公开(公告)号：US20180102823A1

公开(公告)日：2018-04-12

申请号：US15836360

申请日：2017-12-08

Applicant: Huawei Technologies Co., Ltd.

Inventor： Jingyuan SUN ,  Yongxing ZHOU ,  David MAZZARESE ,  Xiaotao REN

IPC: H04B7/06 ,  H04W52/24 ,  H04W24/08 ,  H04L1/00

CPC classification number: H04B7/0632 ,  H04B7/0456 ,  H04B7/0639 ,  H04B17/345 ,  H04L1/0026 ,  H04W24/08 ,  H04W52/243

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.

公开(公告)号：US20180083675A1

公开(公告)日：2018-03-22

申请号：US15823046

申请日：2017-11-27

Applicant: Huawei Technologies Co., Ltd.

Inventor： Jianguo WANG ,  Yongxing ZHOU

IPC: H04B7/04 ,  H04W72/04 ,  H04L1/06

CPC classification number: H04B7/0465 ,  H04B7/0478 ,  H04L1/06 ,  H04W72/042 ,  H04W72/046

Abstract: The present disclosure discloses a method, a user equipment and a base station for determining a PMI. The method includes: receiving a reference signal set sent by a base station; based on the reference signal set, selecting a precoding matrix from a codebook, the codebook at least including a non-constant modulus precoding matrix, the non-constant modulus precoding matrix at least including a non-constant modulus column vector, amplitude values of at least two elements of the non-constant modulus column vector forming a symmetrical sequence; and sending a PMI to the base station, the PMI corresponding to the selected precoding matrix. According to the method, the user equipment and the base station for determining PMI, because the non-constant modulus precoding matrix included in the adopted codebook can adjust the shape of a beam, antennas may focus power on a hotspot region, and thus a load balance may be effectively realized.

公开(公告)号：US20180062813A1

公开(公告)日：2018-03-01

申请号：US15803671

申请日：2017-11-03

Applicant: Huawei Technologies Co., Ltd.

Inventor： Jingyuan SUN ,  David jean-marie MAZZARESE ,  Yongxing ZHOU ,  Liang XIA ,  Xiaotao REN ,  Yan CHENG

IPC: H04L5/00 ,  H04B7/06 ,  H04L1/00

CPC classification number: H04L5/0048 ,  H04B7/024 ,  H04B7/0626 ,  H04L1/0026 ,  H04L1/0027

Abstract: Embodiments of the present invention provide a channel-state information process processing method, a network device, and a user equipment, where the channel-state information process processing method includes: after receiving a first channel-state information CSI request sent by a first network device, if CSI corresponding to multiple aperiodic CSI processes has not been reported by a user equipment, dropping CSI corresponding to a part of aperiodic CSI processes among the multiple aperiodic CSI processes, where each CSI process is associated with a channel measurement resource and an interference measurement resource. A problem existing after a CoMP technology is introduced can be solved that the UE cannot implement processing of multiple CSI processes.

公开(公告)号：US20180027536A1

公开(公告)日：2018-01-25

申请号：US15722816

申请日：2017-10-02

Applicant: Huawei Technologies Co., Ltd.

Inventor： Lei GUAN ,  Lixia XUE ,  Yongxing ZHOU

IPC: H04W72/04 ,  H04W72/12 ,  H04L5/00 ,  H04W72/00 ,  H04W76/04 ,  H04W74/08

CPC classification number: H04W72/042 ,  H04L5/0053 ,  H04W72/005 ,  H04W72/0446 ,  H04W72/1278 ,  H04W74/0833 ,  H04W76/27

Abstract: Embodiments of the present invention provide a control information sending method, receiving method, and device. The control information sending method includes: determining a first subframe of a first radio frame on a first carrier, where the first subframe includes a control region; sending control information in the control region of the first subframe of the first radio frame to a user equipment, where the control information includes a PDCCH; and sending an ePDCCH in a second subframe of the first radio frame to the user equipment. According to the embodiments of the present invention, when control information borne on an ePDCCH cannot be sent in a first radio frame, a PDCCH can still be sent to a user equipment through a control region in a first subframe, thereby achieving purposes of performing uplink/downlink scheduling for the user equipment and downlink feedback for uplink data of the user equipment.

公开(公告)号：US20170126376A1

公开(公告)日：2017-05-04

申请号：US15403272

申请日：2017-01-11

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Jianguo WANG ,  Yongxing ZHOU

IPC: H04L5/00 ,  H04W72/04

CPC classification number: H04L5/0044 ,  H04B7/0417 ,  H04B7/0452 ,  H04L5/006 ,  H04W72/042 ,  H04W88/02

Abstract: Embodiments of the present invention disclose a data transmission method, user equipment, and a base station. The method include: receiving a first reference signal set; obtaining, based on the first reference signal set and a first codeword-to-layer mapping, CSI that includes a rank indicator RI and a channel quality indicator CQI, and sending the CSI; receiving a second reference signal set; and receiving, based on the second reference signal set and a second codeword-to-layer mapping, data, where a quantity of layers to which at least one codeword is mapped in the first codeword-to-layer mapping is less than a quantity of layers to which a codeword is mapped in the second codeword-to-layer mapping. According to the embodiments of the present invention, precision of an MCS used during data transmission may be improved, and a throughput of a communications system may be enhanced.

公开(公告)号：US20160359605A1

公开(公告)日：2016-12-08

申请号：US15242864

申请日：2016-08-22

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Yongxing ZHOU ,  Kunpeng Liu ,  Weijun SUN ,  Yunzhe HOU

IPC: H04L5/00 ,  H04W72/04 ,  H04L1/00 ,  H04W72/12 ,  H04W72/06

CPC classification number: H04L5/0057 ,  H04L1/0004 ,  H04L1/001 ,  H04L1/0026 ,  H04L1/0027 ,  H04L1/003 ,  H04W72/0406 ,  H04W72/0413 ,  H04W72/06 ,  H04W72/1231 ,  H04W72/1278 ,  H04W72/1284

Abstract: Methods and apparatus are provided for transmitting channel quality information. User equipment receives a control signaling for uplink scheduling. The control signaling for uplink scheduling includes at least one modulation and coding scheme (MCS) field, a channel quality information request field, and a resource block allocation field indicating the number of resource blocks (RBs), NRB, allocated to the user equipment for transmitting the channel quality information. When the channel quality information of multiple downlink carriers is requested, the user equipment transmits only the channel quality information on the uplink shared channel according to the allocated RBs if: the MCS bit field corresponding to one transport block indicates a MCS corresponding to a retransmitted data packet; the request bit field indicates a request for the channel quality information; and the NRB is equal to or less than 4*N, wherein N is a positive integer and corresponds to the number of multiple downlink carriers.

Abstract translation: 提供了传输信道质量信息的方法和装置。 用户设备接收上行调度的控制信令。 用于上行链路调度的控制信令包括至少一个调制和编码方案（MCS）字段，信道质量信息请求字段和指示分配给用户设备的资源块（RB）数量NRB的资源块分配字段 传输信道质量信息。 当请求多个下行链路载波的信道质量信息时，如果以下情况，则用户设备根据所分配的RB仅发送上行链路共享信道上的信道质量信息：对应于一个传输块的MCS位字段指示与重发数据相对应的MCS 包; 请求位字段表示对信道质量信息的请求; 并且NRB等于或小于4 * N，其中N是正整数，并且对应于多个下行链路载波的数量。

公开(公告)号：US20160065278A1

公开(公告)日：2016-03-03

申请号：US14936092

申请日：2015-11-09

Applicant: Huawei Technologies Co., Ltd.

Inventor： Jianguo WANG ,  Yongxing ZHOU ,  Yong WU ,  Liang XIA

IPC: H04B7/04 ,  H04L5/00 ,  H04B7/06

CPC classification number: H04B7/0456 ,  H04B7/0639 ,  H04L5/0048

Abstract: A method for determining a precoding matrix indicator, user equipment, and a base station are disclosed in embodiments of the present invention. The method includes: receiving a first reference signal set sent by a base station, where the first reference signal set is associated with a user equipment-specific matrix or matrix set; selecting a precoding matrix based on the first reference signal set, where the precoding matrix is a function of the user equipment-specific matrix or matrix set; and sending a precoding matrix indicator to the base station, where the precoding matrix indicator corresponds to the selected precoding matrix. In the embodiments of the present invention, CSI feedback precision can be improved without excessively increasing feedback overhead, thereby improving system performance.

Abstract translation: 在本发明的实施例中公开了一种用于确定预编码矩阵指示符，用户设备和基站的方法。 该方法包括：接收由基站发送的第一参考信号集，其中第一参考信号组与用户设备专用矩阵或矩阵组相关联; 基于第一参考信号集合选择预编码矩阵，其中预编码矩阵是用户设备特定矩阵或矩阵集合的函数; 并向基站发送预编码矩阵指示符，其中预编码矩阵指示符对应于所选择的预编码矩阵。 在本发明的实施例中，可以提高CSI反馈精度，而不会过度增加反馈开销，从而提高系统性能。

公开(公告)号：US20150311966A1

公开(公告)日：2015-10-29

申请号：US14793543

申请日：2015-07-07

Applicant: Huawei Technologies Co., Ltd.

Inventor： David MAZZARESE ,  Yongxing ZHOU

IPC: H04B7/04 ,  H04L25/03 ,  H04L5/00 ,  H04B7/06

CPC classification number: H04B7/0486 ,  H04B7/0417 ,  H04B7/063 ,  H04B7/0632 ,  H04B7/0639 ,  H04L1/0026 ,  H04L1/0028 ,  H04L5/0023 ,  H04L5/0037 ,  H04L5/0048 ,  H04L5/0057 ,  H04L5/006 ,  H04L25/03923 ,  H04L25/03949 ,  H04W88/08

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。

公开(公告)号：US20150304010A1

公开(公告)日：2015-10-22

申请号：US14788191

申请日：2015-06-30

Applicant: Huawei Technologies Co., Ltd.

Inventor： Leiming ZHANG ,  Yongxing ZHOU ,  Jianghua LIU ,  Qiang WU ,  Jianguo WANG

IPC: H04B7/06 ,  H04B7/04 ,  H04L5/00

CPC classification number: H04B7/0626 ,  H04B7/0456 ,  H04B7/0617 ,  H04B7/0619 ,  H04B7/0621 ,  H04B7/0639 ,  H04L1/0026 ,  H04L5/005 ,  H04L25/0204 ,  H04L25/0228 ,  H04L25/0246 ,  H04L25/03343 ,  H04L25/03898 ,  H04W88/02 ,  H04W88/08

Abstract: A channel state information (CSI) reporting method is provided. A reference signal is received from a base station. A precoding matrix is selected, based on the reference signal, from a codebook, where the codebook includes a precoding matrix W and W=αSV, where a matrix V is an N×ν matrix, N is the number of reference signal ports, ν≦N, S is a row selection matrix used to select one or more row vectors from the matrix V, and α is a constant. CSI is sent to the base station, where the CSI includes a precoding matrix indicator PMI and the PMI is corresponding to the selected precoding matrix. A suitable precoding matrix can be selected according to an interference situation, so as to select an antenna for transmitting data and power of the antenna.

Abstract translation: 提供了一种信道状态信息（CSI）报告方法。 从基站接收参考信号。 基于参考信号从码本中选择预编码矩阵，其中码本包括预编码矩阵W和W =αSV，其中矩阵V是N×＆ngr; 矩阵，N是参考信号端口的数量，＆ngr;＆nlE; N，S是用于从矩阵V中选择一个或多个行向量的行选择矩阵，α是常数。 将CSI发送到基站，其中CSI包括预编码矩阵指示符PMI，并且PMI对应于所选择的预编码矩阵。 可以根据干扰情况选择合适的预编码矩阵，以便选择用于发送天线的数据和功率的天线。

公开(公告)号：US20150200760A1

公开(公告)日：2015-07-16

申请号：US14671952

申请日：2015-03-27

Applicant: Huawei Technologies Co., Ltd.

Inventor： Liang XIA ,  Yongxing ZHOU ,  David Jean-Marie MAZZARESE ,  Jingyuan SUN

IPC: H04L5/00 ,  H04W24/10 ,  H04W72/12

CPC classification number: H04L5/0053 ,  H04B17/345 ,  H04L1/00 ,  H04W24/00 ,  H04W24/08 ,  H04W24/10 ,  H04W72/02 ,  H04W72/1273 ,  H04W88/02 ,  H04W88/08

Abstract: Embodiments of the present invention provide an interference measurement method, a base station, and a user equipment. The method includes: determining, by a user equipment, a first resource for interference measurement in a first subframe or determining a second resource not for interference measurement in the first subframe according to at least one of the zero-power CSI-RS configuration information, the non-zero power CSI-RS configuration information, and the CSI-IM configuration information; and performing interference measurement on the first resource, or performing no interference measurement on the second resource. The embodiments of the present invention can improve precision of interference measurement.

Abstract translation: 本发明的实施例提供了一种干扰测量方法，基站和用户设备。 该方法包括：根据零功率CSI-RS配置信息中的至少一个，由用户设备确定用于第一子帧中的干扰测量的第一资源或者确定不用于第一子帧中的干扰测量的第二资源， 非零功率CSI-RS配置信息和CSI-IM配置信息; 对所述第一资源进行干扰测量，或对所述第二资源进行干扰测量。 本发明的实施例可以提高干涉测量的精度。