1. A network node of a wireless communication network configured to serve at least one cell by transmitting radio signals to the at least one cell and to wirelessly control at least one user equipment located in the at least one cell, comprising: means for receiving a trigger to transmit information, the information comprising a path gain value indicating imbalance between uplink and downlink of a link to the at least one user equipment, and means for transmitting the information to at least one further network node in response to the received trigger, wherein the further network node is configured to serve at least one further cell by transmitting radio signals to the at least one further cell, which is adjacent to the at least one cell.