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    • 1. 发明授权
    • Method and system for customized full ephemeris compatible with standard AGPS network devices
    • 与标准AGPS网络设备兼容的定制完整星历的方法和系统
    • US07986267B2
    • 2011-07-26
    • US12250329
    • 2008-10-13
    • Manuel del CastilloAndrei KosolobovJavier de Salas Lasagabaster
    • Manuel del CastilloAndrei KosolobovJavier de Salas Lasagabaster
    • G01S19/09G01S19/42G01S19/25
    • G01S19/27G01S19/05G01S19/258
    • Aspects of a method and system for customized full ephemeris compatible with standard AGPS network devices allows a GPS enabled handset to receive real-time full ephemeris from an AGPS server for calculating a position fix. The real-time full ephemeris may be generated at the AGPS server in response to one or more request for real-time full ephemeris from the GPS enabled handset. The AGPS server may be configured to provide fresh full ephemeris generated at smaller intervals such as every 10-15 minutes as approximated real-time full ephemeris. The generated real-time full ephemeris or fresh full ephemeris may be communicated to the GPS enabled handset periodically or aperiodically. Various predicted real-time full ephemeris or predicted fresh full ephemeris compatible with various standards may be generated via Short Term Orbits (STO) technology.
    • 用于与标准AGPS网络设备兼容的定制完整星历表的方法和系统的方面允许GPS支持的手持机从AGPS服务器接收实时完整星历以计算定位。 响应于来自GPS启用手机的一次或多次实时完整星历表的请求,可以在AGPS服务器处生成实时完整星历。 AGPS服务器可以被配置为提供以较小的间隔产生的新的完整星历,例如每近10-15分钟作为近似的实时完整星历。 生成的实时完整星历或新鲜的完整星历可以周期性地或不定期地传送给支持GPS的手机。 通过短期轨道(STO)技术可以产生各种预测的实时完整星历或预测与各种标准兼容的新鲜完整星历。
    • 4. 发明申请
    • METHOD AND SYSTEM FOR MOBILE DEVICE BASED GNSS POSITION COMPUTATION WITHOUT EPHEMERIS DATA
    • 用于基于移动设备的GNSS位置计算的方法和系统,无需EPHEMERIS数据
    • US20110148700A1
    • 2011-06-23
    • US12754715
    • 2010-04-06
    • Javier de Salas LasagabasterFrank van Diggelen
    • Javier de Salas LasagabasterFrank van Diggelen
    • G01S19/25
    • G01S19/25G01S19/06
    • A GNSS enabled mobile device receives GNSS assistance data comprising acquisition assistance data, from an A-GNSS server and calculates a relative GNSS position using the receive acquisition assistance data and a local code delay measurement, without using ephemeris data. The received GNSS assistance data comprises an approximate position, acquisition assistance data, satellite almanac data, and/or satellite azimuth and elevation fields, but no ephemeris data. The A-GNSS server calculates corresponding acquisition assistance data at a current time instant and/or one or more future time instants for the approximate position. The satellite azimuth and elevation fields are calculated using local GNSS measurements together with the acquisition assistance data in the received GNSS assistance data are used to calculate the relative GNSS position, which is added to the approximate position to generate an actual GNSS position.
    • 支持GNSS的移动设备从A-GNSS服务器接收包括获取辅助数据的GNSS辅助数据,并使用接收获取辅助数据和本地码延迟测量来计算相对GNSS位置,而不使用星历数据。 所接收的GNSS辅助数据包括近似位置,获取辅助数据,卫星历书数据和/或卫星方位角和仰角,但不包括星历数据。 A-GNSS服务器在当前时刻和/或一个或多个未来时间时刻计算相应的获取辅助数据以用于近似位置。 使用本地GNSS测量计算卫星方位角和仰角场,并将接收到的GNSS辅助数据中的获取辅助数据用于计算相对GNSS位置,该位置被添加到近似位置以产生实际的GNSS位置。