公开(公告)号：US20150078266A1

公开(公告)日：2015-03-19

申请号：US14348920

申请日：2013-05-31

申请人： Senbao Guo ,  Yijian Chen ,  Bo Dai ,  Yunfeng Sun ,  Junfeng Zhang

发明人： Senbao Guo ,  Yijian Chen ,  Bo Dai ,  Yunfeng Sun ,  Junfeng Zhang

IPC分类号： H04L5/00 ,  H04W72/04

CPC分类号： H04L5/003 ,  H04L1/1893 ,  H04L5/0053 ,  H04L5/0091 ,  H04W72/042

摘要： A method for transmitting and receiving a control channel, a base station and a terminal relate to a long term evolution advanced system. The method for transmitting a control channel disclosed by the present document includes: a base station side configuring, for a terminal side, detection-limited subframe cluster information of a control channel, so as to notify the terminal side of the manner by which the base station side transmits the control channel. The present document also discloses a method for receiving a control channel, a base station and a terminal.

摘要翻译： 用于发送和接收控制信道的方法，基站和终端涉及长期演进高级系统。 用于发送由本文件公开的控制信道的方法包括：基站侧，对于终端侧，配置控制信道的检测受限子帧集合信息，以便向终端侧通知基站 站侧发送控制信道。 本文件还公开了一种用于接收控制信道，基站和终端的方法。

公开(公告)号：US08908811B2

公开(公告)日：2014-12-09

申请号：US13501553

申请日：2010-11-02

申请人： Yijian Chen ,  Jun Xu ,  Bo Dai ,  Ruyue Li ,  Junfeng Zhang

发明人： Yijian Chen ,  Jun Xu ,  Bo Dai ,  Ruyue Li ,  Junfeng Zhang

IPC分类号： H04L27/06 ,  H04B7/06 ,  H04B7/04 ,  H04B7/02

CPC分类号： H04B7/0639 ,  H04B7/024 ,  H04B7/0417 ,  H04B7/0626 ,  H04B7/063

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。

公开(公告)号：US20130315337A1

公开(公告)日：2013-11-28

申请号：US13979406

申请日：2011-12-02

申请人： Bo Dai ,  Yijian Chen ,  Jun Xu ,  Yunfeng Sun ,  Junfeng Zhang

发明人： Bo Dai ,  Yijian Chen ,  Jun Xu ,  Yunfeng Sun ,  Junfeng Zhang

IPC分类号： H04B7/04

CPC分类号： H04B7/0456 ,  H04L1/0023 ,  H04L1/0031 ,  H04L1/06 ,  H04L5/0023 ,  H04L5/0048 ,  H04L5/0057

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。

公开(公告)号：US20130064128A1

公开(公告)日：2013-03-14

申请号：US13695431

申请日：2011-03-10

申请人： Ruyue Li ,  Jun Xu ,  Yijian Chen ,  Bo Dai ,  Junfeng Zhang

发明人： Ruyue Li ,  Jun Xu ,  Yijian Chen ,  Bo Dai ,  Junfeng Zhang

IPC分类号： H04W24/00

CPC分类号： H04B7/065 ,  H04B7/0452 ,  H04B7/0478 ,  H04B7/0639 ,  H04L1/0026 ,  H04L1/0029

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。

公开(公告)号：US20120320774A1

公开(公告)日：2012-12-20

申请号：US13520478

申请日：2010-06-29

申请人： Bo Dai ,  Yijian Chen ,  Jun Xu ,  Guanghui Yu ,  Qianzi Xu ,  Ruyue Li ,  Junfeng Zhang

发明人： Bo Dai ,  Yijian Chen ,  Jun Xu ,  Guanghui Yu ,  Qianzi Xu ,  Ruyue Li ,  Junfeng Zhang

IPC分类号： H04W24/10

CPC分类号： H04B7/0417 ,  H04B7/0621 ,  H04B7/0632 ,  H04L5/0023 ,  H04L5/0035 ,  H04L5/0091 ,  H04L25/0224 ,  H04L25/03891 ,  H04W48/08

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。

公开(公告)号：US09713132B2

公开(公告)日：2017-07-18

申请号：US14357537

申请日：2011-12-13

申请人： Bo Dai ,  Yijian Chen ,  Xin Wu ,  Ruyue Li

发明人： Bo Dai ,  Yijian Chen ,  Xin Wu ,  Ruyue Li

IPC分类号： H04W72/04 ,  H04L5/14 ,  H04L5/00

CPC分类号： H04W72/042 ,  H04L5/001 ,  H04L5/0023 ,  H04L5/0035 ,  H04L5/0053 ,  H04L5/0082 ,  H04L5/14 ,  H04W72/0446

摘要： A method and a system for processing downlink control information are disclosed, in which downlink control information for the subframe n may be transmitted in a subframe n or the downlink control information for the subframe n may be transmitted in a subframe n−1. By means of technology for processing control channel information provided by the disclosure, a region where the downlink control information is transmitted is added, and space division technology can be fully utilized, so that a load of a Physical Downlink Control Channel (PDCCH) is reduced, the interference between control channels is reduced, and the capacity of the control channel is enlarged.

公开(公告)号：US09258048B2

公开(公告)日：2016-02-09

申请号：US13695431

申请日：2011-03-10

申请人： Ruyue Li ,  Jun Xu ,  Yijian Chen ,  Bo Dai ,  Junfeng Zhang

发明人： Ruyue Li ,  Jun Xu ,  Yijian Chen ,  Bo Dai ,  Junfeng Zhang

IPC分类号： H04L12/26 ,  H04B7/06 ,  H04L1/00 ,  H04B7/04

CPC分类号： H04B7/065 ,  H04B7/0452 ,  H04B7/0478 ,  H04B7/0639 ,  H04L1/0026 ,  H04L1/0029

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。

公开(公告)号：US08797978B2

公开(公告)日：2014-08-05

申请号：US13258592

申请日：2010-04-27

申请人： Weijun Li ,  Bo Dai ,  Guanghui Yu ,  Yijian Chen

发明人： Weijun Li ,  Bo Dai ,  Guanghui Yu ,  Yijian Chen

IPC分类号： H04W4/00 ,  H04W72/04 ,  H04L5/14 ,  H04L5/00

CPC分类号： H04W72/042 ,  H04L5/0007 ,  H04L5/001 ,  H04L5/0053 ,  H04L5/0082 ,  H04L5/0094 ,  H04L5/14 ,  H04W72/1289

摘要： A method for sending and detecting downlink control information is provided. A base station carries the downlink control information in a physical downlink control channel, and sends said physical downlink control channel through component carriers. Said base station bears first type downlink control information on an anchor component carrier, and bears third type downlink control information on a prime component carrier, wherein said first type downlink control information bears one or more types of uplink scheduling information, downlink scheduling information and uplink power control information of its component carrier, said third type downlink control information bears indication information of the second type downlink control information which bears the uplink scheduling information and/or the downlink scheduling information of one or more component carriers. A terminal detects the first type downlink control information on the anchor component carries and detects the third type downlink control information on the prime component carrier.

摘要翻译： 提供了发送和检测下行链路控制信息的方法。 基站在物理下行链路控制信道中携带下行链路控制信息，并通过分量载波发送所述物理下行链路控制信道。 所述基站在主分量载波上承载第一类型下行链路控制信息，并且对主分量载波承载第三类型下行链路控制信息，其中所述第一类型下行链路控制信息承载一种或多种类型的上行调度信息，下行链路调度信息和上行链路 其分量载波的功率控制信息，所述第三类型下行链路控制信息具有承载一个或多个分量载波的上行链路调度信息和/或下行链路调度信息的第二类型下行链路控制信息的指示信息。 终端检测到锚分量上的第一类型下行链路控制信息携带并检测关于主分量载波的第三类型下行链路控制信息。

公开(公告)号：US08660032B2

公开(公告)日：2014-02-25

申请号：US13520478

申请日：2010-06-29

申请人： Bo Dai ,  Yijian Chen ,  Jun Xu ,  Guanghui Yu ,  Qianzi Xu ,  Ruyue Li ,  Junfeng Zhang

发明人： Bo Dai ,  Yijian Chen ,  Jun Xu ,  Guanghui Yu ,  Qianzi Xu ,  Ruyue Li ,  Junfeng Zhang

IPC分类号： H04L12/26

CPC分类号： H04B7/0417 ,  H04B7/0621 ,  H04B7/0632 ,  H04L5/0023 ,  H04L5/0035 ,  H04L5/0091 ,  H04L25/0224 ,  H04L25/03891 ,  H04W48/08

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。

公开(公告)号：US08488564B2

公开(公告)日：2013-07-16

申请号：US13144099

申请日：2009-12-16

申请人： Bo Dai ,  Guanghui Yu ,  Hui Yu ,  Yijian Chen

发明人： Bo Dai ,  Guanghui Yu ,  Hui Yu ,  Yijian Chen

IPC分类号： H04B7/216

CPC分类号： H04L1/06

摘要： The present invention discloses a method for mapping a codeword to a layer in a multi-input multi-output system, the method includes: grouping current layers in a multi-input multi-output system according to the number of current codewords, and mapping each codeword to the layer of a group to which the codeword corresponds. The present invention further discloses a device for mapping a codeword to a layer in a multi-input multi-output system, the device includes: a layer grouping unit and a mapping unit, wherein the layer grouping unit is used for grouping current layers in a multi-input multi-output system according to the number of current codewords; and the mapping unit is used for mapping each codeword to the layer of a group to which the codeword corresponds. The present invention is easy to be implemented, and the mapping manner for mapping a codeword to a layer is more reasonable.

摘要翻译： 本发明公开了一种用于将码字映射到多输入多输出系统中的层的方法，所述方法包括：根据当前码字的数目对多输入多输出系统中的当前层进行分组，并将每个 码字到代码字对应的组的层。 本发明还公开了一种用于将码字映射到多输入多输出系统中的层的装置，该装置包括：层分组单元和映射单元，其中层分组单元用于将目标层分组在 多输入多输出系统根据当前码字数量; 并且映射单元用于将每个码字映射到码字对应的组的层。 本发明易于实现，并且将码字映射到层的映射方式更合理。