Table 1 Simulation parameters
Cell type | ||
|---|---|---|
Macrocell | Picocell | |
Cellular layout | 1 macrocell site | 4 picocells per cell |
without sectorization | ||
Macrocell radius (ISD) | 500 m | |
Bandwidth | 50 RBs (10 MHz) | 50 RBs (10 MHz) |
Carrier frequency | 2.0 GHz | 2.0 GHz |
Path loss | 128.1+37.6 log10(d) dB | 140.7+36.7 log10(d) dB |
Shadowing deviation | 8 dB | 10 dB |
Fast fading | Rayleigh fading | Rayleigh fading |
Noise figure | 5 dB | 13 dB |
Antenna gain | 14 dBi | 5 dBi |
Antenna type | Omnidirectional | Omnidirectional |
UE configuration | 30 UEs per cell | 10/20 UEs per cell |
Uniformly dropped | Uniformly dropped | |
eNB Tx power | 46 dBm | 30 dBm |
UE Tx power Pmax | 23 dBm | 23 dBm |
Traffic model | Full buffer | Full buffer |
Cell association | Bias-based cell range expansion | Bias-based cell range expansion |
Bias value | 0 dB | 4 dB |
Simulation loops | 20 drops | 20 drops |
500 loops per drop | 500 loops per drop | |
Fractional | P0=−80 dBm | P0=−60 dBm |
Power control | α=0.8 | α=0.6 |
UE-specific joint | RBs reserved for good users (70%) | |
RB allocation and | RBs reserved for interfering users (30%) | |
power control | User classification: SLNR threshold selected | |
(proposed scheme) | according to the percentage 70%/30% | |