公开(公告)号：US20140029947A1

公开(公告)日：2014-01-30

申请号：US14039715

申请日：2013-09-27

Applicant: Huawei Technologies Co., LTD

Inventor： Min Wan ,  Xiaofei Zeng

IPC: H04J14/08

CPC classification number: H04J14/086 ,  H04B10/077 ,  H04B10/079 ,  H04B10/272 ,  H04J14/0247 ,  H04J14/0252 ,  H04J14/0282 ,  H04Q11/0067 ,  H04Q2011/0081 ,  H04Q2011/0083

Abstract: Embodiments of the present invention disclose a method and an apparatus for detecting an ONU, and a passive optical network system. The method includes detecting an identity code of an ONU in an open uplink empty window or an empty timeslot, and determining that an ONU corresponding to the identity code of the ONU is a rogue ONU according to the identity code of the ONU. A corresponding apparatus and passive optical network system are also provided in the embodiments of the present invention. In the passive optical network system, a rogue ONU is detected and determined quickly and efficiently, and an effect on an uplink service is reduced.

Abstract translation: 本发明的实施例公开了一种用于检测ONU的方法和装置以及无源光网络系统。 该方法包括：在打开的上行链路空窗口或空白时隙中检测ONU的识别码，并根据ONU的识别码确定与ONU的身份码相对应的ONU为流氓ONU。 在本发明的实施例中还提供了相应的设备和无源光网络系统。 在无源光网络系统中，快速高效地检测和确定流氓ONU，降低对上行服务的影响。

公开(公告)号：US20230024989A1

公开(公告)日：2023-01-26

申请号：US17937038

申请日：2022-09-30

Applicant: Huawei Technologies Co., Ltd.

Inventor： Jinbo Li ,  Zelin Wang ,  Xiaofei Zeng

IPC: H04L12/10 ,  H04Q11/00

Abstract: Embodiments of this application disclose an optical network unit and a PoE power supply system. The optical network unit in embodiments of this application includes a conductive connection terminal, a switch module, a network transformer, a first voltage conversion module, and a network interface connector. The conductive connection terminal is configured to be connected to a power over Ethernet PoE power supply device, and the conductive connection terminal is connected to the network transformer.

公开(公告)号：US20230006698A1

公开(公告)日：2023-01-05

申请号：US17930523

申请日：2022-09-08

Applicant: Huawei Technologies Co., Ltd.

Inventor： Xiaofei Zeng ,  Lei Jing ,  Lun Zhang

IPC: H03M13/21 ,  H04L1/00 ,  H03M13/00

Abstract: An information processing apparatus includes: a decoding module, configured to receive M first codewords from at least one peer device, where each first codeword includes first service data with a K-unit length and an error correction code with an R-unit length, where the decoding module is further configured to decode the M first codewords to obtain M second codewords, where a length of each second codeword is a sum of the K-unit length and the R-unit length, each second codeword includes second service data with the K-unit length and error correction information, the second service data is error-corrected first service data; and a classification and statistics collection module, configured to determine a bit error rate of the first service data based on the error correction information.

公开(公告)号：US11228823B2

公开(公告)日：2022-01-18

申请号：US16952912

申请日：2020-11-19

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Shengmeng Fu ,  Yu Xiong ,  Jiangwei Man ,  Chengyan Wang ,  Xiaofei Zeng ,  Li Zeng

IPC: H04Q11/00 ,  H04B10/69

Abstract: An optical receiver is disclosed, including an optoelectronic detector, a transimpedance amplification (TIA) circuit, a single-ended-to-differential converter, an I/O interface, and a controller. The optoelectronic detector, having bandwidth lower than required system transmission bandwidth, converts an optical signal into a current signal. The TIA circuit compensate gain for the received current signal based on a received control signal, to obtain a voltage signal, where a frequency response value of the current signal within first bandwidth is greater than that within the bandwidth of the optoelectronic detector, and any frequency in the first bandwidth is not lower than an upper cut-off frequency of the optoelectronic detector. The single-ended-to-differential converter converts the voltage signal into a differential voltage signal. The I/O interface outputs the differential voltage signal. The controller generates the control signal based on the differential voltage signal. The optical receiver disclosed can reduce costs while ensuring signal quality.

公开(公告)号：US20170324507A1

公开(公告)日：2017-11-09

申请号：US15633482

申请日：2017-06-26

Applicant: Huawei Technologies Co., Ltd.

Inventor： Min Wan ,  Xiaofei Zeng

IPC: H04J14/08 ,  H04B10/079 ,  H04B10/077

CPC classification number: H04J14/086 ,  H04B10/077 ,  H04B10/079 ,  H04B10/272 ,  H04J14/0247 ,  H04J14/0252 ,  H04J14/0282 ,  H04Q11/0067 ,  H04Q2011/0081 ,  H04Q2011/0083

Abstract: A method for detecting an optical network unit (ONU) in a passive optical network (PON), an ONU, a PON and an optical line terminal (OLT) are disclosed. In an embodiment the method include detecting an ONU identity code in an open uplink empty window or an empty timeslot, wherein the ONU identity code is a specific code stream sequence of the ONU that identifies a single ONU of the plurality of ONUs included in the PON system during the open uplink empty window or the empty timeslot and determining that the single ONU corresponding to the ONU identity code is a rogue ONU according to the ONU identity code.

公开(公告)号：US09705632B2

公开(公告)日：2017-07-11

申请号：US14039715

申请日：2013-09-27

Applicant: Huawei Technologies Co., LTD

Inventor： Min Wan ,  Xiaofei Zeng

IPC: H04B10/077 ,  H04B10/079 ,  H04J14/08 ,  H04B10/272 ,  H04Q11/00 ,  H04J14/02

Abstract: Embodiments of the present invention disclose a method and an apparatus for detecting an ONU, and a passive optical network system. The method includes detecting an identity code of an ONU in an open uplink empty window or an empty timeslot, and determining that an ONU corresponding to the identity code of the ONU is a rogue ONU according to the identity code of the ONU. A corresponding apparatus and passive optical network system are also provided in the embodiments of the present invention. In the passive optical network system, a rogue ONU is detected and determined quickly and efficiently, and an effect on an uplink service is reduced.

公开(公告)号：US20160285546A1

公开(公告)日：2016-09-29

申请号：US15176845

申请日：2016-06-08

Applicant: Huawei Technologies Co., Ltd.

Inventor： Xiaofei Zeng ,  Sanzhong Li ,  Gang Zheng

IPC: H04B10/079 ,  H04B10/27

CPC classification number: H04B10/0793 ,  H04B10/07 ,  H04B10/0795 ,  H04B10/27

Abstract: An apparatus and a method for detecting an uplink optical signal. The apparatus includes a memory and a processor, where the processor is configured to determine a remaining bandwidth in a target uplink frame as a test window, where the remaining bandwidth in the target uplink frame indicates an unallocated bandwidth in the target uplink frame, and detect an uplink optical signal in the determined test window. Therefore, a remaining bandwidth obtained after bandwidth allocation in a target uplink frame is used to detect an uplink optical signal, which can effectively use a resource without the need of independently opening a test window and using an extra resource to detect the uplink optical signal, thereby avoiding waste of a resource and improving test efficiency.

Abstract translation: 一种用于检测上行链路光信号的装置和方法。 该装置包括存储器和处理器，其中处理器被配置为将目标上行链路帧中的剩余带宽确定为测试窗口，其中目标上行链路帧中的剩余带宽指示目标上行链路帧中的未分配带宽，并且检测 在确定的测试窗口中的上行链路光信号。 因此，在目标上行链路帧中的带宽分配之后获得的剩余带宽用于检测能够有效地使用资源而不需要独立地打开测试窗口并使用额外资源来检测上行链路光信号的上行链路光信号， 从而避免浪费资源，提高测试效率。