Table 1 Parameter setting
Parameter | Value |
|---|---|
Bandwidth of channels | 35 MHz |
Channel gain of D2D | \(128.1+37.6log_{10}d_{n,m}\) |
Channel gain of MEC | \(148.1+40log_{10}d_{n,m}\) |
Number of channel of D2D,MEC | 3,4 |
Channel noise | \(10^{-10}\) mw |
Weight value of time and energy | 0.5 |
Effective switching capacity of the device | \(10^{-27}\) |
Device transmission power | 500 mw |
Data size | [0.2, 2] Mbits |
Required number of CPU cycles | [15002000] cycles/bit |
The computation capacity of device | \([0.5 2]\) \(\times 10^{9}\) cycles/s |
The computation capacity of DCN | [6 10]\(\times 10^{9}\) cycles/s |
The computation capacity of MEC | 40\(\times 10^{9}\) cycles/s |