公开(公告)号：US12219458B2

公开(公告)日：2025-02-04

申请号：US17708767

申请日：2022-03-30

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Yuanping Zhu ,  Yulong Shi ,  Jing Liu ,  Yibin Zhuo ,  Zhenzhen Cao ,  Mingzeng Dai

IPC: H04W40/24

Abstract: A data packet transmission method and apparatus are provided. The method includes: An IAB donor determines first configuration information, where the first configuration information is used to indicate a first backhaul link BH RLC channel, and the first BH RLC channel is used to transmit a control protocol data unit PDU at a backhaul adaptation protocol BAP layer. The IAB donor sends the first configuration information to an IAB node. According to the foregoing procedure, the IAB donor indicates, by using the first configuration information, the IAB node to send the control PDU at the BAP layer through the first BH RLC channel, to implement bearer mapping when the IAB node needs to send the control PDU at the BAP layer.

公开(公告)号：US12207174B2

公开(公告)日：2025-01-21

申请号：US17401587

申请日：2021-08-13

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Yuanping Zhu ,  Zhenzhen Cao ,  Mingzeng Dai ,  Yibin Zhuo ,  Jing Liu

IPC: H04W40/02 ,  H04L45/74 ,  H04L69/321

Abstract: This disclosure provides communications methods and apparatuses. One method comprises: receiving, by a first entity of an adaptation layer in a network node, a data packet sent by an entity of a lower protocol layer of the adaptation layer, wherein the data packet comprising an adaptation layer header and an adaptation layer payload; and processing the data packet in response to determining whether the network node is a destination node that the data packet is routed to at the adaptation layer.

公开(公告)号：US12191989B2

公开(公告)日：2025-01-07

申请号：US17366938

申请日：2021-07-02

Applicant: Huawei Technologies Co., Ltd.

Inventor： Bin Xu ,  Zhenzhen Cao ,  Bingzhao Li

IPC: H04L1/00 ,  H04L1/08 ,  H04L1/1812 ,  H04L1/1867

Abstract: A transmission mode selection method and a device are provided. The method includes: determining first indication information, where the first indication information is used to indicate a changed transmission mode and/or indicate to change a transmission mode; and sending the first indication information to a terminal device. There may be a plurality of transmission modes for transmitting a data packet duplicated at a PDCP layer, in other words, there may be a plurality of modes for PDCP duplication. A transmission mode can be selected by using the first indication information. For example, when reliability of a mode for PDCP duplication is not high, another transmission mode can be selected by using the first indication information. In this way, a reliability requirement of a service is met as much as possible, thereby improving transmission quality of the service.

公开(公告)号：US12101822B2

公开(公告)日：2024-09-24

申请号：US17982988

申请日：2022-11-08

Applicant: Huawei Technologies Co., Ltd.

Inventor： Haibo Xu ,  Yiru Kuang ,  Zhenzhen Cao ,  Jian Wang ,  Xuelong Wang

IPC: H04L12/24 ,  H04L5/00 ,  H04W72/0453 ,  H04W74/02 ,  H04W74/0833 ,  H04W76/27

CPC classification number: H04W74/0833 ,  H04L5/0055 ,  H04L5/0092 ,  H04L5/0098 ,  H04W72/0453 ,  H04W74/02 ,  H04W76/27

Abstract: A random access method and device. The method includes receiving, by user equipment, a radio resource control (RRC) connection reconfiguration message from a first network device, the RRC connection reconfiguration message indicating a primary serving cell of the second network device for a user equipment, an active uplink bandwidth part (BWP) in the primary serving cell, and an active downlink BWP in the primary serving cell, the RRC connection reconfiguration message includes an uplink BWP identifier indicating the active uplink BWP and a downlink BWP identifier indicating the active downlink BWP, the uplink BWP identifier corresponds to the active uplink BWP, the downlink BWP identifier corresponds to the active downlink BWP, and initiating, by the user equipment, a random access procedure to the second network device on the active uplink BWP and the active downlink BWP.

公开(公告)号：US12075413B2

公开(公告)日：2024-08-27

申请号：US17401986

申请日：2021-08-13

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Jing Liu ,  Zhenzhen Cao ,  Mingzeng Dai ,  Yuanping Zhu ,  Yibin Zhuo

IPC: H04W72/00 ,  H04W8/26 ,  H04W28/02 ,  H04W48/12 ,  H04W72/1273 ,  H04W72/20

CPC classification number: H04W72/20 ,  H04W8/26 ,  H04W28/0268 ,  H04W48/12 ,  H04W72/1273

Abstract: This application provides a data transmission method and an apparatus. The method includes that an integrated access and backhaul (IAB) donor distributed unit receives downlink data and service attribute information of downlink data that are sent by an IAB donor centralized unit. The IAB donor distributed unit maps the downlink data to a corresponding backhaul radio link control channel (BH RLC) channel based on the service attribute information of the downlink data or based on the service attribute information of the downlink data and access IAB node address information of the downlink data, and sends the downlink data to a next-hop IAB node.

公开(公告)号：US11991785B2

公开(公告)日：2024-05-21

申请号：US17507508

申请日：2021-10-21

Applicant: Huawei Technologies Co., Ltd.

Inventor： Bin Xu ,  Zhenzhen Cao

IPC: H04W80/02 ,  H04L5/00 ,  H04W28/06

CPC classification number: H04W80/02 ,  H04L5/0098 ,  H04W28/06

Abstract: This application relates to a communication method and device. The communication method includes: receiving first signaling, where the first signaling indicates to deactivate that a first logical channel; and determining, depending on whether a logical channel in an activated state and the first logical channel belong to a same MAC entity, whether an association relationship between a carrier and the logical channel in the activated state applies, where the first logical channel and the logical channel in the activated state belong to a same radio bearer, and a PDCP duplication transmission function is configured for the radio bearer. According to the method provided in embodiments of this application, after a logical channel is deactivated, carriers that should be used for a remaining logical channel can be known, so that a terminal device can perform a correct operation.

公开(公告)号：US11968620B2

公开(公告)日：2024-04-23

申请号：US18076556

申请日：2022-12-07

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Yiru Kuang ,  Haibo Xu ,  Zhenzhen Cao ,  Bingzhao Li

IPC: H04W52/02 ,  H04W72/04 ,  H04W72/044 ,  H04W74/02

CPC classification number: H04W52/0216 ,  H04W72/044 ,  H04W74/02

Abstract: A timer processing method includes: receiving, by a terminal device, a first message sent by a network device, and starting or restarting a timer based on a scrambling identifier of the first message, wherein the timer is a timer used by the terminal device to switch from an active downlink BWP to a default downlink BWP, or is a timer used by the terminal device to activate a default downlink BWP and deactivate an active downlink BWP; or if an active BWP pair of the terminal device is not a default BWP pair, starting or restarting, by the terminal device, a timer based on a scrambling identifier of the first message, wherein the timer is a timer used by the terminal device to switch from the active BWP pair to the default BWP pair, or is a timer used by the terminal device to activate the default BWP pair.

公开(公告)号：US11902844B2

公开(公告)日：2024-02-13

申请号：US18177379

申请日：2023-03-02

Applicant: Huawei Technologies Co., Ltd.

Inventor： Chuting Yao ,  Haibo Xu ,  Bingzhao Li ,  Zhenzhen Cao ,  Jian Wang

IPC: H04W4/00 ,  H04W36/08 ,  H04W76/19 ,  H04W80/02 ,  H04W80/08 ,  H04W12/0431 ,  H04W92/10

CPC classification number: H04W36/08 ,  H04W12/0431 ,  H04W76/19 ,  H04W80/02 ,  H04W80/08 ,  H04W92/10

Abstract: This application provides a data processing method and apparatus, and a computer storage medium. When a PDCP entity over a UM DRB is re-established, or when a cell handover occurs and the PDCP entity over a UM DRB uses a key used before the handover, the PDCP entity determines a first SDU, where the first SDU is an SDU that is associated with a sequence number by the PDCP entity but whose corresponding data has not been transmitted through an air interface; and delivers a PDU corresponding to the first SDU to an RLC entity. Data corresponding to the first SDU is redelivered, to avoid a data packet loss caused by preprocessing of the PDCP entity.

公开(公告)号：US20240040456A1

公开(公告)日：2024-02-01

申请号：US18448585

申请日：2023-08-11

Applicant: Huawei Technologies Co., Ltd.

Inventor： Mingchao Li ,  Zhenzhen Cao ,  Xiao Xiao

IPC: H04W36/08 ,  H04W72/563 ,  H04W4/40 ,  H04W76/27 ,  H04W56/00 ,  H04W74/08

CPC classification number: H04W36/08 ,  H04W72/563 ,  H04W4/40 ,  H04W76/27 ,  H04W56/001 ,  H04W74/0816

Abstract: Embodiments of the present invention provide a V2X message sending method, apparatus, and system, and relate to the field of Internet of Vehicles. The method includes: obtaining, by a terminal, first configuration information, where the first configuration information is used for determining a first transmission resource pool; determining the first transmission resource pool based on the first configuration information; selecting a first transmission resource from the first transmission resource pool in a first transmission resource obtaining manner when a preset condition is met; and sending a V2X message by using the first transmission resource.

公开(公告)号：US20230209427A1

公开(公告)日：2023-06-29

申请号：US18177379

申请日：2023-03-02

Applicant: Huawei Technologies Co., Ltd.

Inventor： Chuting Yao ,  Haibo Xu ,  Bingzhao Li ,  Zhenzhen Cao ,  Jian Wang

IPC: H04W36/08 ,  H04W76/19 ,  H04W80/02 ,  H04W80/08 ,  H04W12/0431

CPC classification number: H04W36/08 ,  H04W76/19 ,  H04W80/02 ,  H04W80/08 ,  H04W12/0431 ,  H04W92/10

Abstract: This application provides a data processing method and apparatus, and a computer storage medium. When a PDCP entity over a UM DRB is re-established, or when a cell handover occurs and the PDCP entity over a UM DRB uses a key used before the handover, the PDCP entity determines a first SDU, where the first SDU is an SDU that is associated with a sequence number by the PDCP entity but whose corresponding data has not been transmitted through an air interface; and delivers a PDU corresponding to the first SDU to an RLC entity. Data corresponding to the first SDU is redelivered, to avoid a data packet loss caused by preprocessing of the PDCP entity.