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    • 39. 发明公开
    • METHOD AND DEVICE FOR ANTENNA CALIBRATION
    • VERFAHREN UND VORRICHTUNG ZUR KALIBRIERUNG VON ANTENNEN
    • EP2533360A1
    • 2012-12-12
    • EP11739342.1
    • 2011-01-31
    • China Academy of Telecommunications Technology
    • LI, ChuanjunSUN, Changguo
    • H01Q3/22
    • H01Q3/267
    • A method for antenna calibration is provided, which includes the following steps: obtaining an updated calibration period T_i after the last time of antenna calibration (S301), calculating a calibration sequence of each antenna channel in the calibration period T_i (S302); according to the calibration sequence of each antenna channel, calibrating each antenna based on the calibration period T_i, and calculating a calibration error parameter (S303); and according to the obtained calibration error parameter, updating the calibration period T_i, and using the updated calibration period T_i for the next time of antenna calibration (S304). The technical solutions provided in the present invention, can monitor difference variety of radio channels in real time by the calibration error parameter, and reflect the calibration precision in real time by the reported calibration error parameter. Moreover, the technical solutions provided in the present invention, can adjust the calibration period in real time according to the calibration error parameter, and timely execute rational antenna calibration according to the calibration precision status.
    • 提供了一种天线校准方法,包括以下步骤:在天线校准的最后一次(S301)之后获得更新的校准周期T_i,计算校准周期T_i中每个天线信道的校准序列(S302); 根据每个天线通道的校准顺序,基于校准周期T_i校准每个天线,并计算校准误差参数(S303); 并根据获得的校准误差参数,更新校准周期T_i,并使用更新后的校准周期T_i进行下一次天线校准(S304)。 本发明提供的技术方案可以通过校准误差参数实时监测无线电通道的差异,并通过报告的校准误差参数实时反映校准精度。 此外,本发明提供的技术方案可以根据校准误差参数实时调整校准周期,并根据校准精度状态及时执行有理天线校准。