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    • 57. 发明专利
    • Satellite positioning with assisted calculation
    • 卫星定位与辅助计算
    • JP2012255779A
    • 2012-12-27
    • JP2012124117
    • 2012-05-31
    • U-Blox Agユー‐ブロックス、アクチエンゲゼルシャフトU−Blox A.G.
    • ANDREW YULEIAN SIMMONSRICHARD HOULDSWORTH
    • G01S19/42
    • G01S19/27G01S19/09G01S19/23G01S19/421
    • PROBLEM TO BE SOLVED: To provide a method of calculating a position fix from satellite signal samples.SOLUTION: The method comprises: calculating a first position fix from a first set of samples; storing first reference information produced during the calculation of the first position fix in a memory; calculating a second position fix from a second set of samples; storing second reference information produced during the calculation of the second position fix in the memory; receiving a set of satellite signal samples generated by a receiver at a third time, or ranging measurements derived from such a set of satellite signal samples; and processing the set of samples or the ranging measurements to calculate a third position fix. The processing is assisted by the reference information produced during the calculation of the first and second position fixes.
    • 要解决的问题:提供一种从卫星信号样本计算定位的方法。 解决方案:该方法包括:从第一组样本计算第一定位; 将在计算第一定位时产生的第一参考信息存储在存储器中; 从第二组样本计算第二定位; 将在计算第二定位期间产生的第二参考信息存储在存储器中; 在第三时间接收由接收机生成的一组卫星信号样本,或从这样一组卫星信号样本得到的测距测量结果; 以及处理该组样本或测距测量值以计算第三定位。 处理由在计算第一和第二位置锁定期间产生的参考信息辅助。 版权所有(C)2013,JPO&INPIT