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    • 1. 发明申请
    • A HYBRID PASSIVE OPTICAL NETWORK USING SHARED WAVELENGTHS
    • 使用共享波长的混合被动光网络
    • WO2007047559A1
    • 2007-04-26
    • PCT/US2006/040318
    • 2006-10-16
    • FUJITSU LIMITEDBOUDA MartinNAITO, Takao
    • BOUDA MartinNAITO, Takao
    • H04J14/02
    • H04B10/272H04J14/0226H04J14/0227H04J14/0232H04J14/0246H04J14/0247H04J14/025H04J14/0252H04J14/0282
    • In accordance with the teachings of the present invention, a hybrid passive optical network using shared wavelengths is provided. In a particular embodiment, a system for communicating optical signals over a network includes an upstream terminal. The upstream terminal includes a signal source operable to transmit a downstream signal comprising at least traffic in a first wavelength and traffic in a second wavelength. The upstream terminal is operable to receive upstream traffic in a third wavelength, wherein the third wavelength is shared by a first plurality of downstream terminals and a second plurality of downstream terminals. The system also includes a distribution node comprising a wavelength router. The wavelength router is operable to receive the downstream signal, route the traffic in the first wavelength to the first plurality of downstream terminals, and route the traffic in the second wavelength to the second plurality of downstream terminals.
    • 根据本发明的教导,提供了使用共享波长的混合无源光网络。 在特定实施例中,用于通过网络传送光信号的系统包括上游终端。 上游终端包括信号源,该信号源可操作以发送包括至少第一波长的业务和第二波长的业务的下行信号。 上游终端可操作以接收第三波长的上行业务,其中第三波长由第一多个下游终端和第二多个下游终端共享。 该系统还包括包括波长路由器的分发节点。 波长路由器可操作以接收下行信号,将第一波长的流量路由到第一多个下游终端,并将第二波长的业务路由到第二多个下游终端。
    • 4. 发明申请
    • DISTRIBUTION COMPONENTS FOR A WAVELENGTH-SHARING NETWORK
    • 分布式分布网络的分布组件
    • WO2007047704A1
    • 2007-04-26
    • PCT/US2006/040605
    • 2006-10-17
    • FUJITSU LIMITEDBOUDA, MartinNAITO, Takao
    • BOUDA, MartinNAITO, Takao
    • H04J14/02
    • H04J14/0282H04B10/272H04J14/0226H04J14/0227H04J14/0232H04J14/0246H04J14/0247H04J14/0252
    • In accordance with the teachings of the present invention, distribution components for a wavelength-sharing network are provided. In a particular embodiment, a distribution node for an optical network includes a first distributor operable to receive a first downstream signal comprising at least traffic in a first wavelength and traffic in a second wavelength from an upstream terminal, route the traffic in the first wavelength to a first plurality of downstream terminals, and route the traffic in the second wavelength to a second plurality of downstream terminals. A second distributor is operable to receive a second downstream signal comprising at least traffic in a third wavelength, and forward the traffic in the third wavelength to at least the first plurality of downstream terminals. A first combining element is operable to receive the traffic in the first wavelength from the first distributor, receive the traffic in the third wavelength from the second distributor, and forward the traffic in the first wavelength and the traffic in the third wavelength to the first plurality of downstream terminals. A second combining element operable to receive at least the traffic in the second wavelength from the first distributor and forward the traffic in the second wavelength to the second plurality of downstream terminals.
    • 根据本发明的教导,提供了用于波长共享网络的分发组件。 在特定实施例中,用于光网络的分发节点包括第一分发器,其可操作以接收第一下行信号,所述第一下行信号至少包括来自上游终端的第一波长的业务和第二波长的业务,将所述第一波长的业务路由到 第一多个下游终端,并将第二波长的业务路由到第二多个下游终端。 第二分配器可操作以接收包括至少第三波长的业务的第二下行信号,并将第三波长中的业务转发到至少第一多个下游终端。 第一组合元件可操作以从第一分配器接收具有第一波长的业务,从第二分配器接收第三波长的业务,并将第一波长中的业务和第三波长的业务转发到第一多个 的下游终端。 第二组合元件,其可操作以从所述第一分配器接收至少所述第二波长的业务,并将所述第二波长的业务转发到所述第二多个下游终端。
    • 6. 发明申请
    • SYSTEM AND METHOD FOR TRAFFIC DISTRIBUTION IN AN OPTICAL NETWORK
    • 光网络中的交通分配系统与方法
    • WO2007081423A1
    • 2007-07-19
    • PCT/US2006/042220
    • 2006-10-30
    • FUJITSU LIMITEDBOUDA, MartinAKASAKA, YoichiNAITO, Takao
    • BOUDA, MartinAKASAKA, YoichiNAITO, Takao
    • H04J14/02
    • H04J14/0226H04J14/0227H04J14/0232H04J14/0246H04J14/0247H04J14/025H04J14/0252H04J14/0282H04Q11/0005H04Q11/0067
    • In accordance with the teachings of the present invention, a system and method for traffic distribution in an optical network is provided. In a particular embodiment; a traffic distribution module in a passive optical network (PON), includes a filter configured to receive downstream traffic in a first set of one or more wavelengths and a second set of one or more wavelengths from an optical line terminal (OLT), direct the traffic in the first set of wavelengths to a primary power splitter, and direct the traffic in the second set of wavelengths to a first connector. The traffic distribution module also includes a primary power splitter and a plurality of secondary power splitters. The primary power splitter is configured to receive the traffic in the first set of wavelengths and distribute the traffic in the first set to the plurality of secondary power splitters coupled to the primary power splitter such that optical network units (ONUs) in the PON receive the traffic in the first set of wavelengths. The traffic distribution module also includes a first connector configured to couple to a first module connector of a pluggable module and to forward the traffic in the second set of wavelengths to the pluggable module via the first module connector. The traffic distribution module also includes a plurality of second connectors configured to couple to a plurality of second module connectors of the pluggable module, receive the traffic in the second set of wavelengths from the pluggable module via the associated second module connectors, and forward the traffic in the second set to the plurality of secondary power splitters for distribution to particular ONUs in the PON.
    • 根据本发明的教导,提供了一种用于光网络中的业务分配的系统和方法。 在特定实施例中; 无源光网络(PON)中的业务分配模块包括被配置为从光线路终端(OLT)接收第一组一个或多个波长的第一组和一个或多个波长的第二组的下行业务的过滤器, 将第一组波长的通信量传送到主功率分配器,并将第二组波长中的业务指向第一连接器。 交通分配模块还包括主功率分配器和多个次级功率分配器。 主功率分配器被配置为以第一组波长接收业务,并将第一组中的业务分配到耦合到主功率分配器的多个次功率分配器,使得PON中的光网络单元(ONU)接收 流量在第一组波长。 交通分配模块还包括被配置为耦合到可插拔模块的第一模块连接器并且经由第一模块连接器将第二组波长的业务转发到可插拔模块的第一连接器。 业务分配模块还包括多个第二连接器,其被配置为耦合到可插拔模块的多个第二模块连接器,经由相关联的第二模块连接器从可插拔模块接收第二组波长中的业务,并且转发流量 在第二组中,多个次级功率分配器分配给PON中的特定ONU。