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公开(公告)号：US11916705B2
公开(公告)日：2024-02-27
申请号：US17408009
申请日：2021-08-20
Applicant: Huawei Technologies Co., Ltd.
Inventor： Yu Sun , Yi Qin , Zhongfeng Li , Leiming Zhang , Shengyue Dou
CPC classification number: H04L25/03821 , H04L1/0003 , H04L5/0051 , H04L5/0092 , H04L25/0226 , H04L27/261 , H04W72/1273
Abstract: Embodiments of the present invention disclose a reference signal transmission method, including: sending, by a terminal, a first reference signal and a second reference signal; and correspondingly, receiving, by a network device, the first reference signal and the second reference signal, where the first reference signal is mapped to a plurality of symbols and is used for estimation of channel state information, the second reference signal is mapped to at least two of the plurality of symbols and is used for phase tracking, and a subcarrier to which the second reference signal is mapped on one of the at least two symbols has a same frequency-domain location as a subcarrier to which the second reference signal is mapped on the rest of the at least two symbols. With the foregoing solution, accuracy of channel state information estimation can be improved.
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72.发明授权公开(公告)号：US11818077B2
公开(公告)日：2023-11-14
申请号：US16788031
申请日：2020-02-11
Applicant: Huawei Technologies Co., Ltd.
Inventor： Mengying Ding , Yuanzhou Hu , Yi Qin , Zhongfeng Li , Min Zhang , Weimin Xiao , Shengyue Dou
IPC: H04L5/00 , H04B7/06 , H04W72/0453
CPC classification number: H04L5/0058 , H04B7/0626 , H04W72/0453
Abstract: This application provides a reference signal sending and receiving method, a network device, a terminal device, and a system, to be applicable to resource configuration for an SRS in NR. The method includes: sending, by a terminal device, a sounding reference signal SRS based on a location of a starting subcarrier for transmitting the SRS, where the location of the starting subcarrier for transmitting the SRS is determined by an offset of a sounding region, the offset of the sounding region indicates a resource offset between a starting subcarrier of the sounding region and a starting subcarrier of a bandwidth part BWP of the terminal device, and the sounding region is a resource that can be used to transmit the SRS.
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公开(公告)号：US11445484B2
公开(公告)日：2022-09-13
申请号：US16541653
申请日：2019-08-15
Applicant: Huawei Technologies Co., Ltd.
Inventor： Yi Qin , Zhongfeng Li , Hao Tang , Fan Wang
Abstract: A method, device, and storage medium are disclosed that determine beam information of an antenna port for a frequency domain resource not used for transmitting uplink data and/or uplink control information. In one embodiment, a first device determines, based on first configuration information, that a beam for sending a first uplink reference signal on a first antenna port is also a beam for sending a second uplink reference signal on a second antenna port, and sends the first uplink reference signal on the first antenna port. Beam information of the first antenna port can be determined based on beam information of the second antenna port, and the first uplink reference signal can be sent based on the determined beam information of the first antenna port. This can spare beam configuration performed by a network side for the first frequency domain resource, and reduce overheads for transmitting configuration information.
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公开(公告)号：US11337094B2
公开(公告)日：2022-05-17
申请号：US16713078
申请日：2019-12-13
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
IPC: H04W24/10 , H04B17/336 , H04W76/11 , H04L1/00 , H04L5/00
Abstract: An interference measurement reporting method, device, and system related to the field of communications technologies are disclosed. The method includes after receiving first information sent by a second device, sending, by a first device, at least one reported value to a third device. The first information is used to indicate an interference measurement resource to the first device. And the reported value is obtained based on an interference measurement result that is located on a portion the resource. Because the reported value is obtained based on the interference measurement performed on a specific resource of which the first device is notified previously, when the technical solution is applied to cross interference measurement, for example, inter-UE interference measurement, the first device can report accurate information about inter-UE interference status to a base station.
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公开(公告)号：US11272491B2
公开(公告)日：2022-03-08
申请号：US16580888
申请日：2019-09-24
Applicant: Huawei Technologies Co., Ltd.
IPC: H04W72/04
Abstract: This application discloses a resource indication method, a network device, and a terminal device, to improve utilization of a resource mapped to a DMRS port. The method includes: sending, by a network device, configuration information to a terminal device, so that the terminal device determines, based on the configuration information, that a second resource in first resources is used to transmit first information or that a third resource in first resources is not used to transmit first information, where the first resources are resources mapped to a DMRS port. In this way, the terminal device can multiplex the resources mapped to the DMRS port. When some of the first resources are not used to transmit a DMRS, the resources may be indicated to determine whether the resources may be used to transmit the first information, for example, the first information may be data, control information, or other information different from DMRS information, thereby ensuring maximum use of the resources mapped to the DMRS port, and improving resource utilization.
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Patent Agency Ranking
公开(公告)号：US11265196B2
公开(公告)日：2022-03-01
申请号：US16801496
申请日：2020-02-26
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Hongzhe Shi , Wei Han , Yi Qin , Jianqin Liu , Peng Jiang
IPC: H04L12/28 , H04L27/26 , H04L1/00 , H04L1/16 , H04L5/00 , H04W24/10 , H04W72/04 , H04W80/08 , H04J1/16
Abstract: This application discloses a reference signal configuration method and apparatus. Before a network device sends reference signals aperiodically, the network device sends configuration information to a terminal device, where the configuration information is used to indicate a timeslot offset of one or more reference signal resource sets. Therefore, the network device can flexibly send reference signals in different timeslots, thereby reducing a quantity of times of reference signal triggering and measurement result reporting, and improving efficiency of a communications system.
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公开(公告)号：US11258563B2
公开(公告)日：2022-02-22
申请号：US16991865
申请日：2020-08-12
Applicant: Huawei Technologies Co., Ltd.
Inventor： Yi Qin , Binbin Zhang , Zhongfeng Li , Min Zhang
Abstract: A signal sending and receiving method includes: receiving, by a terminal device, at least one piece of resource configuration information for determining N reference signal resource groups, and each of the N reference signal resource groups includes at least one reference signal resource; and sending a reference signal on a resource in an ith reference signal resource group in the N reference signal resource groups by using a jth antenna group corresponding to the ith reference signal resource group, where the jth antenna group includes at least one antenna. The N reference signal resource groups correspond to N antenna groups, and any two of the N antenna groups are different.
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公开(公告)号：US11234148B2
公开(公告)日：2022-01-25
申请号：US16368724
申请日：2019-03-28
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Yi Qin , Zhongfeng Li , Hua Li
IPC: H04L5/14 , H04W16/14 , H04B7/06 , H04L12/26 , H04W24/10 , H04W72/04 , H04L1/18 , H04W76/15 , H04W56/00 , H04W72/08 , H04W72/12
Abstract: Embodiments of this application provide a communication method, a base station, and a terminal device. The communication method includes: sending, by a base station, first indication information to a terminal device, where the first indication information is used to instruct the terminal device to perform uplink transmission by using at least one configured resource, and the at least one resource includes a resource that is different from a resource currently used by the terminal device; and receiving, by the base station, one or more signals sent by the terminal device by using one or more resources in the at least one resource according to the first indication information.
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公开(公告)号：US20220006683A1
公开(公告)日：2022-01-06
申请号：US17448035
申请日：2021-09-17
Applicant: HUAWEI TECHNOLOGIES CO.,LTD.
Abstract: Embodiments of this application provide a non-coherent data transmission method and a communication apparatus. In the method, a transmit end device determines, in a first constellation, a first constellation point corresponding to first to-be-modulated bits, where the first constellation point corresponds to P first symbols, P=M*N, M is a positive integer, and N is an integer greater than 1; and sends the P first symbols on N resource units by using M antenna ports, or sends P second symbols determined based on the P first symbols, and foregoes sending demodulation reference signals of the P first symbols or the P second symbols. In the method, a constellation is designed, and each constellation point in the constellation corresponds to a plurality of resource units so that data can be transmitted with no need to transmit a reference signal, and only the data needs to be transmitted.
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公开(公告)号：US11057941B2
公开(公告)日：2021-07-06
申请号：US16402438
申请日：2019-05-03
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Yi Qin , Hua Li , Yi Ren , Zhongfeng Li
Abstract: Embodiments of the present disclosure provide an uplink access method, a base station, and user equipment. The method includes: sending, by a base station, N signals and N pieces of physical random access channel PRACH resource indication information, where N is an integer greater than or equal to 2; and receiving, by the base station, a random access preamble sequence of the user equipment on PRACH resources indicated by the N pieces of PRACH resource indication information. Based on the foregoing solution, a quantity of random access preamble sequences sent by the user equipment is reduced, and uplink access complexity is reduced.
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