Table 1 Simulation parameters
From: Cross-tier interference management schemes in cognitive heterogeneous networks
Parameter | Value |
|---|---|
Number of macrocells | 1 |
Number of femtocells | 4 |
Number of macrocell users | 100/cell |
Number of femtocell users | 25/cell |
System bandwidth | Â |
Macrocell | 20 MHz |
Femtocell | 5 MHz |
Physical resource block | 180 KHz |
Distance-dependent pathloss | 128.1 + 37.6log(distance) |
Shadowing | None |
TTI | 1 ms |
Total BS transmission power | Â |
macrocell | 43 dBm |
Femtocell | 23 dBm |
Number of BS Tx antennas | 2 |
Number of UE Rx antennas | 2 |
Bits per CQI report | 6 |
Bits per PMI report | 3 |
Codebook type | Grassmannian |
CSI report delay | 4 TTIs |
Frequency reuse factor | 1 |
Frequency domain scheduler | Max rate |
Simulation time | 100,000 TTIs |