Table 1 CoMP system simulation parameters

Cell number

19

Cooperation cell number

2

User number in each cell

30

Carrier/system bandwidth

2 GHz/10 MHz

Subcarrier number

600

Resource

48

Resource reserved for CoMP

12

Channel model [18]

6-ray GSM Typical Urban

User speed

3 km/h

Receiving antennas at user

2

Transmission antennas at BS

2

Transmission layer

1

Adjustment factor set

[-2, -0.2, 0.2, 2]

Precoding codebook [18]

[0.7071, 0.7071]^T, [0.7071, -0.7071]^T

[0.7071, 0.7071j]^T, [0.7071, -0.7071j]^T

Perturbation vector set

[-0.4575+0.1523j, -0.2208-0.2132j,

-0.9519-0.0905j, -0.8973+0.0509j,

0.6140-0.6249j, 0.5435-0.7813j,

-0.0398-0.2900j, 0.4324-0.0734j]