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Table 1 Simulation setup parameters and values for six-cell and three-cell layouts

From: Rotating cluster mechanism for coordinated heterogeneous MIMO cellular networks

 

Six-cell layout

Three-cell layout

Number of Tx antennas per macro BS, Nmacro

2

2

Number of Tx antennas per pico BS, Npico

2

2

Number of Rx antennas per user, M

2

2

Macro antenna pattern

Directional [37];

Directional [37];

(including 3-dB beamwidth θ3dB)

θ3dB=35°

θ3dB=70°

Pico antenna pattern

Omnidirectional

Omnidirectional

Path loss exponent, α

3.91 (macro); 3.67 (pico) [32]

3.91 (macro); 3.67 (pico) [32]

Log-normal shadow fading standard deviation, σ ρ

6 dB (macro); 4 dB (pico) [32]

6 dB (macro); 4 dB (pico) [32]

Inter-site distance, D

1732 m

1732 m

Distance from pico BS to macro site

693 m

Distance from pico BS to center of macrocell coverage area

356 m

Reference distance, R m

866 m

1155 m

Macro SNR at distance of R m along antenna boresight

9.6 dB

4.7 dB

Interference standard deviation, σ I

13.8

21.3 (patterns a, c, and e);

  

26.3 (patterns b and d)

PF averaging window size, t c

100

40

SAS parameters

Case #18 in [35]:

Case #18 in [35]:

 

B1=B2=50, \(\phi = {rand}(\sim \mathcal {U}(0,1))\)

B1=B2=50, \(\phi = {rand}(\sim \mathcal {U}(0,1))\)