公开(公告)号：US20210409140A1

公开(公告)日：2021-12-30

申请号：US17471676

申请日：2021-09-10

Applicant: Huawei Technologies Co., Ltd.

Inventor： Jingfei Lv ,  Boling Fan ,  Jinhui Wang ,  Liqing Chen

IPC: H04J3/06 ,  H04L7/00

Abstract: A clock synchronization packet exchanging method includes sending, by a first device in a Flexible Ethernet (FlexE) group, a first FlexE instance at a first physical layer (PHY), where the first FlexE instance includes a clock synchronization packet, and a second FlexE instance sent by the first device in the FlexE group at a second PHY also includes a clock synchronization packet. The clock synchronization packets are carried in a plurality of FlexE instances transmitted between a transmit end and a receive end in the FlexE group.

公开(公告)号：US11750310B2

公开(公告)日：2023-09-05

申请号：US17471676

申请日：2021-09-10

Applicant: Huawei Technologies Co., Ltd.

Inventor： Jingfei Lv ,  Boling Fan ,  Jinhui Wang ,  Liqing Chen

IPC: H04L7/04 ,  H04J3/06 ,  H04L7/00

CPC classification number: H04J3/0667 ,  H04L7/0012 ,  H04L7/0025 ,  H04L7/0029

Abstract: A clock synchronization packet exchanging method includes sending, by a first device in a Flexible Ethernet (FlexE) group, a first FlexE instance at a first physical layer (PHY), where the first FlexE instance includes a clock synchronization packet, and a second FlexE instance sent by the first device in the FlexE group at a second PHY also includes a clock synchronization packet. The clock synchronization packets are carried in a plurality of FlexE instances transmitted between a transmit end and a receive end in the FlexE group.

公开(公告)号：US20230262625A1

公开(公告)日：2023-08-17

申请号：US18189376

申请日：2023-03-24

Applicant: Huawei Technologies Co., Ltd.

Inventor： Jingfei Lyu ,  Fang Yu ,  Boling Fan

IPC: H04W56/00

CPC classification number: H04W56/001 ,  H04W56/0055

Abstract: This application discloses a time synchronization fault processing method, apparatus, and system, and belongs to the communication field. The method includes: When time of a first translator in a first network is not synchronized with a clock source in the first network, the first translator stops communicating time information with at least one other translator in the first network than the first translator, where the time information is used for obtaining time synchronized with a clock source in a second network.

公开(公告)号：US20240223321A1

公开(公告)日：2024-07-04

申请号：US18602795

申请日：2024-03-12

Applicant: Huawei Technologies Co., Ltd.

Inventor： Rixin Li ,  Yunlei Qi ,  Boling Fan ,  Renlei Wang ,  Li Xu

IPC: H04L5/00 ,  H04L1/00

CPC classification number: H04L5/0016 ,  H04L1/0057 ,  H04L5/0078

Abstract: A communication method, a related apparatus, and a storage medium are provided. In this application, a first communication apparatus receives a first service data stream, generates a first code block stream based on the first service data stream, and sends the first code block stream. The first code block stream includes first clock frequency information, and the first clock frequency information indicates transmission duration of k first data frames of the first service data stream, and/or a moment at which the k first data frames of the first service data stream are received.

公开(公告)号：US20230016860A1

公开(公告)日：2023-01-19

申请号：US17954651

申请日：2022-09-28

Applicant: Huawei Technologies Co., Ltd.

Inventor： Boling Fan ,  Xingjian Shi ,  Wei Wu ,  Xiaoyi Zeng

IPC: H04J3/06 ,  H04L7/02

Abstract: A synchronization method includes obtaining a first timestamp difference of a packet on a target link. The first timestamp difference is a difference between a sending timestamp and a receiving timestamp of the packet at a first moment. The synchronization method further includes performing packet selection based on the first timestamp difference to obtain a second timestamp difference; obtaining a delay prediction value of the target link at the first moment, compensating for the second timestamp difference based on the delay prediction value to obtain a compensated timestamp difference; and performing time and/or clock synchronization based on the compensated timestamp difference. The second timestamp difference is compensated for based on the delay prediction value, that is, PDV noise introduced to the target link is compensated for. In this way, the PDV noise is reduced.