Research Article

Dynamic Beamforming for Three-Dimensional MIMO Technique in LTE-Advanced Networks

Table 1

Simulation configuration parameters.

Parameters Assumptions

Cell type Macro cell
Cellular layout 19 cells, each with 3 sectors
Sector radius 288 m, 500 m
Bandwidth 5 M
Channel model WINNER II
Shadowing standard deviation 8 dB
Antenna number Transmitter: 2Tx, Receiver: 2Rx
Antenna configuration Co-polarized linear array
Antenna spacing Transmitter: 0.5 , Receiver: 0.5
Number of elevation element 2
Regular antenna gain 14 dBi
Downtilt angle 8°, 10°, 12°, 14°
BS max TX power 46 dBm
BS height 25 m
UE height 1.5 m
UE distribution Uniformly distributed
UE numbers 10 UEs per sector
UE speed 3 km/h
Initial UE access criterion Access by location
Scheduler Proportional fair
CQI reporting interval 5 ms
Delay for scheduling and AMC 5 ms
Receiver MMSE
Traffic model Full buffer