Estimating the Location of a Wireless Terminal Based on the Traits of the Multipath Components of a Signal
    1.
    发明申请
    Estimating the Location of a Wireless Terminal Based on the Traits of the Multipath Components of a Signal 有权
    基于信号多路径分量的特征估计无线终端的位置

    公开(公告)号:US20060240845A1

    公开(公告)日:2006-10-26

    申请号:US11419654

    申请日:2006-05-22

    IPC分类号: H04Q7/20

    摘要: A technique for estimating the location of a wireless terminal at an unknown location in a geographic region is disclosed. The technique is based on the recognition that there are traits of electromagnetic signals that are dependent on topography, the receiver, the location of the transmitter, and other factors. For example, if a particular radio station is known to be received strongly at a first location and weakly at a second location, and a given wireless terminal at an unknown location is receiving the radio station weakly, it is more likely that the wireless terminal is at the second location than at the first location.

    摘要翻译: 公开了一种用于估计地理区域中的未知位置处的无线终端的位置的技术。 该技术基于认识到存在依赖于地形,接收机,发射机的位置等因素的电磁信号的特征。 例如,如果已知特定的无线电台在第一位置被强烈地接收并且在第二位置处较弱地接收,并且在未知位置的给定的无线终端较弱地接收无线电台,那么无线终端更有可能是 在第二个位置比在第一个位置。

    Estimating the Location of a Wireless Terminal Based on Signal Path Impairment
    2.
    发明申请
    Estimating the Location of a Wireless Terminal Based on Signal Path Impairment 有权
    基于信号路径损伤估计无线终端的位置

    公开(公告)号:US20060240846A1

    公开(公告)日:2006-10-26

    申请号:US11419657

    申请日:2006-05-22

    IPC分类号: H04Q7/20

    摘要: A technique for estimating the location of a wireless terminal at an unknown location in a geographic region is disclosed. The technique is based on the recognition that there are traits of electromagnetic signals that are dependent on topography, the receiver, the location of the transmitter, and other factors. For example, if a particular radio station is known to be received strongly at a first location and weakly at a second location, and a given wireless terminal at an unknown location is receiving the radio station weakly, it is more likely that the wireless terminal is at the second location than at the first location.

    摘要翻译: 公开了一种用于估计地理区域中的未知位置处的无线终端的位置的技术。 该技术基于认识到存在依赖于地形,接收机,发射机的位置等因素的电磁信号的特征。 例如,如果已知特定的无线电台在第一位置被强烈地接收并且在第二位置处较弱地接收,并且在未知位置的给定的无线终端较弱地接收无线电台,那么无线终端更有可能是 在第二个位置比在第一个位置。

    Shapable antenna beams for cellular networks

    公开(公告)号:US20060194617A1

    公开(公告)日:2006-08-31

    申请号:US11351302

    申请日:2006-02-09

    IPC分类号: H04M1/00

    CPC分类号: H04W16/00 H04W16/24

    摘要: Systems and methods are disclosed which provide aggressively sculpted or shaped antenna beams, such as sector antenna beams, for use in communication networks. Preferred embodiments use passive antenna feed networks, preferably configured as personality modules, which are adapted for corresponding topological and morphological features. Preferred embodiment feed networks may be coupled to linear or curvilinear antenna arrays to provide antenna beams having a desired contour. Using the disclosed systems and methods path loss variance is minimized for improved system capacity and/or signal quality. Moreover, the disclosed systems and methods provide for reduced average transmission power levels further allowing increased capacity and/or signal quality.

    Computationally-Efficient Estimation of the Location of a Wireless Terminal Based on Pattern Matching
    4.
    发明申请
    Computationally-Efficient Estimation of the Location of a Wireless Terminal Based on Pattern Matching 有权
    基于模式匹配的无线终端位置的计算有效估计

    公开(公告)号:US20060240844A1

    公开(公告)日:2006-10-26

    申请号:US11419652

    申请日:2006-05-22

    IPC分类号: H04Q7/20

    摘要: A method of using a non-GPS-derived technique to estimate the location of an Assisted-GPS-enabled wireless terminal for the purposes of generating location-specific assistance data for the wireless terminal is disclosed. The wireless terminal then uses the assistance data to acquire and process one or more GPS signals and to derive information that is probative of the wireless terminal's location. The GPS-derived location information is then combined with non-GPS-derived location to form an estimate of the location of the wireless terminal that is better than can be derived from either alone. This combination of GPS-derived and non-GPS techniques is particularly useful when the wireless terminal can only acquire one or two GPS signals because it is not possible to determine the location of the wireless terminal with only two GPS signals alone.

    摘要翻译: 公开了一种使用非GPS导出技术估计辅助GPS功能的无线终端的位置,以便为无线终端生成位置特定辅助数据的目的。 然后,无线终端使用辅助数据来获取和处理一个或多个GPS信号,并且导出证明无线终端的位置的信息。 然后将GPS导出的位置信息与非GPS导出的位置相结合,以形成无线终端位置的估计,该估计优于单独导出的。 当无线终端只能获取一个或两个GPS信号时,GPS导出和非GPS技术的这种组合是特别有用的,因为不可能仅仅使用两个GPS信号来确定无线终端的位置。