专利名称：CALIBRATION COUPLEING UNIT, CCU, AND
A METHOD THEREIN FOR ENABLINGCALIBRATION OF BASE STATION
发明人：Chunhui Zhang,Fredrik Huss,Youping Su申请号：US14407429申请日：20120612
公开号：US20150111504A1公开日：20150423
专利附图：
摘要：A Calibration Coupling Unit, CCU, and a method therein for enabling calibrationof a Base Station are provided. The CCU comprises an Antenna Interface Standards
Group, AISG, interface and the CCU is connected to the Base Station by means of radiobranch feeder cables carrying uplink and downlink transmissions to/from the BaseStation. The Base Station comprises a Radio Unit, RU, and a Base Band Unit, BBU, and theCCU is further connectable to an antenna array comprising antenna elements. Themethod in the CCU comprises receiving () at least one calibration signal from the RU on atleast one radio branch feeder cable of the CCU; and converting () the calibration signal toa receiving frequency band of the RU. The method further comprises providing () theconverted signal to the RU via at least one of the radio branch feeder cables, therebyenabling calibration of the Base Station.
申请人：Chunhui Zhang,Fredrik Huss,Youping Su
地址：Taby SE,Sundbyberg SE,Beijing CN
国籍：SE,SE,CN
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