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    • 4. 发明申请
    • TRAJECTORY MATCHING USING AMBIENT SIGNALS
    • TRAJECTORY匹配使用环境信号
    • US20150308839A1
    • 2015-10-29
    • US14571166
    • 2014-12-15
    • Samsung Electronics Co., Ltd.
    • Yifei JIANGKoichi MORIShalinder S. SIDHU
    • G01C21/32
    • G01C21/32G01C21/206G01S19/12
    • A technique to automatically determine a shape of a path based on crowdsourced trajectory data is disclosed. Trajectory data is collected for a plurality of crowdsourced paths. The trajectory data for each of the plurality of crowdsourced paths is associated with at least one uniquely identifiable ambient signal. Anchor points may be identified corresponding to a transition in a characteristic of trajectory data of an individual crowdsourced path. Matching may be performed based on analyzing matching patterns of anchor points and evaluating the matches. Various embodiments involve using a linked node structure to represent one or more traces and/or indicate routes in a particular geographical area.
    • 公开了一种基于众包轨迹数据自动确定路径形状的技术。 针对多个众包路径收集轨迹数据。 多个众包路径中的每一个的轨迹数据与至少一个唯一可识别的环境信号相关联。 锚定点可以被识别为对应于个体众包路径的轨迹数据的特征的转变。 可以基于分析锚点的匹配模式并评估匹配来执行匹配。 各种实施例涉及使用链接的节点结构来表示一个或多个跟踪和/或指示特定地理区域中的路由。
    • 5. 发明授权
    • Mobile autonomous surveillance
    • 移动自主监控
    • US09117371B2
    • 2015-08-25
    • US13530991
    • 2012-06-22
    • Jeffrey L. Hutchings
    • Jeffrey L. Hutchings
    • B60Q1/00G08G1/0967G08G1/00G08B25/00G08G1/16
    • G08B25/10G01S19/12G08B25/009G08G1/096741G08G1/096791G08G1/162G08G1/205H04N5/772H04N7/18
    • Various embodiments relate to creating and utilizing a vehicle surveillance network to monitor objects and/or events. Messages may be broadcasted from at least one communication system of a surveillance network which is communicating with one or more vehicles of the surveillance network and received in a vehicle. Instructions may be transmitted to at least one vehicle camera to capture one or more images of objects or events outside of the vehicle in response to receiving the at least one broadcasted message. At least one vehicle camera in each of the vehicles of the surveillance network may capture the images of the object and/or events. Further instructions may include transmitting the captured images from the one or more vehicles to one or more event responders.
    • 各种实施例涉及创建和利用车辆监控网络来监视物体和/或事件。 消息可以从与监视网络的一个或多个车辆通信并被接收在车辆中的监视网络的至少一个通信系统广播。 响应于接收到所述至少一个广播消息,可以向至少一个车辆照相机发送指令以捕获车辆外部的对象或事件的一个或多个图像。 监视网络的每个车辆中的至少一个车辆摄像机可以捕获物体和/或事件的图像。 进一步的指令可以包括将所捕获的图像从一个或多个车辆发送到一个或多个事件响应者。
    • 7. 发明申请
    • WIRELESS COMMUNICATION SYSTEM AND TIME SYNCHRONIZATION METHOD OF THE SAME
    • 无线通信系统及其同步时间同步方法
    • US20140015711A1
    • 2014-01-16
    • US13545664
    • 2012-07-10
    • Shi-Xian YANGWei-Sheng YANG
    • Shi-Xian YANGWei-Sheng YANG
    • H04B1/7075G01S19/43
    • G01S19/12G01S5/0045G01S19/256H04B1/7075
    • A wireless communication system having a time synchronization mechanism is provided. The wireless communication system comprises a first receiver and a second receiver. The first receiver tracks a code phase data of a satellite to generate a synchronization data related to a sync phase position and a first receiver phase position corresponding to one of first receiver time pulses. The second receiver comprises a receiving unit, a tracking unit and a computing unit. The receiving unit receives the synchronization data from the first receiver through a network. The tracking unit tracks the code phase data of the satellite to obtain a second receiver phase position corresponding to one of second receiver time pulses. The computing unit performs a time synchronization process with the first receiver and the satellite according to the code phase data, the synchronization data and the second receiver phase position.
    • 提供了具有时间同步机制的无线通信系统。 无线通信系统包括第一接收机和第二接收机。 第一接收器跟踪卫星的码相位数据,以产生与同步相位位置相关的同步数据和对应于第一接收机时间脉冲之一的第一接收机相位置。 第二接收机包括接收单元,跟踪单元和计算单元。 接收单元通过网络从第一接收机接收同步数据。 跟踪单元跟踪卫星的码相位数据,以获得对应于第二接收机时间脉冲之一的第二接收机相位置。 计算单元根据码相位数据,同步数据和第二接收机相位位置与第一接收机和卫星进行时间同步处理。
    • 8. 发明授权
    • Satellite (GPS) assisted clock apparatus, circuits, systems and processes for cellular terminals on asynchronous networks
    • 用于异步网络上的蜂窝终端的卫星(GPS)辅助时钟设备,电路,系统和过程
    • US08249616B2
    • 2012-08-21
    • US11844006
    • 2007-08-23
    • Joergen BoejerAlain VallauriIlyas Berk Guvelioglu
    • Joergen BoejerAlain VallauriIlyas Berk Guvelioglu
    • H04Q7/20
    • G01S19/12G01S19/09G01S19/235G01S2205/008H04B7/18532
    • A wireless circuit (1100, 1190) for tracking an incoming signal and for use in a network (2000) having handover from one part (Cell A) of the network to another part (Cell B). The wireless circuit includes a processor (CE 1100) responsive to the incoming signal, the processor (CE 1100) operable to generate pulse edges representing network-based receiver synchronization instances (RSIs), and a timekeeping circuitry (2420, 2430, 2450) including an oscillator circuitry (2162), the timekeeping circuitry (2420, 2430) operable to maintain a set of counter circuitries (2422-2428) including a counter circuitry (2422) operable to maintain at least one network time component based on the RSIs and another counter circuitry (2428) operable at least during handover and during loss of network coverage for maintaining at least one internal time component (NC) based on the oscillator circuitry (2162), the set of counter circuitries (2422-2428) operable to account for elapsing time substantially gaplessly and substantially without overlap between the time components during a composite of network coverage, loss of network coverage and handover, and the timekeeping circuitry further including a time generator (2450) for combining the time components from the set of counter circuitries (2422-2428) to generate an approximate absolute time (SGTB). Other electronic circuits, positioning systems, methods of operation, and processes of manufacture are also disclosed and claimed.
    • 一种用于跟踪输入信号并用于具有从网络的一部分(小区A)到另一部分(小区B)的切换的网络(2000)中使用的无线电路(1100,1190)。 无线电路包括响应于输入信号的处理器(CE 1100),处理器(CE 1100)可操作以产生表示基于网络的接收机同步实例(RSI)的脉冲边缘,以及计时电路(2420,2430,2450),包括 振荡器电路(2162),所述计时电路(2420,2430)可操作以维持包括计数器电路(2422)的一组计数器电路(2422-2428),所述计数器电路可操作以基于所述RSI和另一个维护至少一个网络时间分量 计数器电路(2428)可操作至少在切换期间和在网络覆盖的丢失期间,用于基于振荡器电路(2162)维持至少一个内部时间分量(NC),该组计数器电路(2422-2428)可操作以解决 在网络覆盖的复合,网络覆盖和切换的丢失以及计时电路f之间的时间分量之间基本上无间隙地且基本上没有重叠的时间间隔 还包括用于组合来自所述一组计数器电路(2422-2428)的时间分量以产生近似绝对时间(SGTB)的时间发生器(2450)。 其他电子电路,定位系统,操作方法和制造方法也被公开并要求保护。
    • 10. 发明授权
    • Method and apparatus for enhancing signal-to-noise ratio of position location measurements
    • 提高位置测量的信噪比的方法和装置
    • US07920544B2
    • 2011-04-05
    • US11120411
    • 2005-05-02
    • Samir S. SolimanPeter Gaal
    • Samir S. SolimanPeter Gaal
    • H04J3/06H04W24/00H04B7/00H04B1/00
    • H04B7/2687G01S1/042G01S5/0226G01S19/12G01S19/46H04W64/00
    • A method and apparatus for generating and use of a position location reference signal that allows a receiver to receive position location signals from relatively weak signal generators when in the presence of a strong signal source. The position location reference signals from multiple sources can be synchronized to occur within a scheduled time slot of a time division multiplexed communication system. During the scheduled time slot, each signal source can configure a transmission that includes a media access control address that corresponds to a value reserved for position location signals. Each signal source also configures the transmission to include a position location reference signal that corresponds to the signal source. The position location signals from each of the signal sources is positioned to occur at a time within the data portion of the scheduled time slot that no neighboring signal source transmits its corresponding position location signal.
    • 一种用于产生和使用位置定位参考信号的方法和装置,其允许接收机在存在强信号源时从相对较弱的信号发生器接收位置信号。 来自多个源的位置定位参考信号可以被同步在时分复用通信系统的调度时隙内。 在调度时隙期间,每个信号源可以配置包括对应于为位置定位信号保留的值的媒体访问控制地址的传输。 每个信号源还将传输配置为包括对应于信号源的位置定位参考信号。 来自每个信号源的位置信号定位成在调度时隙的数据部分内的某个时刻发生,没有相邻信号源发送其对应的位置信号。