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。

公开(公告)号：US20110268093A1

公开(公告)日：2011-11-03

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： H04W72/00

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。

公开(公告)号：US20120093122A1

公开(公告)日：2012-04-19

申请号：US13257854

申请日：2009-12-30

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

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

IPC分类号： H04W64/00 ,  H04W72/04

CPC分类号： H04L5/0048 ,  H04L5/0007 ,  H04L5/0053 ,  H04L5/0092

摘要： The present disclosure discloses a method and system for transmitting a position reference signal. Wherein the method includes: frequency domain positions for transmitting a position reference signal are n physical resource blocks, and the value of n is obtained according to signaling; time domain positions for transmitting the position reference signal are the remaining orthogonal frequency division multiplexing symbols in a subframe, except for orthogonal frequency division multiplexing symbols for transmitting a physical downlink control channel and orthogonal frequency division multiplexing symbols for transmitting a cell-specific reference signal; and the position reference signal is transmitted according to the frequency domain position and the time domain position. By adopting the method and the system of the present disclosure, the transmitting of the position reference signal is realized, and the positioning precision of a UE is ensured.

摘要翻译： 本公开公开了一种用于发送位置参考信号的方法和系统。 其中方法包括：用于发送位置参考信号的频域位置是n个物理资源块，并且根据信令获得n的值; 用于发送位置参考信号的时域位置是除了用于发送物理下行链路控制信道的正交频分复用符号和用于发送小区特定参考信号的正交频分复用符号之外的子帧中的剩余正交频分复用符号; 并且根据频域位置和时域位置发送位置参考信号。 通过采用本公开的方法和系统，实现了位置参考信号的发送，确保了UE的定位精度。

公开(公告)号：US08761116B2

公开(公告)日：2014-06-24

申请号：US13257854

申请日：2009-12-30

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

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

IPC分类号： H04W40/00

CPC分类号： H04L5/0048 ,  H04L5/0007 ,  H04L5/0053 ,  H04L5/0092

摘要： The present disclosure discloses a method and system for transmitting a position reference signal. Wherein the method includes: frequency domain positions for transmitting a position reference signal are n physical resource blocks, and the value of n is obtained according to signaling; time domain positions for transmitting the position reference signal are the remaining orthogonal frequency division multiplexing symbols in a subframe, except for orthogonal frequency division multiplexing symbols for transmitting a physical downlink control channel and orthogonal frequency division multiplexing symbols for transmitting a cell-specific reference signal; and the position reference signal is transmitted according to the frequency domain position and the time domain position. By adopting the method and the system of the present disclosure, the transmitting of the position reference signal is realized, and the positioning precision of a UE is ensured.

摘要翻译： 本公开公开了一种用于发送位置参考信号的方法和系统。 其中方法包括：用于发送位置参考信号的频域位置是n个物理资源块，并且根据信令获得n的值; 用于发送位置参考信号的时域位置是除了用于发送物理下行链路控制信道的正交频分复用符号和用于发送小区特定参考信号的正交频分复用符号之外的子帧中的剩余正交频分复用符号; 并且根据频域位置和时域位置发送位置参考信号。 通过采用本公开的方法和系统，实现了位置参考信号的发送，确保了UE的定位精度。

公开(公告)号：US20120236817A1

公开(公告)日：2012-09-20

申请号：US13512964

申请日：2010-06-29

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

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

IPC分类号： H04W4/00 ,  H04W72/02

CPC分类号： H04B7/0417 ,  H04B7/024 ,  H04B7/0486 ,  H04B7/0626 ,  H04B7/063 ,  H04B7/0632 ,  H04B7/0639 ,  H04B7/0641 ,  H04L1/0003 ,  H04L1/0026 ,  H04L1/0029

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。

公开(公告)号：US20120033627A1

公开(公告)日：2012-02-09

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： H04W72/04

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：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：US08913574B2

公开(公告)日：2014-12-16

申请号：US13512964

申请日：2010-06-29

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

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

IPC分类号： H04W72/02 ,  H04W4/00 ,  H04B7/04 ,  H04L1/00 ,  H04B7/02 ,  H04B7/06

CPC分类号： H04B7/0417 ,  H04B7/024 ,  H04B7/0486 ,  H04B7/0626 ,  H04B7/063 ,  H04B7/0632 ,  H04B7/0639 ,  H04B7/0641 ,  H04L1/0003 ,  H04L1/0026 ,  H04L1/0029

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。

公开(公告)号：US08483306B2

公开(公告)日：2013-07-09

申请号：US13259667

申请日：2010-06-30

申请人： Yijian Chen ,  Guanghui Yu ,  Bo Dai ,  Xun Yang

发明人： Yijian Chen ,  Guanghui Yu ,  Bo Dai ,  Xun Yang

IPC分类号： H04B7/02 ,  H04L1/02

CPC分类号： H04L1/0029 ,  H04B7/0639 ,  H04L1/06 ,  H04L25/03923

摘要： A pre-coding method and system and a method for constructing pre-coding codebook are disclosed, including: a transmitting end and a receiving end storing information of a pre-coding codebook together, the receiving end selecting a codeword from the pre-coding codebook according to an estimated channel matrix and feeding back a serial number of the codeword to the transmitting end, and the transmitting end finding out the codeword according to the serial number and pre-coding, by using the codeword, a symbol block sent to the receiving end; wherein, at least eight codeword vectors or column vectors in at least eight codeword matrixes in the pre-coding codebook are obtained based on 8-dimensional vectors selected from a 8-dimensional vector set, and this 8-dimensional vector set is obtained by calculating from the part or all of 4-dimensional vectors in u1, u2, u3, u4, u5, u6, u7, u8, s, m, n.

摘要翻译： 公开了一种用于构建预编码码本的预编码方法和系统及方法，包括：发送端和接收端一起存储预编码码本的信息，接收端从预编码码本中选择码字 根据估计的信道矩阵并将码字的序列号反馈到发送端，并且发送端通过使用码字来根据序列号和预编码找出码字，发送到接收端的符号块 结束; 其中，基于从8维向量集合中选择的8维向量获得预编码码本中的至少8个码字矩阵中的至少8个码字向量或列向量，并且该8维向量集是通过计算 从u1，u2，u3，u4，u5，u6，u7，u8，s，m，n的4维向量的部分或全部。

公开(公告)号：US20120134434A1

公开(公告)日：2012-05-31

申请号：US13259667

申请日：2010-06-30

申请人： Yijian Chen ,  Guanghui Yu ,  Bo Dai ,  Xun Yang

发明人： Yijian Chen ,  Guanghui Yu ,  Bo Dai ,  Xun Yang

IPC分类号： H04L25/49 ,  H04B7/02

CPC分类号： H04L1/0029 ,  H04B7/0639 ,  H04L1/06 ,  H04L25/03923

摘要： A pre-coding method and system and a method for constructing pre-coding codebook are disclosed, including: a transmitting end and a receiving end storing information of a pre-coding codebook together, the receiving end selecting a codeword from the pre-coding codebook according to an estimated channel matrix and feeding back a serial number of the codeword to the transmitting end, and the transmitting end finding out the codeword according to the serial number and pre-coding, by using the codeword, a symbol block sent to the receiving end; wherein, at least eight codeword vectors or column vectors in at least eight codeword matrixes in the pre-coding codebook are obtained based on 8-dimensional vectors selected from a 8-dimensional vector set, and this 8-dimensional vector set is obtained by calculating from the part or all of 4-dimensional vectors in u1, u2, u3, u4, u5, u6, u7, u8, s, m, n.

摘要翻译： 公开了一种用于构建预编码码本的预编码方法和系统及方法，包括：发送端和接收端一起存储预编码码本的信息，接收端从预编码码本中选择码字 根据估计的信道矩阵并将码字的序列号反馈到发送端，并且发送端通过使用码字来根据序列号和预编码找出码字，发送到接收端的符号块 结束; 其中，基于从8维向量集合中选择的8维向量获得预编码码本中的至少8个码字矩阵中的至少8个码字向量或列向量，并且该8维向量集是通过计算 从u1，u2，u3，u4，u5，u6，u7，u8，s，m，n的4维向量的部分或全部。