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公开(公告)号：US10674496B2
公开(公告)日：2020-06-02
申请号：US16041215
申请日：2018-07-20
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Liang Xia , Mingyu Zhou , Chi Gao , Zhenfei Tang
Abstract: Embodiments of the present invention provide a control channel resource transmission method including: obtaining, by a user equipment, a configuration parameter in a candidate control channel set according to a preset protocol and/or higher-layer signaling sent by a base station, where the higher-layer signaling is used to notify the configuration parameter; determining an antenna port according to the obtained configuration parameter; receiving, by using the antenna port, a control channel or a control channel element sent by the base station; and determining, by the base station, the antenna port according to the same configuration parameter as that of the user equipment, and sending, by using the antenna port, the control channel or the control channel element to the user equipment. The embodiments of the present invention are applicable to control channel resource transmission.
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公开(公告)号：US20190191422A1
公开(公告)日：2019-06-20
申请号：US16282732
申请日：2019-02-22
Applicant: HUAWEI TECHNOLOGIES CO.,LTD.
Inventor： Jianqin Liu , Jianghua Liu , Qiang Wu , Chi Gao
CPC classification number: H04W72/042 , H04L5/0053 , H04W72/04
Abstract: The present application provides a method and an apparatus for allocating control channel candidates, which relate to the communications field, and can allocate control channel candidates at different aggregation levels to K ePDCCH sets and reduce complexity of blind detection performed by a UE. The method includes: determining K sets for transmitting a control channel, where each set in the K sets includes at least one physical resource block pair; and allocating control channel candidates at each aggregation level to at least one set in the K sets according to at least one of aggregation levels supported by the control channel to be transmitted, the number of control channel candidates corresponding to each aggregation level, the K sets for transmitting the control channel, and types of the sets.
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公开(公告)号：US20180332570A1
公开(公告)日：2018-11-15
申请号：US16041215
申请日：2018-07-20
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Liang Xia , Mingyu Zhou , Chi Gao , Zhenfei Tang
Abstract: Embodiments of the present invention provide a control channel resource transmission method including: obtaining, by a user equipment, a configuration parameter in a candidate control channel set according to a preset protocol and/or higher-layer signaling sent by a base station, where the higher-layer signaling is used to notify the configuration parameter; determining an antenna port according to the obtained configuration parameter; receiving, by using the antenna port, a control channel or a control channel element sent by the base station; and determining, by the base station, the antenna port according to the same configuration parameter as that of the user equipment, and sending, by using the antenna port, the control channel or the control channel element to the user equipment. The embodiments of the present invention are applicable to control channel resource transmission.
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公开(公告)号：US10079624B2
公开(公告)日：2018-09-18
申请号：US15066578
申请日：2016-03-10
Applicant: Huawei Technologies Co., Ltd.
Inventor： Jianghua Liu , Qiang Wu , Chi Gao
IPC: H04B7/00 , H04B7/0413 , H04L5/00 , H04B7/06 , H04L25/02 , H04L1/06 , H04W72/04 , H04B7/0452 , H04L25/03 , H04W84/04
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.
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公开(公告)号：US09980261B2
公开(公告)日：2018-05-22
申请号：US14972864
申请日：2015-12-17
Applicant: Huawei Technologies Co., Ltd.
Inventor： Kunpeng Liu , Chi Gao , Jianghua Liu
CPC classification number: H04W72/042 , H04L5/0023 , H04L5/0048 , H04L5/0053 , H04W48/16 , H04W74/006
Abstract: Embodiments of the present invention provide methods for detecting and sending downlink control information and devices. The method for detecting downlink control information includes: acquiring a pilot port determining parameter that corresponds to downlink control information needing to be detected; determining, according to the pilot port determining parameter, a first-type pilot port that corresponds to the downlink control information; and detecting the downlink control information according to the first-type pilot port. In the embodiments of the present invention, user equipment can correctly detect downlink control information.
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Patent Agency Ranking
公开(公告)号：US20170289975A1
公开(公告)日：2017-10-05
申请号：US15623188
申请日：2017-06-14
Applicant: Huawei Technologies Co., Ltd.
Inventor： Jianqin Liu , Jianghua Liu , Qiang Wu , Chi Gao
CPC classification number: H04W72/042 , H04L5/0053 , H04W72/04
Abstract: A method and an apparatus for allocating control channel candidates is provided, which can allocate control channel candidates at different aggregation levels to K ePDCCH sets and reduce complexity of blind detection performed by a UE. The method includes: determining K sets for transmitting a control channel, where each set in the K sets includes at least one physical resource block pair; and allocating control channel candidates at each aggregation level to at least one set in the K sets according to at least one of aggregation levels supported by the control channel to be transmitted, the number of control channel candidates corresponding to each aggregation level, the K sets for transmitting the control channel, and types of the sets.
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公开(公告)号：US09699773B2
公开(公告)日：2017-07-04
申请号：US14668506
申请日：2015-03-25
Applicant: Huawei Technologies Co., Ltd.
Inventor： Jianqin Liu , Jianghua Liu , Qiang Wu , Chi Gao
CPC classification number: H04W72/042 , H04L5/0053 , H04W72/04
Abstract: The present invention provides a method and an apparatus for allocating control channel candidates, which relate to the communications field, and can allocate control channel candidates at different aggregation levels to K ePDCCH sets and reduce complexity of blind detection performed by a UE. The method includes: determining K sets for transmitting a control channel, where each set in the K sets includes at least one physical resource block pair; and allocating control channel candidates at each aggregation level to at least one set in the K sets according to at least one of aggregation levels supported by the control channel to be transmitted, the number of control channel candidates corresponding to each aggregation level, the K sets for transmitting the control channel, and types of the sets.
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公开(公告)号：US09641300B2
公开(公告)日：2017-05-02
申请号：US14611440
申请日：2015-02-02
Applicant: Huawei Technologies Co., Ltd.
Inventor： Qiang Wu , Chi Gao , Jianqin Liu , Jianghua Liu
CPC classification number: H04L5/0048 , H04L5/001 , H04L5/0053 , H04L5/0064 , H04W72/04 , H04W72/0406
Abstract: The present invention provides a method for transmitting and receiving a control channel, a base station, and a user equipment. The method for transmitting a control channel includes: determining m PRB pairs used for transmitting a control channel to be transmitted; when a distributed transmission mode is used for transmission, determining an aggregation level L of the control channel to be transmitted; determining, according to the aggregation level L, a first control channel candidate at the aggregation level L; and placing control information of the control channel to be transmitted, on physical resources to which the first control channel candidate is mapped, and transmitting the control information. The present invention improves multiplexing efficiency of control channels of different modes.
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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
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。
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10.发明申请METHOD FOR MAPPING CONTROL CHANNEL RESOURCES, BASE STATION, AND USER EQUIPMENT 审中-公开用于映射控制信道资源，基站和用户设备的方法公开(公告)号：US20140334408A1
公开(公告)日：2014-11-13
申请号：US14326669
申请日：2014-07-09
Applicant: Huawei Technologies Co., Ltd.
Inventor： Chi Gao , Liang Xia , Mingyu Zhou , Kunpeng Liu
IPC: H04W72/04
CPC classification number: H04W72/042 , H04L5/0053 , H04L5/0094
Abstract: Embodiments of the present invention provide a method for mapping control channel resources, a base station, and a user equipment. The method for mapping control channel resources includes: determining, by a base station, the number of E-CCEs multiplexed in one resource set, where the E-CCEs are borne over REs for transmission in the resource set, and the E-CCEs constitute an E-PDCCH; sending the E-PDCCH to a user equipment according to the determined number of E-CCEs multiplexed in one resource set; and receiving, by the user equipment, the E-PDCCH, and obtaining the number of E-CCEs multiplexed in one resource set. The embodiments of the present invention apply to a resource mapping.
Abstract translation: 本发明的实施例提供了一种用于映射控制信道资源，基站和用户设备的方法。 用于映射控制信道资源的方法包括：由基站确定在一个资源集合中多路复用的E-CCE的数量，其中E-CCE承载在RE上用于传输资源集，并且E-CCE构成 E-PDCCH; 根据在一个资源集合中多路复用的所确定的E-CCE数量向所述用户设备发送所述E-PDCCH; 并由用户设备接收E-PDCCH，并获得在一个资源集中多路复用的E-CCE的数目。 本发明的实施例适用于资源映射。
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