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    • 5. 发明授权
    • Subscriber selective, area-based service control
    • 用户选择性,基于区域的服务控制
    • US08463297B2
    • 2013-06-11
    • US11965481
    • 2007-12-27
    • Jeffrey F. BullMatthew L. Ward
    • Jeffrey F. BullMatthew L. Ward
    • H04W24/00H04M11/04H04M3/493H04M1/00H04B7/00
    • H04W48/04H04W4/021
    • A method for use in controlling a mobile device's access to one or more wireless communications networks (WCNs) with an overlaid wireless location system (WLS) includes monitoring a set of one or more predefined signaling links of at least one WCN, and detecting an event associated with the mobile device. Next, using a low-accuracy location function of the WLS, the system determines that the mobile device is within a defined area of interest and is potentially within a defined quiet zone. Next, using a high-accuracy location function of the WLS, the system determines a precise geographic location of the mobile device and based thereon confirms that the mobile device is within the quiet zone or at least within an area of ambiguity around the quiet zone. Finally, the mobile device's access to the wireless communications network is limited, e.g., according to a pre-defined rule established by the carrier. This approach allows finer definition of the fenced area while also minimizing the load on the high-accuracy location function. The proximity threshold is preferably based on the accuracy of the underlying location technology.
    • 一种用于控制移动设备对具有覆盖的无线定位系统(WLS)的一个或多个无线通信网络(WCN)的访问的方法包括监视至少一个WCN的一个或多个预定信令链路的集合,并且检测事件 与移动设备相关联。 接下来,使用WLS的低精度定位功能,系统确定移动设备在定义的感兴趣区域内并且潜在地在定义的安静区域内。 接下来,使用WLS的高精度位置功能,系统确定移动设备的精确地理位置,并且基于此确认移动设备在安静区域内或至少在安静区域周围的模糊区域内。 最后,移动设备对无线通信网络的访问受到限制,例如,根据由载体建立的预定义规则。 这种方法可以更精细地定义围栏区域,同时最大限度地降低高精度定位功能的负担。 接近阈值优选地基于底层定位技术的准确性。
    • 10. 发明授权
    • Augmentation of commercial wireless location system (WLS) with moving and/or airborne sensors for enhanced location accuracy and use of real-time overhead imagery for identification of wireless device locations
    • 使用移动和/或机载传感器来增强商用无线定位系统(WLS),以提高定位精度,并使用实时开销图像来识别无线设备位置
    • US07427952B2
    • 2008-09-23
    • US11398782
    • 2006-04-06
    • Jeffrey F. BullRobert J. AndersonThomas Stephan GinterMatthew L. Ward
    • Jeffrey F. BullRobert J. AndersonThomas Stephan GinterMatthew L. Ward
    • G01S1/24G01S5/06G01S5/12
    • G01S5/0226G01C11/00G01S5/06
    • Mobile LMUs can be used in a Wireless Location System to provide detection coverage in areas lacking adequate receiver coverage. The mobile LMUs can be used to detect the radio frequency (RF) transmissions from wireless handsets and devices over a period of time to permit determination of their location. The mobile LMU's time, position, and velocity is calculated and transmitted to a SMLC along with any transmissions received from wireless devices. The SMLC analyzes and resolves the Doppler component of the wireless device while compensating for the Doppler component of the mobile LMU. The position and velocity of the wireless device can be compared with real-time imagery taken by the mobile LMU platform to accurately determine the location of the wireless device. To enhance the mobile LMU's ability to detect a signal of interest, which may be very weak and/or corrupted by noise, a process may be employed whereby the low power mobile terminals' signals are received at receiving sites and stored in memory. Then, a more powerful replica of the SOI is received at a later time from a network controller, or BTS, and this is employed to enhance the correlation processing of the SOI in memory.
    • 移动LMU可用于无线位置系统,以在缺乏足够的接收机覆盖的区域提供检测覆盖。 移动LMU可用于在一段时间内检测来自无线手机和设备的射频(RF)传输,以允许确定其位置。 计算移动LMU的时间,位置和速度并将其发送到SMLC以及从无线设备接收的任何传输。 SMLC分析并解决无线设备的多普勒分量,同时补偿移动LMU的多普勒分量。 无线设备的位置和速度可以与移动LMU平台拍摄的实时图像进行比较,以准确地确定无线设备的位置。 为了增强移动LMU检测感兴趣的信号(其可能非常弱和/或被噪声破坏)的能力,可以采用这样的过程,由此在接收站点接收低功率移动终端的信号并将其存储在存储器中。 然后,在后来从网络控制器或BTS接收更强大的SOI复制品,并且这被用于增强存储器中的SOI的相关处理。