Method, system and apparatus using multiple feedbacks for uplink closed-loop beamforming
    1.
    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
    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 and apparatus for random access channel probe initialization using transmit diversity
    3.
    发明授权
    Method and apparatus for random access channel probe initialization using transmit diversity 有权
    使用发射分集的随机接入信道探测初始化的方法和装置

    公开(公告)号:US08046017B2

    公开(公告)日:2011-10-25

    申请号:US12042560

    申请日:2008-03-05

    IPC分类号: H04B7/00 H04B17/00

    摘要: Embodiments of the present invention extend the benefits of mobile transmit diversity to the initialization phase of communication with a base station over a random access channel. According to a method of the invention, the transmitter may attempt to initiate communication with a receiver by varying a transmit diversity parameter, for example, phase difference, in addition to or instead of varying power settings.

    摘要翻译: 本发明的实施例将移动发射分集的优点扩展到通过随机接入信道与基站通信的初始化阶段。 根据本发明的方法,发射机除了或代替变化的功率设置之外,还可以尝试通过改变发射分集参数(例如,相位差)来发起与接收机的通信。

    METHOD, APPARATUS AND SYSTEM FOR PROVIDING FEEDBACK TO A TRANSMIT DIVERSITY DEVICE
    5.
    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。

    Method, apparatus and system for providing feedback to a transmit diversity device
    8.
    发明授权
    Method, apparatus and system for providing feedback to a transmit diversity device 有权
    用于向发射分集装置提供反馈的方法,装置和系统

    公开(公告)号:US08036603B2

    公开(公告)日:2011-10-11

    申请号:US12046689

    申请日:2008-03-12

    IPC分类号: H04B1/00 H04B7/00

    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。

    METHOD AND APPARATUS FOR RANDOM ACCESS CHANNEL PROBE INITIALIZATION USING TRANSMIT DIVERSITY
    9.
    发明申请
    METHOD AND APPARATUS FOR RANDOM ACCESS CHANNEL PROBE INITIALIZATION USING TRANSMIT DIVERSITY 有权
    使用传输多样性的随机访问通道初始化的方法和装置

    公开(公告)号:US20080227406A1

    公开(公告)日:2008-09-18

    申请号:US12042560

    申请日:2008-03-05

    IPC分类号: H04B1/76

    摘要: Embodiments of the present invention extend the benefits of mobile transmit diversity to the initialization phase of communication with a base station over a random access channel. According to a method of the invention, the transmitter may attempt to initiate communication with a receiver by varying a transmit diversity parameter, for example, phase difference, in addition to or instead of varying power settings.

    摘要翻译: 本发明的实施例将移动发射分集的优点扩展到通过随机接入信道与基站通信的初始化阶段。 根据本发明的方法,发射机除了或代替变化的功率设置之外,还可以尝试通过改变发射分集参数(例如,相位差)来发起与接收机的通信。

    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:US20080227404A1

    公开(公告)日:2008-09-18

    申请号:US12046689

    申请日:2008-03-12

    IPC分类号: H04B7/00 H04B1/00

    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。