of uplink transmission channels

10

The number of days of vehicles in a single community

15

Distributed parameter

0.59

Vehicle cache capability

115 MB

Cache capability of MEC server

512 MB

Vehicle moving speed

40 Km/h, 60Km/h

Maximum interruption distance

345 m