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公开(公告)号：US10826670B2
公开(公告)日：2020-11-03
申请号：US16340627
申请日：2016-10-09
Applicant: Huawei Technologies Co., Ltd.
Inventor： Yanliang Sun , Bin Liu , Kai Xu , Xiaodong Sun
Abstract: A signal resource configuration method, a terminal, and an access network device to reduce impact on an existing standard and save Channel State Information Reference Signal (CSI-RS) resources. The method includes obtaining, by the access network device, a 2N-port CSI-RS resource sequence number, and sending, by the access network device, the 2N-port CSI-RS resource sequence number to a terminal device, where the 2N-port CSI-RS resource sequence number notifies the terminal device of an N-port CSI-RS resource in two adjacent physical resource blocks (PRBs), and N is a positive integer.
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公开(公告)号：US20190363859A1
公开(公告)日：2019-11-28
申请号：US16340627
申请日：2016-10-09
Applicant: Huawei Technologies Co., Ltd.
Inventor： Yanliang Sun , Bin Liu , Kai Xu , Xiaodong Sun
Abstract: A signal resource configuration method, a terminal, and an access network device to reduce impact on an existing standard and save Channel State Information Reference Signal (CSI-RS) resources. The method includes obtaining, by the access network device, a 2N-port CSI-RS resource sequence number, and sending, by the access network device, the 2N-port CSI-RS resource sequence number to a terminal device, where the 2N-port CSI-RS resource sequence number notifies the terminal device of an N-port CSI-RS resource in two adjacent physical resource blocks (PRBs), and N is a positive integer.
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公开(公告)号：US20190356367A1
公开(公告)日：2019-11-21
申请号：US16338641
申请日：2016-09-30
Applicant: Huawei Technologies Co., Ltd.
Inventor： Yanliang Sun , Bin Liu
IPC: H04B7/06 , H04B7/0456
Abstract: A method includes obtaining, by a terminal, a quantity M of beamforming vectors needing to be reported by the terminal and a first reference signal that are sent by a base station; estimating downlink channel states on N dual-polarized antenna ports based on the first reference signal; selecting m first beamforming codewords based on the downlink channel states and the quantity M of beamforming vectors needing to be reported that is sent by the base station; and feeding back the m selected first beamforming codewords and ranks of the downlink channel states to the base station.
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公开(公告)号：US20190254075A1
公开(公告)日：2019-08-15
申请号：US16310202
申请日：2016-06-16
Applicant: Huawei Technologies Co., Ltd.
Inventor： Yanliang Sun , Nathan Edward Tenny , Yongbo Zeng , Yu Cai , Bin Liu , Da Wang
CPC classification number: H04W74/0833 , H04W72/005 , H04W72/0406 , H04W72/044 , H04W74/02 , H04W74/08 , H04W88/04 , Y02D70/00
Abstract: Embodiments of this application provide a network access method for a low power terminal. The method includes: finding, by a low power terminal, at least one high performance terminal in a first resource pool based on a synchronization signal and a broadcast channel of a virtual micro cell that are sent by a high performance terminal; determining, from all found high performance terminals, a first high performance terminal that needs to be used to access a network; obtaining configuration information through a broadcast channel of a virtual micro cell of the first high performance terminal, where the configuration information includes a second resource pool; and sending a random access request to the first high performance terminal by using a resource in the second resource pool.
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公开(公告)号：US20190253876A1
公开(公告)日：2019-08-15
申请号：US16346801
申请日：2017-01-06
Applicant: Huawei Technologies Co., Ltd.
Inventor： Yanliang Sun , Kai Xu , Bin Liu
CPC classification number: H04W8/24 , H04B7/0632 , H04B7/0639 , H04L1/0026 , H04L5/00 , H04W72/042 , H04W76/27 , H04W80/02
Abstract: Embodiments of the present invention provide a status switching method, network device, and terminal device. The method includes: determining, by a network device, whether a terminal device is in a first state, where the first state is used to: when the terminal device is in the first state, send channel state indication CSI information to the network device, and the CSI information includes first CSI information in a closed-loop state and second CSI information in an open-loop state; when the terminal device is in the first state, receiving, by the network device, the CSI information sent by the terminal device; determining, by the network device, first indication information based on the CSI information, where the first indication information is used to indicate a transmission parameter of downlink data; and sending, by the network device, the first indication information to the terminal device.
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Patent Agency Ranking
公开(公告)号：US10911125B2
公开(公告)日：2021-02-02
申请号：US16461315
申请日：2018-04-12
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Yanliang Sun , Kai Xu
IPC: H04B7/06
Abstract: One example method includes receiving, by a terminal, indication information sent by a base station, where the indication information indicates a precoding matrix in a first precoding matrix set and a transmission rank corresponding to the precoding matrix, and the precoding matrix is used to precode transmit data streams at r transmission layers to obtain signals to be sent on N transmission ports of the terminal; and when r>1, a nonscalar part of a precoding matrix whose transmission rank is r in the first precoding matrix set is obtained by combining columns in nonscalar parts of r precoding matrices, and the r precoding matrices are precoding matrices selected from all precoding matrices whose transmission ranks are 1; and determining, by the terminal based on the indication information, the precoding matrix for precoding the transmit data streams.
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公开(公告)号：US10681692B2
公开(公告)日：2020-06-09
申请号：US16301322
申请日：2016-05-13
Applicant: Huawei Technologies Co., Ltd.
Inventor： Xiaodong Sun , Jian Wang , Da Wang , Yanliang Sun
Abstract: A transmission resource mapping method and a device relating to the field of mobile communications technologies, where resource mapping is performed using a resource element block, a length of the resource element block in time domain is less than a length of a physical resource block in the time domain. Therefore, a mapping granularity can be reduced during resource mapping such that latency in a transmission process can be reduced.
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8.发明申请公开(公告)号：US20190052333A1
公开(公告)日：2019-02-14
申请号：US16078386
申请日：2017-03-24
Applicant: Huawei Technologies Co., Ltd.
Inventor： Kai Xu , Yanliang Sun , Bin Liu , Richard Stirling-Gallacher
Abstract: A method for feeding back hybrid channel state information (CSI), a terminal device, and a base station, where the method includes reporting, by a terminal device, CSI to a base station, where the CSI is reported in two stages, CSI used when a quantity of beamformed CSI reference signal (CSI-RS) resources is greater than one is reported in a first stage, and CSI used when the quantity of the beamformed CSI-RS resources is equal to one is reported in a second stage, and reporting the CSI in the two stages occupies one CSI reporting process. In this method, hybrid CSI is reported based on a beamformed CSI-RS. Therefore, CSI reporting overheads can be reduced, and CSI reporting accuracy can be improved such that a cell throughput can be increased.
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公开(公告)号：US11381287B2
公开(公告)日：2022-07-05
申请号：US16623291
申请日：2017-08-11
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Yanliang Sun
IPC: H04B7/0456 , H04B7/06 , H04L5/00 , H04L25/02 , H04L27/26
Abstract: This application provides an NR uplink codebook configuration method and a related device. The method may include: receiving, by a network device, reference transmission unit configuration information reported by a terminal, where the reference transmission unit configuration information includes: a quantity N of transmission units of the terminal, a quantity M of groups into which the N transmission units are divided, and a quantity of transmission units included in each group; determining transmission port configuration information of the terminal based on the reference transmission unit configuration information; receiving reference codebook configuration information reported by the terminal; determining a codebook type of the terminal based on the reference codebook configuration information; and sending the transmission port configuration information and the codebook type to the terminal. In this application, two-stage codebooks or single codebooks adapted to different antenna array forms on a terminal side in an NR scenario can be designed.
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公开(公告)号：US10693543B2
公开(公告)日：2020-06-23
申请号：US16338641
申请日：2016-09-30
Applicant: Huawei Technologies Co., Ltd.
Inventor： Yanliang Sun , Bin Liu
IPC: H04B7/06 , H04B7/0456 , H04W72/04
Abstract: A method includes obtaining, by a terminal, a quantity M of beamforming vectors needing to be reported by the terminal and a first reference signal that are sent by a base station; estimating downlink channel states on N dual-polarized antenna ports based on the first reference signal; selecting m first beamforming codewords based on the downlink channel states and the quantity M of beamforming vectors needing to be reported that is sent by the base station; and feeding back the m selected first beamforming codewords and ranks of the downlink channel states to the base station.
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