公开(公告)号：US10027463B2

公开(公告)日：2018-07-17

申请号：US14754273

申请日：2015-06-29

Applicant: Huawei Technologies Co., Ltd.

Inventor： Jianguo Wang ,  Jianghua Liu ,  Qiang Wu

IPC: H04L5/00 ,  H04B7/06 ,  H04B17/318 ,  H04W24/06

Abstract: A reference signal measurement method, a reference signal sending method, a user equipment, and a base station are provided. According to solutions in the embodiments of the present application, a user equipment determines reference signal resource configuration, which includes reference signal port configuration, reference signal subframe configuration, and reference signal configuration, and a quantity of ports configured in the reference signal port configuration is N; receives a reference signal according to the reference signal resource configuration; and performs measurement based on the received reference signal to obtain channel state information and/or signal quality information. In the embodiments of the present invention, a quantity of ports configured in the reference signal port configuration is N; and a quantity of supported ports may vary with different values of N.

公开(公告)号：US20180159667A1

公开(公告)日：2018-06-07

申请号：US15889076

申请日：2018-02-05

Applicant: Huawei Technologies Co., Ltd.

Inventor： Chaojun Li ,  Sha Ma ,  Qiang Wu

IPC: H04L1/18 ,  H04W72/04 ,  H04W72/12 ,  H04L5/00 ,  H04W52/26 ,  H04L1/20 ,  H04L1/16 ,  H04W52/20 ,  H04W52/24 ,  H04W52/14

CPC classification number: H04L1/1861 ,  H04L1/1685 ,  H04L1/1825 ,  H04L1/1854 ,  H04L1/1864 ,  H04L1/203 ,  H04L5/0053 ,  H04W52/146 ,  H04W52/20 ,  H04W52/248 ,  H04W52/262 ,  H04W72/0413 ,  H04W72/1231

Abstract: Embodiments of the present invention provide a method for processing feedback information, abase station, and a user equipment. The method includes: determining, by abase station, a feedback manner of HARQ feedback information, where the feedback manner includes feeding back the HARQ feedback information or not feeding back the HARQ feedback information; and sending, by the base station, first signaling to a user equipment, where the first signaling carries the feedback manner of the HARQ feedback information. The embodiments of the present invention can improve an HARQ mechanism, so as to support new technologies in a small cell more effectively.

公开(公告)号：US09923673B2

公开(公告)日：2018-03-20

申请号：US14801408

申请日：2015-07-16

Applicant: Huawei Technologies Co., Ltd.

Inventor： Chaojun Li ,  Sha Ma ,  Qiang Wu

IPC: H04L1/18 ,  H04L5/00 ,  H04W72/04 ,  H04W52/26 ,  H04W72/12 ,  H04W52/20 ,  H04L1/16 ,  H04L1/20 ,  H04W52/14 ,  H04W52/24

CPC classification number: H04L1/1861 ,  H04L1/1685 ,  H04L1/1825 ,  H04L1/1854 ,  H04L1/1864 ,  H04L1/203 ,  H04L5/0053 ,  H04W52/146 ,  H04W52/20 ,  H04W52/248 ,  H04W52/262 ,  H04W72/0413 ,  H04W72/1231

Abstract: Embodiments of the present invention provide a method for processing feedback information, a base station, and a user equipment. The method includes: determining, by a base station, a feedback manner of HARQ feedback information, where the feedback manner includes feeding back the HARQ feedback information or not feeding back the HARQ feedback information; and sending, by the base station, first signaling to a user equipment, where the first signaling carries the feedback manner of the HARQ feedback information. The embodiments of the present invention can improve an HARQ mechanism, so as to support new technologies in a small cell more effectively.

公开(公告)号：US20170353227A1

公开(公告)日：2017-12-07

申请号：US15686692

申请日：2017-08-25

Applicant: Huawei Technologies Co., Ltd.

Inventor： Jianqin Liu ,  Yongxing Zhou ,  Jianghua Liu ,  Qiang Wu

IPC: H04B7/06 ,  H04L5/00 ,  H04L27/26

CPC classification number: H04B7/0691 ,  H04B7/06 ,  H04B7/0617 ,  H04B7/0695 ,  H04L5/003 ,  H04L5/0044 ,  H04L5/0048 ,  H04L27/2605 ,  H04L27/2613 ,  H04W16/28 ,  H04W36/00

Abstract: A data transmission method, apparatus, and system, and user equipment are provided. The data transmission method may include determining configuration information of a first time unit in a radio time window, where the first time unit includes multiple sub-time units, a switching time period and a transmission time period are reserved in a first sub-time unit at an interval of at least N sub-time units in the first time unit, the switching time period is used to perform analog beam switching for a common channel and/or a common reference signal, and N is a natural number. The method also includes transmitting the common channel and/or the common reference signal in the first sub-time unit in the first time unit according to the configuration information of the first time unit, where the common channel and/or the common reference signal are/is transmitted in the transmission time period.

公开(公告)号：US09668254B2

公开(公告)日：2017-05-30

申请号：US14693510

申请日：2015-04-22

Applicant: Huawei Technologies Co., Ltd.

Inventor： Jianqin Liu ,  Yongxing Zhou ,  Qiang Wu

IPC: H04W72/04 ,  H04L25/03 ,  H04L5/00 ,  H04W88/02 ,  H04W88/08 ,  H04J11/00 ,  H04J13/10 ,  H04L1/00

CPC classification number: H04W72/042 ,  H04J11/0069 ,  H04J13/10 ,  H04L1/0045 ,  H04L1/0046 ,  H04L1/0072 ,  H04L5/0051 ,  H04L5/0053 ,  H04L25/03866 ,  H04W88/02 ,  H04W88/08

Abstract: A method and a device for scrambling sequence configuration, a user equipment and a base station are provided. The method includes: obtaining a search space and/or a transmission mode corresponding to an enhanced control channel; performing a scrambling initialization operation according to the search space and/or the transmission mode, and determining an initialization value of a scrambling sequence; determining the scrambling sequence according to the initialization value of the scrambling sequence; and scrambling a transmission signal transmitted by the enhanced control channel according to the scrambling sequence and then transmitting, so that a user equipment which receives the transmission signal performs a descrambling operation according to the scrambling sequence in the transmission signal. Randomization of interferences between different cells or terminals can be guaranteed as far as possible.

公开(公告)号：US09419693B2

公开(公告)日：2016-08-16

申请号：US14799296

申请日：2015-07-14

Applicant: Huawei Technologies Co., Ltd.

Inventor： Hongping Zhang ,  Dong Lei ,  Yi Guo ,  Qiang Wu

IPC: H04B7/02 ,  H04B7/04 ,  H04L12/24 ,  H04B7/06 ,  H04W88/02 ,  H04W88/08

CPC classification number: H04B7/046 ,  H04B7/0417 ,  H04B7/0486 ,  H04B7/063 ,  H04B7/0632 ,  H04B7/0645 ,  H04L41/12 ,  H04W72/042 ,  H04W84/042 ,  H04W88/02 ,  H04W88/08

Abstract: The present invention provides a method for determining a rank indication (RI) bit number, a base station, and a terminal. The method includes: determining, by a base station, indication information according to a correspondence between a terminal and the base station and a multi-input multi-output (MIMO) capability of the terminal, where the indication information includes information used by the terminal for determining a bit number occupied for sending a RI; and sending, by the base station, the indication information to the terminal, so that the terminal determines, according to the indication information, the bit number occupied for sending the RI. In the present invention, the UE and the base station agree on understanding of the bit number occupied by RI information.

Abstract translation: 本发明提供了一种用于确定秩指示（RI）比特数，基站和终端的方法。 该方法包括：基站根据终端与基站之间的对应关系和终端的多输入多输出（MIMO）能力确定指示信息，其中指示信息包括终端使用的信息 用于确定用于发送RI所占用的比特数; 并且由基站向终端发送指示信息，使得终端根据指示信息确定用于发送RI所占用的比特数。 在本发明中，UE和基站同意对RI信息所占用的比特数的理解。

公开(公告)号：US09306652B2

公开(公告)日：2016-04-05

申请号：US14336747

申请日：2014-07-21

Applicant: Huawei Technologies Co., Ltd.

Inventor： Jianghua Liu ,  Qiang Wu ,  Chi Gao

IPC: H04B7/06 ,  H04L5/00 ,  H04L25/02 ,  H04B7/04 ,  H04L25/03

CPC classification number: H04B7/0413 ,  H04B7/0452 ,  H04B7/0684 ,  H04B7/0697 ,  H04L1/0606 ,  H04L1/0643 ,  H04L5/0023 ,  H04L5/0048 ,  H04L5/0051 ,  H04L5/0053 ,  H04L25/0204 ,  H04L25/0226 ,  H04L2025/03426 ,  H04W72/042 ,  H04W84/042

Abstract: Embodiments of the present invention disclose a method and an apparatus for transmitting data, and the method includes: first setting at least two second resource groups in each first resource group of at least one first resource group, and setting at least two reference signals in each of the second resource groups; then encoding data to be transmitted and generating two data streams from the encoded data; then, mapping the two data streams onto an available resource element of two different antenna ports, in which the reference signals corresponding to the two different antenna ports are set on two different second resource groups; and finally, transmitting, on the available resource element of the two different antenna ports, data on the two antenna ports. The present invention is applicable to the field of communications systems.

Abstract translation: 本发明的实施例公开了一种用于发送数据的方法和装置，该方法包括：首先在至少一个第一资源组的每个第一资源组中设置至少两个第二资源组，并且在每个第一资源组中设置至少两个参考信号 的第二资源组; 然后对要发送的数据进行编码，并从编码数据生成两个数据流; 然后将两个数据流映射到两个不同天线端口的可用资源元素上，其中对应于两个不同天线端口的参考信号被设置在两个不同的第二资源组上; 最后，在两个不同天线端口的可用资源元件上发送两个天线端口上的数据。 本发明可应用于通信系统领域。

公开(公告)号：US20150327271A1

公开(公告)日：2015-11-12

申请号：US14802585

申请日：2015-07-17

Applicant: Huawei Technologies Co., Ltd.

Inventor： Qiang Wu ,  Jianqin Liu ,  Jianghua Liu

IPC: H04W72/04 ,  H04W24/02 ,  H04L12/26

CPC classification number: H04W72/0453 ,  H04L5/001 ,  H04L5/0048 ,  H04L5/0053 ,  H04L43/50 ,  H04W24/02 ,  H04W72/02 ,  H04W72/12 ,  H04W88/08

Abstract: The present invention discloses an enhanced physical downlink control channel (EPDCCH) candidate determining method and device, and relates to the field of wireless communications, so as to avoid EPDCCH blocking and improve reliability of control information transmission. The method of the present invention includes: determining an EPDCCH resource set p in a subframe k, where the EPDCCH resource set p includes NECCE,p,k=q×r enhanced control channel elements (ECCEs), an EPDCCH candidate of an EPDCCH with an aggregation level being L corresponds to L ECCEs having consecutive reference numerals, and an EPDCCH candidate is capable of carrying an EPDCCH; and determining the number of EPDCCH candidates at the aggregation level L of a carrier corresponding to an index Cellindex and an ECCE corresponding to each EPDCCH candidate, where the ECCE corresponding to each EPDCCH candidate at the aggregation level L is related to the index Cellindex.

Abstract translation: 本发明公开了一种增强型物理下行链路控制信道（EPDCCH）候选确定方法和装置，涉及无线通信领域，以避免EPDCCH的阻塞，提高控制信息传输的可靠性。 本发明的方法包括：在子帧k中确定EPDCCH资源集p，其中EPDCCH资源集p包括NECCE，p，k = q×r增强控制信道单元（ECCE），EPDCCH的EPDCCH候选，具有 聚合级别L对应于具有连续参考标号的L ECCE，并且EPDCCH候选能够携带EPDCCH; 以及确定与对应于每个EPDCCH候选的索引Cellindex和ECCE对应的载波的聚合级L的EPDCCH候选的数量，其中与聚合级L上的每个EPDCCH候选相对应的ECCE与索引Cellindex相关。

公开(公告)号：US09124321B2

公开(公告)日：2015-09-01

申请号：US14565979

申请日：2014-12-10

Applicant: Huawei Technologies Co., Ltd.

Inventor： Qiang Wu ,  Mattias Frenne ,  Weijun Sun ,  Yongxing Zhou

IPC: H04B7/10 ,  H04B7/04 ,  H04B7/06 ,  H04L25/03 ,  H04W72/04

CPC classification number: H04B7/0456 ,  H04B7/0469 ,  H04B7/0478 ,  H04B7/0482 ,  H04B7/0639 ,  H04B7/0663 ,  H04B7/10 ,  H04L25/03904 ,  H04L25/03942 ,  H04L25/03949 ,  H04W72/0413

Abstract: A method and an apparatus for sending a Precoding Matrix Index (PMI) and performing precoding are provided in the embodiments of the present invention. The method for sending the PMI comprises the following steps: a user equipment acquires the transmission channel capability of carrying the PMI; according to the transmission channel capability of carrying the PMI, the precoding matrices are selected from a locally-stored first codebook set to form a second codebook set; a first precoding matrix is selected from the second codebook set; an index corresponding to the first precoding matrix is sent to a base station over the transmission channel so as to make the base station can find out the first precoding matrix according to the index and precode the data according to the first precoding matrix. The embodiments of the present invention can realize the flexible configuration and use of the PMI.

Abstract translation: 在本发明的实施例中提供了用于发送预编码矩阵索引（PMI）和执行预编码的方法和装置。 发送PMI的方法包括以下步骤：用户设备获取携带PMI的传输信道能力; 根据携带PMI的传输信道能力，从本地存储的第一码本集中选择预编码矩阵以形成第二码本集合; 从第二码本集合中选择第一预编码矩阵; 对应于第一预编码矩阵的索引通过传输信道被发送到基站，以使得基站可以根据索引找出第一预编码矩阵，并根据第一预编码矩阵对数据进行预编码。 本发明的实施例可以实现PMI的灵活配置和使用。

公开(公告)号：US20140321399A1

公开(公告)日：2014-10-30

申请号：US14326644

申请日：2014-07-09

Applicant: Huawei Technologies Co., Ltd.

Inventor： Kunpeng Liu ,  Chaojun Li ,  Qiang Wu

IPC: H04W72/04

CPC classification number: H04W72/042 ,  H04L5/0048 ,  H04L5/0053 ,  H04W72/0453

Abstract: Embodiments of the present invention provide methods for transmitting and receiving a control channel, a base station, and a user equipment, which relate to the communication field, and can solve a transmission problem of available changing transmission resources caused by introduction of an E-PDCCH. A method for configuring a control channel resource includes: determining, by a base station according to a system configuration and/or user configuration, resource elements REs included in an extended control channel element E-CCE, and transmitting an extended physical downlink control channel E-PDCCH to a user equipment, where the E-PDCCH is carried by the E-CCE; and receiving, by the user equipment, the E-PDCCH, and obtaining the REs included in the E-CCE, and receiving, over the REs included in the E-CCE, the E-PDCCH transmitted by the base station. The embodiments of the present invention are used for configuring and detecting a control channel resource.

Abstract translation: 本发明的实施例提供了用于发送和接收与通信领域有关的控制信道，基站和用户设备的方法，并且可以解决由引入的E-PDCCH引起的可用的改变的传输资源的传输问题 。 一种用于配置控制信道资源的方法包括：由基站根据系统配置和/或用户配置确定包括在扩展控制信道单元E-CCE中的资源元素RE，并且发送扩展物理下行链路控制信道E -PDCCH发送到用户设备，其中E-PDCCH由E-CCE承载; 并且由用户设备接收E-PDCCH，并且获得包含在E-CCE中的RE，并且通过包括在E-CCE中的RE接收由基站发送的E-PDCCH。 本发明的实施例用于配置和检测控制信道资源。