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    • 23. 发明授权
    • Method and apparatus for updating femtocell proximity information
    • 用于更新毫微微小区邻近信息的方法和装置
    • US08923892B2
    • 2014-12-30
    • US13106725
    • 2011-05-12
    • Yan ZhouDamanjit SinghFarhad MeshkatiMehmet Yavuz
    • Yan ZhouDamanjit SinghFarhad MeshkatiMehmet Yavuz
    • H04W24/00H04W36/00H04W84/04H04W64/00H04W8/00
    • H04W36/0083H04W8/005H04W64/00H04W84/045
    • Techniques are described herein for updating proximity information associated with a femtocell in a wireless communication system. An example of a method described herein includes identifying a location within a wireless communication network, associating the location with a femtocell for which proximity information relating to position of the femtocell is maintained, performing at least one search for the femtocell, and updating the proximity information maintained for the femtocell based on results of the at least one search. Another example of a method described herein includes obtaining a report of proximity information relating to a femtocell, identifying one or more network devices for which the proximity information is relevant, and communicating proximity information update signaling to the one or more network devices.
    • 这里描述了用于在无线通信系统中更新与毫微微小区相关联的邻近信息的技术。 本文描述的方法的示例包括识别无线通信网络内的位置,将位置与维持与毫微微蜂窝基站的位置有关的接近信息的毫微微小区相关联,对毫微微蜂窝进行至少一次搜索,并更新邻近信息 基于至少一次搜索的结果为毫微微小区维护。 本文描述的方法的另一示例包括获得与毫微微小区有关的邻近信息的报告,识别接近信息相关的一个或多个网络设备,以及向邻近信息更新信令传送一个或多个网络设备。
    • 24. 发明授权
    • Real-time measurement/display/record/playback of wavefront data for use in vision correction procedures
    • 用于视力矫正程序的波前数据的实时测量/显示/记录/播放
    • US08820929B2
    • 2014-09-02
    • US13034648
    • 2011-02-24
    • William SheaBrad NordstromBrad ChewYan Zhou
    • William SheaBrad NordstromBrad ChewYan Zhou
    • A61B3/10A61B3/14A61B3/00A61B3/103A61F9/007A61B3/15
    • A61B3/1015A61B3/0058A61B3/1035A61B3/145A61B3/152A61F9/007
    • One embodiment is an apparatus/system for providing feedback to a procedure. The apparatus includes a real time wavefront sensor for measuring the wavefront of an optical beam, a real time video camera for capturing a scene where the optical beam comes from, a computer for processing the captured wavefront data and synchronizing the data with the video and outputting the synchronized information to a display, and a display for simultaneously displaying the synchronized wavefront and video information. Another embodiment of the present invention is a method for providing feedback to a procedure. The method involves the steps of measuring the wavefront of an optical beam with a real time wavefront sensor; capturing a video of a scene from which the optical beam comes; processing the captured wavefront data and synchronizing it with the video; and simultaneously displaying the wavefront information with the video on the same display screen.
    • 一个实施例是用于向程序提供反馈的装置/系统。 该装置包括用于测量光束波前的实时波前传感器,用于捕获光束来自场景的实时摄像机,用于处理所捕获的波前数据并使数据与视频同步并输出的计算机 与显示器的同步信息,以及用于同时显示同步波阵面和视频信息的显示器。 本发明的另一个实施例是一种向程序提供反馈的方法。 该方法包括用实时波前传感器测量光束的波前的步骤; 捕获来自光束的场景的视频; 处理捕获的波前数据并与视频同步; 并同时在同一显示屏上显示带有视频的波前信息。
    • 27. 发明授权
    • Subscriber line interface circuit with intra-operational state selectable supply
    • 用户线接口电路,具有工作状态可选择供电
    • US08467520B2
    • 2013-06-18
    • US12910782
    • 2010-10-23
    • Yan ZhouSean A. LofthouseJonathan C. Grigsby
    • Yan ZhouSean A. LofthouseJonathan C. Grigsby
    • H04M1/00
    • H02M3/33561Y10T307/25
    • A method of generating a plurality of supply voltages for a plurality of subscriber line channels includes generating a first target VBAT value for a first associated linefeed driver from a first VBAT control. A second target VBAT value for a second associated linefeed driver is generated from a second VBAT control. A selected target VBAT value is generated based upon the first and second target VBAT values. A magnitude of the selected target VBAT value is not less than any maximum of a magnitude of the first and second target VBAT values. A switching regulator is controlled to provide a first generated VBAT corresponding to the selected target VBAT value, wherein the switching regulator provides a second generated VBAT having a pre-determined proportional relationship (p) to the first generated VBAT.
    • 为多个用户线路信道产生多个电源电压的方法包括从第一VBAT控制产生用于第一相关联的线路馈送驱动器的第一目标VBAT值。 从第二VBAT控制产生用于第二相关联的线路馈送驱动器的第二目标VBAT值。 基于第一和第二目标VBAT值生成所选择的目标VBAT值。 所选择的目标VBAT值的大小不小于第一和第二目标VBAT值的大小的任何最大值。 控制开关调节器以提供对应于所选择的目标VBAT值的第一生成VBAT,其中开关调节器提供具有与第一生成VBAT的预定比例关系(p)的第二生成VBAT。
    • 30. 发明授权
    • Signal and noise power estimation
    • 信号和噪声功率估计
    • US08379706B2
    • 2013-02-19
    • US12510484
    • 2009-07-28
    • Yan ZhouJibing Wang
    • Yan ZhouJibing Wang
    • H04B3/46
    • H04L25/0248H04B7/0413H04B17/336H04L5/0048H04L25/0204H04L27/2647
    • Techniques for estimating desired signal power and noise power of a signal received over a communications channel. In an aspect, a pilot autocorrelation matrix is derived based on certain assumptions about the time delay profile, Doppler profile, and/or spatial correlation of the channel. The pilot autocorrelation matrix is decomposed into a set of eigenvectors. From the eigenvector decomposition, a set of dominant eigenvectors is selected to estimate the signal power, while a set of non-dominant eigenvectors is selected to estimate the noise power. The techniques may readily be applied to arbitrary pilot patterns and to a wide array of SNR ranges and channel conditions.
    • 用于估计通过通信信道接收的信号的期望信号功率和噪声功率的技术。 在一方面,基于关于信道的时间延迟分布,多普勒分布和/或空间相关性的某些假设导出导频自相关矩阵。 导频自相关矩阵被分解为一组特征向量。 从特征向量分解中,选择一组主要特征向量来估计信号功率,同时选择一组非显性特征向量来估计噪声功率。 这些技术可以容易地应用于任意导频模式和宽范围的SNR范围和信道条件。