System, method and apparatus for mobile transmit diversity using symmetric phase difference
    1.
    发明授权
    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分集的系统,方法和装置

    公开(公告)号:US08634495B2

    公开(公告)日:2014-01-21

    申请号:US13589511

    申请日:2012-08-20

    IPC分类号: H04L27/00

    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
    2.
    发明授权
    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分集的系统,方法和装置

    公开(公告)号:US08249187B2

    公开(公告)日:2012-08-21

    申请号:US12766725

    申请日:2010-04-23

    IPC分类号: H04L27/00

    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
    3.
    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, METHOD AND APPARATUS FOR MOBILE TRANSMIT DIVERSITY USING SYMMETRIC PHASE DIFFERENCE
    4.
    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。

    METHOD AND DEVICE FOR PHASE ADJUSTMENT BASED ON CLOSED-LOOP DIVERSITY FEEDBACK
    5.
    发明申请
    METHOD AND DEVICE FOR PHASE ADJUSTMENT BASED ON CLOSED-LOOP DIVERSITY FEEDBACK 有权
    用于基于闭环多样性反馈的相位调整的方法和装置

    公开(公告)号:US20120208468A1

    公开(公告)日:2012-08-16

    申请号:US13398598

    申请日:2012-02-16

    IPC分类号: H04B7/06 H04W24/00

    摘要: A mobile communications method, device, and system for adjusting a phase parameter in a diversity signal, based at least in part on phase feedback from a base station. While in uplink communication with a base station, a mobile device may receive a phase feedback signal from the base station. The mobile device may calculate a modified value of a phase parameter based on the phase feedback signal in order to transmit diversity signals with a gradual change in phase difference. The modified value may be between a phase parameter value indicated by the base station's phase feedback signal and a phase parameter value initially transmitted by the mobile device.

    摘要翻译: 至少部分地基于来自基站的相位反馈来调整分集信号中的相位参数的移动通信方法,设备和系统。 在与基站的上行链路通信中,移动设备可以从基站接收相位反馈信号。 移动设备可以基于相位反馈信号来计算相位参数的修改值,以便以逐渐变化的相位差发送分集信号。 修正值可以在由基站的相位反馈信号指示的相位参数值和由移动设备最初发送的相位参数值之间。

    Method and device for phase adjustment based on closed-loop diversity feedback
    6.
    发明授权
    Method and device for phase adjustment based on closed-loop diversity feedback 有权
    基于闭环分集反馈的相位调整方法和装置

    公开(公告)号:US08849222B2

    公开(公告)日:2014-09-30

    申请号:US13398598

    申请日:2012-02-16

    IPC分类号: H03C7/02 H04B7/06

    摘要: A mobile communications method, device, and system for adjusting a phase parameter in a diversity signal, based at least in part on phase feedback from a base station. While in uplink communication with a base station, a mobile device may receive a phase feedback signal from the base station. The mobile device may calculate a modified value of a phase parameter based on the phase feedback signal in order to transmit diversity signals with a gradual change in phase difference. The modified value may be between a phase parameter value indicated by the base station's phase feedback signal and a phase parameter value initially transmitted by the mobile device.

    摘要翻译: 至少部分地基于来自基站的相位反馈来调整分集信号中的相位参数的移动通信方法,设备和系统。 在与基站的上行链路通信中,移动设备可以从基站接收相位反馈信号。 移动设备可以基于相位反馈信号来计算相位参数的修改值,以便以逐渐变化的相位差发送分集信号。 修正值可以在由基站的相位反馈信号指示的相位参数值和由移动设备最初发送的相位参数值之间。

    Method, system and apparatus using multiple feedbacks for uplink closed-loop beamforming
    7.
    发明授权
    Method, system and apparatus using multiple feedbacks for uplink closed-loop beamforming 有权
    使用多个反馈的上行链路闭环波束成形的方法,系统和装置

    公开(公告)号:US08903319B2

    公开(公告)日:2014-12-02

    申请号:US13371248

    申请日:2012-02-10

    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
    10.
    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。