公开(公告)号：US20200228287A1

公开(公告)日：2020-07-16

申请号：US16833133

申请日：2020-03-27

Applicant: Huawei Technologies Co., Ltd.

Inventor： Chong LOU ,  Xing LIU ,  Qufang HUANG

IPC: H04L5/00 ,  H04W72/04 ,  H04B7/06 ,  H04L1/00 ,  H04W72/12

Abstract: A communication method, a communications apparatus, and a device are described. The communication operation carried out by a terminal includes receiving BWP indication information sent by a network device. The BWP indication information instructs the terminal to activate a BWP and/or deactivate a BWP. The communication operation further includes sending BWP feedback information to the base station. The BWP feedback information indicates that the terminal successfully received the BWP indication information. In this way, in the event of a data transmission failure because the UE cannot receive or cannot correctly parse the BWP indication information, the UE and the base station communicating by using different BWPs can be avoided, thereby improving communication quality.

公开(公告)号：US20250048488A1

公开(公告)日：2025-02-06

申请号：US18921124

申请日：2024-10-21

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Kuikui LI ,  Qinghai ZENG ,  Fei SUN ,  Zhifang GU ,  Chong LOU

IPC: H04W76/27 ,  H04W40/22

Abstract: An inter-distributed-unit (distributed unit, DU) communication method and a related apparatus are provided. The method includes: A first DU receives data of a terminal from a central unit (central unit, CU). The first DU processes the data by using a media access control (media access control, MAC) entity scheduling function specific to the terminal, to obtain a physical layer transmission data stream. The first DU sends the physical layer transmission data stream to a second DU. In the method provided in this application, because a MAC entity of the first DU is used to uniformly schedule the physical layer transmission data stream, the first DU and the second DU do not need to exchange a large amount of layer 2 (layer 2, L2) parameter information, so that information transmission overheads can be reduced.

公开(公告)号：US20240098836A1

公开(公告)日：2024-03-21

申请号：US18519515

申请日：2023-11-27

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Chong LOU ,  Mengying DING ,  Rui WANG ,  Jinlin PENG

IPC: H04W76/27 ,  H04W72/23 ,  H04W74/0833

CPC classification number: H04W76/27 ,  H04W72/23 ,  H04W74/0833

Abstract: A communication method and apparatus are provided. The method includes: A terminal device sends first data to a network device through a first cell group in an activated state. The terminal device receives a first message from the network device, where the first message is used to deactivate the first cell group. The terminal device changes a state of the first cell group from the activated state to a deactivated state based on the first message of the network device. If the terminal device receives no success acknowledgment of the first data and/or there is second data that has not been transmitted in the first cell group, the terminal device retransmits the first data and/or sends the second data to the network device through a second cell group in an activated state.

公开(公告)号：US20240056915A1

公开(公告)日：2024-02-15

申请号：US18494548

申请日：2023-10-25

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Chong LOU ,  Zhifang GU ,  Feng HAN ,  Xudong YANG

IPC: H04W36/00

CPC classification number: H04W36/0072 ,  H04W36/0058

Abstract: This application provides a mobility management method and a communication apparatus. The method includes: A first DU receives a first measurement result reported by a terminal device, determines, based on the first measurement result, target beam information for the terminal device to perform mobility management and/or a target cell corresponding to the target beam information, notifies a CU of the target beam information and/or the target cell, and requests, through the CU, a second DU to confirm whether to accept the target beam information and/or the target cell. The first measurement result includes measurement results corresponding to a current serving cell of the terminal device and at least one non-serving cell of the terminal device.

公开(公告)号：US20230239737A1

公开(公告)日：2023-07-27

申请号：US18191216

申请日：2023-03-28

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Chong LOU ,  Qiang FAN ,  Xiaoying XU ,  Feng HAN

IPC: H04W28/06 ,  H04W28/02 ,  H04L69/166

CPC classification number: H04W28/065 ,  H04L69/166 ,  H04W28/0268 ,  H04W28/0273

Abstract: A communication method and apparatus. The method may be applied to a 4G system, a 5G system, and/or a future communication system such as a 6G system. The method includes: a splitting protocol layer entity of a terminal device configures a first sequence number SN of a splitting protocol layer in a first splitting protocol layer data packet, and configures a second SN of the splitting protocol layer in a second splitting protocol layer data packet. The splitting protocol layer entity of the terminal device sends the first splitting protocol layer data packet to a first protocol layer entity corresponding to a first access network device, and sends the second splitting protocol layer data packet to a first protocol layer entity corresponding to a second access network device.

公开(公告)号：US20220361129A1

公开(公告)日：2022-11-10

申请号：US17869930

申请日：2022-07-21

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Qiang FAN ,  Chong LOU

IPC: H04W56/00

Abstract: This application provides a time synchronization method, an access network device, a communication apparatus, a computer storage medium, and a communication system. The method includes: A first access network device obtains first indication information, where the first indication information is used to indicate that a first terminal has a requirement for receiving or sending an uplink time synchronization message, and/or the indication information is used to indicate a precision requirement for time synchronization between the first terminal and a wireless network. The first access network device performs time synchronization on the first terminal based on the first indication information. This can avoid a case in which a requirement on a synchronization error of a time sensitive network TSN in an uplink time synchronization scenario cannot be met due to an excessively large air interface synchronization error, so that synchronization between TSN devices is improved, and TSN performance is improved.

公开(公告)号：US20220286514A1

公开(公告)日：2022-09-08

申请号：US17751284

申请日：2022-05-23

Applicant: Huawei Technologies Co., Ltd.

Inventor： Chong LOU ,  Xing LIU ,  Qufang HUANG ,  Xiaoying XU

IPC: H04L67/141 ,  H04L47/70

Abstract: A communications method and apparatus are provided. The method includes: A first access network device sends a first message to a core network device, where the first message is used to indicate to suspend one or both of a first PDU session and a second PDU session. The first PDU session and the second PDU session are PDU sessions that are established as requested by a same terminal, and are used to transmit a duplicated data packet. According to the method, when a condition for implementing reliable transmission is not met, the core network device can be indicated to suspend the PDU session. In this way, a PDU session does not need to be re-established, and signaling overheads for establishing the PDU session are saved.

公开(公告)号：US20220217505A1

公开(公告)日：2022-07-07

申请号：US17702229

申请日：2022-03-23

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Qiang FAN ,  Chong LOU ,  Qufang HUANG

IPC: H04W4/06 ,  H04W8/00 ,  H04W28/02

Abstract: Example message transmission methods and apparatus are provided. One example method includes obtaining a first correspondence by a core network device, where the first correspondence includes a correspondence between target device information and first time sensitive networking (TSN) domain information. The target device information is used to identify a target device, and the first TSN domain information is used to identify a TSN domain to which a first TSN device belongs. The core network device receives a multicast message from a second TSN device, where the multicast message includes second TSN domain information which is used to identify a TSN domain to which the second TSN device belongs. The core network device sends the multicast message to the target device when determining, based on the second TSN domain information and the first correspondence, that the second TSN device and the first TSN device belong to a same TSN domain.

公开(公告)号：US20210378023A1

公开(公告)日：2021-12-02

申请号：US17402401

申请日：2021-08-13

Applicant: Huawei Technologies Co., Ltd.

Inventor： Xiaoying XU ,  Qufang HUANG ,  Chunhua YOU ,  Qiang FAN ,  Yinghao GUO ,  Chong LOU

IPC: H04W74/08 ,  H04W74/00

Abstract: Embodiments of this application provide a random access method including: A terminal side device obtains first uplink data from a first message buffer, where the first message buffer is a buffer specific to a first random access procedure, the first random access procedure is a procedure in which the terminal side device sends a first random access request, sends first uplink data on a first uplink resource, and receives response information, and the response information is a first random access response to the first random access request or a response to the first uplink data. The terminal side device sends the first random access request to a network side device, and sends the first uplink data to the network side device on the first uplink resource. The terminal side device detects downlink control information, where the downlink control information indicates a resource of the response information.

公开(公告)号：US20210321264A1

公开(公告)日：2021-10-14

申请号：US17358580

申请日：2021-06-25

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Chong LOU ,  Rui WANG ,  Mingzeng DAI ,  Qinghai ZENG

IPC: H04W16/10 ,  H04W48/12

Abstract: Embodiments of communications apparatuses, systems, and methods are provided in this disclosure. In an embodiment, an apparatus comprises: at least one processor, and a memory storing instructions for execution by the at least one processor to perform operations comprising: sending, to a network node, a first message comprising a first network slice identifier corresponding to a network slice in a first network slice set, wherein the network slice is accessed by a terminal device to a first access-network node, wherein the network node is a first core-network node or a second access-network node to be accessed by the terminal device, and wherein the first core-network node and the first access-network node are comprised in a first communications system; and receiving, from the network node, a first response message comprising a second network slice identifier corresponding to a network slice in a second network slice set.