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    • 32. 发明申请
    • Method and Apparatus for Transmitting Periodic Feedback Report
    • 用于传输周期性反馈报告的方法和装置
    • US20130188623A1
    • 2013-07-25
    • US13877165
    • 2011-06-24
    • Yijian ChenJun XuYuNgok LiJunfeng Zhang
    • Yijian ChenJun XuYuNgok LiJunfeng Zhang
    • H04W24/10
    • H04W24/10H04L1/0026H04L1/0027H04L1/0028H04L1/0071H04L1/0072
    • Disclosed in the present invention are a method and an apparatus for transmitting a periodic feedback report. In this case, the method includes: coding a periodic feedback report to be transmitted and data information corresponding to a transmission block respectively, wherein the periodic feedback report includes one of the following information: a combined coding index of rank indicator (RI) information and first pre-coding matrix indicator (PMI-1) information, a combined coding index of the RI and pre-coding type indication (PTI) information, and the PMI-1; intercepting correspondingly coded information according to the target length; and when a transmission block corresponds to a single layer or multiple layers, carrying out channel interleave on the coded information on the single layer or multiple layers to be transmitted on the transmission block, and transmitting the interleaved information on a layer corresponding to a physical uplink shared channel (PUSCH).
    • 在本发明中公开了一种用于发送周期性反馈报告的方法和装置。 在这种情况下,该方法包括:分别编码要发送的周期性反馈报告和对应于传输块的数据信息,其中周期性反馈报告包括以下信息之一:秩指示符(RI)信息的组合编码索引和 第一预编码矩阵指示符(PMI-1)信息,RI和预编码类型指示(PTI)信息的组合编码索引和PMI-1; 根据目标长度拦截相应的编码信息; 并且当传输块对应于单层或多层时,对传输块上要发送的单层或多层上的编码信息执行信道交织,并且在与物理上行链路相对应的层上发送交织信息 共享信道(PUSCH)。
    • 33. 发明授权
    • Method and terminal for feeding back channel state information
    • 用于反馈信道状态信息的方法和终端
    • US09258048B2
    • 2016-02-09
    • US13695431
    • 2011-03-10
    • Ruyue LiJun XuYijian ChenBo DaiJunfeng Zhang
    • Ruyue LiJun XuYijian ChenBo DaiJunfeng Zhang
    • H04L12/26H04B7/06H04L1/00H04B7/04
    • H04B7/065H04B7/0452H04B7/0478H04B7/0639H04L1/0026H04L1/0029
    • The present invention discloses method and terminal for feeding back channel state information. The method comprises: UE determining channel state information comprising first-type PMI and/or second-type PMI according to indication information, wherein first-type PMI is used for indicating index of one first precoding matrix in first precoding codebook, each first precoding matrix is used for mapping channel information of one wideband and/or long-term channel; second-type PMI is used for indicating index of one second precoding matrix in second precoding codebook, each second precoding matrix is used for mapping channel information of one subband and/or short-term channel; UE feeding back first-type PMI in PUCCH periodically and feeding back second-type PMI in PUSCH periodically or non-periodically, or, feeding back first-type PMI and second-type PMI in PUCCH. Through the present invention, precision of feeding back channel state information by UE is increased, and base station can dynamically select SU-MIMO or MU-MIMO transmission.
    • 本发明公开了用于反馈信道状态信息的方法和终端。 该方法包括:UE根据指示信息确定包括第一类型PMI和/或第二类型PMI的信道状态信息,其中第一类型PMI用于指示第一预编码码本中的一个第一预编码矩阵的索引,每个第一预编码矩阵 用于映射一个宽带和/或长期信道的信道信息; 第二类型PMI用于指示第二预编码码本中的一秒预编码矩阵的索引,每个第二预编码矩阵用于映射一个子带和/或短期信道的信道信息; UE周期性地在PUCCH中反馈第一类型PMI,并在PUSCH周期性或非周期性地反馈第二类型PMI,或者在PUCCH中反馈第一类型PMI和第二类型PMI。 通过本发明,UE的反馈信道状态信息的精度提高,基站能动态选择SU-MIMO或MU-MIMO传输。
    • 38. 发明申请
    • METHOD AND SYSTEM FOR ACQUIRING CHANNEL STATE INFORMATION
    • 获取信道状态信息的方法和系统
    • US20120207240A1
    • 2012-08-16
    • US13501553
    • 2010-11-02
    • Yijian ChenJun XuBo DaiRuyue LiJunfeng Zhang
    • Yijian ChenJun XuBo DaiRuyue LiJunfeng Zhang
    • H04B15/00
    • H04B7/0639H04B7/024H04B7/0417H04B7/0626H04B7/063
    • A method for acquiring channel state information is disclosed in the present invention, including: a user equipment (UE) reporting codebook index information and information about the total number of layers to a base station (eNB), wherein the codebook index information includes one of the following information: class 2 codebook index l; and class 1 codebook index i and index parameter j; and after receiving the codebook index information and information about the total number of layers sent by the UE, the base station obtaining a codeword in the manner of inquiring of a preset codebook list or in the manner of inquiring of the preset codebook list in conjunction with calculation according to the codebook index information and information about the total number of layers. A system for acquiring channel state information is also disclosed in the present invention.
    • 在本发明中公开了一种用于获取信道状态信息的方法,包括:向基站(eNB)报告码本索引信息和关于总层数的信息的用户设备(UE),其中码本索引信息包括 以下信息:class 2 codebook index l; 和1类码本索引i和索引参数j; 并且在接收到码本索引信息和关于由UE发送的总层数的信息之后,基站以查询预设码本列表的方式或以预设码本列表的查询方式结合获取码字 根据码本索引信息计算和关于总层数的信息。 本发明还公开了一种获取信道状态信息的系统。
    • 39. 发明申请
    • Methods and devices for notifying interference measurement signaling, interference measurement and feedback
    • 用于通知干扰测量信号,干扰测量和反馈的方法和装置
    • US20140355468A1
    • 2014-12-04
    • US14348766
    • 2011-12-30
    • Yu Ngok LiYijian ChenSenbao GuoHong Tang
    • Yu Ngok LiYijian ChenSenbao GuoHong Tang
    • H04W24/08H04L5/00H04W72/04
    • H04W24/08H04L5/0057H04L5/0092H04W24/10H04W72/042
    • The present disclosure provides a method for notifying an interference measurement signalling, including that: notifying, by a network side, information of M subframes included in an interference measurement subframe set or a channel quality measurement subframe set to a terminal. The present disclosure also provides a method for measuring interference, including that: receiving, by a terminal, a notification of information of an interference measurement subframe set or a quality measurement subframe set sent by a network side, performing interference measurement on each subframe of the interference measurement subframe set or the channel quality measurement subframe set, and calculating an average interference value; and determining, by the terminal, Channel Quality Indication (CQI) information according to the average interference value, and feeding the CQI information back to a base station. The present disclosure further provides a method for feeding back channel quality information, including that: performing, by a terminal, interference measurement on one or more subframes specified by a base station, determining a CQI according to the measurement result, and feeding back the CQI to the base station. The present disclosure also provides devices for implementing above methods. In the present disclosure, the base station can accurately determine a modulation and coding scheme of the terminal according to the interference measurement result, thus improving data transmission efficiency.
    • 本公开提供一种用于通知干扰测量信令的方法,包括:网络侧通知包括在干扰测量子帧集中的M个子帧或设置到终端的信道质量测量子帧的信息。 本公开还提供了一种用于测量干扰的方法,包括:由终端接收由网络侧发送的干扰测量子帧集合或质量测量子集的信息的通知,对网络侧的每个子帧执行干扰测量 干扰测量子帧集或信道质量测量子帧集,并计算平均干扰值; 以及由所述终端根据所述平均干扰值确定信道质量指示(CQI)信息,并将所述CQI信息反馈给基站。 本公开还提供了一种用于反馈信道质量信息的方法,包括:终端对由基站指定的一个或多个子帧进行干扰测量,根据测量结果确定CQI,并反馈CQI 到基站。 本公开还提供了用于实现上述方法的装置。 在本公开中,基站可以根据干扰测量结果精确地确定终端的调制和编码方案,从而提高数据传输效率。
    • 40. 发明申请
    • Method and Base Station for Informing Power Message
    • 用于通知电源信息的方法和基站
    • US20140153533A1
    • 2014-06-05
    • US14233942
    • 2011-12-14
    • Yijian ChenYu Ngok LiBo DaiZhisong ZuoYong Li
    • Yijian ChenYu Ngok LiBo DaiZhisong ZuoYong Li
    • H04W72/04H04W52/04
    • H04W72/0406H04W52/04H04W52/16H04W52/281H04W52/54
    • A method for informing about power information and a base station are disclosed in the present document. The method includes: a base station informing a user equipment of at least one of the following types of power ratio information through signalings: ratio information of transmission power for transmitting a second category of control signaling information to transmission power for transmitting dedicated demodulation pilots; and ratio information of transmission power for transmitting data information to transmission power for transmitting dedicated demodulation pilots in a subframe where data transmission occupies only one slot. In the example of the present document, when the second category of control signalings and the data are sent, different transmission layers and transmission powers can be selected, which solves the problem resulted from an inconsistency of Demodulation Reference Signal (DMRS) powers and avoids a demodulation error.
    • 本文件公开了一种用于通知功率信息和基站的方法。 该方法包括:基站通过信号通知用户设备中的以下类型的功率比信息中的至少一种:用于发送第二类控制信令信息的发送功率与用于发送专用解调导频的发送功率的比率信息; 以及用于在数据传输仅占用一个时隙的子帧中发送数据信息到用于发送专用解调导频的发送功率的发送功率的比率信息。 在本文档的示例中,当发送第二类控制信号和数据时,可以选择不同的传输层和传输功率,这解决了由于解调参考信号(DMRS)功率的不一致而导致的问题,并避免了 解调错误。