Interference-Aware Receiver Design for MU-MIMO in LTE: Real-Time Performance Measurements
Multiuser (MU) MIMO is a promising technique to significantly increase the cell capacity in LTE systems. To tackle the MU interference, an interference-aware (IA) receiver design is employed. This paper evaluates the performance of both receivers in terms of throughput through real-time measurements carried out with the OpenAir Interface, an open-source hardware/software development platform created by EURECOM. The measurement results show that the IA receiver achieves significantly higher data rates compared to the IU receiver if the user has multiple receive antennas.
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