Method and system for measuring a channel quality indicator, user equipment and base station

    公开(公告)号:US10200104B2

    公开(公告)日:2019-02-05

    申请号:US15836360

    申请日:2017-12-08

    Abstract: Embodiments of the present invention provide a method and a system for measuring a channel quality indicator, a user equipment and a base station. The method includes: obtaining a channel quality indicator configuration, where the channel quality indicator configuration includes a first combination, and the first combination includes a valid signal processing manner and an interfering signal processing manner; performing valid signal processing and interfering signal processing according to the valid signal processing manner and the interfering signal processing manner in the first combination to obtain a valid signal and an interfering signal; performing channel quality indicator calculation according to the valid signal and the interfering signal to obtain a channel quality indicator; and feeding the channel quality indicator back to a base station.

    METHOD AND SYSTEM FOR DATA DEMODULATION, AND USER EQUIPMENT
    5.
    发明申请
    METHOD AND SYSTEM FOR DATA DEMODULATION, AND USER EQUIPMENT 审中-公开
    用于数据解调的方法和系统以及用户设备

    公开(公告)号:US20150139022A1

    公开(公告)日:2015-05-21

    申请号:US14609908

    申请日:2015-01-30

    Abstract: The present invention discloses a method and a system for data demodulation, and a user equipment. An interference statistic characteristic is measured by using an IMR instead of a CRS or a non-zero power CSI-RS, so that the obtained interference statistic characteristic can truly reflect an interference statistic characteristic that a DMRS actually experiences, and then a PDSCH is demodulated, so as to improve accuracy of channel estimation.

    Abstract translation: 本发明公开了一种用于数据解调的方法和系统,以及用户设备。 通过使用IMR而不是CRS或非零功率CSI-RS来测量干扰统计特性,使得所获得的干扰统计特性可以真实地反映DMRS实际经历的干扰统计特性,然后对PDSCH进行解调 ,以提高信道估计的准确性。

    METHOD FOR TRIGGERING TERMINAL TO SEND SOUNDING REFERENCE SIGNAL, TERMINAL, AND BASE STATION
    6.
    发明申请
    METHOD FOR TRIGGERING TERMINAL TO SEND SOUNDING REFERENCE SIGNAL, TERMINAL, AND BASE STATION 有权
    用于触发终端以发送声音参考信号,终端和基站的方法

    公开(公告)号:US20140247789A1

    公开(公告)日:2014-09-04

    申请号:US14278082

    申请日:2014-05-15

    CPC classification number: H04W72/042 H04L5/0048 H04L5/0058 H04L5/0092

    Abstract: A method for triggering a terminal to send a sounding reference signal includes: obtaining requirement information of measurement, where the requirement information includes a position and a bandwidth of a frequency band to be measured; selecting a resource for a terminal from at least two preset resource patterns according to the requirement information, where multiple types of resource information are preset in each resource pattern of the at least two preset resource patterns to indicate a resource; and triggering the terminal to utilize the selected resource to send a sounding reference signal.

    Abstract translation: 一种用于触发终端发送探测参考信号的方法包括:获得测量需求信息,其中所述需求信息包括要测量的频带的位置和带宽; 根据所述要求信息从至少两个预设资源模式中选择用于终端的资源,其中在所述至少两个预设资源模式的每个资源模式中预先设置多种类型的资源信息以指示资源; 并且触发终端利用所选择的资源发送探测参考信号。

    Method and system for precoding data
    8.
    发明授权
    Method and system for precoding data 有权
    用于预编码数据的方法和系统

    公开(公告)号:US09112561B2

    公开(公告)日:2015-08-18

    申请号:US14547883

    申请日:2014-11-19

    Abstract: The present disclosure relates to channel state feedback in a communication system. The method includes obtaining a reference signal from an access point; deriving a rank indication, a codebook subset selection indication and a precoding matrix index based on the obtained reference signal; sending a first feedback message conveying the rank indication and the codebook subset selection indication, and sending a second feedback message conveying the precoding matrix index, to the access point; and receiving, from the access point, data precoded by a matrix derived based on the rank indication, the codebook subset selection indication and the precoding matrix index.

    Abstract translation: 本公开涉及通信系统中的信道状态反馈。 该方法包括从接入点获取参考信号; 基于所获得的参考信号,导出秩指示,码本子集选择指示和预编码矩阵索引; 发送传达所述秩指示和所述码本子集选择指示的第一反馈消息,以及向所述接入点发送传达所述预编码矩阵索引的第二反馈消息; 以及从所述接入点接收由基于所述秩指示,所述码本子集选择指示和所述预编码矩阵索引导出的矩阵预编码的数据。

    DATA TRANSMISSION METHOD AND APPARATUS
    9.
    发明申请
    DATA TRANSMISSION METHOD AND APPARATUS 有权
    数据传输方法和设备

    公开(公告)号:US20150055614A1

    公开(公告)日:2015-02-26

    申请号:US14536239

    申请日:2014-11-07

    Abstract: Embodiments of the present invention provide a data transmission method that relates to the field of communications technologies and is invented for effectively improving the spectrum efficiency of data transmission. The data transmission method includes: mapping, to a resource element according to a preset rule, data that needs to be transmitted to a user equipment, where the preset rule includes: mapping data to the resource element corresponding to a non-zero power CSI-RS in a first set of the user equipment, unless the resource element is a specific resource element, where the specific resource element includes a resource element that is among the resource elements corresponding to the non-zero power CSI-RS in the first set and overlaps a resource element corresponding to a zero power CSI-RS; and transmitting the mapped data to the user equipment. The present invention is applicable to a radio communications system such as Long Term Evolution.

    Abstract translation: 本发明的实施例提供了一种与通信技术领域相关的数据传输方法,并且被发明用于有效地提高数据传输的频谱效率。 数据传输方法包括:根据预设规则向资源元素映射需要发送给用户设备的数据,其中预设规则包括:将数据映射到对应于非零功率CSI- RS在第一组用户设备中,除非资源元素是特定资源元素,其中特定资源元素包括与第一集合中的非零功率CSI-RS对应的资源元素之间的资源元素, 与对应于零功率CSI-RS的资源元素重叠; 并将映射的数据发送到用户设备。 本发明可应用于诸如长期演进的无线电通信系统。

    Method and Apparatus for Implementing Data Transmission
    10.
    发明申请
    Method and Apparatus for Implementing Data Transmission 审中-公开
    实现数据传输的方法和装置

    公开(公告)号:US20140226592A1

    公开(公告)日:2014-08-14

    申请号:US14255660

    申请日:2014-04-17

    Abstract: A method and an apparatus for implementing data transmission are disclosed. In the method and the apparatus according to embodiments of the present invention, a base station maps modulation symbols to resource elements, and sends precoded modulation symbols to a UE, so that the UE can use reference signal frequency shift information and a mapping rule according to which the modulation symbols are mapped to the REs to complete data demodulation.

    Abstract translation: 公开了一种用于实现数据传输的方法和装置。 在根据本发明的实施例的方法和装置中,基站将调制符号映射到资源元素,并向UE发送预编码的调制符号,使得UE可以使用参考信号频移信息和映射规则 调制符号被映射到RE以完成数据解调。

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