公开(公告)号：US11070293B2

公开(公告)日：2021-07-20

申请号：US16649888

申请日：2018-09-21

Applicant: ZTE CORPORATION

Inventor： Wei Yang ,  Xingang Huang ,  Jiangyan He

IPC: H04B10/293 ,  H04Q11/00

Abstract: The present disclosure provides a method and a device for amplifying uplink light of a passive optical network, and a computer-readable storage medium. The passive optical network includes an optical network unit, an optical line terminal, and an optical amplifier provided between the optical network unit and the optical line terminal, and the method include: receiving a registration signal transmitted from the optical line terminal; determining a gain value of the optical amplifier, and performing gain value adjustment on the optical amplifier according to the determined gain value; and completing registration when an uplink optical signal transmitted to the optical line terminal through the optical amplifier reaches preset power.

公开(公告)号：US10805033B2

公开(公告)日：2020-10-13

申请号：US16313034

申请日：2017-08-15

Applicant: ZTE CORPORATION

Inventor： Xingang Huang ,  Bo Yang

IPC: H04J14/02

Abstract: Disclosed is an optical line terminal (OLT), including: N tunable modules, each of the N tunable modules include M tunable transmitters, the number of tuning channels of the M tunable transmitters is greater than or equal to two and the number of the tuning channels is less than M×N, wherein N and M are integers greater than or equal to two.

公开(公告)号：US20160006510A1

公开(公告)日：2016-01-07

申请号：US14769581

申请日：2013-09-03

Applicant: ZTE CORPORATION

Inventor： Xue Chen ,  Yangyang Chen ,  Jie Su ,  Changlei Li ,  Zian He ,  Xingang Huang ,  Xian Zhou

IPC: H04B10/2513 ,  H04Q11/00 ,  H04B10/69

CPC classification number: H04B10/25133 ,  H04B10/697 ,  H04Q11/0067 ,  H04Q2011/0079

Abstract: Disclosed are a method for prolonging the transmission distance of a passive optical network system and an optical line terminal. The method includes: acquiring each EDC tap coefficient corresponding to each ONU; and according to the each EDC tap coefficient corresponding to the each ONU, performing dispersion compensation respectively on an uplink signal sent from the each ONU. Thus the dispersion suffered by ONUs at different transmission distances can be pertinently compensated, so that the transmission distance of the system can be effectively prolonged.

Abstract translation: 公开了一种用于延长无源光网络系统和光线路终端的传输距离的方法。 该方法包括：获取每个ONU对应的每个EDC抽头系数; 并且根据与每个ONU对应的每个EDC抽头系数，分别对从每个ONU发送的上行链路信号执行色散补偿。 因此，可以适当地补偿在不同传输距离的ONU遭受的色散，从而可以有效延长系统的传输距离。

公开(公告)号：US11916669B2

公开(公告)日：2024-02-27

申请号：US17956169

申请日：2022-09-29

Applicant: ZTE CORPORATION

Inventor： Zheng Liu ,  Liuming Lu ,  Yong Guo ,  Xingang Huang ,  Weiliang Zhang ,  Liquan Yuan

IPC: H04L1/00 ,  H03M13/11 ,  H03M13/15 ,  H04Q11/00

CPC classification number: H04L1/0061 ,  H03M13/1102 ,  H03M13/1515 ,  H04L1/0014 ,  H04Q11/0067

Abstract: Provided is a coding control method in a passive optical network (PON). The method includes acquiring data of a service to be coded and a preset codeword length N corresponding to the service to be coded; acquiring a coding mode corresponding to the preset codeword length N in a preset table describing a correspondence between codeword length ranges and coding modes; and coding data of the service by using the coding mode corresponding to the preset codeword length N. Further provided are a coding control apparatus in a PON, a communication device and a storage medium.

公开(公告)号：US11569916B2

公开(公告)日：2023-01-31

申请号：US17271915

申请日：2019-08-27

Applicant: ZTE Corporation

Inventor： Zhijuan Tu ,  Junwen Zhang ,  Xingang Huang ,  Mingsheng Li

IPC: H04B10/40 ,  H04B10/61 ,  H04B10/516 ,  H04B10/572 ,  H04B10/63 ,  H04B10/50 ,  H04B10/2587 ,  H04B10/64

Abstract: Provided is a coherent detection implementing apparatus, system and method. The apparatus includes: a first transceiver unit, configured to send an optical signal in a first direction to a second device, wherein the optical signal in the first direction includes a direct current optical signal with a first wavelength and a modulated optical signal with a second wavelength; and configured to receive an optical signal in a second direction from the second device; and a first coherent receiver, connected with the first transceiver unit, and configured to take a part of the direct current optical signal with the first wavelength in the optical signal in the first direction as a Local Oscillator (LO) light for coherent reception, perform coherent frequency mixing between the LO light and the optical signal in the second direction, and demodulate the optical signal in the second direction.

公开(公告)号：US11026002B2

公开(公告)日：2021-06-01

申请号：US16647039

申请日：2018-09-13

Applicant: ZTE CORPORATION

Inventor： Dan Geng ,  Bo Yang ,  Xingang Huang ,  Zhuang Ma ,  Liquan Yuan ,  Weiliang Zhang

IPC: H04B10/00 ,  H04Q11/00 ,  H04J3/06 ,  H04J3/16 ,  H04J14/02 ,  H04J14/00

Abstract: Provided are a method for managing an ONU in a passive optical network, an OLT and a system. The method includes determining a first quiet window and a second quiet window, and allocating the first quiet window to an ONU within a first preset distance range and allocating the second quiet window to an ONU within a second preset distance range, where the distance between the optical line terminal (OLT) and the ONU within the first preset distance range is less than the distance between the OLT and the ONU within the second preset distance range.

公开(公告)号：US10985860B2

公开(公告)日：2021-04-20

申请号：US16081755

申请日：2016-07-19

Applicant: ZTE CORPORATION

Inventor： Bo Yang ,  Xingang Huang ,  Mingsheng Li

IPC: H04J14/02 ,  G06F8/65 ,  G06F8/71 ,  H04L12/24 ,  H04Q11/00

Abstract: A method for managing a multi-wavelength passive optical network, comprising: an optical module extracting a module management signal from a reception signal input from an optical signal interface, where the module management signal carries a management message related to the optical module. The solution can solve the problem that an optical module of a multi-wavelength passive optical network in the related art cannot support the smooth upgrade of a related device to the multi-wavelength passive optical network.

公开(公告)号：US10530517B2

公开(公告)日：2020-01-07

申请号：US16097202

申请日：2016-06-21

Applicant: ZTE CORPORATION

Inventor： Liquan Yuan ,  Weiliang Zhang ,  Xingang Huang

IPC: H04B10/00 ,  H04J14/02 ,  H04Q11/00

Abstract: A channel adjustment method, apparatus and system. The method includes: an optical line terminal (OLT) receives a channel bonding capability parameter reported by an optical network unit (ONU) and supported by the ONU; the OLT determines a channel bonding capability parameter of a to-be-bonded channel of the ONU according to the channel bonding capability parameter, a serving application of the ONU and/or a data transmission state; and the OLT sends, to the ONU, first bonding control information carrying the channel bonding capability parameter of the to-be-bonded channel of the ONU and used for instructing the ONU to adjust the bonded channel.

公开(公告)号：US10390117B2

公开(公告)日：2019-08-20

申请号：US15525129

申请日：2015-11-06

Applicant: ZTE Corporation

Inventor： Dezhi Zhang ,  Xingang Huang

IPC: H04B10/27 ,  H04Q11/00 ,  H04B10/272 ,  H04J14/02

Abstract: Working Channel (CH) tuning methods, devices and system, an Optical Network Unit (ONU) and an Optical Line Terminal (OLT) are provided. In a working CH tuning method, at least one of the following information is provided for an OLT: a working CH corresponding to minimum power consumption or power consumption information corresponding to an ONU in different CHs. A tuning message which indicates an optimal working CH and is provided by the OLT according to the provided information is received from the OLT. A working CH is tuned to the optimal working CH indicated by the tuning message.

公开(公告)号：US12200413B2

公开(公告)日：2025-01-14

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

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.