Table 1 Simulation parameters
From: Socially aware D2D cooperative communications for enhancing Internet of Things application
Parameter | Value |
|---|---|
Carrier frequency | 2.5 GHz |
System bandwidth | 5 MHz |
eNodeB Tx power | 46 dBm |
Maximum UE Tx power | 29 dBm (D2D mode: 20 dBm) |
RB size | 12 sub-carriers 0.5 ms |
Path loss (cell link) | 128.1+37.6log(d),d[km] |
Path loss (D2D link) | 40log(d)+30log(f)+49, d[km],f[Hz] |
Cell radius | 500 m |
The maximum distance (D2D) | 50 m |
Thermal noise | − 174 dBm/Hz |