公开(公告)号：US20230134239A1

公开(公告)日：2023-05-04

申请号：US17911339

申请日：2020-12-30

Applicant: ZTE CORPORATION

Inventor： Liuming LU ,  Liquan YUAN

IPC: H04L43/0852 ,  H04L43/106 ,  H04L41/14

Abstract: Provided are a delay performance evaluation method and apparatus and a storage medium. The delay performance evaluation method includes sending, by a first communication node, an evaluation data unit to a second communication node; receiving, by the first communication node, an evaluation feedback data unit which is sent by the second communication node and sent according to the evaluation data unit; and according to a transmission condition of the evaluation data unit and the evaluation feedback data unit, acquiring, by the first communication node, a delay evaluation parameter caused by internal communication contention or control of a BSS where the first communication node is located and/or a delay evaluation parameter caused by an external interference of the BSS.

公开(公告)号：US20230121842A1

公开(公告)日：2023-04-20

申请号：US17906219

申请日：2021-04-29

Applicant: ZTE CORPORATION

Inventor： Weiliang ZHANG ,  Mingsheng LI ,  Zhuang MA ,  Yufeng LI ,  Liquan YUAN

IPC: H04Q11/00

Abstract: A service transmission method and apparatus, a sender and a storage medium are disclosed. The service transmission method, applied to at a sender, may include: preempting, by one transmission entity, a transmission opportunity of another transmission entity to perform service transmission.

公开(公告)号：US20220271858A1

公开(公告)日：2022-08-25

申请号：US17620216

申请日：2020-06-04

Applicant: ZTE Corporation

Inventor： Weiliang ZHANG ,  Mingsheng LI ,  Bo YANG ,  Liquan YUAN

IPC: H04J14/02 ,  H04Q11/00

Abstract: Provided are wavelength switching and configuration methods and devices for a Passive Optical Network (PON). The switching method includes the following operations. An Optical Network Unit (ONU) responds to a ranging request message sent by an Optical Line Terminal (OLT) on a first uplink wavelength supported by the ONU. The ONU receives ranging information sent by the OLT. The ONU uses the received ranging information as ranging information about a second uplink wavelength of the ONU, and performs data transmission on the second uplink wavelength according to a bandwidth allocation from the OLT. A path transmission time difference caused by a wavelength interval between the first uplink wavelength and the second uplink wavelength is less than a corresponding fault tolerance range when the OLT receives data. The ranging information is obtained by the OLT according to a ranging response sent by the ONU on the first uplink wavelength.

公开(公告)号：US20220239996A1

公开(公告)日：2022-07-28

申请号：US17619228

申请日：2020-06-09

Applicant: ZTE Corporation

Inventor： Weiliang ZHANG ,  Liquan YUAN ,  Junshan WEI ,  Yong GUO

IPC: H04Q11/00

Abstract: The embodiments of the present disclosure provide a bandwidth assignment method and apparatus, and a bandwidth check method and apparatus. Specifically, the bandwidth assignment method includes that: first relevant information about a bandwidth assigned to an Optical Network Unit (ONU) is obtained, wherein the first relevant information at least includes service control signaling in a bandwidth-related protocol packet; and the first relevant information is converted into first bandwidth information, and a bandwidth is assigned to the ONU according to the first bandwidth information, wherein the first bandwidth information includes: a bandwidth size corresponding to the bandwidth assigned to the ONU, a delay corresponding to the bandwidth assigned to the ONU, and a start time corresponding to the bandwidth assigned to the ONU. By means of the embodiments of the present disclosure, the problem in the related art of the difficulty of a Passive Optical Network (PON) system in meeting the transmission delay requirements required by a mobile service is solved, thereby achieving the effect of reducing the transmission delay of the PON system.

公开(公告)号：US20220150608A1

公开(公告)日：2022-05-12

申请号：US17589059

申请日：2022-01-31

Applicant: ZTE Corporation

Inventor： Weiliang ZHANG ,  Liquan YUAN

IPC: H04Q11/00

Abstract: Embodiments of the present application provide a method and apparatus for opening a quiet window, and a registration method, apparatus and system. The method for opening a quiet window includes that: a first quiet window is opened when it is determined that the first quiet window needs to be opened, wherein the first quiet window is used for Optical Network Unit (ONU) discovery. According to the embodiments of the present application, a first quiet window is opened only when it is determined that the first quiet window needs to be opened, rather than periodically opening the first quiet window, such that the efficiency of the first quiet window is improved and the impact of the first quiet window on a data transmission delay is reduced, thereby reducing a transmission delay of a Passive Optical Network (PON) system.

公开(公告)号：US20210409125A1

公开(公告)日：2021-12-30

申请号：US17473893

申请日：2021-09-13

Applicant: ZTE Corporation

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

IPC: 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：US20210400365A1

公开(公告)日：2021-12-23

申请号：US17279718

申请日：2019-09-24

Applicant: ZTE Corporation

Inventor： Weiliang ZHANG ,  Liquan YUAN ,  Zheng LIU ,  Dan GENG ,  Yong GUO ,  Yongjia YIN

IPC: H04Q11/00 ,  H04L1/00

Abstract: A data processing method and apparatus for a Passive Optical Network (PON) system and a PON system, the method including: a first partial bandwidth is allocated to a first Optical Network Unit (ONU) within a first time window, the first ONU having completed registration and being in a working state; and a first data frame from the first ONU is received within a time corresponding to the first partial bandwidth, and a second data frame from a second ONU is detected within the first time window, the second ONU having not completed registration.

公开(公告)号：US20210352387A1

公开(公告)日：2021-11-11

申请号：US17277946

申请日：2019-09-24

Applicant: ZTE Corporation

Inventor： Dan GENG ,  Mingsheng LI ,  Jinsong BEI ,  Liquan YUAN ,  Yong GUO

IPC: H04Q11/00

Abstract: Provided are a ranging method and a communication method for an optical network, an Optical Line Terminal (OLT), an Optical Network Unit (ONU), and an optical network system. The OLT sends a broadcast message to the ONU, the broadcast message being used to indicate an uplink bandwidth allocated to the ONU. The OLT opens a quiet window for the ONU in a predetermined region. The OLT receives an uplink signal sent by the ONU at the quiet window.

公开(公告)号：US20170055053A1

公开(公告)日：2017-02-23

申请号：US15118646

申请日：2014-07-23

Applicant: ZTE Corporation

Inventor： Dezhi ZHANG ,  Liquan YUAN ,  Weiliang ZHANG ,  Dan GENG

IPC: H04Q11/00 ,  H04J14/02

CPC classification number: H04Q11/0067 ,  H04J14/0223 ,  H04J14/0238 ,  H04Q2011/0086 ,  H04Q2011/0088 ,  H04Q2213/1301

Abstract: The disclosure provides a method and apparatus for adjusting wavelength for an Optical Line Terminal/Optical Network Unit (OLT/ONU). The method for adjusting wavelength for an OLT includes that: a source OLT sends an adjustment notification message to a target OLT, wherein the adjustment notification message is used for indicating that an ONU is to be adjusted into a Time-Wavelength Division Multiplexing Channel (TWDM CH) of the target OLT; and the source OLT receives an adjustment acknowledgement message provided by the target OLT, wherein the adjustment acknowledgement message is used for indicating that an adjustment process of the ONU has been completed. By means of the technical solution provided in the disclosure, an ONU of a source OLT can still work normally after being switched to a channel of a target OLT, thereby achieving the effect that the continuity of a service between the OLT and the ONU may be maintained.

Abstract translation: 本发明提供一种用于调整光线路终端/光网络单元（OLT / ONU）的波长的方法和装置。 用于调整OLT的波长的方法包括：源OLT向目标OLT发送调整通知消息，其中调整通知消息用于指示ONU将被调整为时间波分复用信道（TWDM CH）; 源OLT接收由目标OLT提供的调整确认消息，其中调整确认消息用于指示ONU的调整处理已经完成。 通过本公开提供的技术方案，OLT OLT在切换到目标OLT的信道后仍然可以正常工作，从而达到OLT和ONU之间的业务连续性可能 保持。