METHOD, SYSTEM AND APPARATUS USING MULTIPLE FEEDBACKS FOR UPLINK CLOSED-LOOP BEAMFORMING
    1.
    发明申请
    METHOD, SYSTEM AND APPARATUS USING MULTIPLE FEEDBACKS FOR UPLINK CLOSED-LOOP BEAMFORMING 有权
    使用多个反馈进行UPLINK闭环光束的方法,系统和设备

    公开(公告)号:US20120208467A1

    公开(公告)日:2012-08-16

    申请号:US13371248

    申请日:2012-02-10

    IPC分类号: H04B7/02 H04B1/02 H03C7/02

    摘要: A method, apparatus, and system for transmitting and controlling uplink diversity signals in a mobile communication device. While in a soft handoff situation, a mobile communications device may receive a phase feedback signal from a non-serving base station. The mobile device may calculate a modified phase parameter based on the phase feedback signal from the non-serving base station in order to minimize interference with the non-serving base station, for example, by calculating a modified value of a phase difference in a direction opposite to the direction desired by the non-serving base station. In some embodiments of the invention, the mobile device may determine whether to calculate the modified phase parameter in a direction opposite to the direction indicated by the phase feedback signal of the non-serving base station based on a comparison of power feedback signals received from the non-serving and serving base stations.

    摘要翻译: 一种用于在移动通信设备中发送和控制上行链路分集信号的方法,装置和系统。 在软切换情况下,移动通信设备可以从非服务基站接收相位反馈信号。 移动设备可以基于来自非服务基站的相位反馈信号来计算修改的相位参数,以便最小化对非服务基站的干扰,例如,通过计算方向上的相位差的修改值 与非服务基站所期望的方向相反。 在本发明的一些实施例中,移动设备可以基于从所述非服务基站接收的功率反馈信号的比较来确定是否在与非服务基站的相位反馈信号所指示的方向相反的方向上计算修改的相位参数 非服务和服务基站。

    METHOD, APPARATUS AND SYSTEM FOR PROVIDING FEEDBACK TO A TRANSMIT DIVERSITY DEVICE
    2.
    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, APPARATUS AND SYSTEM FOR PROVIDING FEEDBACK TO A TRANSMIT DIVERSITY DEVICE
    4.
    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:US20110211648A1

    公开(公告)日:2011-09-01

    申请号:US13102288

    申请日:2011-05-06

    IPC分类号: H04W4/00

    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 diversity 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,在发射分集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。

    SYSTEM, METHOD AND APPARATUS FOR MOBILE TRANSMIT DIVERSITY USING SYMMETRIC PHASE DIFFERENCE
    5.
    发明申请
    SYSTEM, METHOD AND APPARATUS FOR MOBILE TRANSMIT DIVERSITY USING SYMMETRIC PHASE DIFFERENCE 有权
    使用对称相位差的移动发射多样性的系统,方法和装置

    公开(公告)号:US20100266063A1

    公开(公告)日:2010-10-21

    申请号:US12766725

    申请日:2010-04-23

    IPC分类号: H04B7/02 H04B7/00

    摘要: Communication is performed for a first communication device having a set of antenna elements. A quality-indication signal is received from a second communication device (e.g., a basestation). A complex weighting is calculated based on the quality-indication signal. A pre-transmission signal is modified based on the complex transmit diversity weighting to produce a set of modified-pre-transmission signals, wherein the modifications are symmetric by making approximately half the magnitude of the transmit diversity modification to one signal in a first direction, and approximately half the magnitude of the transmit diversity modification to the other signal in a second direction, opposite the first direction. Each modified pre-transmission signal from the set of modified-pre-transmission signals is uniquely associated with an antenna element from the set of antenna elements. The set of modified-pre-transmission signals is sent from the set of antenna elements to produce a transmitted signal.

    摘要翻译: 对具有一组天线元件的第一通信设备执行通信。 从第二通信设备(例如,基站)接收质量指示信号。 基于质量指示信号计算复数加权。 基于复合发射分集加权来修改预发射信号以产生一组修改预传输信号,其中通过使发射分集修改的大致一半在一个第一方向上的一个信号,所述修改是对称的, 以及在与第一方向相反的第二方向上的另一信号的发射分集修改的大约一半的幅度。 来自修改后的预传输信号的每个经修改的预发射信号与天线元件集合中的天线元件唯一地相关联。 经修改的预传输信号的集合从天线元件组发送以产生发射信号。

    SYSTEM, METHOD AND APPARATUS FOR MOBILE TRANSMIT DIVERSITY USING SYMMETRIC PHASE DIFFERENCE
    6.
    发明申请
    SYSTEM, METHOD AND APPARATUS FOR MOBILE TRANSMIT DIVERSITY USING SYMMETRIC PHASE DIFFERENCE 有权
    使用对称相位差的移动发射多样性的系统,方法和装置

    公开(公告)号:US20120314612A1

    公开(公告)日:2012-12-13

    申请号:US13589511

    申请日:2012-08-20

    IPC分类号: H04L29/06 H04W24/00

    摘要: Communication is performed for a first communication device having a set of antenna elements. A quality-indication signal is received from a second communication device (e.g., a basestation). A complex weighting is calculated based on the quality-indication signal. A pre-transmission signal is modified based on the complex transmit diversity weighting to produce a set of modified-pre-transmission signals, wherein the modifications are symmetric by making approximately half the magnitude of the transmit diversity modification to one signal in a first direction, and approximately half the magnitude of the transmit diversity modification to the other signal in a second direction, opposite the first direction. Each modified pre-transmission signal from the set of modified-pre-transmission signals is uniquely associated with an antenna element from the set of antenna elements. The set of modified-pre-transmission signals is sent from the set of antenna elements to produce a transmitted signal.

    摘要翻译: 对具有一组天线元件的第一通信设备执行通信。 从第二通信设备(例如,基站)接收质量指示信号。 基于质量指示信号计算复数加权。 基于复合发射分集加权来修改预发射信号以产生一组修改预传输信号,其中通过使发射分集修改的大致一半在一个第一方向上的一个信号,所述修改是对称的, 以及在与第一方向相反的第二方向上的另一信号的发射分集修改的大约一半的幅度。 来自修改后的预传输信号的每个经修改的预发射信号与天线元件集合中的天线元件唯一地相关联。 经修改的预传输信号的集合从天线元件组发送以产生发射信号。

    SYSTEM AND METHOD FOR ADAPTIVE BEAMFORMING FOR SPECIFIC ABSORPTION RATE CONTROL
    7.
    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 DETERMINING ANTENNA WEIGHTING FOR TRANSMIT DIVERSITY
    8.
    发明申请
    METHOD, SYSTEM AND APPARATUS FOR DETERMINING ANTENNA WEIGHTING FOR TRANSMIT DIVERSITY 有权
    用于确定发射多样性的天线称重的方法,系统和装置

    公开(公告)号:US20100141528A1

    公开(公告)日:2010-06-10

    申请号:US12706583

    申请日:2010-02-16

    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。

    SYSTEM, APPARATUS AND METHOD FOR INTRODUCING ANTENNA PATTERN VARIABILITY
    9.
    发明申请
    SYSTEM, APPARATUS AND METHOD FOR INTRODUCING ANTENNA PATTERN VARIABILITY 有权
    系统,装置和方法介绍天线图案的变异性

    公开(公告)号:US20090149139A1

    公开(公告)日:2009-06-11

    申请号:US12330133

    申请日:2008-12-08

    IPC分类号: H04B1/02 H04B17/00

    摘要: A device, system, and method for providing a transmit diversity device have a first antenna and a second antenna. The first antenna may have a first power transmission gain pattern, which may be non-uniform in a reference plane. The second antenna may have a second power transmission gain pattern, which may be non-uniform in a reference plane. The first and second antennae may be arranged with respect to each other such that a minimum power region of the first gain pattern overlaps a maximum power region of the second gain pattern in the reference plane. The transmit diversity device may also have a processor to receive a feedback parameter from a feedback device. The processor may produce a different transmit diversity parameter based on the feedback parameter for each of a first and second signals to be transmitted on the first and second antennae, respectively.

    摘要翻译: 用于提供发射分集设备的设备,系统和方法具有第一天线和第二天线。 第一天线可以具有在参考平面中可能不均匀的第一功率传输增益模式。 第二天线可以具有在参考平面中可能不均匀的第二功率传输增益模式。 第一和第二天线可以相对于彼此布置,使得第一增益图案的最小功率区域与参考平面中的第二增益图案的最大功率区域重叠。 发射分集设备还可以具有从反馈设备接收反馈参数的处理器。 处理器可以基于用于分别在第一和第二天线上发送的第一和第二信号中的每一个的反馈参数来产生不同的发射分集参数。