公开(公告)号：US10735090B2

公开(公告)日：2020-08-04

申请号：US16360379

申请日：2019-03-21

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Haomian Zheng ,  Yu Zheng ,  Italo Busi ,  Qinfen Tan ,  Qingcong Lu

IPC: H04B10/00 ,  H04B10/038 ,  H04L12/10 ,  H04J3/14 ,  H04B10/077

Abstract: The present disclosure discloses a protection switching method and a node. The method includes: receiving, by an intermediate node, a first protection switching request message sent by an upstream neighboring node, where the first protection switching request message is used to request to activate a first protection path, and the intermediate node is a node on the first protection path; determining, by the intermediate node, that the first protection path needs to occupy N1 timeslots, and selecting N1 timeslots for the first protection path from N2 available timeslots in a preset order; and sending, by the intermediate node, a second protection switching request message to the downstream neighboring node, where the second protection switching request message is used to request the downstream neighboring node to complete a cross-connection, on the first protection path, between the downstream neighboring node and the intermediate node based on the first group of timeslots.

公开(公告)号：US11251863B2

公开(公告)日：2022-02-15

申请号：US16925687

申请日：2020-07-10

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Haomian Zheng ,  Yu Zheng ,  Italo Busi ,  Qinfen Tan ,  Qingcong Lu

IPC: H04B10/00 ,  H04B10/038 ,  H04L12/10 ,  H04J3/14 ,  H04B10/077

Abstract: The present disclosure discloses a protection switching method and a node. The method can include: receiving, by an intermediate node, a first protection switching request message sent by an upstream neighboring node, where the first protection switching request message is used to request to activate a first protection path, and the intermediate node is a node on the first protection path; determining, by the intermediate node, that the first protection path needs to occupy N1 timeslots, and selecting N1 timeslots for the first protection path from N2 available timeslots in a preset order; and sending, by the intermediate node, a second protection switching request message to the downstream neighboring node, where the second protection switching request message is used to request the downstream neighboring node to complete a cross-connection, on the first protection path, between the downstream neighboring node and the intermediate node based on the first group of timeslots.

公开(公告)号：US20230063712A1

公开(公告)日：2023-03-02

申请号：US18055143

申请日：2022-11-14

Applicant: Huawei Technologies Co., Ltd.

Inventor： Xiao Li ,  Qingcong Lu ,  Tianhai Chang

IPC: G02B27/01

Abstract: This application provides a head-up display apparatus and a display method. The display method comprising: obtaining line-of-sight information of a user, and determining a target display area of a head-up display based on the line-of-sight information, wherein the target display area is a sub-area of an overall display area of the head-up display; adjusting a light field to generate a real image of target content based on the target content in the target display area; and forming a light beam based on the real image of the target content, and projecting the light beam onto a windshield, to generate a virtual image of the target content.