Table 1 The setup

Cell parameters

Number of cells, N

21

Cluster size, B

3

Cell radius, R

1 km

Coordination distance, D _c

350 m

User distribution

Uniform

Load distribution

Symmetric

MIMO parameters

Number of transmit antennas, N _T

2

Number of receive antennas, N _R

4

Channel model

Carrier frequency

800 MHz

Reference distance

100 m

Path loss exponent

3.7

Shadowing model

Log-normal

Shadowing variance

10 dB

Fading

Narrowband, Rayleigh

Power Allocation

Transmitted power of each MS

23 dBm

Scheduling

Algorithm

Proportional fair (PF)

Fairness time window

10 TTIs