Passive Optical Network with Adaptive Filters for Upstream Transmission Management
    11.
    发明申请
    Passive Optical Network with Adaptive Filters for Upstream Transmission Management 有权
    用于上行传输管理的自适应滤波器的被动光网络

    公开(公告)号:US20120014693A1

    公开(公告)日:2012-01-19

    申请号:US13179942

    申请日:2011-07-11

    IPC分类号: H04J14/02 H04B10/08

    CPC分类号: H04J14/0282

    摘要: A wavelength division multiplexing passive optical network (WPON) comprising an optical line terminal (OLT) and a plurality of optical network units (ONUs) coupled to the OLT via a power optical splitter. The OLT is configured to monitor wavelengths in use by the ONUs and to divide upstream traffic from the ONUs into multiple channels using tunable filters. Also disclosed is an OLT for a PON, the OLT comprising a plurality of receivers and a plurality of tunable filters corresponding to each of the receivers. The OLT also comprises channel control logic coupled to the tunable filters, wherein the channel control logic is configured to detect a plurality of wavelengths in use for upstream traffic in the PON and to divide the upstream traffic into multiple channels using the tunable filters. Included is a method for managing upstream traffic in a PON, the method comprising monitoring, by a processor, wavelengths in use for upstream traffic in the PON. The method also comprises dividing the upstream traffic into multiple channels using tunable filters.

    摘要翻译: 一种波分复用无源光网络(WPON),包括通过功率分光器耦合到OLT的光线路终端(OLT)和多个光网络单元(ONU)。 OLT配置为监视ONU使用的波长,并使用可调滤波器将上行业务从ONU划分为多个通道。 还公开了一种用于PON的OLT,OLT包括多个接收机和与每个接收机对应的多个可调滤波器。 OLT还包括耦合到可调谐滤波器的信道控制逻辑,其中信道控制逻辑被配置为检测用于PON中的上行业务的多个波长,并且使用可调滤波器将上行业务划分成多个信道。 包括用于管理PON中的上行业务的方法,该方法包括由处理器监视用于PON中的上行业务的波长。 该方法还包括使用可调滤波器将上游业务划分成多个信道。

    System and method for providing failure protection in optical networks
    12.
    发明申请
    System and method for providing failure protection in optical networks 有权
    在光网络中提供故障保护的系统和方法

    公开(公告)号:US20080063405A1

    公开(公告)日:2008-03-13

    申请号:US11517815

    申请日:2006-09-08

    IPC分类号: H04B10/00

    摘要: A system and method for transmitting an optical signal. The system includes a first optical transmitter capable of transmitting a first optical signal under one or more first operating conditions, and the first optical signal corresponds to a first wavelength. Additionally, the system includes a second optical transmitter capable of transmitting a second optical signal under one or more second operating conditions, and the second optical signal corresponds to a second wavelength. Moreover, the system includes an optical multiplexer coupled to the first optical transmitter and the second optical transmitter and capable of generating a multiplexed optical signal, a detection component configured to determine at least whether the first optical transmitter satisfies one or more predetermined conditions, and a tunable optical transmitter capable of transmitting a third optical signal. The third optical signal corresponds to a third wavelength.

    摘要翻译: 一种用于发送光信号的系统和方法。 该系统包括能够在一个或多个第一操作条件下发送第一光信号的第一光发射机,第一光信号对应于第一波长。 此外,该系统包括能够在一个或多个第二操作条件下发送第二光信号的第二光发射机,第二光信号对应于第二波长。 此外,该系统包括耦合到第一光发射机和第二光发射机并且能够产生复用光信号的光复用器,被配置为至少确定第一光发射机是否满足一个或多个预定条件的检测组件,以及 可调谐光发射机,能够发送第三光信号。 第三光信号对应于第三波长。

    METHOD, SYSTEM AND APPARATUS FOR DETECTING FAILURE OF AN OPTICAL NETWORK TERMINAL OF A PASSIVE OPTICAL NETWORK
    13.
    发明申请
    METHOD, SYSTEM AND APPARATUS FOR DETECTING FAILURE OF AN OPTICAL NETWORK TERMINAL OF A PASSIVE OPTICAL NETWORK 有权
    用于检测被动光网络的光网络终端故障的方法,系统和装置

    公开(公告)号:US20080019690A1

    公开(公告)日:2008-01-24

    申请号:US11779148

    申请日:2007-07-17

    IPC分类号: H04B10/08

    摘要: A method for detecting a failure network terminal in a Passive Optical Network includes: changing timeslots assigned to potential failure network terminals one by one; and determining the failure network terminal according to uplink data frames sent by the potential failure network terminals whose timeslots are changed. Embodiments of the present invention also disclose an apparatus and system for detecting a failure network terminal. The solution of the present invention may detect which Optical Network Unit/Terminal (ONU/ONT) fails and perform the corresponding processing in accordance with embodiments of the present invention, which recovers the system health and improves the network security, stability and self-healing ability.

    摘要翻译: 一种用于检测被动光网络中的故障网络终端的方法,包括:逐个更改分配给潜在故障网络终端的时隙; 以及根据其时隙变化的潜在故障网络终端发送的上行链路数据帧来确定故障网络终端。 本发明的实施例还公开了一种用于检测故障网络终端的装置和系统。 本发明的解决方案可以检测哪个光网络单元/终端(ONU / ONT)失败并且执行根据本发明的实施例的相应处理,其恢复系统健康状况并且提高网络安全性,稳定性和自愈性 能力。

    Device and method for detecting received optical power in optical communication network
    14.
    发明申请
    Device and method for detecting received optical power in optical communication network 审中-公开
    光通信网络接收光功率检测装置及方法

    公开(公告)号:US20070183793A1

    公开(公告)日:2007-08-09

    申请号:US11595841

    申请日:2006-11-09

    IPC分类号: H04B10/06

    CPC分类号: H04B10/66

    摘要: A device and a method for detecting received optical power in an optical communication network, the device mainly including: an optical splitter for separating a part from an uplink optical signal received by an optical receiver in the optical communication network and transferring the part of optical signal to a photoelectric converter; the photoelectric converter for converting the received optical signal transferred from the optical splitter into a current or voltage signal and transferring the current or voltage signal to a logic control circuit; and the logic control circuit for judging the received current or voltage signal transferred from the photoelectric converter according to a set threshold to determine whether the received optical power of the optical receiver in the optical communication network overloads, and for outputting a corresponding control signal.

    摘要翻译: 一种用于检测光通信网络中的接收光功率的装置和方法,所述装置主要包括:光分路器,用于从光通信网络中的光接收机接收的上行光信号中分离一部分,并传输该部分光信号 光电转换器; 用于将从光分路器传送的接收光信号转换成电流或电压信号并将电流或电压信号传送到逻辑控制电路的光电转换器; 以及逻辑控制电路,用于根据设定的阈值判断从光电转换器传送的接收电流或电压信号,以确定光通信网络中光接收机的接收光功率是否过载,并输出相应的控制信号。

    Passive optical network with adaptive filters for upstream transmission management
    18.
    发明授权
    Passive optical network with adaptive filters for upstream transmission management 有权
    具有自适应滤波器的无源光网络用于上行传输管理

    公开(公告)号:US08995836B2

    公开(公告)日:2015-03-31

    申请号:US13179942

    申请日:2011-07-11

    IPC分类号: H04J14/00 H04B10/06 H04J14/02

    CPC分类号: H04J14/0282

    摘要: A wavelength division multiplexing passive optical network (WPON) comprising an optical line terminal (OLT) and a plurality of optical network units (ONUs) coupled to the OLT via a power optical splitter. The OLT is configured to monitor wavelengths in use by the ONUs and to divide upstream traffic from the ONUs into multiple channels using tunable filters. Also disclosed is an OLT for a PON, the OLT comprising a plurality of receivers and a plurality of tunable filters corresponding to each of the receivers. The OLT also comprises channel control logic coupled to the tunable filters, wherein the channel control logic is configured to detect a plurality of wavelengths in use for upstream traffic in the PON and to divide the upstream traffic into multiple channels using the tunable filters. Included is a method for managing upstream traffic in a PON, the method comprising monitoring, by a processor, wavelengths in use for upstream traffic in the PON. The method also comprises dividing the upstream traffic into multiple channels using tunable filters.

    摘要翻译: 一种波分复用无源光网络(WPON),包括通过功率分光器耦合到OLT的光线路终端(OLT)和多个光网络单元(ONU)。 OLT配置为监视ONU使用的波长,并使用可调滤波器将上行业务从ONU划分为多个通道。 还公开了一种用于PON的OLT,OLT包括多个接收机和与每个接收机对应的多个可调滤波器。 OLT还包括耦合到可调谐滤波器的信道控制逻辑,其中信道控制逻辑被配置为检测用于PON中的上行业务的多个波长,并且使用可调滤波器将上行业务划分成多个信道。 包括用于管理PON中的上行业务的方法,该方法包括由处理器监视用于PON中的上行业务的波长。 该方法还包括使用可调滤波器将上游业务划分成多个信道。

    System and method for providing failure protection in optical networks
    19.
    发明授权
    System and method for providing failure protection in optical networks 有权
    在光网络中提供故障保护的系统和方法

    公开(公告)号:US07660529B2

    公开(公告)日:2010-02-09

    申请号:US11517815

    申请日:2006-09-08

    IPC分类号: H04B10/08 H04B10/04 H04J14/02

    摘要: A system and method for transmitting an optical signal. The system includes a first optical transmitter capable of transmitting a first optical signal under one or more first operating conditions, and the first optical signal corresponds to a first wavelength. Additionally, the system includes a second optical transmitter capable of transmitting a second optical signal under one or more second operating conditions, and the second optical signal corresponds to a second wavelength. Moreover, the system includes an optical multiplexer coupled to the first optical transmitter and the second optical transmitter and capable of generating a multiplexed optical signal, a detection component configured to determine at least whether the first optical transmitter satisfies one or more predetermined conditions, and a tunable optical transmitter capable of transmitting a third optical signal. The third optical signal corresponds to a third wavelength.

    摘要翻译: 一种用于发送光信号的系统和方法。 该系统包括能够在一个或多个第一操作条件下发送第一光信号的第一光发射机,第一光信号对应于第一波长。 此外,该系统包括能够在一个或多个第二操作条件下发送第二光信号的第二光发射机,第二光信号对应于第二波长。 此外,该系统包括耦合到第一光发射机和第二光发射机并且能够产生复用光信号的光复用器,检测组件被配置为至少确定第一光发射机是否满足一个或多个预定条件,以及 可调谐光发射机,能够发送第三光信号。 第三光信号对应于第三波长。