Research Article
Optimization Framework and Parameter Determination for Proximity-Based Device Discovery in D2D Communication Systems
Table 1
Simulation parameters.
| Parameter | Value |
| Simulation region | 1000 m × 1000 m (wrap-around) | Device density () | | Figures 4 and 7 | 0.005/m2 | Figure 5 | 0.001~0.004/m2 | Figure 6 | 0.002/m2 | Path loss exponent () | 4 | Shadowing | Not applied | Fading | Flat Rayleigh fading | Bandwidth () | 10 KHz | Message length () | 100 bits | Initial number of RBs in discovery period () | 8 | Target SIR (SIRTarget) | | Figures 4 and 5 | 0 dB | Figure 6 | −10~20 dB | Figure 7 | 7 dB |
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