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    • 1. 发明授权
    • Time synchronization method and device in passive optical network and passive optical network
    • 无源光网络和无源光网络中的时间同步方法和设备
    • US08805201B2
    • 2014-08-12
    • US13561413
    • 2012-07-30
    • Jun ZhaoSanzhong LiMeng Sui
    • Jun ZhaoSanzhong LiMeng Sui
    • H04B10/00
    • H04Q11/0067H04J3/0664H04J3/0667H04J3/0673H04Q2011/0079H04Q2011/0088
    • A time synchronization method and a time synchronization device in a passive optical network (PON), and a PON are provided. The method includes receiving a synchronization packet sent after time synchronization of an optical line terminal (OLT) with a master clock (MC) is achieved, wherein the synchronization packet carries a timestamp TMt1i determined after the time synchronization of the OLT is achieved, adjusting a local clock according to the timestamp to achieve time synchronization of an optical network unit/optical network terminal (ONU/ONT) with the OLT, and after the time synchronization of the OLT is achieved, instructing an slave clock (SC) to perform time synchronization. A time synchronization device and a time synchronization system for implementing the method in a PON are further provided.
    • 提供了一种无源光网络(PON)和PON中的时间同步方法和时间同步装置。 该方法包括接收在实现具有主时钟(MC)的光线路终端(OLT)的时间同步之后发送的同步分组,其中所述同步分组携带在实现所述OLT的时间同步之后确定的时间戳TMt1i, 根据时间戳的本地时钟,实现光网络单元/光网络终端(ONU / ONT)与OLT的时间同步,并且在实现OLT的时间同步之后,指示从时钟(SC)执行时间同步 。 还提供了一种用于在PON中实现该方法的时间同步装置和时间同步系统。
    • 2. 发明授权
    • Method for authentication of a wireless backup system for an optical network unit
    • 用于光网络单元的无线备份系统的认证方法
    • US09185555B2
    • 2015-11-10
    • US13089707
    • 2011-04-19
    • Michael ShafferMeng SuiWei Lin
    • Michael ShafferMeng SuiWei Lin
    • H04L9/32G06F15/173H04W12/06H04B10/272H04Q11/00H04L12/24H04W24/04
    • H04W12/06H04B10/272H04L41/0654H04Q11/0067H04Q2011/0079H04Q2011/0088H04W24/04
    • An apparatus comprising a first passive optical network (PON) component configured to couple to a second PON component via an optical link and authenticate the second PON component based on authentication information to authorize a backup wireless link between the first PON component and the second PON component. The backup wireless link corresponds to a wireless backup system for the PON. The authentication information is associated with an identifier of the wireless backup system. Also included is a network component comprising a first passive optical network (PON) component configured to receive authentication information for a wireless backup system for a PON from a second PON component and compare the authentication information to expected authentication information at the first PON component to authorize a wireless link between the first PON component and the second PON component for the wireless backup system.
    • 一种装置,包括被配置为经由光链路耦合到第二PON组件并基于认证信息认证所述第二PON组件的第一无源光网络(PON)组件,以授权所述第一PON组件和所述第二PON组件之间的备用无线链路 。 备用无线链路对应于PON的无线备份系统。 认证信息与无线备份系统的标识符相关联。 还包括网络组件,其包括被配置为从第二PON组件接收用于PON的无线备份系统的认证信息的第一无源光网络(PON)组件,并且将认证信息与第一PON组件的期望认证信息进行比较,以授权 用于无线备份系统的第一PON组件和第二PON组件之间的无线链路。
    • 8. 发明申请
    • Method for Authentication of a Wireless Backup System for an Optical Network Unit
    • 用于光网络单元的无线备份系统的认证方法
    • US20110262129A1
    • 2011-10-27
    • US13089707
    • 2011-04-19
    • Michael ShafferMeng SuiWei Lin
    • Michael ShafferMeng SuiWei Lin
    • H04B10/00
    • H04W12/06H04B10/272H04L41/0654H04Q11/0067H04Q2011/0079H04Q2011/0088H04W24/04
    • An apparatus comprising a first passive optical network (PON) component configured to couple to a second PON component via an optical link and authenticate the second PON component based on authentication information to authorize a backup wireless link between the first PON component and the second PON component. The backup wireless link corresponds to a wireless backup system for the PON. The authentication information is associated with an identifier of the wireless backup system. Also included is a network component comprising a first passive optical network (PON) component configured to receive authentication information for a wireless backup system for a PON from a second PON component and compare the authentication information to expected authentication information at the first PON component to authorize a wireless link between the first PON component and the second PON component for the wireless backup system.
    • 一种装置,包括被配置为经由光链路耦合到第二PON组件并基于认证信息认证所述第二PON组件的第一无源光网络(PON)组件,以授权所述第一PON组件和所述第二PON组件之间的备份无线链路 。 备用无线链路对应于PON的无线备份系统。 认证信息与无线备份系统的标识符相关联。 还包括网络组件,其包括被配置为从第二PON组件接收用于PON的无线备份系统的认证信息的第一无源光网络(PON)组件,并且将认证信息与第一PON组件的期望认证信息进行比较,以授权 用于无线备份系统的第一PON组件和第二PON组件之间的无线链路。
    • 9. 发明申请
    • METHOD FOR MEASURING FIBER LENGTH, OPTICAL LINE TERMINAL AND OPTICAL NETWORK SYSTEM
    • 光纤长度,光线终端和光网络系统测量方法
    • US20090010642A1
    • 2009-01-08
    • US12234308
    • 2008-09-19
    • Meng SuiSulin YangHai GaoFeng Wang
    • Meng SuiSulin YangHai GaoFeng Wang
    • H04B10/08
    • H04B10/0793
    • A method for measuring fiber length, an optical line terminal and an optical network system. The method for measuring fiber length according to the embodiment of the present invention includes the following steps: Sending the first message to an optical network device at the subscriber side; —Receiving the second message, which is a response returned by the optical network device at the subscriber side to the first message; —Determining the duration between sending the first message and receiving the second message; Calculating the length of the fiber to the optical network device at the subscriber side according to the above-mentioned duration and the information related to the processing delay of the optical network device at the subscriber side, wherein the information related to the processing delay of the optical network device at the subscriber side includes the actual response time of the optical network device at the subscriber side.
    • 光纤长度测量方法,光线路终端和光网络系统。 根据本发明实施例的光纤长度测量方法包括以下步骤:将第一消息发送到用户侧的光网络设备; - 接收第二消息,其是由用户侧的光网络设备返回到第一消息的响应; - 确定发送第一消息和接收第二消息之间的持续时间; 根据上述持续时间计算光纤到用户侧的光网络设备的长度,以及与用户侧的光网络设备的处理延迟有关的信息,其中,与该用户侧的光网络设备的处理延迟有关的信息 用户侧的光网络设备包括用户侧光网络设备的实际响应时间。