Table 1 Simulation parameters
From: Dynamic switching off algorithms for pico base stations in heterogeneous cellular networks
Parameters | Macrocell setting | Picocell setting |
|---|---|---|
Cellular layout | 19 cell sites, 3 sectors per site | 4 picocells randomly distributed per sector |
System Bandwidth | 10 MHz | 10 MHz |
Number of RBs | 50 | 50 |
Path loss model | L=128.1+37.6 log10(R), R in km | L=140.7+36.7 log10(R), R in km |
Shadowing standard deviation | 8 dB | 10 dB |
Antenna pattern | 3D pattern | Omni-directional |
Antenna gain | 14 dBi | 5 dBi |
ϕ 3 dB, θ 3 dB | 70∘,10∘ | N/A |
Thermal noise density | -174 dBm/Hz | -174 dBm/Hz |
BS transmission power | 46 dBm | 30 dBm |
UE distribution radius | 289 m | 40 m |
UE’s rate requirement | 400 Kbps | 400 Kbps |
Minimum distance requirement | Macro-pico : 75 m, Macro-UE : 35 m | Pico-pico : 40 m, Pico-UE : 10 m |