Method and system for acquiring channel state information
    1.
    发明授权
    Method and system for acquiring channel state information 有权
    获取信道状态信息的方法和系统

    公开(公告)号:US08908811B2

    公开(公告)日:2014-12-09

    申请号:US13501553

    申请日:2010-11-02

    摘要: A method for acquiring channel state information is disclosed in the present invention, including: a user equipment (UE) reporting codebook index information and information about the total number of layers to a base station (eNB), wherein the codebook index information includes one of the following information: class 2 codebook index l; and class 1 codebook index i and index parameter j; and after receiving the codebook index information and information about the total number of layers sent by the UE, the base station obtaining a codeword in the manner of inquiring of a preset codebook list or in the manner of inquiring of the preset codebook list in conjunction with calculation according to the codebook index information and information about the total number of layers. A system for acquiring channel state information is also disclosed in the present invention.

    摘要翻译: 在本发明中公开了一种用于获取信道状态信息的方法,包括:向基站(eNB)报告码本索引信息和关于总层数的信息的用户设备(UE),其中码本索引信息包括 以下信息:class 2 codebook index l; 和1类码本索引i和索引参数j; 并且在接收到码本索引信息和关于由UE发送的总层数的信息之后,基站以查询预设码本列表的方式或以预设码本列表的查询方式结合获取码字 根据码本索引信息计算和关于总层数的信息。 本发明还公开了一种获取信道状态信息的系统。

    METHOD AND TERMINAL FOR FEEDING BACK CHANNEL STATE INFORMATION
    2.
    发明申请
    METHOD AND TERMINAL FOR FEEDING BACK CHANNEL STATE INFORMATION 有权
    提供反向通道状态信息的方法和终端

    公开(公告)号:US20130064128A1

    公开(公告)日:2013-03-14

    申请号:US13695431

    申请日:2011-03-10

    IPC分类号: H04W24/00

    摘要: The present invention discloses method and terminal for feeding back channel state information. The method comprises: UE determining channel state information comprising first-type PMI and/or second-type PMI according to indication information, wherein first-type PMI is used for indicating index of one first precoding matrix in first precoding codebook, each first precoding matrix is used for mapping channel information of one wideband and/or long-term channel; second-type PMI is used for indicating index of one second precoding matrix in second precoding codebook, each second precoding matrix is used for mapping channel information of one subband and/or short-term channel; UE feeding back first-type PMI in PUCCH periodically and feeding back second-type PMI in PUSCH periodically or non-periodically, or, feeding back first-type PMI and second-type PMI in PUCCH. Through the present invention, precision of feeding back channel state information by UE is increased, and base station can dynamically select SU-MIMO or MU-MIMO transmission.

    摘要翻译: 本发明公开了用于反馈信道状态信息的方法和终端。 该方法包括:UE根据指示信息确定包括第一类型PMI和/或第二类型PMI的信道状态信息,其中第一类型PMI用于指示第一预编码码本中的一个第一预编码矩阵的索引,每个第一预编码矩阵 用于映射一个宽带和/或长期信道的信道信息; 第二类型PMI用于指示第二预编码码本中的一秒预编码矩阵的索引,每个第二预编码矩阵用于映射一个子带和/或短期信道的信道信息; UE周期性地在PUCCH中反馈第一类型PMI,并在PUSCH周期性或非周期性地反馈第二类型PMI,或者在PUCCH中反馈第一类型PMI和第二类型PMI。 通过本发明,UE的反馈信道状态信息的精度提高,基站能动态选择SU-MIMO或MU-MIMO传输。

    Method for Transmitting Feedback of Channel State Information and User Equipment
    3.
    发明申请
    Method for Transmitting Feedback of Channel State Information and User Equipment 有权
    发送信道状态信息和用户设备反馈的方法

    公开(公告)号:US20120320774A1

    公开(公告)日:2012-12-20

    申请号:US13520478

    申请日:2010-06-29

    IPC分类号: H04W24/10

    摘要: Disclosed are a method for transmitting feedback of channel state information and user equipment. The method comprises: under a transmission mode, user equipment (UE) determining contents carried by channel state information according to indication information, wherein the indication information comprises at least one of the following: rank indicator (RI), channel quality indication information (CQI) and configuration signaling sent by a base station eNodeB; and the UE sending the channel state information to the eNodeB. The present invention solves the problem that the contents provided by the channel state information are not suitable for those transmission modes under which a multiple user-MIMO and a single user-MIMO can be switched from one to another, improving the applicability of the channel state information.

    摘要翻译: 公开了一种用于发送信道状态信息和用户设备的反馈的方法。 该方法包括:在传输模式下,用户设备(UE)根据指示信息确定由信道状态信息携带的内容,其中指示信息包括以下中的至少一个:秩指示符(RI),信道质量指示信息(CQI )和由基站eNodeB发送的配置信令; 并且UE向eNodeB发送信道状态信息。 本发明解决了由信道状态信息提供的内容不适合于可以从多个用户MIMO和单个用户MIMO切换到另一个的那些传输模式的问题,提高了信道状态的适用性 信息。

    METHOD AND SYSTEM FOR ACQUIRING CHANNEL STATE INFORMATION
    6.
    发明申请
    METHOD AND SYSTEM FOR ACQUIRING CHANNEL STATE INFORMATION 有权
    获取信道状态信息的方法和系统

    公开(公告)号:US20120207240A1

    公开(公告)日:2012-08-16

    申请号:US13501553

    申请日:2010-11-02

    IPC分类号: H04B15/00

    摘要: A method for acquiring channel state information is disclosed in the present invention, including: a user equipment (UE) reporting codebook index information and information about the total number of layers to a base station (eNB), wherein the codebook index information includes one of the following information: class 2 codebook index l; and class 1 codebook index i and index parameter j; and after receiving the codebook index information and information about the total number of layers sent by the UE, the base station obtaining a codeword in the manner of inquiring of a preset codebook list or in the manner of inquiring of the preset codebook list in conjunction with calculation according to the codebook index information and information about the total number of layers. A system for acquiring channel state information is also disclosed in the present invention.

    摘要翻译: 在本发明中公开了一种用于获取信道状态信息的方法,包括:向基站(eNB)报告码本索引信息和关于总层数的信息的用户设备(UE),其中码本索引信息包括 以下信息:class 2 codebook index l; 和1类码本索引i和索引参数j; 并且在接收到码本索引信息和关于由UE发送的总层数的信息之后,基站以查询预设码本列表的方式或以预设码本列表的查询方式结合获取码字 根据码本索引信息计算和关于总层数的信息。 本发明还公开了一种获取信道状态信息的系统。

    Method and terminal for feeding back channel state information
    7.
    发明授权
    Method and terminal for feeding back channel state information 有权
    用于反馈信道状态信息的方法和终端

    公开(公告)号:US09258048B2

    公开(公告)日:2016-02-09

    申请号:US13695431

    申请日:2011-03-10

    摘要: The present invention discloses method and terminal for feeding back channel state information. The method comprises: UE determining channel state information comprising first-type PMI and/or second-type PMI according to indication information, wherein first-type PMI is used for indicating index of one first precoding matrix in first precoding codebook, each first precoding matrix is used for mapping channel information of one wideband and/or long-term channel; second-type PMI is used for indicating index of one second precoding matrix in second precoding codebook, each second precoding matrix is used for mapping channel information of one subband and/or short-term channel; UE feeding back first-type PMI in PUCCH periodically and feeding back second-type PMI in PUSCH periodically or non-periodically, or, feeding back first-type PMI and second-type PMI in PUCCH. Through the present invention, precision of feeding back channel state information by UE is increased, and base station can dynamically select SU-MIMO or MU-MIMO transmission.

    摘要翻译: 本发明公开了用于反馈信道状态信息的方法和终端。 该方法包括:UE根据指示信息确定包括第一类型PMI和/或第二类型PMI的信道状态信息,其中第一类型PMI用于指示第一预编码码本中的一个第一预编码矩阵的索引,每个第一预编码矩阵 用于映射一个宽带和/或长期信道的信道信息; 第二类型PMI用于指示第二预编码码本中的一秒预编码矩阵的索引,每个第二预编码矩阵用于映射一个子带和/或短期信道的信道信息; UE周期性地在PUCCH中反馈第一类型PMI,并在PUSCH周期性或非周期性地反馈第二类型PMI,或者在PUCCH中反馈第一类型PMI和第二类型PMI。 通过本发明,UE的反馈信道状态信息的精度提高,基站能动态选择SU-MIMO或MU-MIMO传输。

    Method for transmitting feedback of channel state information and user equipment
    8.
    发明授权
    Method for transmitting feedback of channel state information and user equipment 有权
    发送信道状态信息和用户设备反馈的方法

    公开(公告)号:US08660032B2

    公开(公告)日:2014-02-25

    申请号:US13520478

    申请日:2010-06-29

    IPC分类号: H04L12/26

    摘要: Disclosed are a method for transmitting feedback of channel state information and user equipment. The method comprises: under a transmission mode, user equipment (UE) determining contents carried by channel state information according to indication information, wherein the indication information comprises at least one of the following: rank indicator (RI), channel quality indication information (CQI) and configuration signaling sent by a base station eNodeB; and the UE sending the channel state information to the eNodeB. The present invention solves the problem that the contents provided by the channel state information are not suitable for those transmission modes under which a multiple user-MIMO and a single user-MIMO can be switched from one to another, improving the applicability of the channel state information.

    摘要翻译: 公开了一种用于发送信道状态信息和用户设备的反馈的方法。 该方法包括:在传输模式下,用户设备(UE)根据指示信息确定由信道状态信息携带的内容,其中指示信息包括以下中的至少一个:秩指示符(RI),信道质量指示信息(CQI )和由基站eNodeB发送的配置信令; 并且UE向eNodeB发送信道状态信息。 本发明解决了由信道状态信息提供的内容不适合于可以从多个用户MIMO和单个用户MIMO切换到另一个的那些传输模式的问题,提高了信道状态的适用性 信息。

    Method and user equipment for feeding back channel state information
    9.
    发明授权
    Method and user equipment for feeding back channel state information 有权
    用于反馈信道状态信息的方法和用户设备

    公开(公告)号:US08929476B2

    公开(公告)日:2015-01-06

    申请号:US13979406

    申请日:2011-12-02

    摘要: The present document provides a method for feeding back channel state information and a user equipment. The method includes: a user equipment determining a second parameter y of a feedback mode according to the number of Channel-State Information-reference signals (CSI-RS) ports configured by a high layer signaling or according to the number of CSI-RS ports and indication information indicating whether to feed back a pre-coding matrix indicator (PMI) and rank indicator (RI); the user equipment determining the feedback mode according to a transmission mode configured by the high layer signaling, a first parameter x of the feedback mode and the second parameter y of the feedback mode; and the user equipment feeding back the channel state information according to the determined feedback mode. The present document improves the system flexibility and performance and reduces the feedback overhead.

    摘要翻译: 本文提供了一种用于反馈信道状态信息和用户设备的方法。 该方法包括:用户设备根据由高层信令配置的信道状态信息参考信号(CSI-RS)端口的数量或根据CSI-RS端口的数量确定反馈模式的第二参数y 以及指示是否反馈预编码矩阵指示符(PMI)和秩指示符(RI)的指示信息; 用户设备根据由高层信令配置的传输模式,反馈模式的第一参数x和反馈模式的第二参数y来确定反馈模式; 并且用户设备根据确定的反馈模式反馈信道状态信息。 本文档提高了系统的灵活性和性能,并减少了反馈开销。

    Channel state information feedback method and user equipment
    10.
    发明授权
    Channel state information feedback method and user equipment 有权
    信道状态信息反馈方法和用户设备

    公开(公告)号:US08913574B2

    公开(公告)日:2014-12-16

    申请号:US13512964

    申请日:2010-06-29

    摘要: A method for feeding back channel state information and user equipment are provided in the present invention, which relates to the digital communication field; and they solve the problem of lacking a mechanism of reporting overall and effective channel state information in a SU-MIMO and MU-MIMO dynamic switching system. The method includes: in a single transmission mode, UE sends the channel state information to a network side, wherein the channel state information includes information indicating a transmission layer with the best channel quality. Technical schemes provided in the present invention are applied to the LTE system and LTE-A system.

    摘要翻译: 在本发明中提供了一种用于反馈信道状态信息和用户设备的方法,该方法涉及数字通信领域; 解决了在SU-MIMO和MU-MIMO动态切换系统中缺乏报告整体有效的信道状态信息的机制的问题。 该方法包括:在单传输模式中,UE向网络侧发送信道状态信息,其中信道状态信息包括指示具有最佳信道质量的传输层的信息。 本发明提供的技术方案应用于LTE系统和LTE-A系统。