公开(公告)号：US20210391922A1

公开(公告)日：2021-12-16

申请号：US17279399

申请日：2019-09-24

Applicant: ZTE Corporation

Inventor： Dan GENG ,  Liquan YUAN ,  Weiliang ZHANG ,  Zhuang MA

IPC: H04B10/079 ,  H04B10/27 ,  H04B10/25

Abstract: A ranging method for an optical network, an OLT, an ONU, and an optical network system are provided. The OLT sends a bandwidth allocation message to the ONU; an OLT receiving a response message sent by an ONU in a first sending mode, wherein the first sending mode comprises sending power and a transmission rate; and the OLT performs ranging on the ONU according to the response message.

公开(公告)号：US20210377636A1

公开(公告)日：2021-12-02

申请号：US16760499

申请日：2018-10-31

Applicant: ZTE Corporation

Inventor： Weiliang ZHANG

IPC: H04Q11/00

Abstract: A downstream bandwidth transmission method for a passive optical network includes: performing a downstream bandwidth allocation (101); sending a result of the downstream bandwidth allocation (102); and sending traffic data based on the result of the downstream bandwidth allocation, where the result of the downstream bandwidth allocation carries optical network unit (ONU) indication information (103).

公开(公告)号：US20170237503A1

公开(公告)日：2017-08-17

申请号：US15502277

申请日：2015-06-08

Applicant: ZTE Corporation

Inventor： Dan GENG ,  Weiliang ZHANG ,  Dezhi ZHANG

IPC: H04B10/572 ,  H04J14/02

CPC classification number: H04B10/572 ,  H04B10/077 ,  H04J14/0249 ,  H04Q11/00 ,  H04Q2213/1301

Abstract: Provided are a distance measurement method, device and system. In the method, an Optical Line Terminal (OLT) commands an Optical Network Unit (ONU) to perform wavelength tuning; and when a message indicating that the wavelength tuning is completed is received from the ONU, the OLT measures a distance to the ONU.

公开(公告)号：US20170187452A1

公开(公告)日：2017-06-29

申请号：US15317550

申请日：2014-09-15

Applicant: ZTE CORPORATION

Inventor： Dan GENG ,  Weiliang ZHANG ,  Dezhi ZHANG

IPC: H04B10/038 ,  H04B10/572 ,  H04J14/08 ,  H04J14/02

CPC classification number: H04B10/038 ,  H04B10/0793 ,  H04B10/07957 ,  H04B10/572 ,  H04J14/0272 ,  H04J14/0282 ,  H04J14/08 ,  H04Q2011/0016 ,  H04Q2011/0033 ,  H04Q2011/0043

Abstract: The present document provides a method and apparatus for processing abnormal uplink data, herein, the method includes: a first time wavelength division multiplexing TWDM channel terminal in a TWDM passive optical network PON detecting abnormal uplink data; the first TWDM channel terminal sending uplink data abnormality information to other TWDM channel terminals in the TWDM PON, herein the uplink data abnormality information is used for the other TWDM channel terminals detecting whether uplink data sent by an optical network unit ONU managed by the other TWDM channel terminals are abnormal, and processing the ONU sending the abnormal uplink data when the abnormality is detected, solves the problem that an ONU sends data on a wrong uplink wavelength channel to cause uplink data interference on the uplink wavelength channel, and further achieves the effect of rapidly locating the ONU using the wrong uplink wavelength for communication.

公开(公告)号：US20250071452A1

公开(公告)日：2025-02-27

申请号：US18802921

申请日：2024-08-13

Applicant: ZTE Corporation

Inventor： Xingang HUANG ,  Weiliang ZHANG ,  Junshan WEI ,  Liquan YUAN

IPC: H04Q11/00

Abstract: Provided are a state transition method and apparatus, a device, and a storage medium. The method includes: an optical network unit verifies a received physical synchronization sequence field, and transitions the current state according to a verification result. As such, the probability of downstream synchronization detection can be effectively improved, and the probability of missed downstream synchronization detection can be reduced, thereby ensuring the normal operation of a PON system.

公开(公告)号：US20250063276A1

公开(公告)日：2025-02-20

申请号：US18724873

申请日：2022-03-02

Applicant: ZTE Corporation

Inventor： Weiliang ZHANG ,  Xingang HUANG ,  Liquan YUAN

IPC: H04Q11/00

Abstract: Provided in the embodiments of the present disclosure are a data transmission method and apparatus, and a storage medium and an electronic apparatus. The method includes: synchronization information is sent to an Optical Network Unit (ONU) by an Optical Line Terminal (OLT), so as to allow the ONU to set a function synchronous with the OLT based on the synchronization information; and target management information is encapsulated into a target frame, and the target frame is sent to the ONU on a time slot in which the target frame is allowed to be sent by the OLT.

公开(公告)号：US20250039584A1

公开(公告)日：2025-01-30

申请号：US18828230

申请日：2024-09-09

Applicant: ZTE CORPORATION

Inventor： Weiliang ZHANG ,  Yong GUO ,  Jun Shan WEY ,  Liquan YUAN

IPC: H04Q11/00 ,  H04B10/27

Abstract: Embodiments of the present disclosure provide an activation method, an activation device, a control device, a network device and an optical network system. A new-system ONU is activated on a first OLT in an existing system, and then activation information of the new-system ONU is sent to a second OLT in a new system by the first OLT or by an activation agent ONU which has been activated on the second OLT, thereby enabling activation of the new-system ONU on the second OLT.

公开(公告)号：US20240214104A1

公开(公告)日：2024-06-27

申请号：US18288907

申请日：2022-04-18

Applicant: ZTE CORPORATION

Inventor： Weiliang ZHANG ,  Xingang HUANG ,  Liquan YUAN ,  Zhuang MA ,  Haijun ZHANG

IPC: H04J14/02 ,  H04J3/06

CPC classification number: H04J14/0245 ,  H04J3/0623

Abstract: The present disclosure provides a data transmission method and apparatus, a network device, a system, and a storage medium. The data transmission method includes: continuously sending downlink data frames of different rates at a first designated wavelength in a time-division multiplexing manner, with the downlink data frames carrying clock recovery information and time slot identification information of the downlink data frames of the different rates; and the clock recovery information is used for an optical network unit to perform clock recovery on the downlink data frames of the different rates, and the time slot identification information is configured to indicate time slot information of the downlink data frames of the different rates at the first designated wavelength.

公开(公告)号：US20240063919A1

公开(公告)日：2024-02-22

申请号：US18488434

申请日：2023-10-17

Applicant: ZTE Corporation

Inventor： Jun Shan WEY ,  Dan GENG ,  Liquan YUAN ,  Weiliang ZHANG

IPC: H04B10/80 ,  H04B10/40

CPC classification number: H04B10/80 ,  H04B10/40

Abstract: A method of communication includes notify, by an optical line terminal (OLT), an optical network unit (ONU) a first time period assigned to a first power saving operation and a second time period assigned to a second power saving operation, and perform, by the OLT, the second power saving operation for a receiver of the OLT during the second time period and the first power saving operation for a transmitter of the OLT during the first time period.

公开(公告)号：US20230353915A1

公开(公告)日：2023-11-02

申请号：US18021195

申请日：2021-07-26

Applicant: ZTE Corporation

Inventor： Weiliang ZHANG ,  Liquan YUAN ,  Junshan WEI ,  Xingang HUANG

IPC: H04Q11/00

CPC classification number: H04Q11/0067 ,  H04Q2011/0086

Abstract: Provided are a method and device for responding to a registration request. The method includes: an Alloc-ID configuration table sent by an Optical Line Terminal (OLT) is received, the Alloc-ID configuration table including corresponding relationships between Alloc-IDs and upstream rates; the Alloc-ID configuration table is parsed to determine a target Alloc-ID from the corresponding relationships between the Alloc-IDs and the upstream rates, the rates corresponding to the target Alloc-ID including the rate supported by an Optical Network Unit (ONU); and a registration request sent by the OLT is responded to based on the target Alloc-ID, the registration request carrying the target Alloc-ID.