公开(公告)号：US20150318907A1

公开(公告)日：2015-11-05

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: H04B7/04 ,  H04L12/24

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：US20150230216A1

公开(公告)日：2015-08-13

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 ,  H04L5/00

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.

Abstract translation: 提供了一种用于加扰序列配置的方法和设备，用户设备和基站。 该方法包括：获得与增强控制信道相对应的搜索空间和/或传输模式; 根据搜索空间和/或传输模式执行加扰初始化操作，确定加扰序列的初始化值; 根据加扰序列的初始化值确定加扰序列; 并根据加扰序列对由增强控制信道发送的发送信号进行加扰，然后发送，从而接收发送信号的用户设备根据发送信号中的加扰序列进行解扰操作。 可以尽可能保证不同单元或终端之间的干扰的随机化。

公开(公告)号：US09077406B2

公开(公告)日：2015-07-07

申请号：US14527648

申请日：2014-10-29

Applicant: Huawei Technologies Co., Ltd.

Inventor： Yongxing Zhou ,  Qiang Wu ,  Chi Gao

IPC: H04B7/02 ,  H04B7/04 ,  H04B7/10 ,  H04B7/06

CPC classification number: H04B7/0469 ,  H04B7/0639 ,  H04B7/10

Abstract: A precoding processing method and user equipment are disclosed. The precoding processing method includes: selecting a codebook vector for performing precoding processing for data among a codebook set of Nt antennas, where the codebook set includes a first codebook vector   [ A B ] of a uniform linear array and a second codebook vector   [ A - B ] generated according to the first codebook vector, where A is a (Nt/2)×1 vector composed of a first half of elements of the first codebook vector, B is a (Nt/2)×1 vector composed of a last half of elements of the first codebook vector, and Nt is a positive even number; and sending an index number of the codebook vector to a base station, whereupon the base station uses the codebook vector corresponding to the index number to perform precoding processing for the data to be transmitted by the antennas. Embodiments of the present invention make the codebook set compatible with two types of antenna configuration modes.

Abstract translation: 公开了一种预编码处理方法和用户设备。 预编码处理方法包括：选择用于对Nt个天线的码本集合中的数据进行预编码处理的码本矢量，其中码本集合包括均匀线性阵列的第一码本矢量[AB]和第二码本矢量[A-B ]，其中A是由第一码本矢量的元素的前半部分组成的（Nt / 2）×1矢量，B是由后半部分组成的（Nt / 2）×1矢量 第一码本向量的元素，Nt是正偶数; 并向基站发送码本矢量的索引号，由此基站使用与索引号相对应的码本矢量，对由天线发送的数据进行预编码处理。 本发明的实施例使得码本集与两种类型的天线配置模式兼容。

公开(公告)号：US20150085955A1

公开(公告)日：2015-03-26

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: H04B7/04 ,  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：US20140334431A1

公开(公告)日：2014-11-13

申请号：US14445395

申请日：2014-07-29

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Mingyu ZHOU ,  Qiang Wu

IPC: H04W72/04 ,  H04L1/00

CPC classification number: H04W72/04 ,  H04L1/0027

Abstract: Embodiments of the present invention provide a radio network channel allocation method, a device, and a system that relate to the communications field, so as to avoid that different UEs in a DAS cell occupy the same physical resources to send control signals, and enhance performance of a network side device in detecting the control signals sent by the UEs. The method includes: grouping user equipments UEs within a distributed antenna system DAS cell in a non-repeated manner; sending different cyclic shift value offset information to UEs in different groups, so that the UEs generate control signals according to the cyclic shift value offset information and send the control signals; and determining cyclic shift values used by the UEs according to the cyclic shift value offset information, and detecting the control signals sent by the UEs according to the cyclic shift values.

Abstract translation: 本发明的实施例提供了一种与通信领域相关的无线电网络信道分配方法，设备和系统，以避免DAS小区中的不同UE占用相同的物理资源来发送控制信号，并提高性能 网络侧设备检测由UE发送的控制信号。 该方法包括：以非重复的方式对分布式天线系统DAS小区内的用户设备UE进行分组; 向不同组的UE发送不同的循环移位值偏移信息，使得UE根据循环移位值偏移信息生成控制信号并发送控制信号; 以及根据循环移位值偏移信息确定UE使用的循环移位值，并根据循环移位值检测由UE发送的控制信号。

公开(公告)号：US11265862B2

公开(公告)日：2022-03-01

申请号：US16793900

申请日：2020-02-18

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Kunpeng Liu ,  Chaojun Li ,  Qiang Wu

IPC: H04W72/04 ,  H04L5/00

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.

公开(公告)号：US10812212B2

公开(公告)日：2020-10-20

申请号：US16566106

申请日：2019-09-10

Applicant: Huawei Technologies Co., Ltd.

Inventor： Jianqin Liu ,  Qiang Wu ,  Yongxing Zhou

IPC: H04L1/00 ,  H04W16/28 ,  H04W24/10 ,  H04B7/06 ,  H04L1/20 ,  H04W72/08

Abstract: A resource configuration method, user equipment, and a base station are provided in embodiments of the present invention and relate to the communications field. A base station sends M reference signals to UE in N time units in a time unit set, where the reference signal is used by the UE to perform channel quality measurement, and each reference signal in the M reference signals is corresponding to one piece of precoding matrix information. The base station receives channel quality indication information sent by the UE.

公开(公告)号：US20200328781A1

公开(公告)日：2020-10-15

申请号：US16864145

申请日：2020-04-30

Applicant: HUAWEI TECHNOLOGIES CO.,LTD.

Inventor： Jianghua Liu ,  Qiang Wu ,  Chi Gao

IPC: H04B7/0413 ,  H04L25/02 ,  H04B7/06 ,  H04L5/00 ,  H04L1/06 ,  H04W72/04

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.

公开(公告)号：US20200221458A1

公开(公告)日：2020-07-09

申请号：US16735405

申请日：2020-01-06

Applicant: Huawei Technologies Co., Ltd.

Inventor： Qiang Li ,  Qiang Wu ,  Bingyu Qu ,  Yongxing Zhou

IPC: H04W72/04 ,  H04W4/08 ,  H04L5/00 ,  H04L5/14

Abstract: A method includes determining a type of a first subframe, where the type of the first subframe is a first-type subframe, a second-type subframe, a third-type subframe, or a fourth-type subframe, where the second-type subframe includes an uplink control channel and a downlink channel, the uplink control channel is located after the downlink channel, and there is a guard period between the uplink control channel and the downlink channel. The fourth-type subframe includes an uplink channel and a downlink control channel, the uplink channel is located after the downlink control channel, and there is a guard period between the uplink channel and the downlink control channel. The method also includes transmitting data in the first subframe according to the type of the first subframe.

公开(公告)号：US20200014508A1

公开(公告)日：2020-01-09

申请号：US16573358

申请日：2019-09-17

Applicant: Huawei Technologies Co., Ltd.

Inventor： Zhiheng Guo ,  Qiang Wu ,  Xinqian Xie

IPC: H04L5/00

Abstract: Embodiments of this application provide a signal sending method, including: determining a first subcarrier, wherein an offset is between the first subcarrier and a center subcarrier of target resource blocks in a target bandwidth, and the offset is related to a subcarrier spacing; and determining a signal, wherein a location of the first subcarrier is the same as a carrier frequency location of the signal.