Table 1: Simulation parameters.

Parameters Assumptions

No. of eNB antennas 8
No. of UE antennas 2
Transmission mode 2, 3, 7, and 8
Bandwidth 20 MHz
Channel reciprocity Ideal
Uplink and downlink configuration 1
Special subframe configuration 7
MCS selection scheme 10% initial BLER
Fast HARQ scheme Chase combining
Traffic model Full buffer
Channel estimation Ideal
Detection algorithm MMSE
Scenario Urban macro
Channel model SCME and IMT-A
UE speed 3 km/h, 30 km/h and 120 km/h