公开(公告)号：US20240080122A1

公开(公告)日：2024-03-07

申请号：US18506388

申请日：2023-11-10

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Jingfei LYU ,  Silvana RODRIGUES ,  Hongliang SU ,  Hao LI

IPC: H04J3/06

CPC classification number: H04J3/0667 ,  H04J3/0697

Abstract: This application discloses a packet transmission method and apparatus, a device, and a storage medium, and relates to the field of communication technologies. The method includes: in response to that a second slave port of a network device is invalid or the second slave port does not exist, a second master port of the network device obtains a second dataset, where the second dataset is obtained by modifying a first dataset, and the first dataset includes a timestamp carried in a first clock packet received by a first slave port and data generated by the first slave port based on the first clock packet. The network device sends a second clock packet based on the second dataset through the second master port, where a timestamp carried in the second clock packet is the timestamp carried in the first clock packet.

公开(公告)号：US20230208545A1

公开(公告)日：2023-06-29

申请号：US18177584

申请日：2023-03-02

Applicant: Huawei Technologies Co., Ltd.

Inventor： Jingfei LYU ,  Xingxin ZHANG

IPC: H04J3/06 ,  H04L45/745

CPC classification number: H04J3/0667 ,  H04L45/745

Abstract: This application provides a message processing method and apparatus, a device, and a storage medium. For a communication system including at least three network devices, a port status of one of the at least three network devices is a master state, and port statuses of the other network devices are non-master states. A first network device in the communication system receives, through a first port, a first message sent by a second port and used to measure a delay, where the second port is a port of a second network device in the communication system. The first network device skips replying with a second message based on a port status of the first port being a non-master state, to prevent a 1588 function from being disabled because the second port receives a plurality of second messages.

公开(公告)号：US20230208544A1

公开(公告)日：2023-06-29

申请号：US18170985

申请日：2023-02-17

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Jingfei LYU ,  Fang YU ,  Boling FAN

IPC: H04J3/06

CPC classification number: H04J3/0667 ,  H04J3/0652

Abstract: This application discloses a method, an apparatus, and a system for processing a time synchronization fault, and a storage medium, and belongs to the communications field. The method includes: when time of a first translator in a first network is not synchronized with a clock source that is in the first network, stopping sending, to a device communicating with the first translator, time synchronized with a clock source that is in a second network, where the device is located in the second network. In this application, incorrect time is not obtained for synchronization.

公开(公告)号：US20240204896A1

公开(公告)日：2024-06-20

申请号：US18592602

申请日：2024-03-01

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Xiaoyi ZENG ,  Jingfei LYU ,  Jinhui WANG

IPC: H04J3/06

CPC classification number: H04J3/0661

Abstract: A method for monitoring time synchronization, an apparatus, and a system. The method includes: a first network device obtains synchronization path information, where the synchronization path information is information about a synchronization path between a first time synchronization device and a time source. The first network device obtains time offset information of a plurality of time synchronization devices, where the time offset information of each of the plurality of time synchronization devices is information about a time offset between the time synchronization device and an upstream time device, and the plurality of time synchronization devices are time synchronization devices on the synchronization path. The first network device calculates a time offset of the synchronization path based on the synchronization path information and the time offset information of the plurality of time synchronization devices.

公开(公告)号：US20230379072A1

公开(公告)日：2023-11-23

申请号：US18364545

申请日：2023-08-03

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Jianlin XUE ,  Jingfei LYU ,  Xuming WU

IPC: H04J3/06 ,  H04J14/02 ,  H04Q11/00

CPC classification number: H04J3/0661 ,  H04J14/0227 ,  H04Q11/0067

Abstract: This application discloses a communication method and a device, and belongs to the communication field. The method includes: generating a passive optical network PON data frame, where the PON data frame includes an overhead area, the overhead area includes at least a part of a first timestamp, and the first timestamp is for time synchronization; and sending the PON data frame. This application can reduce operation overheads for parsing a PON data frame. This application is for time synchronization between an OLT and an ONU.