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    • 4. 发明专利
    • Method for detecting navigation beacon signals using two antennas or equivalent thereof
    • 使用两个天线或其等效物检测导航信标信号的方法
    • JP2013047684A
    • 2013-03-07
    • JP2012219358
    • 2012-10-01
    • Qualcomm Incクゥアルコム・インコーポレイテッドQualcomm Incorporated
    • WENGLER MICHAEL JAMESAHMAD JALALI
    • G01S19/27G01S7/02G01S19/11
    • G01S19/21G01S5/0215G01S19/36G01S2013/466H04B7/0854
    • PROBLEM TO BE SOLVED: To provide a method for detecting navigation beacon signals that enhance accuracy of position determination.SOLUTION: A plurality of navigation beacon signals 21, 22 and 23 are detected by using either two antennas 11 and 12 or a synthetic aperture antenna and combining a plurality of distinct measurements using a plurality of antenna weight components to form an interference cancellation beam. In one embodiment, the plurality of antenna weight components are determined by eigenvalue processing. In another embodiment, the plurality of antenna weight components are determined by simplified processing. In another aspect, a single antenna is used for receiving an originally received measurement. A copy of the originally received measurement is created and processed to achieve a proper time delay to emulate spatial diversity. The originally received measurement and the processed copy are combined to form an interference cancellation beam.
    • 要解决的问题:提供一种用于检测提高位置确定的精度的导航信标信号的方法。 解决方案:通过使用两个天线11和12或合成孔径天线来检测多个导航信标信号21,22和23,并且使用多个天线权重分量组合多个不同的测量以形成干扰消除 光束。 在一个实施例中,多个天线权重分量由特征值处理确定。 在另一个实施例中,通过简化的处理来确定多个天线权重分量。 在另一方面,单个天线用于接收原始接收的测量。 创建并处理最初接收的测量的副本以实现适当的时间延迟以模拟空间分集。 原始接收的测量和处理的拷贝被组合以形成干扰消除波束。 版权所有(C)2013,JPO&INPIT