公开(公告)号：US20130163687A1

公开(公告)日：2013-06-27

申请号：US13701276

申请日：2011-09-16

申请人： Meifang Jing ,  Qiubin Gao ,  Ranran Zhang ,  Shaohui Sun ,  Guojun Xiao ,  Rakesh Tamrakar

发明人： Meifang Jing ,  Qiubin Gao ,  Ranran Zhang ,  Shaohui Sun ,  Guojun Xiao ,  Rakesh Tamrakar

IPC分类号： H04B7/04

CPC分类号： H04B7/0639 ,  H04B7/063 ,  H04B7/0658

摘要： The present invention discloses a method and device for processing codebook subset restriction, which includes: the codebooks for every rank of N antenna ports are grouped, wherein N is a natural number; after grouping, the status of each group is identified as restricted or unrestricted by using one bit. The present invention can reduce the signaling overhead needed for codebook subset restriction.

摘要翻译： 本发明公开了一种用于处理码本子集限制的方法和装置，包括：N个天线端口的每个等级的码本被分组，其中N是自然数; 分组后，通过使用一位将每个组的状态标识为受限制或不受限制。 本发明可以减少码本子集限制所需的信令开销。

公开(公告)号：US20130022087A1

公开(公告)日：2013-01-24

申请号：US13638240

申请日：2011-04-25

申请人： Wenhong Chen ,  Deshan Miao ,  Rakesh Tamrakar

发明人： Wenhong Chen ,  Deshan Miao ,  Rakesh Tamrakar

IPC分类号： H04B1/707

CPC分类号： H04L5/0051 ,  H04J13/0074 ,  H04L5/0026 ,  H04L5/0094 ,  H04L27/2613

摘要： A method, an apparatus and a system for configuring a Demodulation Reference Signal (DMRS) are disclosed in the present invention. The method includes: receiving a DMRS indication index transmitted from a network side; determining at least one port used for the local transmission of the DMRS; acquiring the predetermined DMRS configuration parameters corresponding to the DMRS indication index and the at least one port, and configuring, according to the DMRS configuration parameters, the DMRS to be transmitted from the at least one port. Therefore, the terminal can implement the configuration of the DMRS without reloading the corresponding configuration information. Thus, the implementation complexity of the DMRS configuration flow is decreased, and the operation load of the terminal is also reduced.

摘要翻译： 在本发明中公开了一种用于配置解调参考信号（DMRS）的方法，装置和系统。 该方法包括：接收从网络侧发送的DMRS指示索引; 确定用于DMRS的本地传输的至少一个端口; 获取与DMRS指示索引和所述至少一个端口相对应的预定DMRS配置参数，以及根据DMRS配置参数配置要从所述至少一个端口发送的DMRS。 因此，终端可以实现DMRS的配置，而无需重新加载相应的配置信息。 因此，DMRS配置流程的实现复杂度降低，终端的操作负载也降低。

公开(公告)号：US20120307935A1

公开(公告)日：2012-12-06

申请号：US13577669

申请日：2011-01-31

申请人： Ranran Zhang ,  Deshan Miao ,  Qiubin Gao ,  Meifang Jing ,  Rakesh Tamrakar

发明人： Ranran Zhang ,  Deshan Miao ,  Qiubin Gao ,  Meifang Jing ,  Rakesh Tamrakar

IPC分类号： H04L27/00

CPC分类号： H04B7/0639 ,  H04B7/0417 ,  H04B7/0465 ,  H04B7/0469 ,  H04B7/0478 ,  H04L25/03343

摘要： The present invention discloses a method for transmitting information in a closed loop multiple antenna system. The method includes that: a transmission apparatus receives information transmitted from a reception apparatus, wherein the information includes codeword index information; the transmission apparatus selects a corresponding codeword from a double-layer-structure-based codebook according to the codeword index information; the transmission apparatus generates a precoding matrix according to the selected codeword; the transmission apparatus performs precoding for data to be transmitted according to the precoding matrix; the transmission apparatus transmits the precoded data to the reception apparatus. The present invention can enable a formed and used codebook to match channel distribution characteristic of a dual-polarized antenna as much as possible, and minimize performance loss brought by codebook quantization, thereby performance of a precoding system can be effectively improved.

摘要翻译： 本发明公开了一种在闭环多天线系统中发送信息的方法。 该方法包括：发送装置接收从接收装置发送的信息，其中信息包括码字索引信息; 发送装置根据码字索引信息从基于双层结构的码本中选择对应的码字; 发送装置根据所选择的码字生成预编码矩阵; 发送装置根据预编码矩阵对要发送的数据进行预编码; 发送装置将预编码数据发送到接收装置。 本发明可以使得形成和使用的码本尽可能地匹配双极化天线的信道分布特性，并且最小化码本量化带来的性能损失，从而可以有效地提高预编码系统的性能。

公开(公告)号：US09048909B2

公开(公告)日：2015-06-02

申请号：US14002108

申请日：2011-11-08

申请人： Ranran Zhang ,  Qiubin Gao ,  Meifang Jing ,  Rakesh Tamrakar ,  Guojun Xiao

发明人： Ranran Zhang ,  Qiubin Gao ,  Meifang Jing ,  Rakesh Tamrakar ,  Guojun Xiao

IPC分类号： H04B7/00 ,  H04B7/06 ,  H04B7/04 ,  H04L25/03 ,  H04L1/00

CPC分类号： H04B7/0626 ,  H04B7/0456 ,  H04B7/0619 ,  H04B7/063 ,  H04B7/0639 ,  H04L1/0026 ,  H04L1/0031 ,  H04L25/0391

摘要： Disclosed in an embodiment of the present invention is a method for transmitting channel state information and device thereof. By applying the technical schemes of the embodiment of the present invention, in a LTE-A system using PUCCH reporting mode 1-1, in a situation where PMI feedback for 8 antenna ports is needed to be reported in a sub-frame and PUCCH capacity is limited, therefore codebook compression is required, a corresponding relationship definition of the pre-coding matrix indicator information or the pre-coding matrix indicator information pair and the codebook index or the codebook index pair after codebook compression is provided, thus realizing the feedback and receiving of channel state information between a base station and terminal equipment.

摘要翻译： 在本发明的实施例中公开了一种用于发送信道状态信息的方法及其装置。 通过应用本发明实施例的技术方案，在使用PUCCH报告模式1-1的LTE-A系统中，在需要在子帧和PUCCH容量中报告8个天线端口的PMI反馈的情况下 因此需要进行码本压缩，提供预编码矩阵指示符信息或预编码矩阵指示符信息对和码本压缩之后的码本索引或码本索引对的对应关系定义，从而实现反馈和 在基站和终端设备之间接收信道状态信息。

公开(公告)号：US20140050276A1

公开(公告)日：2014-02-20

申请号：US14002108

申请日：2011-11-08

申请人： Ranran ZHANG ,  Qiubin GAO ,  Meifang JING ,  Rakesh TAMRAKAR ,  Guojun XIAO

发明人： Ranran ZHANG ,  Qiubin GAO ,  Meifang JING ,  Rakesh TAMRAKAR ,  Guojun XIAO

IPC分类号： H04B7/06 ,  H04L25/03

CPC分类号： H04B7/0626 ,  H04B7/0456 ,  H04B7/0619 ,  H04B7/063 ,  H04B7/0639 ,  H04L1/0026 ,  H04L1/0031 ,  H04L25/0391

摘要： Disclosed in an embodiment of the present invention is a method for transmitting channel state information and device thereof. By applying the technical schemes of the embodiment of the present invention, in a LTE-A system using PUCCH reporting mode 1-1, in a situation where PMI feedback for 8 antenna ports is needed to be reported in a sub-frame and PUCCH capacity is limited, therefore codebook compression is required, a corresponding relationship definition of the pre-coding matrix indicator information or the pre-coding matrix indicator information pair and the codebook index or the codebook index pair after codebook compression is provided, thus realizing the feedback and receiving of channel state information between a base station and terminal equipment.

摘要翻译： 在本发明的实施例中公开了一种用于发送信道状态信息的方法及其装置。 通过应用本发明实施例的技术方案，在使用PUCCH报告模式1-1的LTE-A系统中，在需要在子帧和PUCCH容量中报告8个天线端口的PMI反馈的情况下 因此需要进行码本压缩，提供预编码矩阵指示符信息或预编码矩阵指示符信息对和码本压缩之后的码本索引或码本索引对的对应关系定义，从而实现反馈和 在基站和终端设备之间接收信道状态信息。

公开(公告)号：US20140029463A1

公开(公告)日：2014-01-30

申请号：US14002113

申请日：2011-11-08

申请人： Xin Su ,  Qiubin Gao ,  Rakesh Tamrakar ,  Zukang Shen ,  Shaohui Sun

发明人： Xin Su ,  Qiubin Gao ,  Rakesh Tamrakar ,  Zukang Shen ,  Shaohui Sun

IPC分类号： H04W24/10

CPC分类号： H04W24/10 ,  H04B7/0671 ,  H04B7/0689 ,  H04B7/0697 ,  H04L1/0003 ,  H04L1/0009 ,  H04L1/0026 ,  H04L1/003 ,  H04L1/06 ,  H04L5/0023 ,  H04L5/0048 ,  H04L5/0094

摘要： Disclosed are a method for reporting channel quality information and a device thereof, the method comprising: according to configuration information of a CSI-RS, a user equipment measuring the CSI-RS to acquire a downlink channel transmission matrix; according to a PDSCH transmission scheme used as a basis when determining a Channel Quality Indicator (CQI), and according to the measured downlink channel transmission matrix, the user equipment determining the CQI of a frequency domain reporting unit; and the user equipment reporting the determined CQI to a network side. Through the present invention, the measurement and reporting of the channel quality information based on the CSI-RS is implemented based on transmission of non-PMI feedback.

摘要翻译： 公开了一种用于报告信道质量信息的方法及其装置，所述方法包括：根据CSI-RS的配置信息，测量CSI-RS的用户设备以获取下行链路信道传输矩阵; 根据在确定信道质量指示符（CQI）时作为基础的PDSCH传输方式，根据所测量的下行链路信道传输矩阵，确定频域报告单元的CQI的用户设备; 以及将所确定的CQI报告给网络侧的用户设备。 通过本发明，基于CSI-RS的信道质量信息的测量和报告是基于非PMI反馈的传输来实现的。

公开(公告)号：US20140016496A1

公开(公告)日：2014-01-16

申请号：US14002106

申请日：2011-10-13

申请人： Xin Su ,  Qiubin Gao ,  Rakesh Tamrakar ,  Zukang Shen ,  Shaohui Sun

发明人： Xin Su ,  Qiubin Gao ,  Rakesh Tamrakar ,  Zukang Shen ,  Shaohui Sun

IPC分类号： H04W24/10

CPC分类号： H04W24/10 ,  H04B7/0626 ,  H04B7/0632 ,  H04L1/0026 ,  H04L1/20

摘要： A method and a device for reporting channel quality information are provided by the present invention, the method comprising that: measuring, by a user equipment (UE), Channel State Information-Reference Signal (CSI-RS) according to the configuration information of the CSI-RS, to acquire a downlink channel transport matrix (101); determining, by the UE, Channel Quality Indicator (CQI) of a frequency domain reporting unit according to the number of CSI-RS ports and the corresponding transmission scheme of the Physical Downlink Shared Channel (PDSCH) used when determining the CQI, and the downlink channel transport matrix acquired by measurement (102); reporting, by the UE, the determined CQI to network side (103). The present invention can realize measurement and reporting of CSI-RS-based channel quality information on the basis of non-Precoding Matrix Indicator (PMI) feedback transmissions.

摘要翻译： 本发明提供一种用于报告信道质量信息的方法和装置，所述方法包括：通过用户设备（UE）根据所述信道质量信息的配置信息测量信道状态信息参考信号（CSI-RS） CSI-RS，以获取下行链路信道传输矩阵（101）; 由UE根据CSI-RS端口的数量和在确定CQI时使用的物理下行链路共享信道（PDSCH）的相应传输方案，确定频域报告单元的信道质量指示符（CQI），以及下行链路 通过测量（102）获取的信道传输矩阵; 由所述UE向所述网络侧报告所确定的CQI。 本发明可以基于非预编码矩阵指示（PMI）反馈传输来实现基于CSI-RS的信道质量信息的测量和报告。

公开(公告)号：US20130201971A1

公开(公告)日：2013-08-08

申请号：US13704242

申请日：2011-05-17

申请人： Wenhong Chen ,  Rakesh Tamrakar ,  Guojun Xiao

发明人： Wenhong Chen ,  Rakesh Tamrakar ,  Guojun Xiao

IPC分类号： H04W72/02

CPC分类号： H04W72/02 ,  H04L5/0051 ,  H04L5/0094 ,  H04W72/042

摘要： The present invention discloses a transmission method and apparatus for non-periodic SRS. eNB configures time-domain configuration parameter of non-periodic SRS through higher layer signalling or downlink physical control channel signalling; terminal equipment transmits non-periodic SRS in indicated time-domain resource. The application of the technical solution of the embodiments of the present invention can reduce signalling consumption through high layer semi-static configuration of time-domain resource of non-periodic SRS. On one hand, flexible non-periodic SRS time-domain transmission is allowed for terminal equipment which can send non-periodic SRS in multiple subframes, which is featured by low sounding delay and great sounding bandwidth; on the other hand, flexible timing mode is also permitted for terminal equipment which brings little restriction to scheduling.

摘要翻译： 本发明公开了一种用于非周期SRS的传输方法和装置。 eNB通过高层信令或下行物理控制信道信令配置非周期SRS的时域配置参数; 终端设备在指定的时域资源中发送非周期性SRS。 本发明实施例的技术方案的应用可以通过非周期性SRS的时域资源的高层半静态配置来减少信令消耗。 一方面，对于可以在多个子帧中发送非周期性SRS的终端设备允许灵活的非周期性SRS时域传输，其特征在于低的探测延迟和巨大的探测带宽; 另一方面，对于对调度几乎没有限制的终端设备也允许灵活的定时模式。

公开(公告)号：US09363700B2

公开(公告)日：2016-06-07

申请号：US13991152

申请日：2011-11-30

申请人： Xin Su ,  Qiubin Gao ,  Rakesh Tamrakar ,  Zukang Shen

发明人： Xin Su ,  Qiubin Gao ,  Rakesh Tamrakar ,  Zukang Shen

IPC分类号： H04L1/00 ,  H04L12/26 ,  H04L12/28 ,  H04W24/10 ,  H04B7/04 ,  H04B7/06

CPC分类号： H04W24/10 ,  H04B7/0417 ,  H04B7/063 ,  H04B7/0632 ,  H04B7/0639 ,  H04L1/0026

摘要： There is disclosed method for reporting channel state so as to report channel state based upon CSI-RS. The method includes: a UE detecting configuration information of Channel State Information-Reference Signal (CSI-RS), determining according to detection result the number of ports required to report channel state based upon CSI-RS, the UE determining CSI-RS based PMI feedback scheme to be adopted in preset corresponding relationship between the number of ports and feedback scheme upon determining that the eNB is to map data of Physical Downlink Shared Channel (PDSCH) onto P (number) CSI-RS ports for transmission in a codebook-based precoding scheme, wherein the codebook-based precoding scheme is a scheme as represented in the formula of [ y ( 0 ) ⋮ y ( P - 1 ) ] = W · s , wherein W represents a codebook consisted of a precoding matrix, S is PDSCH data consisted of data layers whose quantity is equal to value of Rank Indication (RI) and   [ y ( 0 ) ⋮ y ( P - 1 ) ] represents a vector consisted of data on P (number) CSI-RS ports; and the UE calculating and reporting channel state information according to the determination result. The invention further discloses apparatus for performing the method.

摘要翻译： 公开了用于报告信道状态以便基于CSI-RS报告信道状态的方法。 该方法包括：UE检测信道状态信息参考信号（CSI-RS）的配置信息，根据检测结果确定基于CSI-RS报告信道状态所需的端口数，UE确定基于CSI-RS的PMI 在确定eNB将物理下行链路共享信道（PDSCH）的数据映射到基于码本的P（号码）CSI-RS端口上的数据之后，在端口数和反馈方案之间预设的对应关系中采用的反馈方案 预编码方案，其中基于码本的预编码方案是如[y（0）⋮y（P-1）] = W·s的公式所示的方案，其中W表示由预编码矩阵组成的码本，S是 PDSCH数据由数量等于等级指示值（RI）和[y（0）⋮y（P-1）]的数据层组成，表示由P（个数）CSI-RS端口上的数据组成的向量; 并且UE根据确定结果来计算和报告信道状态信息。 本发明还公开了用于执行该方法的装置。

公开(公告)号：US09198159B2

公开(公告)日：2015-11-24

申请号：US13704242

申请日：2011-05-17

申请人： Wenhong Chen ,  Rakesh Tamrakar ,  Guojun Xiao

发明人： Wenhong Chen ,  Rakesh Tamrakar ,  Guojun Xiao

IPC分类号： H04W4/00 ,  H04W72/02 ,  H04W72/04

CPC分类号： H04W72/02 ,  H04L5/0051 ,  H04L5/0094 ,  H04W72/042

摘要： The present invention discloses a transmission method and apparatus for non-periodic SRS. eNB configures time-domain configuration parameter of non-periodic SRS through higher layer signalling or downlink physical control channel signalling; terminal equipment transmits non-periodic SRS in indicated time-domain resource. The application of the technical solution of the embodiments of the present invention can reduce signalling consumption through high layer semi-static configuration of time-domain resource of non-periodic SRS. On one hand, flexible non-periodic SRS time-domain transmission is allowed for terminal equipment which can send non-periodic SRS in multiple subframes, which is featured by low sounding delay and great sounding bandwidth; on the other hand, flexible timing mode is also permitted for terminal equipment which brings little restriction to scheduling.

摘要翻译： 本发明公开了一种用于非周期SRS的传输方法和装置。 eNB通过高层信令或下行物理控制信道信令配置非周期SRS的时域配置参数; 终端设备在指定的时域资源中发送非周期性SRS。 本发明实施例的技术方案的应用可以通过非周期性SRS的时域资源的高层半静态配置来减少信令消耗。 一方面，对于可以在多个子帧中发送非周期性SRS的终端设备允许灵活的非周期性SRS时域传输，其特征在于低的探测延迟和巨大的探测带宽; 另一方面，对于对调度几乎没有限制的终端设备也允许灵活的定时模式。