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    • 7. 发明申请
    • Method and apparatus for providing an integrated communications, navigation and surveillance satellite system
    • 用于提供综合通信,导航和监视卫星系统的方法和装置
    • US20060061506A1
    • 2006-03-23
    • US11205918
    • 2005-08-17
    • Timothy Murphy
    • Timothy Murphy
    • G01S5/14
    • H04B7/18552G01S19/00G01S19/07G01S19/38H04B7/18508
    • A system provides integrated communications, navigation and surveillance capabilities. The system includes a space segment having a plurality of satellites broadcasting multiple navigation signals and a communication signal. A user segment includes a user device that is operable to broadcast communication signals to the satellites and of using the navigation signals broadcast by the satellites to determine a position of the user device. The satellites are operable to receive the communication signals from the user device and determine a position of the user device based upon the received communication signals. The satellites broadcast one of the navigation signals and the communication signal at a same frequency. The navigation signal acts as a pilot tone for the system to acquire and synchronize the user device with the system.
    • 系统提供集成通信,导航和监控功能。 该系统包括具有广播多个导航信号的多个卫星和通信信号的空间段。 用户段包括可操作以向卫星广播通信信号并使用由卫星广播的导航信号来确定用户设备的位置的用户设备。 卫星可操作以从用户设备接收通信信号,并根据接收到的通信信号确定用户设备的位置。 卫星以相同的频率广播导航信号和通信信号之一。 导航信号用作导频音,用于系统获取和同步用户设备与系统。