SYSTEMS AND METHODS FOR GENERATING CALIBRATION DATA IN ACTIVE ANTENNA MODULES HAVING ANTENNA-SIDE FILTER ARRAYS THEREIN

    公开(公告)号:WO2022260949A1

    公开(公告)日:2022-12-15

    申请号:PCT/US2022/032149

    申请日:2022-06-03

    Abstract: A system for generating calibration data in an active antenna system (AAS) radio includes an array of directional couplers within a multi-channel transmit/receive signal path of the AAS radio, and a combiner network electrically coupled to the array of directional couplers. An array of filters is provided within the multi-channel transmit/receive signal path. The array of filters is electrically coupled to antenna-side terminals of the array of directional couplers. A plurality of pairs of transmitters and receivers are provided, which include a transmitter and a receiver that operate as a reference transmitter and a reference receiver, respectively. A removable routing network is provided, which is electrically coupled to antenna-side terminals of the array of filters, and is configured to feed back factory calibration signals (generated by the AAS radio during factory calibration) to antenna-side terminals of the array of filters. A multi-stage switch network is provided, which is electrically coupled to the reference transmitter, the reference receiver, the combiner network, and a factory calibration port of the routing network.

    IMPROVING AZIMUTH DETERMINATION ACCURACY USING MULTIPLE GNSS ANTENNAS
    3.
    发明申请
    IMPROVING AZIMUTH DETERMINATION ACCURACY USING MULTIPLE GNSS ANTENNAS 审中-公开
    用多个GNSS天线提高方位确定精度

    公开(公告)号:WO2017120304A1

    公开(公告)日:2017-07-13

    申请号:PCT/US2017/012293

    申请日:2017-01-05

    CPC classification number: G01S5/02

    Abstract: Aspects of the present disclosure may improve the accuracy of the known azimuth determination techniques by employing more than two GNSS antennas positioned on a base station antenna. Techniques may use one or more combinations of the GNSS antennas to determine an azimuth of the base station antenna, which serve to improve accuracy of an azimuth determination.

    Abstract translation: 通过采用位于基站天线上的多于两个GNSS天线,本公开的各方面可以提高已知方位确定技术的精确度。 技术可以使用GNSS天线的一个或多个组合来确定基站天线的方位角,其用于提高方位角确定的准确性。

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