METHODS BASE STATION SYSTEM RADIO UNIT AND RADIO HEAD OF A WIRELESS COMMUNICATION NETWORK FOR INCREASING SIGNAL QUALITY OF SIGNALS SENT FROM THE RADIO HEAD TO THE RADIO UNIT

摘要

Disclosed is a method performed by a base station system of a wireless communication network for increasing signal quality of signals sent from a radio head RH (21) to a radio unit RU (10) over a metallic conductor (40). The base station system comprising a baseband unit BBU (40) the RU and the RH and the RU is connected to the RH via the metallic conductor. The method comprises at the RH amplifying (102) by an amplification unit a signal to be transmitted from the RH to the RU changing (104) the signal amplification level of the amplification unit; and transmitting (108) the amplified signal to the RU. The method further comprises at the RU receiving (114) the amplified signal and compensating (116) by a compensating unit capable of adapting its amplification level for the change in signal amplification level performed at the RH such that the strength of the signal is transparent to the base station system.