公开(公告)号：US20220173866A1

公开(公告)日：2022-06-02

申请号：US17671575

申请日：2022-02-14

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Mingzhe Wang ,  Hongzhe Shi ,  Xiang Ren ,  Liuliu Ji ,  Haicun Hang ,  Xiaoyan Bi

IPC: H04L5/00 ,  H04J13/00 ,  H04J3/02

Abstract: A method and apparatus are provided for determining a transmission mode. A method embodiment includes obtaining, by a terminal device, configuration indication information, the configuration indication information comprising one or more of: DMRS indication information, repeated-transmission indication information, or transmission configuration indication information; and determining a transmission mode based on the configuration indication information, the transmission mode is one or more of: a space division multiplexing mode, a frequency division multiplexing mode, or a time division multiplexing mode.

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

IPC: H04L5/00 ,  H04B7/06 ,  H04W72/04 ,  H04W72/08

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.

公开(公告)号：US20200067687A1

公开(公告)日：2020-02-27

申请号：US16670188

申请日：2019-10-31

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Yi QIN ,  Zhongfeng Li ,  Yi Ren ,  Zhihang Li ,  Liuliu Ji ,  Jian Luo

IPC: H04L5/00 ,  H04W72/04 ,  H04W72/12 ,  H04B7/155

Abstract: This application describes a resource indication method and a communications device. A resource indication method may include sending, by a first device, first indication information to a second device in an nth time unit, where the first indication information indicate a first time domain resource of a first link or a second link in an (n+k0)th time unit to an (n+k1)th time unit. In the method, the first link is a link between the first device and the second device, the second link is a link between the second device and a third device, k0 is an integer greater than or equal to 0 and less than or equal to k1, and k1 is an integer.

公开(公告)号：US12120667B2

公开(公告)日：2024-10-15

申请号：US17737526

申请日：2022-05-05

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Xianda Liu ,  Kunpeng Liu ,  Liuliu Ji

IPC: H04W72/1263 ,  H04L5/00 ,  H04W16/28 ,  H04W72/0446 ,  H04W72/0453

CPC classification number: H04W72/1263 ,  H04L5/0051 ,  H04W16/28 ,  H04W72/0446 ,  H04W72/0453

Abstract: This application provides a reference signal transmission method and an apparatus, used in a multipoint coordination transmission scenario. In one example method, a frequency domain resource that carries a target reference signal in a frequency domain resource or a time domain resource that is associated with each QCL assumption may be separately determined, and then the target reference signal carried on the frequency domain resource that is associated with the QCL assumption is separately received by using the corresponding QCL assumption.

公开(公告)号：US12108396B2

公开(公告)日：2024-10-01

申请号：US17372075

申请日：2021-07-09

Applicant: Huawei Technologies Co., Ltd.

Inventor： Liuliu Ji ,  Shibin Ge ,  Haicun Hang ,  Xiaohan Wang ,  Xiaoyan Bi

IPC: H04W72/20

CPC classification number: H04W72/20

Abstract: This application provides an information transmission method and apparatus. The method includes: receiving, by a terminal device, a plurality of downlink data channels, where the plurality of downlink data channels are scheduled through a plurality of downlink control channels; determining, by the terminal device based on the plurality of downlink data channels, one or more pieces of feedback information corresponding to at least two downlink data channels; and sending, by the terminal device, the one or more pieces of feedback information through a same uplink control channel.

公开(公告)号：US12063648B2

公开(公告)日：2024-08-13

申请号：US17371300

申请日：2021-07-09

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Liuliu Ji ,  Shibin Ge ,  Haicun Hang ,  Xiaohan Wang ,  Xiaoyan Bi ,  Hongzhe Shi

IPC: H04W72/1273 ,  H04W72/0446 ,  H04W72/12 ,  H04W72/23

CPC classification number: H04W72/1273 ,  H04W72/0446 ,  H04W72/12 ,  H04W72/23

Abstract: This application provides a data transmission method and a communication apparatus, to improve data transmission reliability. The method includes: receiving downlink control information (DCI); determining a plurality of pieces of quasi-co-location (QCL) information based on the DCI; and receiving downlink data based on the plurality of pieces of QCL information. The plurality of pieces of QCL information correspond to a plurality of time domain units, each time domain unit corresponds to at least one piece of QCL information, and at least two of the plurality of pieces of QCL information are different, that is, the downlink data is from at least two network devices.

公开(公告)号：US11870525B2

公开(公告)日：2024-01-09

申请号：US17337156

申请日：2021-06-02

Applicant: Huawei Technologies Co., Ltd.

Inventor： Haicun Hang ,  Shibin Ge ,  Hongzhe Shi ,  Xiaohan Wang ,  Liuliu Ji ,  Xiaoyan Bi

IPC: H04B7/06 ,  H04B17/336 ,  H04L5/00 ,  H04W24/10

CPC classification number: H04B7/0626 ,  H04B17/336 ,  H04L5/0051 ,  H04W24/10

Abstract: This application provides a channel measurement configuration method and a communications apparatus. The method includes: receiving, by a terminal device, a measurement configuration, where the measurement configuration includes a plurality of resource settings, and the plurality of resource settings include a plurality of resource settings for channel measurement and a plurality of resource settings for interference measurement; receiving, by the terminal device, channel state information reference signals CSI-RSs on resources configured in the plurality of resource settings; and generating, by the terminal device, a CSI group based on the CSI-RSs, where the CSI group includes one or more pieces of CSI. In embodiments of this application, a plurality of resource settings for channel measurement and a plurality of resource settings for interference measurement are associated in one report setting.

公开(公告)号：US11751187B2

公开(公告)日：2023-09-05

申请号：US17461403

申请日：2021-08-30

Applicant: Huawei Technologies Co., Ltd.

Inventor： Liuliu Ji ,  Yi Huang ,  Yuanjie Li

IPC: H04W72/04 ,  H04W72/044 ,  H04L5/00 ,  H04W72/23 ,  H04B7/0452

CPC classification number: H04W72/046 ,  H04L5/0048 ,  H04W72/23 ,  H04B7/0452

Abstract: In a signal transmission method, a user equipment receives a first signal from a wireless network device; and the user equipment determines spatial information of a to-be-transmitted second signal based on the first signal, and transmits the to-be-transmitted second signal by using the spatial information. An uplink transmit beam is determined by using related information of a downlink receive beam, so that the UE can efficiently determine spatial information of an uplink signal to be transmitted by the UE.

公开(公告)号：US11705941B2

公开(公告)日：2023-07-18

申请号：US17370962

申请日：2021-07-08

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Liuliu Ji ,  Xiaohan Wang ,  Haicun Hang ,  Shibin Ge ,  Xiaoyan Bi

IPC: H04L7/02 ,  H04B7/024 ,  H04B7/06 ,  H04L5/00

CPC classification number: H04B7/024 ,  H04B7/0608 ,  H04L5/0023

Abstract: This application relates to the field of communications technologies and provides a quasi co-location indication method and an apparatus, so that a terminal learns of a quasi co-location relationship between a plurality of antenna ports of a first reference signal resource. The method includes: A terminal receives quasi-co-location indication information, where the quasi-co-location indication information is used to indicate M antenna port groups corresponding to a first reference signal resource, each of the M antenna port groups includes one or more CDM groups of the first reference signal resource, the CDM group includes a plurality of antenna ports, and any two antenna ports in a same antenna port group are in a quasi-co-location relationship. Then, the terminal determines a quasi-co-location relationship between a plurality of antenna ports of the first reference signal resource based on the quasi-co-location indication information.

公开(公告)号：US20230029373A1

公开(公告)日：2023-01-26

申请号：US17960656

申请日：2022-10-05

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Yongping Zhang ,  Liuliu Ji ,  Tie Li

IPC: H04W72/12 ,  H04L1/08

Abstract: Embodiments of this application disclose a retransmission method and an apparatus in a multi-transmission reception point architecture, to improve HARQ retransmission performance in the multi-TRP architecture. The method includes: receiving first downlink control information from a network device on a first control resource; and receiving a first transmission version of downlink data from the network device based on the first downlink control information. The first transmission version is retransmission data of a second transmission version of the downlink data. Second downlink control information for scheduling the second transmission version is associated with a second control resource. The first control resource and the second control resource are a same control resource, or the first control resource and the second control resource belong to a same resource group.