TRANSMIT POWER BALANCING OF ANTENNA BRANCHES IN A MULTI-ANTENNA SYSTEM

摘要

There is provided a method for transmit power balancing of antenna branches in a multi-antenna system, the multi-antenna system having at least two antenna branches. The method comprises performing (S1) transmissions with at least two different transmit power configurations of the antenna branches of the multi-antenna system. The method also comprises collecting (S2) feedback information from at least one wireless device and/or information representative of communication performance of the multi-antenna system in response to the transmissions with at least two different transmit power configurations. The method comprises detecting (S3) a transmit power difference between at least two of the antenna branches based on the collected information. The method further comprises reallocating (S4) transmit power between antenna branches based on the detected transmit power difference.