Table 1 Parameters used for simulation of SE, EE, SSE, and SEE

R

Cell radius

1 km

α

Path loss exponent

4

\(\overline {\gamma }\)

Signal-to-noise ratio (SNR)

0 −20 dB

R _d

Normalized reuse distance

2 −6

N _I

Number of interfering cells

6

θ

User’s angle

0 − 2 π, \(\frac {2\pi }{3}\), \(\frac {\pi }{3}\)

m

Fading figure

m≥1