MODIFYING A SIGNAL BY CONTROLLING TRANSMIT DIVERSITY PARAMETERS
    41.
    发明申请
    MODIFYING A SIGNAL BY CONTROLLING TRANSMIT DIVERSITY PARAMETERS 有权
    通过控制发射多样性参数修改信号

    公开(公告)号:US20120183089A1

    公开(公告)日:2012-07-19

    申请号:US13430400

    申请日:2012-03-26

    IPC分类号: H04B7/02 H04L27/04

    摘要: A method for modifying a signal transmitted from a mobile communication device comprising by perturbing a transmit diversity parameter from its nominal value by modulating the parameter with respect to the nominal value in a first direction for a first feedback interval and then in a second direction for a second feedback interval, receiving a feedback signal including feedback information relating to the perturbed signal as received at a feedback device, and based at least on the feedback information, adjusting the nominal value of the transmit diversity parameter by increasing, decreasing, or preserving the nominal value.

    摘要翻译: 一种用于修改从移动通信设备发送的信号的方法,包括:通过在第一反馈间隔的第一方向调制相对于所述标称值的参数,然后在第二方向上调制参数来扰乱发射分集参数的标称值 第二反馈间隔,接收包括与在反馈设备处接收到的扰动信号相关的反馈信息的反馈信号,并且至少基于反馈信息,通过增加,减少或保持标称值来调整发射分集参数的标称值 值。

    METHOD, APPARATUS AND SYSTEM FOR PROVIDING FEEDBACK TO A TRANSMIT DIVERSITY DEVICE
    42.
    发明申请
    METHOD, APPARATUS AND SYSTEM FOR PROVIDING FEEDBACK TO A TRANSMIT DIVERSITY DEVICE 有权
    用于向发送多个设备提供反馈的方法,装置和系统

    公开(公告)号:US20120114059A1

    公开(公告)日:2012-05-10

    申请号:US13351988

    申请日:2012-01-17

    IPC分类号: H04B7/02

    CPC分类号: H04B7/06 H04B7/0632 H04W24/00

    摘要: A method and system for improving closed loop feedback in transmit diversity communication. In one embodiment of the invention, a predetermined variation of one or more transmit diversity parameters is performed at the transmit transmitter. The receiver compares the transmit diversity parameter values of the received signals to the predetermined variation and transmits to the transmitter a value of a transmit diversity correction parameter. The transmitter may use this correction value to modify the transmit diversity parameter in a subsequent transmission.

    摘要翻译: 一种改善发射分集通信中闭环反馈的方法和系统。 在本发明的一个实施例中,在发射发射机处执行一个或多个发射分集参数的预定变化。 接收机将接收到的信号的发送分集参数值与预定变量进行比较,并向发送机发送发送分集校正参数的值。 发射机可以使用该校正值来修改后续传输中的发射分集参数。

    Method, system and apparatus for determining antenna weighting for transmit diversity
    44.
    发明授权
    Method, system and apparatus for determining antenna weighting for transmit diversity 有权
    用于确定发射分集的天线加权的方法,系统和装置

    公开(公告)号:US08009096B2

    公开(公告)日:2011-08-30

    申请号:US12706583

    申请日:2010-02-16

    IPC分类号: H01Q3/00 H04B7/00

    CPC分类号: H01Q3/26

    摘要: A method, system and apparatus for determining at least one relative characteristic of a transmit diversity transmitter based on at least one quality indicator based on signals received on the plurality of antennas. In some embodiments of the invention, the relative characteristic may be a relative power or amplitude ratio and/or a phase difference between the signals transmitted on the different antennas.

    摘要翻译: 一种用于基于在所述多个天线上接收的信号基于至少一个质量指示符来确定发射分集发射机的至少一个相对特性的方法,系统和装置。 在本发明的一些实施例中,相对特性可以是在不同天线上传输的信号之间的相对功率或振幅比和/或相位差。

    SYSTEM AND METHOD FOR ADAPTIVE BEAMFORMING FOR SPECIFIC ABSORPTION RATE CONTROL
    45.
    发明申请
    SYSTEM AND METHOD FOR ADAPTIVE BEAMFORMING FOR SPECIFIC ABSORPTION RATE CONTROL 有权
    用于特定吸收率控制的自适应光束的系统和方法

    公开(公告)号:US20110059706A1

    公开(公告)日:2011-03-10

    申请号:US12876977

    申请日:2010-09-07

    IPC分类号: H04B17/00

    摘要: A system may include a modifiable mobile device having at least two antennas coupled to fractional amplifiers, with returned power detectors. A beamformer unit provides adaptive beam shaping pattern, and a baseband processor provides beam pattern requirements, wherein the beamformer unit modifies the beam pattern requirements with return loss sampling information to shape the adaptive beam pattern so that a transmitted beam pattern minimizes transmitted power reflected back to the mobile device. A method may include regularly measuring a return power level, if output power is greater than a specific absorption rate level, comparing the return power level to a first threshold, else implementing mobile transmit diversity (MTD), and repeating. If the return power level is greater than the first threshold, implementing a MTD combined with reflection-based beamforming that modifies beam pattern requirements of the mobile device with return loss sampling information to create an adaptive beam pattern.

    摘要翻译: 系统可以包括具有耦合到分数放大器的至少两个天线的可修改移动设备,其具有返回的功率检测器。 波束形成器单元提供自适应波束整形模式,并且基带处理器提供波束图案要求,其中波束形成器单元利用回波损耗采样信息来修改波束图案要求,以形成自适应波束图案,使得发射波束图案将发射功率最小化,反射回到 移动设备。 方法可以包括如果输出功率大于特定吸收率水平,则将定时测量返回功率水平,将返回功率水平与第一阈值进行比较,否则实现移动发射分集(MTD)并重复。 如果返回功率水平大于第一阈值,则实施MTD结合基于反射的波束成形,其通过返回损耗采样信息修改移动设备的波束图案要求,以创建自适应波束图案。

    Method, system and apparatus for phase control of transmit diversity signals
    46.
    发明授权
    Method, system and apparatus for phase control of transmit diversity signals 有权
    用于发射分集信号相位控制的方法,系统和装置

    公开(公告)号:US07869535B2

    公开(公告)日:2011-01-11

    申请号:US11711643

    申请日:2007-02-28

    IPC分类号: H04B7/02 H04L1/02

    CPC分类号: H04B7/0682

    摘要: Embodiments of the present invention include a method and apparatus for modifying a transmit diversity signal by control of at least a relative parameter, for example, phase difference, in a first signal relative to at least one second signal using various switching modules or techniques. In some embodiments of the invention, the relative difference may be controlled by switching paths, or producing various degrees of relative difference by switching, activating or controlling multiple elements with various resolutions of the relative parameter, or by connecting elements by timing of switches.

    摘要翻译: 本发明的实施例包括一种用于通过使用各种切换模块或技术相对于至少一个第二信号在第一信号中至少控制相对参数(例如相位差)来修改发射分集信号的方法和装置。 在本发明的一些实施例中,可以通过切换路径来控制相对差异,或者通过切换,激活或控制具有相对参数的各种分辨率的多个元件或者通过开关的定时连接元件来产生各种程度的相对差异。

    Method, system and apparatus for determining antenna weighting for transmit diversity
    47.
    发明申请
    Method, system and apparatus for determining antenna weighting for transmit diversity 有权
    用于确定发射分集的天线加权的方法,系统和装置

    公开(公告)号:US20080150801A1

    公开(公告)日:2008-06-26

    申请号:US12003509

    申请日:2007-12-26

    IPC分类号: H01Q3/00

    CPC分类号: H01Q3/26

    摘要: A method, system and apparatus for determining at least one relative characteristic of a transmit diversity transmitter based on at least one quality indicator based on signals received on the plurality of antennas. In some embodiments of the invention, the relative characteristic may be a relative power or amplitude ratio and/or a phase difference between the signals transmitted on the different antennas.

    摘要翻译: 一种用于基于在所述多个天线上接收的信号基于至少一个质量指示符来确定发射分集发射机的至少一个相对特性的方法,系统和装置。 在本发明的一些实施例中,相对特性可以是在不同天线上传输的信号之间的相对功率或振幅比和/或相位差。