作者: Youping Su , Chunhui Zhang , Fredrik Huss
DOI:
关键词: Signal 、 Calibration 、 Telecommunications link 、 Electrical engineering 、 Baseband 、 Electronic engineering 、 Antenna (radio) 、 Antenna array 、 Base station 、 Frequency band 、 Engineering
摘要: A Calibration Coupling Unit, CCU, and a method therein for enabling calibration of Base Station are provided.The CCU comprises an Antenna Interface Standards Group, AISG, interface the is connected to by means radio branch feeder cables carrying uplink downlink transmissions to/from Station. The Radio RU, Band BBU, further connectable antenna array comprising elements. in receiving (110) at least one signal from RU on cable CCU; converting (130) frequency band RU. providing (140) converted via cables, thereby