Design and simulation of an adaptive filter in MIMO-PLC system

In recent years, much attention has been paid to multiple-input-multiple-output (MIMO) signal processing in power line communication (PLC), to increase channel capacity and anti-interference ability. In this study, an adaptive filter was designed to reduce the influence of interference and bit error rate in MIMO-PLC random channel. This filter was set in the receiving port of a 3×4 MIMO-PLC system. The bit error rate before and after adding filter was analyzed and compared. Results show that the filter provides a remarkable performance gain on bit error rate in this 3×4 MIMO-PLC system.