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    • 9. 发明申请
    • HYBRID TIMING FOR A GNSS RECEIVER
    • GNSS接收机的混合时序
    • WO2016109777A2
    • 2016-07-07
    • PCT/US2015068241
    • 2015-12-31
    • IPOSI INC
    • KURBY CHRISTOPHER NEIL
    • H04L7/0025H03L1/00H04L7/0012H04L43/16
    • Synchronization of a time base at a local clock to a reference time. Initially, correction data (e.g., synchronization data) may be derived from packet data received over an asynchronous packet-switched network (e.g., the internet). Correction data derived from the packet data may be used to correct at least a portion of the time base (e.g., a frequency component). In turn, once the time base is corrected (e.g., to better than a predetermined quality threshold), the source of synchronization data may change to an alternate (e.g., more accurate source) such as positioning signals from a positioning system. In this regard, the corrected time base may be used to assist in acquiring such positioning signals to allow for higher accuracy correction. Furthermore, use of the positioning system may allow for correction of a phase of the time base (e.g., to align the phase to the positioning system. In turn, an accurate time base may be utilized (e.g., for location determination using the positioning system) and/or other contexts such as a downstream communication operation. For instance, a device employing the synchronization techniques described herein may be an LTE base station used to facilitate downstream communication with another device by use of the synchronized time base.
    • 将本地时钟的时基同步到参考时间。 最初,可以从通过异步分组交换网络(例如,因特网)接收的分组数据导出校正数据(例如,同步数据)。 从分组数据导出的校正数据可以用于校正时基的至少一部分(例如,频率分量)。 反过来,一旦时基被校正(例如,比预定的质量阈值更好),同步数据源可以改变为例如来自定位系统的定位信号的替代(例如更准确的源)。 在这方面,校正的时基可以用于帮助获取这样的定位信号以允许更高的精度校正。 此外,使用定位系统可以允许对时基的相位进行校正(例如,将相位与定位系统对准),反过来,可以利用精确的时基(例如,使用定位系统进行位置确定 )和/或其他上下文(例如下游通信操作),例如,采用本文描述的同步技术的设备可以是用于通过使用同步时基来促进与另一设备的下游通信的LTE基站。
    • 10. 发明申请
    • HYBRID TIMING FOR A GNSS RECEIVER
    • WO2016109777A3
    • 2016-07-07
    • PCT/US2015/068241
    • 2015-12-31
    • IPOSI, INC.
    • KURBY, Christopher Neil
    • G01S19/25H04B1/7073
    • Synchronization of a time base at a local clock to a reference time. Initially, correction data (e.g., synchronization data) may be derived from packet data received over an asynchronous packet-switched network (e.g., the internet). Correction data derived from the packet data may be used to correct at least a portion of the time base (e.g., a frequency component). In turn, once the time base is corrected (e.g., to better than a predetermined quality threshold), the source of synchronization data may change to an alternate (e.g., more accurate source) such as positioning signals from a positioning system. In this regard, the corrected time base may be used to assist in acquiring such positioning signals to allow for higher accuracy correction. Furthermore, use of the positioning system may allow for correction of a phase of the time base (e.g., to align the phase to the positioning system. In turn, an accurate time base may be utilized (e.g., for location determination using the positioning system) and/or other contexts such as a downstream communication operation. For instance, a device employing the synchronization techniques described herein may be an LTE base station used to facilitate downstream communication with another device by use of the synchronized time base.