Macrocell Protection Interference Alignment in Two-Tier Downlink Heterogeneous Networks

Table 2

Simulation parameters.

Parameter	Assumption
Macrocell layout	19 hexagonal cells, 3 sectors per cell
Inter-MBS distance	500 m
Picocell coverage	20 m
Carrier frequency/bandwidth	2 GHz/20 MHz
MBS transmission power	46 dBm
PBS transmission power	23 dBm
Path loss from the MBS to the UE	[dB], in km
Path loss from the PBS to the UE	[dB], in km
MBS antenna pattern
PBS antenna pattern	Omnidirectional
Channel model	ITU-R M.1225 Ped. A
Shadowing standard deviation	8 dB
Penetration loss	20 dB
Noise figure	9 dB
Noise power spectral density	−174 dBm/Hz
Traffic model	Full buffer