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    • 1. 发明申请
    • SYSTEM AND METHOD FOR SINGLE SENSOR GEOLOCATION
    • 单传感器系统与方法
    • US20110230206A1
    • 2011-09-22
    • US13118898
    • 2011-05-31
    • Joseph P. Kennedy, JR.John Peter Carlson
    • Joseph P. Kennedy, JR.John Peter Carlson
    • H04W64/00
    • H04W64/00G01S5/0252G01S5/14
    • A system and method for determining a position of a wireless mobile device. The method comprising the steps of providing one base station in communication with the mobile device, providing a sensor spaced apart a known distance from the base station, and determining the range between the mobile device and the base station. The time of arrival of a signal transmitted from the mobile device is measured at the sensor and a set of coordinates is calculated for the mobile device relative to the sensor as a function of the known distance from the sensor to the base station, the range between the mobile device and the base station, an estimate of base station transmission timing relative to a time source, and the time of arrival. One of the set of coordinates may then be chosen to thereby determine a position of the mobile device relative to the sensor.
    • 一种用于确定无线移动设备的位置的系统和方法。 该方法包括以下步骤:提供与移动设备通信的一个基站,提供与基站间隔开已知距离的传感器,以及确定移动设备与基站之间的距离。 在传感器处测量从移动设备发送的信号的到达时间,并且针对移动设备相对于传感器计算一组坐标作为从传感器到基站的已知距离的函数, 移动设备和基站,相对于时间源的基站传输定时的估计以及到达时间。 然后可以选择坐标系中的一个,从而确定移动设备相对于传感器的位置。
    • 2. 发明申请
    • System and Method of Operation For Network Overlay Geolocation System With Repeaters
    • 具有中继器的网络覆盖地理位置系统和操作方法
    • US20110034122A1
    • 2011-02-10
    • US12900215
    • 2010-10-07
    • Joseph P. Kennedy, JR.John Peter CarlsonThomas B. GravelyAndrew Beck
    • Joseph P. Kennedy, JR.John Peter CarlsonThomas B. GravelyAndrew Beck
    • H04B7/14
    • H04W64/00
    • A novel system and method for a network overlay geolocation system operating in a host wireless communication system with repeaters is disclosed. Embodiments of the novel system and method enable wireless communication system to determine if signals being received by system receivers arrive directly from a target mobile appliance or if the signals are passing through a repeater. The system's determination may be based at least in part on the TA of the signal, the power of the received signal, the power of the transmitted signal, the hearability of the signal at system receivers, the hearability of system transmitters at the mobile and the known delays associated with the repeaters. Embodiments of the novel system and method provide a more accurate geolocation of mobiles served by repeater stations than capable in the prior art.
    • 公开了一种在具有中继器的主机无线通信系统中操作的网络覆盖地理位置系统的新型系统和方法。 新颖的系统和方法的实施例使得无线通信系统能够确定系统接收器正在接收的信号是否直接从目标移动设备到达,或者信号是否通过中继器。 系统的确定可以至少部分地基于信号的TA,接收信号的功率,发射信号的功率,系统接收机处的信号的可听性,移动台处的系统发射机的可听性以及 与中继器相关的已知延迟。 新型系统和方法的实施例提供了比现有技术中能力更好的由中继站服务的移动台的地理定位。