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公开(公告)号：US11336419B2
公开(公告)日：2022-05-17
申请号：US16887800
申请日：2020-05-29
Applicant: Huawei Technologies Co., Ltd.
Inventor： Jianguo Wang , Jianghua Liu , Qiang Wu
IPC: H04L5/00 , H04W24/06 , H04B7/06 , H04B17/318
Abstract: A reference signal measurement method, a reference signal sending method, a user equipment, and a base station are provided. According to 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.
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公开(公告)号：US20210234627A1
公开(公告)日：2021-07-29
申请号：US17220731
申请日：2021-04-01
Applicant: Huawei Technologies Co., Ltd.
Inventor： Yue Zhao , Zhiheng Guo , Qiang Wu , Xingqing Cheng
Abstract: This application relates to the mobile communications field, and in particular, to a random access technology in a wireless communications system. This application provides a method for receiving a random access preamble sequence, an apparatus, and a system. In this solution, a device obtains a cyclic shift value that satisfies a high-speed movement scenario and receives a random access preamble sequence corresponding to the cyclic shift value.
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公开(公告)号：US11038561B2
公开(公告)日：2021-06-15
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 , H04B7/0452 , H04L25/03 , H04W84/04
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.
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公开(公告)号：US10903955B2
公开(公告)日：2021-01-26
申请号：US16385252
申请日：2019-04-16
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Qiang Wu , Yiqun Qian , Yang Li , Jianghua Liu
Abstract: The present invention discloses a method, a device and a system for transmitting an enhanced downlink control channel, which belong to the communications field. The method for sending an enhanced downlink control channel includes: presetting a multiplexing unit, where the multiplexing unit includes at least one resource block pair, and the at least one resource block pair includes E-PDCCH resources and DM RS resources, and the E-PDCCH resources include multiple control channel elements; sending at least one E-PDCCH corresponding to at least one UE in at least one control channel element of the multiplexing unit, and sending the DM RS corresponding to the at least one UE. The present invention reduces the granularity of an enhanced downlink control channel, saves resources and enhances the downlink control channel, thereby providing more control channels for the UE to use.
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公开(公告)号：US10892865B2
公开(公告)日：2021-01-12
申请号：US15729400
申请日：2017-10-10
Applicant: Huawei Technologies Co., Ltd.
Inventor： Kunpeng Liu , Leiming Zhang , Qiang Wu
Abstract: A method includes: obtaining, by UE, a reference signal resource mapping diagram, and obtaining a reference signal according to the reference signal resource mapping diagram; performing, by the UE, channel measurement according to the reference signal to determine channel state information, and feeding back the channel state information to a base station, where the reference signal resource mapping diagram is a location to which a time-frequency resource of the reference signal is mapped, the reference signal resource mapping diagram is a second reference signal resource mapping diagram which comprises at least two first reference signal resource mapping diagram.
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Patent Agency Ranking
公开(公告)号：US10856285B2
公开(公告)日：2020-12-01
申请号：US16282732
申请日：2019-02-22
Applicant: HUAWEI TECHNOLOGIES CO.,LTD.
Inventor： Jianqin Liu , Jianghua Liu , Qiang Wu , Chi Gao
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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7.发明申请公开(公告)号：US20200295908A1
公开(公告)日：2020-09-17
申请号：US16887800
申请日：2020-05-29
Applicant: Huawei Technologies Co., Ltd.
Inventor： Jianguo Wang , Jianghua Liu , Qiang Wu
Abstract: A reference signal measurement method, a reference signal sending method, a user equipment, and a base station are provided. According to 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.
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8.发明授权公开(公告)号：US10673599B2
公开(公告)日：2020-06-02
申请号：US16034883
申请日：2018-07-13
Applicant: Huawei Technologies Co., Ltd.
Inventor： Jianguo Wang , Jianghua Liu , Qiang Wu
IPC: H04L5/00 , H04W24/06 , H04B7/06 , H04B17/318
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.
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公开(公告)号：US10659111B2
公开(公告)日：2020-05-19
申请号：US16123340
申请日：2018-09-06
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 , H04B7/0452 , H04L25/03 , H04W84/04
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.
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公开(公告)号：US20200092919A1
公开(公告)日：2020-03-19
申请号：US16688493
申请日：2019-11-19
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Yue Zhao , Zhiheng Guo , Qiang Wu
Abstract: Embodiments of the present application provide a random access sequence generation method, and an apparatus. The method includes: generating, by a base station, notification signaling, where the notification signaling includes indication information, the indication information is used to instruct user equipment UE to select a shift sequence number from a range of 0 to (nshiftRAngroupRA+nshiftRA+nshiftRA+shiftRA−1), the shift sequence number is an integer, nshiftRA is a quantity of UE candidate sequence shifts in a group, ngroupRA is a quantity of groups, nshiftRA is a quantity of UE candidate sequence shifts in the last length that is insufficient for a group, nshiftRA is a quantity of UE candidate sequence shifts in first remaining sequence shifts, and shiftRA is a quantity of UE candidate sequence shifts in second remaining sequence shifts; and sending, by the base station, the notification signaling to the UE, so that the UE generates a random access sequence according to the indication information.
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