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21.发明授权公开(公告)号：US09398574B2
公开(公告)日：2016-07-19
申请号：US14237923
申请日：2012-08-07
申请人： Qiubin Gao , Ranran Zhang , Wenhong Chen , Ying Peng , Hui Li
发明人： Qiubin Gao , Ranran Zhang , Wenhong Chen , Ying Peng , Hui Li
CPC分类号： H04B7/024 , H04B7/0417 , H04B7/0621 , H04B7/0626 , H04L1/0026 , H04L5/0035 , H04L5/0048 , H04L5/0057 , H04L41/0806 , H04W24/08 , H04W24/10 , H04W72/02 , H04W72/0413 , H04W72/06
摘要： Embodiments of the present invention disclose an information transmission method and equipment based on CoMP transmission. In the method, a user equipment determines a main transmission point. The user equipment determines RANK information of the main transmission point as well as channel state information corresponding to the RANK information. The user equipment sends the RANK information of the main transmission point and the channel state information to a network side equipment. In the embodiments of the present invention, the UE reports channel state information of limited RANK of every transmission point, channel state information of unlimited RANK of the main transmission point, and relative phase information between the transmission points, etc., to the network side equipment, thereby helping the network side to better implement flexible selection and dynamic switchover of transmission schemes. Moreover, it does not notably increase feedback expenses for the UE.
摘要翻译： 本发明的实施例公开了一种基于CoMP传输的信息传输方法和设备。 在该方法中，用户设备确定主传输点。 用户设备确定主传输点的RANK信息以及对应于RANK信息的信道状态信息。 用户设备向网络侧设备发送主要传输点的RANK信息和信道状态信息。 在本发明的实施例中，UE向网络侧报告每个发送点的有限RANK的信道状态信息，主发送点的无限RANK的信道状态信息，以及发送点等之间的相对相位信息 设备，从而帮助网络端更好地实现灵活的选择和动态切换传输方案。 此外，它不会显着增加UE的反馈费用。
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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
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。
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23.发明授权Method and device for transmitting/receiving information in closed-loop multi-antenna system 有权闭环多天线系统中发送/接收信息的方法和装置公开(公告)号：US08855229B2
公开(公告)日：2014-10-07
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
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。
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公开(公告)号：US20130070634A1
公开(公告)日：2013-03-21
申请号：US13700983
申请日：2011-09-09
申请人： Qiubin Gao , Xin Su
发明人： Qiubin Gao , Xin Su
IPC分类号： H04W24/00
CPC分类号： H04W24/00 , H04B17/345 , H04W24/10
摘要： The invention relates to the technical field of wireless communications, and in particular to a method, system, and device for measuring interference, so as to solve the problem in the prior art that the precision of interference measured by a terminal is low if a cell adopts a Resource Element Muting (RE MUTING) solution. The method includes: a network side device determining configuration information of a first Resource Element (RE) group performing interference measurement (501); and the network side device generating first interference notification information according to the determined configuration information of the first RE group and sending the first interference notification information to a terminal, so as to instruct the terminal to determine the first RE group according to the first interference notification information and perform the interference measurement on the determined first RE group (502). The terminal is notified to perform the interference measurement on the first RE group, so that when the RE MUTING solution is adopted, the precision of the measured interference is increased.
摘要翻译： 本发明涉及无线通信的技术领域，特别涉及用于测量干扰的方法，系统和设备，以解决现有技术中由终端测量的干扰精度低的问题，如果小区 采用资源元素静音（RE MUTING）解决方案。 该方法包括：网络侧设备，确定执行干扰测量的第一资源元素（RE）组的配置信息; 网络侧设备根据所确定的第一RE组的配置信息生成第一干扰通知信息，并向终端发送第一干扰通知信息，以指示终端根据第一干扰通知确定第一RE组 信息并对确定的第一RE组执行干扰测量（502）。 通知终端对第一RE组执行干扰测量，以便在采用RE MUTING解决方案时，测量干扰的精度提高。
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公开(公告)号：US09936410B2
公开(公告)日：2018-04-03
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
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.
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公开(公告)号：US09872190B2
公开(公告)日：2018-01-16
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
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.
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公开(公告)号：US09042927B2
公开(公告)日：2015-05-26
申请号：US13386423
申请日：2010-09-28
申请人： Qiubin Gao , Deshan Miao , Ying Peng , Shaohui Sun
发明人： Qiubin Gao , Deshan Miao , Ying Peng , Shaohui Sun
CPC分类号： H04W72/1278 , H04B7/024 , H04J11/0053 , H04W16/28 , H04W92/20
摘要： A method and a device for performing space coordination among cells are disclosed in the present invention, and the method includes that a base station in a serving cell acquires the channel information of a terminal; the base station in said serving cell performs pre-scheduling to said terminal, according to the acquired channel information of said terminal and the service requirement of said terminal; the base station in said serving cell transfers the pre-scheduling information to the base station in said coordinated cell, so that the base station in said coordinated cell performs coordinated scheduling/coordinated beam-forming with the base station in said serving cell together, according to said pre-scheduling information. With the solution of the present invention, the pre-scheduling information is transferred between base stations in various coordinated transmission cells, and the coordinated scheduling/beam-forming is performed according to the pre-scheduling information, thus, the coordinated scheduling/beam-forming is implemented with less amount of information exchange, and the spectrum efficiency of cell-edge terminal is improved.
摘要翻译： 在本发明中公开了一种用于在小区之间进行空间协调的方法和装置，该方法包括：服务小区中的基站取得终端的信道信息; 所述服务小区中的基站根据获取的所述终端的信道信息和所述终端的业务需求，对所述终端执行预调度; 所述服务小区中的基站将所述预调度信息传送到所述协同小区中的基站，使得所述协同小区中的基站与所述服务小区中的基站一起进行协调的调度/协调波束形成，根据 到所述预调度信息。 通过本发明的解决方案，在各种协调的传输小区中的基站之间传送预调度信息，并根据预调度信息进行协调的调度/波束形成，因此，协调的调度/ 通过更少的信息交换实现形成，提高了小区边缘终端的频谱效率。
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28.发明申请公开(公告)号：US20150085763A1
公开(公告)日：2015-03-26
申请号：US14237923
申请日：2012-08-07
申请人： Qiubin Gao , Ranran Zhang , Wenhong Chen , Ying Peng , Hui Li
发明人： Qiubin Gao , Ranran Zhang , Wenhong Chen , Ying Peng , Hui Li
CPC分类号： H04B7/024 , H04B7/0417 , H04B7/0621 , H04B7/0626 , H04L1/0026 , H04L5/0035 , H04L5/0048 , H04L5/0057 , H04L41/0806 , H04W24/08 , H04W24/10 , H04W72/02 , H04W72/0413 , H04W72/06
摘要： Embodiments of the present invention disclose an information transmission method and equipment based on CoMP transmission. In the method, a user equipment determines a main transmission point. The user equipment determines RANK information of the main transmission point as well as channel state information corresponding to the RANK information. The user equipment sends the RANK information of the main transmission point and the channel state information to a network side equipment. In the embodiments of the present invention, the UE reports channel state information of limited RANK of every transmission point, channel state information of unlimited RANK of the main transmission point, and relative phase information between the transmission points, etc., to the network side equipment, thereby helping the network side to better implement flexible selection and dynamic switchover of transmission schemes. Moreover, it does not notably increase feedback expenses for the UE.
摘要翻译： 本发明的实施例公开了一种基于CoMP传输的信息传输方法和设备。 在该方法中，用户设备确定主传输点。 用户设备确定主传输点的RANK信息以及对应于RANK信息的信道状态信息。 用户设备向网络侧设备发送主要传输点的RANK信息和信道状态信息。 在本发明的实施例中，UE向网络侧报告每个发送点的有限RANK的信道状态信息，主发送点的无限RANK的信道状态信息，以及发送点等之间的相对相位信息 设备，从而帮助网络方面更好地实施灵活的选择和动态切换传输方案。 此外，它不会显着增加UE的反馈费用。
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29.发明申请公开(公告)号：US20150071187A1
公开(公告)日：2015-03-12
申请号：US14235453
申请日：2012-08-01
申请人： Wen hong Chen , Qiubin Gao , Ranran Zhang
发明人： Wen hong Chen , Qiubin Gao , Ranran Zhang
CPC分类号： H04B7/0626 , H04L1/0026 , H04L1/0027 , H04L1/0076 , H04W72/042
摘要： The invention discloses a method of and apparatus for indicating a feedback of and feeding back Channel State Information (CSI) and relates to the field of wireless communication technologies so as to implement a solution in which a user equipment feeds back CSI aperiodically for a set of measurement information of transmission point and/or a measurement set indicated by abuse station. In the invention, abuse station determines from a result of joint scheduling of multiple transmission points a set of measurement information of transmission point and/or a measurement set corresponding to a set of downlink carriers for which CSI is to be fed back aperiodically by a user equipment; and the base station sends to the user equipment indication information for the determined set of measurement information of transmission point and/or the determined measurement set corresponding to the set of downlink carriers for which CSI is to be fed back aperiodically. The user equipment feeds back CSI aperiodically according to the indication information. With the invention, the user equipment can feed back CSI aperiodically for the set of measurement information of transmission point and/or the measurement set indicated by the base station.
摘要翻译： 本发明公开了一种用于指示信道状态信息（CSI）的反馈和反馈的方法和装置，并且涉及无线通信技术领域，以便实现用户设备不经常地反馈CSI的解决方案，用于一组 传输点的测量信息和/或滥用站指示的测量集。 在本发明中，滥用站根据多个发送点的联合调度的结果，确定发送点的测量信息的集合和/或对应于CSI将被用户非周期地反馈的一组下行链路载波的测量集合 设备; 并且基站向用户设备指示信息，用于确定传输点的测量信息集合和/或对应于不期望CSI反馈的下行链路载波集合的确定的测量集合。 用户设备根据指示信息不定期反馈CSI。 利用本发明，用户设备可以对发送点的测量信息和/或由基站指示的测量集合的测量信息进行非周期反馈。
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30.发明授权Method and system for coordinated transmission and a mobile terminal and network side device 有权协调传输的方法和系统以及移动终端和网络侧设备公开(公告)号：US08855068B2
公开(公告)日：2014-10-07
申请号：US13144633
申请日：2010-01-13
申请人： Fei Qin , Jinbo Zhao , Shaohui Sun , Li Liu , Qiubin Gao , Rakesh Tamrakar , Chun Luo
发明人： Fei Qin , Jinbo Zhao , Shaohui Sun , Li Liu , Qiubin Gao , Rakesh Tamrakar , Chun Luo
CPC分类号： H04W24/10 , H04B7/024 , H04B17/309 , H04B17/382 , H04L5/0007 , H04L5/0032 , H04L5/0035 , H04L25/0202 , H04W72/0426 , H04W72/1215 , H04W72/1242 , H04W72/1263
摘要： A method and a system for coordinated transmission, and a mobile terminal and network side device are provided. The method for coordinated transmission includes: reporting by the terminal of a signal measurement result; determining the coordinated transmission state of the terminal according to the signal measurement result; and providing transmission service for the terminal according to the determined transmission state.
摘要翻译： 提供了一种用于协调传输的方法和系统，以及一种移动终端和网络侧设备。 协调传输的方法包括：由终端报告信号测量结果; 根据信号测量结果确定终端的协调传输状态; 并根据确定的传输状态为终端提供传输服务。
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