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    • 2. 发明授权
    • Method of reducing power consumption of a radio badge in a boundary detection localization system
    • 边界检测定位系统中减少无线电徽章功耗的方法
    • US08130103B2
    • 2012-03-06
    • US12427908
    • 2009-04-22
    • Polly HuangTsung-Han LinHao-Hua Chu
    • Polly HuangTsung-Han LinHao-Hua Chu
    • G08B13/14
    • G08B21/22G08B21/0261G08B21/0275
    • A method of reducing power consumption of a radio badge in a boundary detection localization system is disclosed, in which the radio badge is carried by a tracked target and performs location sampling communication with an infrastructure component of the localization system at the start and end of sampling time intervals such that positions of the radio badge can be estimated. The method includes: determining a velocity of the radio badge; estimating a critical time for the radio badge to reach a critical region through division in which a critical distance from an estimated position obtained at the end of a most recent sampling time interval to the critical region is the dividend, and the velocity of the radio badge is the divisor; and controlling the radio badge to perform location sampling communication with the infrastructure component of the localization system at the end of the critical time.
    • 公开了一种在边界检测定位系统中降低无线电徽章的功耗的方法,其中无线电徽章由跟踪目标承载,并在采样开始和结束时与定位系统的基础设施组件进行位置采样通信 可以估计无线电徽章的位置的时间间隔。 该方法包括:确定无线电徽章的速度; 估计无线电徽章通过划分到达关键区域的关键时间,其中从最近采样时间间隔结束时获得的估计位置到临界区域的临界距离是分红,无线电徽章的速度 是除数 并在关键时间结束时控制无线电徽章与定位系统的基础设施组件进行位置采样通信。
    • 4. 发明申请
    • INDOOR LOCALIZATION SYSTEM AND METHOD
    • 室内本地化系统和方法
    • US20100134356A1
    • 2010-06-03
    • US12472078
    • 2009-05-26
    • Polly HuangTsung-Han Lin
    • Polly HuangTsung-Han Lin
    • G01S3/02
    • G01S5/0252
    • An indoor localization method is implemented using an indoor localization system that includes beacons in an indoor space and each periodically transmitting a localization signal, a radio badge receiving the localization signals, and a host coupled to the beacons and the radio badge. The beacons transmit the localization signals asynchronously. The indoor localization method includes a training phase and a tracking phase. During the training phase, signal vectors are formed from the localization signals received by the radio badge, and a signal ID value is generated from the signal vectors. During the tracking phase, signal vectors are formed from the localization signals received by the radio badge at a current location. An estimated position of the radio badge is obtained using the signal vectors of the tracking phase and the signal ID values.
    • 使用室内定位系统实现室内定位方法,所述室内定位系统包括在室内空间中的信标,并且周期性地发送定位信号,接收定位信号的无线电徽章以及耦合到信标和无线电徽章的主机。 信标异步发送定位信号。 室内定位方法包括训练阶段和跟踪阶段。 在训练阶段期间,由无线电徽章接收的定位信号形成信号矢量,并从信号矢量生成信号ID值。 在跟踪阶段期间,信号矢量由当前位置处由无线电徽章接收的定位信号形成。 使用跟踪相位和信号ID值的信号矢量来获得无线电徽章的估计位置。
    • 5. 发明授权
    • Indoor localization system and method
    • 室内定位系统及方法
    • US08022876B2
    • 2011-09-20
    • US12472078
    • 2009-05-26
    • Polly HuangTsung-Han Lin
    • Polly HuangTsung-Han Lin
    • G01S3/02
    • G01S5/0252
    • An indoor localization method is implemented using an indoor localization system that includes beacons in an indoor space and each periodically transmitting a localization signal, a radio badge receiving the localization signals, and a host coupled to the beacons and the radio badge. The beacons transmit the localization signals asynchronously. The indoor localization method includes a training phase and a tracking phase. During the training phase, signal vectors are formed from the localization signals received by the radio badge, and a signal ID value is generated from the signal vectors. During the tracking phase, signal vectors are formed from the localization signals received by the radio badge at a current location. An estimated position of the radio badge is obtained using the signal vectors of the tracking phase and the signal ID values.
    • 使用室内定位系统实现室内定位方法,所述室内定位系统包括在室内空间中的信标,并且周期性地发送定位信号,接收定位信号的无线电徽章以及耦合到信标和无线电徽章的主机。 信标异步发送定位信号。 室内定位方法包括训练阶段和跟踪阶段。 在训练阶段期间,由无线电徽章接收的定位信号形成信号矢量,并从信号矢量生成信号ID值。 在跟踪阶段期间,信号矢量由当前位置处由无线电徽章接收的定位信号形成。 使用跟踪相位和信号ID值的信号矢量来获得无线电徽章的估计位置。
    • 6. 发明授权
    • Indoor localization system and method
    • 室内定位系统及方法
    • US08022875B2
    • 2011-09-20
    • US12472073
    • 2009-05-26
    • Polly HuangTsung-Han LinI-Hei Ng
    • Polly HuangTsung-Han LinI-Hei Ng
    • G01S3/02
    • G01S1/68G01S5/0252
    • An indoor localization method is implemented using an indoor localization system that includes beacons deployed in an indoor space and transmitting localization signals, and a radio badge for receiving the localization signals. The indoor localization method includes forming signal vectors from the localization signals received by the radio badge at each of predetermined locations in the indoor space, and generating a signal ID value from the signal vectors for each beacon from which the radio badge has received the localization signals. During a tracking phase, signal vectors are formed from the localization signals received by the radio badge at a current location. If the number of the signal ID values is smaller than the number of the signal vectors, the sum of the signal distances is normalized by the number of the signal ID values. An estimated position of the radio badge is obtained using the signal vectors and the signal ID values.
    • 使用室内定位系统实现室内定位方法,所述室内定位系统包括部署在室内空间中的信标并发送定位信号,以及用于接收定位信号的无线电徽章。 室内定位方法包括从室内空间中的每个预定位置处的无线电徽章接收的定位信号形成信号矢量,并且从无线电徽章已经从其接收到定位信号的每个信标的信号向量生成信号ID值 。 在跟踪阶段期间,信号矢量由当前位置处由无线电徽章接收的定位信号形成。 如果信号ID值的数量小于信号矢量的数量,则信号距离的和通过信号ID值的数量进行归一化。 使用信号矢量和信号ID值来获得无线电徽章的估计位置。
    • 9. 发明申请
    • INDOOR LOCALIZATION SYSTEM AND METHOD
    • 室内本地化系统和方法
    • US20100127935A1
    • 2010-05-27
    • US12472073
    • 2009-05-26
    • Polly HuangTsung-Han LinI-Hei Ng
    • Polly HuangTsung-Han LinI-Hei Ng
    • G01S3/02
    • G01S1/68G01S5/0252
    • An indoor localization method is implemented using an indoor localization system that includes beacons deployed in an indoor space and transmitting localization signals, and a radio badge for receiving the localization signals. The indoor localization method includes forming signal vectors from the localization signals received by the radio badge at each of predetermined locations in the indoor space, and generating a signal ID value from the signal vectors for each beacon from which the radio badge has received the localization signals. During a tracking phase, signal vectors are formed from the localization signals received by the radio badge at a current location. If the number of the signal ID values is smaller than the number of the signal vectors, the sum of the signal distances is normalized by the number of the signal ID values. An estimated position of the radio badge is obtained using the signal vectors and the signal ID values.
    • 使用室内定位系统实现室内定位方法,所述室内定位系统包括部署在室内空间中的信标并发送定位信号,以及用于接收定位信号的无线电徽章。 室内定位方法包括从室内空间中的每个预定位置处的无线电徽章接收的定位信号形成信号矢量,并且从无线电徽章已经从其接收到定位信号的每个信标的信号向量生成信号ID值 。 在跟踪阶段期间,信号矢量由当前位置处由无线电徽章接收的定位信号形成。 如果信号ID值的数量小于信号矢量的数量,则信号距离的和通过信号ID值的数量进行归一化。 使用信号矢量和信号ID值来获得无线电徽章的估计位置。