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公开(公告)号:US11329779B2
公开(公告)日:2022-05-10
申请号:US16696595
申请日:2019-11-26
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor: Yi Qin , Zhongfeng Li , Yi Ren , Yu Sun , Shengyue Dou , Haibao Ren
Abstract: Embodiments of the present invention relate to the communications field, and disclose an information transmission method and device to implement beamforming on an SRS. A specific solution is as follows: A base station configures at least one first resource for a UE, where the first resource is used by the UE to transmit a target channel and/or signal; and the base station transmits first indication information to the UE, where the first indication information is used to indicate a correspondence between the first resource and a beam, or the first indication information is used to indicate a correspondence between the first resource and a second resource. The embodiments of the present invention are used in a beamforming process.
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公开(公告)号:US11134447B2
公开(公告)日:2021-09-28
申请号:US16579568
申请日:2019-09-23
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor: Shengyue Dou , Ting Wang , Haibao Ren , Yuanjie Li
Abstract: This application provides a power control method, a terminal, and a network device. The power control method includes: receiving, by a terminal, at least one piece of downlink control information (DCI) sent by at least one network device, where the at least one piece of DCI includes at least two transmit power control commands; and determining, by the terminal, a transmit power on an uplink channel in a same carrier based on the at least two transmit power control commands. According to the power control method in the embodiments of this application, the terminal can determine the transmit power on the uplink channel based on a plurality of transmit power control commands, thereby ensuring efficient and proper power allocation and improving overall system performance.
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公开(公告)号:US11018738B2
公开(公告)日:2021-05-25
申请号:US16712040
申请日:2019-12-12
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor: Yi Huang , Haibao Ren , Yuanjie Li
IPC: H04B7/0456 , H04B7/06 , H04B7/10 , H04L5/00 , H04L27/26
Abstract: This application provides a communication method, to provide a codebook of a higher-order precoding matrix, and help increase a quantity of layers of data, thereby helping improve a data transmission capability and improving a throughput. The method includes: receiving, by a first device, a reference signal used for channel measurement; and sending, by the first device, at least one precoding matrix indicator PMI and a rank indication RI based on the reference signal, where the PMI is used to indicate a precoding matrix in a codebook corresponding to the RI, the precoding matrix in the codebook includes a plurality of matrices in a one-to-one correspondence with a plurality of antenna port groups, a matrix corresponding to one antenna port group or each of at least two antenna port groups has two different inter-antenna-port-group phase factors, and any two column vectors in the precoding matrix are orthogonal to each other.
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公开(公告)号:US10932208B2
公开(公告)日:2021-02-23
申请号:US16794073
申请日:2020-02-18
Applicant: Huawei Technologies Co., Ltd.
Inventor: Ting Wang , Haibao Ren , Yuanjie Li
IPC: H04W52/42 , H04B7/0413 , H04L5/00 , H04B7/0426 , H04W72/04 , H04W52/14
Abstract: A power configuration method and a device, the power configuration method including sending, by a first network device, M power configuration parameters to a second network device, where the M power configuration parameters are corresponding to M antenna port sets, wherein at least one of the M antenna port sets belongs to the first network device, where each power configuration parameter is used to calculate power of a downlink data channel between a corresponding antenna port set and the second network device, and where M is an integer greater than or equal to 2.
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公开(公告)号:US20200099491A1
公开(公告)日:2020-03-26
申请号:US16696595
申请日:2019-11-26
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor: Yi Qin , Zhongfeng Li , Yi Ren , Yu Sun , Shengyue Dou , Haibao Ren
Abstract: Embodiments of the present invention relate to the communications field, and disclose an information transmission method and device to implement beamforming on an SRS. A specific solution is as follows: A base station configures at least one first resource for a UE, where the first resource is used by the UE to transmit a target channel and/or signal; and the base station transmits first indication information to the UE, where the first indication information is used to indicate a correspondence between the first resource and a beam, or the first indication information is used to indicate a correspondence between the first resource and a second resource. The embodiments of the present invention are used in a beamforming process.
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公开(公告)号:US12074660B2
公开(公告)日:2024-08-27
申请号:US17867196
申请日:2022-07-18
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor: Na Deng , Ting Wang , Haibao Ren , Yuanjie Li
IPC: H04B7/06 , H04B7/022 , H04B7/024 , H04B7/04 , H04B7/0456 , H04B17/382 , H04L5/00 , H04W24/10
CPC classification number: H04B17/382 , H04B7/022 , H04B7/024 , H04B7/0456 , H04B7/06 , H04B7/0626 , H04B7/0632 , H04L5/0048 , H04L5/0051 , H04W24/10 , H04B7/04
Abstract: A method for measuring and feeding back channel state information and a device is provided. The method includes: sending, by a first network side device, channel state information (CSI) measurement configuration information to user equipment, where the CSI measurement configuration information includes coordination indication information indicating that the first network side device and at least one second network side device are in a coordination relationship, receiving, by the user equipment, the CSI measurement configuration information from the first network side device, performing measurement based on the CSI measurement configuration information, and feeding back at least one group of CSI to the first network side device based on the measurement configuration information. Accuracy of fed back content and further facilitating scheduling of a base station is improved.
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公开(公告)号:US20230036558A1
公开(公告)日:2023-02-02
申请号:US17952047
申请日:2022-09-23
Applicant: Huawei Technologies Co., Ltd.
Inventor: Haibao Ren , Bo Xu
Abstract: Embodiments disclose a communication method and a device. The method includes: processing first information, where a processing process includes π/2 binary phase shift keying (BPSK) modulation, layer mapping, discrete Fourier transform (DFT) precoding, precoding, and orthogonal frequency division multiplexing (OFDM) waveform generation; and sending the processed first information to a network device. According to embodiments, a peak to average power ratio (PAPR) can be reduced.
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公开(公告)号:US11296839B2
公开(公告)日:2022-04-05
申请号:US16119264
申请日:2018-08-31
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor: Na Deng , Haibao Ren , Yuanjie Li
Abstract: A data transmission method is disclosed. The method includes: processing, by a network device, first data to obtain at least one first modulation symbol that is in a first antenna port set, where the first antenna port set includes at least one first antenna port; and sending, by the network device, the at least one first modulation symbol to a terminal device in a first subframe by using a first carrier, where the at least one first modulation symbol is different from at least one second modulation symbol that a network device sends to the terminal device in the first subframe by using the first carrier and that is in a second antenna port set, and the second antenna port set includes at least one second antenna port.
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公开(公告)号:US11277188B2
公开(公告)日:2022-03-15
申请号:US16579461
申请日:2019-09-23
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor: Haibao Ren , Yi Huang , Yuanjie Li
Abstract: An information transmission method and a device are provided. The method includes: receiving antenna port grouping information from a terminal device, where the antenna port grouping information includes information about at least one antenna port group of the terminal device and information about at least one antenna port included in each antenna port group; sending indication information to the terminal device based on the antenna port grouping information, where the indication information is used to indicate an antenna port group set used by the terminal device to transmit uplink information at a first moment, the antenna port group set includes at least one first antenna port group, and the first antenna port group is one of antenna port groups indicated by the antenna port grouping information. The terminal device is prevented from continuously sending uplink information on a blocked antenna port.
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公开(公告)号:US11190316B2
公开(公告)日:2021-11-30
申请号:US16567965
申请日:2019-09-11
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor: Yi Huang , Haibao Ren , Liuliu Ji , Yuanjie Li
Abstract: The present disclosure relates to communications methods, systems, and devices. One example communications method includes when a base station determines that a quasi-co-location (QCL) relationship exists between antenna ports of at least two serving cells in a same serving cell group, sending, by the base station and to user equipment (UE), QCL indication signaling used to indicate that the QCL relationship exists between the antenna ports of the at least two serving cells in the same serving cell group, where the same serving cell group is a group predefined according to a preset rule or is a group obtained after the base station groups serving cells allocated to the UE.
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