Dynamic Fractional Frequency Reuse Diversity Design for Intercell Interference Mitigation in Nonorthogonal Multiple Access Multicellular Networks

Table 2

Simulation parameters.

Cell layout	19 hexagonal cells, 3 sectors per cell
Cell Radius	500 m
Shadowing factor	Log-Normal with 8-dB Std. Dev.
Shadowing correlation	0.45 (intercell), 1(intracell)
Channel modeling	6-tap typical urban (TU6)
Path loss model	133.6 + 35 log10 (d[km]) dB
Thermal noise density	-174 dBm/Hz
BS transmit power	46–50 dBm
System bandwidth	20 MHz
Channel bandwidth	200 KHz
No. of users	30 per cell (10 per sector)
Sub-channels	100
(decay factor)	0.6
Frequency reuse factor	1(center), 1/3(edge)
OMA	Subcarriers = 64, CP = 1/4, FFT = 64-point
Digital modulation	8, 16, 64-PSK
Maximum NOMA User
Clustering Order	2