公开(公告)号：US11627510B2

公开(公告)日：2023-04-11

申请号：US17655643

申请日：2022-03-21

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

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：US20230042357A1

公开(公告)日：2023-02-09

申请号：US17937119

申请日：2022-09-30

Applicant: Huawei Technologies Co., Ltd.

Inventor： Bin Xu ,  Bingzhao Li ,  Haifeng Yu

IPC: H04W76/15 ,  H04L1/16 ,  H04W4/06

Abstract: This application discloses a multicast transmission method. The multicast transmission method includes: a first network device receives a first data packet and first indication information, where the first indication information indicates a sequence of the first data packet in at least one data packet; the first network device sets a sequence number of a first protocol layer of the first data packet based on the first indication information; and the first network device sends the first data packet to a terminal device. In this way, all data packets received by the terminal device include corresponding sequence numbers of the first protocol layers.

公开(公告)号：US11564099B2

公开(公告)日：2023-01-24

申请号：US16859699

申请日：2020-04-27

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Li Hu ,  Bingzhao Li ,  Xiaoying Xu ,  Jing Chen ,  He Li

IPC: H04L29/06 ,  H04W12/106 ,  H04W76/27 ,  H04L9/14 ,  H04W36/08 ,  H04W12/037 ,  H04W12/041

Abstract: This application provides an RRC connection resume method and apparatus. In the method, when a terminal moves to a target base station, the target base station may reselect, based on a capability and a requirement of the target base station, a first encryption algorithm and a first integrity protection algorithm that are used when the target base station communicates with the terminal, and send the first encryption algorithm and the first integrity protection algorithm to the terminal. On one hand, a security algorithm used for communication between the terminal and the target base station is flexibly selected. On the other hand, because the base station connected to the terminal changes, communication security can be improved by using a new encryption algorithm and integrity protection algorithm.

公开(公告)号：US20220330133A1

公开(公告)日：2022-10-13

申请号：US17848781

申请日：2022-06-24

Applicant: Huawei Technologies Co., Ltd.

Inventor： Lei Chen ,  Bingzhao Li

IPC: H04W48/02 ,  H04W48/16 ,  H04W36/08

Abstract: This application provides a cell reselection method, a terminal device, and a network device. The terminal device may be a low-bandwidth terminal device, so that a time period for the terminal device to perform cell reselection is reduced, and power consumption of the terminal device is reduced. The method includes: The terminal device receives first indication information sent by the network device, where the first indication information indicates information about an initial bandwidth part of a first cell, the first cell is a neighboring cell of a second cell, and the second cell is a cell on which the terminal device currently camps. The terminal device determines, based on a type of the terminal device and the first indication information, whether to reselect to the first cell.

公开(公告)号：US20220287028A1

公开(公告)日：2022-09-08

申请号：US17748427

申请日：2022-05-19

Applicant: Huawei Technologies Co., Ltd.

Inventor： Bingzhao Li ,  Yi Guo ,  Huiping Shan ,  Guangsheng Pan

IPC: H04W72/04 ,  H04B7/0413 ,  H04B7/06 ,  H04W8/24 ,  H04W72/08

Abstract: A method includes: determining, by a terminal device, a carrier aggregation capability and baseband capabilities of the terminal device, where the carrier aggregation capability includes a quantity of carriers and a bandwidth of a carrier in a carrier aggregation group supported by the terminal device, and the baseband capabilities include a multiple-input multiple-output (MIMO) capability; sending, by the terminal device, the information of the carrier aggregation capability and the baseband capabilities to a network device; and receiving, by the terminal device, configuration information.

公开(公告)号：US20220279371A1

公开(公告)日：2022-09-01

申请号：US17746699

申请日：2022-05-17

Applicant: Huawei Technologies Co., Ltd.

Inventor： Bingzhao Li ,  Xuelong Wang ,  Junren Chang ,  Lingshuai Kong

IPC: H04W24/10 ,  H04L5/00 ,  H04W72/04 ,  H04W72/08

Abstract: A measurement configuration method, includes receiving measurement trigger information comprising event trigger information or periodic measurement configuration information, and one or a combination of the following information: a measurement quantity (M) that needs to be reported and a measurement quantity (T) for triggering a measurement event; and sorting and reporting beams in a cell based on the measurement quantity (M) that needs to be reported or the measurement quantity (T) for triggering a measurement event.

公开(公告)号：US11343826B2

公开(公告)日：2022-05-24

申请号：US16832405

申请日：2020-03-27

Applicant: Huawei Technologies Co., Ltd.

Inventor： Bingzhao Li ,  Yi Guo ,  Huiping Shan ,  Guangsheng Pan

IPC: H04L5/00 ,  H04L1/00 ,  H04W72/04 ,  H04B7/0413 ,  H04B7/06 ,  H04W8/24 ,  H04W72/08 ,  H04W88/02

Abstract: A method includes: determining, by a terminal device, a carrier aggregation capability and baseband capabilities of the terminal device, where the carrier aggregation capability includes a quantity of carriers and a bandwidth of a carrier in a carrier aggregation combination supported by the terminal device, and the baseband capabilities include a multiple-input multiple-output (MIMO) capability; sending, by the terminal device, the information of the carrier aggregation capability and the baseband capabilities to a network device; and receiving, by the terminal device, configuration information.

公开(公告)号：US11252558B2

公开(公告)日：2022-02-15

申请号：US16582941

申请日：2019-09-25

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Bingzhao Li ,  Wei Quan ,  Zhenxing Hu ,  Jian Zhang ,  Xiaodong Yang ,  Jinhua Miao

IPC: H04W8/02 ,  H04W8/24 ,  H04W36/00 ,  H04W76/11 ,  H04W8/08 ,  H04W36/04 ,  H04W36/36 ,  H04W36/34

Abstract: A mobility management method, user equipment, and a network device are provided. The mobility management method includes: receiving, by user equipment UE in a connected state, a handover-free UE identifier from a network device, where the handover-free UE identifier is used to uniquely identify the UE in a handover-free state in a handover-free area, and the handover-free area includes at least two cells; entering, by the UE, the handover-free state after meeting an activation condition, where in the handover-free state, the UE stores the handover-free UE identifier and a connection context that is of the UE in the connected state, and the UE does not execute a handover procedure when the UE moves in the handover-free area; sending, by the UE, the handover-free UE identifier to the network device after the UE determines that a deactivation condition is met.

公开(公告)号：US20220015152A1

公开(公告)日：2022-01-13

申请号：US17486186

申请日：2021-09-27

Applicant: Huawei Technologies Co., Ltd.

Inventor： Lei Chen ,  Hong Wang ,  Bingzhao Li

IPC: H04W74/08 ,  H04W72/04 ,  H04W68/00

Abstract: A data transmission method and an apparatus, the method including sending, by an access network device, a paging message to a terminal device, where the paging message includes a first indication, receiving, by the access network device, a random access preamble from the terminal device, where the random access preamble corresponds to the first indication, and sending, by the access network device in response to the random access preamble, a response message to the terminal device, where the response message includes downlink data and one or more of a timing advance (TA), an uplink grant (UL-Grant), a temporary cell radio network temporary identity (TC-RNTI), a logical channel identifier (LCID), or a downlink assignment (DL-assignment).

公开(公告)号：US11191010B2

公开(公告)日：2021-11-30

申请号：US16793596

申请日：2020-02-18

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Wei Quan ,  Yan Wang ,  Bingzhao Li ,  Jian Zhang

IPC: H04W48/14 ,  H04W88/08

Abstract: The present disclosure relates to system information transmission methods and apparatus. One example method includes receiving, by a first network node, at least one type of system information (SI) from a second network node, where the at least one type of SI includes first SI, receiving, by the first network node, a request message from a terminal device, where the request message is used to request the first SI, and sending, by the first network node, the first SI to the terminal device based on the request message and the at least one type of SI.