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    • 17. 发明授权
    • Determining points of interest of a mobile user
    • 确定移动用户的兴趣点
    • US08958822B2
    • 2015-02-17
    • US13269577
    • 2011-10-08
    • Sam Song LiangJun YangChenyu WangZhigang Liu
    • Sam Song LiangJun YangChenyu WangZhigang Liu
    • H04M3/42H04L29/06H04W24/00G08G1/123G06Q30/02H04W4/02
    • G06Q30/0269G06Q30/0251G06Q30/0255G06Q30/0261H04W4/02
    • Methods, systems and apparatus for tracking points of interest of a user of a mobile device are disclosed. One method includes determining points of interest of a user of a mobile device. The method includes obtaining user-related information, wherein the user-related information includes spatial information about the user, and determining at least one point of interest of the user based on the user-related information. Another embodiment includes an apparatus for determining points of interest of a user. For one embodiment, the apparatus is a mobile device. The mobile device is operative to obtain user-related information, wherein the user-related information comprising spatial information about the user, and the mobile device is operative to determine at least one point of interest of the user based on the user-related information.
    • 公开了用于跟踪移动设备的用户的兴趣点的方法,系统和装置。 一种方法包括确定移动设备的用户的兴趣点。 该方法包括获取用户相关信息,其中用户相关信息包括关于用户的空间信息,以及基于用户相关信息确定用户的至少一个兴趣点。 另一实施例包括用于确定用户兴趣点的装置。 对于一个实施例,该设备是移动设备。 移动设备可操作以获得用户相关信息,其中包括关于用户的空间信息的用户相关信息和移动设备可操作以基于用户相关信息来确定用户的至少一个兴趣点。
    • 20. 发明申请
    • AUTOMATIC FREQUENCY CONTROL METHODS AND APPARATUS
    • 自动频率控制方法和装置
    • US20140220919A1
    • 2014-08-07
    • US14347914
    • 2011-09-30
    • Jun YangYadunandana N RaoJing WangSan-Shan WangLi Xiao
    • Jun YangYadunandana N RaoJing WangSan-Shan WangLi Xiao
    • H03J7/02H04B1/16
    • H03J7/02H04B1/0028H04B1/16H04L27/16
    • Embodiments include Direct-Conversion Receiver (DCR) apparatus, and methods for performing automatic frequency control based on a received signal. An initial frequency offset value is selected from a lookup table and applied to the receiver's local oscillator. Digital samples are generated based on the received signal, and stored in a buffer in sequential order. A DC estimator performs multiple iterations of a DC component estimation process. The process includes iteratively applying an analysis window to more recently-stored, buffered samples, in order to identify a set of the buffered samples. Within the set of buffered samples, an intermediate value between the amplitudes of two samples is determined (e.g., samples having the largest and smallest amplitudes). Between at least some of the multiple iterations, the number of samples that defines the size of the analysis window is increased.
    • 实施例包括直接转换接收器(DCR)装置和基于接收信号进行自动频率控制的方法。 初始频率偏移值从查找表中选择并应用于接收机的本地振荡器。 数字样本是根据接收到的信号产生的,并按顺序存储在缓冲器中。 DC估计器执行DC分量估计过程的多次迭代。 该过程包括将分析窗口迭代地应用于最近存储的缓冲样本,以便识别一组缓冲样本。 在缓冲样本集合内,确定两个样本幅度之间的中间值(例如,具有最大和最小振幅的样本)。 在多个迭代中的至少一些之间,定义分析窗口的大小的样本数量增加。