Estimating the location of a wireless terminal based on signal path impairment
    1.
    发明授权
    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:US08565786B2

    公开(公告)日:2013-10-22

    申请号:US13551957

    申请日:2012-07-18

    IPC分类号: H04W24/00

    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。

    Location determination using RF fingerprinting
    3.
    发明授权
    Location determination using RF fingerprinting 有权
    使用RF指纹识别的位置确定

    公开(公告)号:US08068855B2

    公开(公告)日:2011-11-29

    申请号:US12782500

    申请日:2010-05-18

    IPC分类号: H04W24/00

    CPC分类号: H04W64/00 G01S5/0252

    摘要: A method for determining the location of a mobile unit (MU) in a wireless communication system and presenting it to a remote party. The location of a remote MU is determined by comparing a snapshot of a predefined portion of the radio-frequency (RF) spectrum taken by the MU to a reference database containing multiple snapshots taken at various locations. The result of the comparison is used to determine if the MU is at a specific location. The comparison may be made in the MU, or at some other location situated remotely from the MU. In the latter case, sufficient information regarding the captured fingerprint is transmitted from the MU to the remote location. The database may be pre-compiled or generated on-line.

    摘要翻译: 一种用于确定无线通信系统中的移动单元(MU)的位置并将其呈现给远程方的方法。 通过将MU拍摄的射频(RF)频谱的预定义部分的快照与包含在不同位置处拍摄的多个快照的参考数据库进行比较来确定远程MU的位置。 比较结果用于确定MU是否在特定位置。 可以在MU或远离MU的其他位置进行比较。 在后一种情况下,关于捕获的指纹的足够的信息从MU发送到远程位置。 数据库可以在线预编译或生成。

    COMBINED IN-STORE AND FUEL CENTER POINT-OF-SALE SYSTEM
    4.
    发明申请
    COMBINED IN-STORE AND FUEL CENTER POINT-OF-SALE SYSTEM 有权
    组合的存储和燃料中心点销售系统

    公开(公告)号:US20090150244A1

    公开(公告)日:2009-06-11

    申请号:US12342385

    申请日:2008-12-23

    IPC分类号: G06Q30/00

    摘要: A combined in-store and fuel center point-of-sale system having a first point-of-sale system, having a checkout manager and one or more checkout terminals, and a second point-of-sale system, having a fuel center and one or more fuel pumps, in communication with each other and with one or more primary databases containing marketing data, consumer data, customer data, master sales data, discount data, and merchandise product data, for generating a fuel discount at the second point-of-sale system based on first purchasing activity at the first point-of-sale system and/or second purchasing activity at said second point-of-sale system. The fuel discount is maintained for each customer in one of said primary databases and is based on a total purchase of products, a total purchase of product units, a total purchase amount of a product type, time period for total purchase of products, or a tiered spending amount.

    摘要翻译: 具有第一销售点系统的组合的店内和燃料中心销售点系统,具有结帐管理器和一个或多个结账终端,以及具有燃料中心和第二销售点系统的第二销售点系统, 一个或多个燃料泵,彼此通信,以及一个或多个主要数据库,其包含营销数据,消费者数据,客户数据,主销售数据,折扣数据和商品产品数据,用于在第二点处产生燃料折扣, 所述销售系统基于所述第一销售点系统的第一购买活动和/或所述第二销售点系统的第二购买活动。 其中一个主要数据库中的每个客户维持燃料折扣,并且基于产品的总购买,产品单元的总购买量,产品类型的总购买量,总购买产品的时间段 分层支出金额。

    Location Estimation of Wireless Terminals Through Pattern Matching of Signal-Strength Differentials
    5.
    发明申请
    Location Estimation of Wireless Terminals Through Pattern Matching of Signal-Strength Differentials 有权
    通过信号强度差分模式匹配对无线终端的位置估计

    公开(公告)号:US20080299995A1

    公开(公告)日:2008-12-04

    申请号:US12191772

    申请日:2008-08-14

    IPC分类号: H04Q7/20

    CPC分类号: H04W64/00 G01S5/0252

    摘要: A method of estimating the location of a wireless terminal is disclosed that is ideally suited for use with legacy systems. The illustrative embodiment of the present invention is based on the observation that the signal strength of a signal from a transmitter is different at some locations, and, therefore, the location of a wireless terminal can be estimated by comparing the signal strength it currently observes against a map or database that correlates locations to signal strengths. For example, if a particular radio station is known to be received well at a first location and poorly at a second location, and a given wireless terminal at an unknown location is receiving the radio station poorly, it is more likely that the wireless terminal is at the second location than it is at the first location.

    摘要翻译: 公开了一种估计无线终端的位置的方法,其理想地适合于与传统系统一起使用。 本发明的说明性实施例基于以下观察:来自发射机的信号的信号强度在某些位置不同,因此无线终端的位置可以通过将当前观察到的信号强度与 将位置与信号强度相关联的地图或数据库。 例如,如果已知在第一位置处良好地接收特定的无线电台并且在第二位置处不良地接收到特定的无线电台,并且在未知位置处的给定的无线终端正在接收无线电台,那么无线终端更可能是 在第二个位置比它在第一个位置。

    Computationally-Efficient Estimation of the Location of a Wireless Terminal Based on Pattern Matching
    6.
    发明申请
    Computationally-Efficient Estimation of the Location of a Wireless Terminal Based on Pattern Matching 审中-公开
    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:US20080299993A1

    公开(公告)日:2008-12-04

    申请号:US12191777

    申请日:2008-08-14

    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。

    Location estimation of wireless terminals through pattern matching of signal-strength differentials
    7.
    发明授权
    Location estimation of wireless terminals through pattern matching of signal-strength differentials 有权
    通过信号强度差异的模式匹配对无线终端的位置估计

    公开(公告)号:US07460505B2

    公开(公告)日:2008-12-02

    申请号:US10357645

    申请日:2003-02-04

    IPC分类号: H04Q7/00

    CPC分类号: H04W64/00 G01S5/0252

    摘要: A method of estimating the location of a wireless terminal is disclosed that is ideally suited for use with legacy systems. The illustrative embodiment of the present invention is based on the observation that the signal strength of a signal from a transmitter is different at some locations, and, therefore, the location of a wireless terminal can be estimated by comparing the signal strength it currently observes against a map or database that correlates locations to signal strengths. For example, if a particular radio station is known to be received well at a first location and poorly at a second location, and a given wireless terminal at an unknown location is receiving the radio station poorly, it is more likely that the wireless terminal is at the second location than it is at the first location.

    摘要翻译: 公开了一种估计无线终端的位置的方法,其理想地适合于与传统系统一起使用。 本发明的说明性实施例基于以下观察:来自发射机的信号的信号强度在某些位置不同,因此无线终端的位置可以通过将当前观察到的信号强度与 将位置与信号强度相关联的地图或数据库。 例如,如果已知在第一位置处良好地接收特定的无线电台并且在第二位置处不良地接收到特定的无线电台,并且在未知位置处的给定的无线终端正在接收无线电台,那么无线终端更可能是 在第二个位置比它在第一个位置。

    Estimating the Location of a Wireless Terminal Based on Non-Uniform Probabilities of Movement
    8.
    发明授权
    Estimating the Location of a Wireless Terminal Based on Non-Uniform Probabilities of Movement 有权
    基于不均匀运动概率估计无线终端的位置

    公开(公告)号:US07257414B2

    公开(公告)日:2007-08-14

    申请号:US11419645

    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。

    Location estimation of wireless terminals based on combinations of signal strength measurements and geometry-of-arrival measurements
    9.
    发明授权
    Location estimation of wireless terminals based on combinations of signal strength measurements and geometry-of-arrival measurements 有权
    基于信号强度测量和到达几率测量的组合的无线终端的位置估计

    公开(公告)号:US07233799B2

    公开(公告)日:2007-06-19

    申请号:US10751790

    申请日:2004-01-05

    IPC分类号: H04Q7/20

    CPC分类号: H04W64/00

    摘要: A method and apparatus for estimating the location of a wireless terminal are disclosed. The location of the wireless terminal is estimated based on one or more signal strength measurements in conjunction with: (i) one or more angle-of-arrival measurements, (ii) one or more time-of-arrival measurements, or (iii) a combination of (i) and (ii). At each measurement time, the illustrative embodiment (a) determines the candidate locations for the wireless terminal, (b) computes a measurement likelihood function for any signal strength measurements that are available at that time, (c) computes a measurement likelihood function for any geometry-of-arrival measurements that are available at that time, (d) computes a joint likelihood function for all measurements available at that time, and (e) updates the location probability distribution for the wireless terminal with the joint measurement likelihood function. Estimates of the location of the wireless terminal are obtained from the location probability distribution.

    摘要翻译: 公开了一种用于估计无线终端的位置的方法和装置。 无线终端的位置是基于一个或多个信号强度测量来估计的,结合:(i)一个或多个到达角度测量,(ii)一个或多个到达时间测量值,或(iii) (i)和(ii)的组合。 在每个测量时间,说明性实施例(a)确定无线终端的候选位置,(b)计算当时可获得的任何信号强度测量的测量似然函数,(c)计算任何 当时可用的几何到达测量,(d)计算当时可用的所有测量的联合似然函数,以及(e)用联合测量似然函数更新无线终端的位置概率分布。 从位置概率分布中获得无线终端位置的估计。

    Navigating through websites and like information sources
    10.
    发明申请
    Navigating through websites and like information sources 审中-公开
    浏览网站和信息来源

    公开(公告)号:US20070067317A1

    公开(公告)日:2007-03-22

    申请号:US10554031

    申请日:2004-04-23

    申请人: David Stevenson

    发明人: David Stevenson

    IPC分类号: G06F7/00

    CPC分类号: G06F16/954

    摘要: An interactive/electronic guide for allowing navigation around a group of electronic documents, such as on internet or in an intranet site or such like, the guide being operable automatically to present a plurality of topic identifiers together with an indication of the importance of the topics identified within a site. Each topic is user selectable. Selection of a given topic provides access to information on that topic. Preferably, the guide also provides information about multiple sites that are potentially related by content as well as an indication of a degree of similarity in content between such multiple sites.

    摘要翻译: 一种互动/电子指南,用于允许在诸如互联网或内部网站点等的一组电子文档之间导航,该指南可自动地操作以呈现多个主题标识符以及主题的重要性的指示 在网站内识别。 每个主题都是用户可选择的。 选择给定的主题可以访问有关该主题的信息。 优选地,该指南还提供关于可能与内容有关的多个站点的信息,以及这些多个站点之间的内容的相似程度的指示。