METHOD FOR PERFORMING CHANNEL ESTIMATION, AND APPARATUS THEREFOR

    公开(公告)号:US20170187507A1

    公开(公告)日:2017-06-29

    申请号:US15319669

    申请日:2015-07-21

    CPC classification number: H04L5/0057 H04B7/04 H04B7/0417 H04B7/06 H04L5/0048

    Abstract: A method for reporting a channel state for a downlink channel to be transmitted via a two-dimensional array of antenna elements consisting of one or more horizontal antenna groups and vertical antenna groups in accordance with one embodiment of the present invention, the method being performed by a terminal, comprises the steps of: receiving a channel state information-reference signal (CSI-RS) configuration for at least one vertical antenna group and a CSI-RS configuration for at least one horizontal antenna group; and calculating channel state information on the downlink channel using the received CSI-RS configurations and transmitting the channel information to a serving cell, wherein the channel state information comprises individual channel state information for a channel of the at least one vertical antenna group (hereinafter, ‘vertical channel’) and a channel of the at least one horizontal antenna group (hereinafter, ‘horizontal channel’), a combination of the individual channel state information, or joint channel state information of the vertical channel and the horizontal channel, each of which is assigned transmission priority, and the channel state information can be transmitted according to the transmission priority.

    METHOD FOR CHANNEL MEASUREMENT AND REPORT IN WIRELESS COMMUNICATION SYSTEM AND APPARATUS THEREFOR
    23.
    发明申请
    METHOD FOR CHANNEL MEASUREMENT AND REPORT IN WIRELESS COMMUNICATION SYSTEM AND APPARATUS THEREFOR 审中-公开
    无线通信系统中通道测量和报告的方法及其设备

    公开(公告)号:US20160323901A1

    公开(公告)日:2016-11-03

    申请号:US15143319

    申请日:2016-04-29

    Abstract: A method for channel measurement and report, performed by a mobile terminal operating while retuning to a plurality of narrowbands, in a wireless communication system, according to an embodiment of the present invention includes: receiving a channel state information (CSI) feedback configuration for a control channel and a data channel from a serving base station; measuring CSI for the control channel and CSI for the data channel according to the CSI feedback configuration; reporting the measured CSI to the serving base station; and receiving narrowband indication information for the mobile terminal from the serving base station, the narrowband indication information being determined based on the measured CSI, wherein the CSI feedback configuration includes a CSI reference resource for the control channel and a CSI reference resource for the data channel, the CSI reference resources being set independently of each other, wherein each of the CSI reference resources is comprised of a narrowband or a narrowband group including one or more narrowbands.

    Abstract translation: 根据本发明的实施例的在无线通信系统中,在重新调谐到多个窄带的同时由移动终端执行的用于信道测量和报告的方法包括:接收信道状态信息(CSI)反馈配置 控制信道和来自服务基站的数据信道; 根据CSI反馈配置测量控制信道的CSI和数据信道的CSI; 将所测量的CSI报告给服务基站; 以及从所述服务基站接收所述移动终端的窄带指示信息,所述窄带指示信息是基于所测量的CSI确定的,其中所述CSI反馈配置包括用于所述控制信道的CSI参考资源和所述数据信道的CSI参考资源 CSI参考资源彼此独立地设置,其中每个CSI参考资源由包括一个或多个窄带的窄带或窄带组构成。

    METHOD FOR TRANSMITTING CHANNEL STATE INFORMATION AND APPARATUS THEREFOR
    24.
    发明申请
    METHOD FOR TRANSMITTING CHANNEL STATE INFORMATION AND APPARATUS THEREFOR 有权
    发送信道状态信息的方法及其设备

    公开(公告)号:US20160285527A1

    公开(公告)日:2016-09-29

    申请号:US15077672

    申请日:2016-03-22

    CPC classification number: H04B7/0456 H04B7/024 H04B7/0478 H04B7/065

    Abstract: A method for reporting, by a UE, a downlink channel state in a wireless communication system according to an embodiment of the present invention includes: receiving a vertical precoding matrix indicator (PMI) to be used to calculate the downlink channel state; calculating a value of the downlink channel state using the received vertical PMI; and reporting the calculated downlink channel state value to an eNB, wherein the received vertical PMI is used from a later subframe between a subframe in which the vertical PMI is received and a subframe preceding a subframe in which the calculated downlink channel state value is reported by the number of subframes necessary to calculate the downlink channel state value using the received vertical PMI.

    Abstract translation: 根据本发明的实施例的由UE报告无线通信系统中的下行链路信道状态的方法包括:接收要用于计算下行链路信道状态的垂直预编码矩阵指示符(PMI); 使用所接收的垂直PMI来计算下行链路信道状态的值; 并将计算出的下行链路信道状态值报告给eNB,其中,从接收到垂直PMI的子帧与其中所计算的下行链路信道状态值被报告的子帧之前的子帧之间的子帧之间的后一个子帧中使用所接收的垂直PMI 使用接收到的垂直PMI来计算下行链路信道状态值所需的子帧的数量。

    METHOD FOR MULTI-SUBFRAME SCHEDULING AND APPARATUS FOR THE SAME
    25.
    发明申请
    METHOD FOR MULTI-SUBFRAME SCHEDULING AND APPARATUS FOR THE SAME 有权
    多子调度方法及其设备的方法

    公开(公告)号:US20160065332A1

    公开(公告)日:2016-03-03

    申请号:US14836325

    申请日:2015-08-26

    Abstract: A method for multiple subframe sets scheduling (hereinafter, multi-subframe scheduling) in a window of the multi-subframe scheduling (hereinafter, multi-subframe scheduling window) performed by a terminal is provided. The method includes receiving multi-subframe control information for the multi-subframe scheduling, and receiving downlink data or transmitting uplink data using the multi-subframe control information, wherein the multi-subframe control information includes a field for retransmission related to each subframe of the multiple subframe sets, and the retransmission is performed in a subframe not configured as the multiple subframe sets.

    Abstract translation: 提供了一种由终端执行的多子帧调度(以下称为多子帧调度窗)的窗口中的多子帧组调度(以下称为多子帧调度)的方法。 该方法包括接收多子帧调度的多子帧控制信息,以及使用多子帧控制信息接收下行链路数据或发送上行数据,其中,多子帧控制信息包括与子帧的每个子帧有关的重传域 多个子帧组,并且在未被配置为多个子帧集合的子帧中执行重传。

    METHOD AND APPARATUS FOR PERFORMING CSI REPORTING ON BASIS OF SUBBAND GROUP

    公开(公告)号:US20200235797A1

    公开(公告)日:2020-07-23

    申请号:US16652347

    申请日:2018-09-28

    Abstract: The present disclosure relates to a method for reporting channel state information (CSI) in a wireless communication system, which is performed by a terminal, including: receiving information on CSI reporting timing from a base station; receiving, from the base station, first control information, which is information on a frequency region to be subject to subband reporting and second control information, which is information on a maximum number of subbands to be subject to subband reporting; receiving, from the base station, information on a subband starting position for setting a subband group; setting an interval between subbands based on the first control information and the second control information; setting a subband group based on an interval between the starting position and the interval between the subbands; and performing CSI reporting of the set subband group, in which the subband group is a subband to be subject to CSI reporting in the subbands.

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