公开(公告)号：US20070092249A1

公开(公告)日：2007-04-26

申请号：US11426884

申请日：2006-06-27

申请人： Yoichi Akasaka ,  Martin Bouda ,  Takao Naito

发明人： Yoichi Akasaka ,  Martin Bouda ,  Takao Naito

IPC分类号： H04J14/00

CPC分类号： H04J14/0226 ,  H04J14/0227 ,  H04J14/0232 ,  H04J14/0246 ,  H04J14/0247 ,  H04J14/025 ,  H04J14/0252 ,  H04J14/0282 ,  H04Q11/0005 ,  H04Q11/0067

摘要： 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.

摘要翻译： 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滤波器，其被配置为从光线路终端接收一个或多个波长的第一组中的一个或多个波长的第二组， OLT），将第一组波长中的业务指向主功率分配器，并将第二组波长中的业务定向到第一连接器。 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。

公开(公告)号：US07684706B2

公开(公告)日：2010-03-23

申请号：US11426884

申请日：2006-06-27

申请人： Yoichi Akasaka ,  Martin Bouda ,  Takao Naito

发明人： Yoichi Akasaka ,  Martin Bouda ,  Takao Naito

IPC分类号： H04J14/00

CPC分类号： H04J14/0226 ,  H04J14/0227 ,  H04J14/0232 ,  H04J14/0246 ,  H04J14/0247 ,  H04J14/025 ,  H04J14/0252 ,  H04J14/0282 ,  H04Q11/0005 ,  H04Q11/0067

摘要： 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.

摘要翻译： 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滤波器，其被配置为从光线路终端接收一个或多个波长的第一组中的一个或多个波长的第二组， OLT），将第一组波长中的业务指向主功率分配器，并将第二组波长中的业务定向到第一连接器。 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。

公开(公告)号：US20070280690A1

公开(公告)日：2007-12-06

申请号：US11680186

申请日：2007-02-28

申请人： Martin Bouda ,  Takao Naito ,  Youichi Akasaka

发明人： Martin Bouda ,  Takao Naito ,  Youichi Akasaka

IPC分类号： H04J14/00

CPC分类号： H04J14/0226 ,  H04J14/0232 ,  H04J14/0246 ,  H04J14/0247 ,  H04J14/0252 ,  H04J14/0282 ,  H04J14/0289 ,  H04J14/0297

摘要： In accordance with the teachings of the present invention, a method for distributing traffic in a distribution node in an optical network includes receiving wavelength division multiplexed (WDM) traffic in a plurality of wavelengths at at least one of a plurality of filters at the distribution node from at least one of the one or more upstream terminals. The optical network includes one or more upstream terminals, the distribution node, and a plurality of downstream terminals. Each of the filters is coupled to one or more of the upstream terminals by a plurality of separate fibers. The method further includes separating traffic in a first set of one or more wavelengths from traffic in a second set of one or more wavelengths at the filter. The method further includes routing the traffic in the first set of wavelengths for distribution to all downstream terminals. The method further includes routing the traffic in each wavelength of the second set of wavelengths for distribution to a particular subset of the downstream terminals.

摘要翻译： 根据本发明的教导，用于在光网络中分配业务的分配方法包括在分布节点处的多个过滤器中的至少一个上接收多个波长的波分复用（WDM）业务 来自所述一个或多个上游端子中的至少一个。 光网络包括一个或多个上游终端，分发节点和多个下游终端。 每个过滤器通过多个单独的纤维耦合到一个或多个上游端子。 该方法还包括在滤波器中以一个或多个波长的第二组中的业务分离第一组一个或多个波长中的业务。 该方法还包括在第一组波长中路由业务以分发给所有下游终端。 该方法还包括在第二组波长的每个波长中路由业务以分发到下游终端的特定子集。

公开(公告)号：US20070166037A1

公开(公告)日：2007-07-19

申请号：US11552696

申请日：2006-10-25

申请人： Paparao Palacharla ,  Martin Bouda ,  Takao Naito

发明人： Paparao Palacharla ,  Martin Bouda ,  Takao Naito

IPC分类号： H04J14/00

CPC分类号： H04J14/0226 ,  H04B10/66 ,  H04J3/0682 ,  H04J14/0227 ,  H04J14/0232 ,  H04J14/0246 ,  H04J14/0247 ,  H04J14/0252 ,  H04J14/0282 ,  H04J14/0289 ,  H04J14/0297 ,  H04J14/0298 ,  H04Q11/0067 ,  H04Q11/0071 ,  H04Q2011/0069

摘要： In accordance with the teachings of the present invention, a system and method for managing network components in a passive optical network (PON) is provided. In a particular embodiment, the method includes transmitting, at a first wavelength, a first configuration message on the PON, wherein the first configuration message comprises a first transmitter interface number. The method also includes transmitting, at a second wavelength and at approximately the same time as the first message, a second configuration message on the PON, wherein the second configuration message comprises a second transmitter interface number. The method further includes receiving a configuration response message from each of one or more optical network units (ONUs) in a first set of ONUs that comprises the first transmitter interface number and receiving a configuration response message from each of one or more ONUs in a second set of ONUs that comprises the second transmitter interface number. The method also includes, based on the configuration response messages from the first set and second set of ONUs, associating, in a database, each ONU in the first set of ONUs with the first wavelength and each ONU in the second set of ONUs with the second wavelength. The method further includes, using the database, transmitting downstream traffic destined for any ONU in the first set of ONUs at the first wavelength and transmitting downstream traffic for any ONU in the second set of ONUs at the second wavelength.

摘要翻译： 根据本发明的教导，提供了一种用于管理无源光网络（PON）中的网络组件的系统和方法。 在特定实施例中，该方法包括在第一波长处发射PON上的第一配置消息，其中第一配置消息包括第一发射机接口号。 该方法还包括在PON的第二波长和与第一消息大致相同的时间发射第二配置消息，其中第二配置消息包括第二发射机接口号。 该方法还包括从包括第一发射机接口号的第一组ONU中的一个或多个光网络单元（ONU）中的每一个接收配置响应消息，并从第二个ONU中的一个或多个ONU中的每一个接收配置响应消息 包括第二发射机接口号的一组ONU。 该方法还包括基于来自第一组ONU和第二组ONU的配置响应消息，在数据库中，将第一组ONU中的每个ONU与第一波长相关联，并将第二组ONU中的每个ONU与 第二波长。 该方法还包括：使用数据库，发送目的地为第一波长的第一组ONU中的任何ONU的下行流量，并发送第二波长的第二组ONU中的任何ONU的下行流量。

公开(公告)号：US07715719B2

公开(公告)日：2010-05-11

申请号：US11627793

申请日：2007-01-26

申请人： Martin Bouda ,  Takao Naito

发明人： Martin Bouda ,  Takao Naito

IPC分类号： H04J14/00

CPC分类号： H04J14/0227 ,  H04J14/0226 ,  H04J14/0232 ,  H04J14/0246 ,  H04J14/0247 ,  H04J14/0252 ,  H04J14/0282

摘要： In accordance with the teachings of the present invention, a system and method for transmitting traffic in a plurality of passive optical networks (PONs) is provided. In a particular embodiment, a method for transmitting traffic in a plurality of passive optical networks (PONs) includes transmitting traffic at a first wavelength and at a second wavelength from an optical line terminal (OLT). The method also includes combining the traffic in the first wavelength and the traffic in the second wavelength and splitting the combined traffic into a plurality of copies. The method further includes forwarding a first copy to a first wavelength router at a first distribution node and forwarding a second copy to a second wavelength router at a second distribution node, wherein the first wavelength router is coupled to a first set of optical network units (ONUs) and the second wavelength router is coupled to a second set of ONUs. The method additionally includes routing the first copy such that only a subset of one or more ONUs in the first set of ONUs receives the traffic in the first wavelength and only a subset of one or more ONUs in the first set of ONUs receives the traffic in the second wavelength. The method also includes routing the second copy such that only a subset of one or more ONUs in the second set of ONUs receives the traffic in the first wavelength and only a subset of one or more ONUs in the second set of ONUs receives the traffic in the second wavelength.

摘要翻译： 根据本发明的教导，提供了一种用于在多个无源光网络（PON）中传输业务的系统和方法。 在特定实施例中，用于在多个无源光网络（PON）中传输业务的方法包括从光线路终端（OLT）以第一波长和第二波长发送业务。 该方法还包括组合第一波长的业务和第二波长的业务，并将组合业务分成多个副本。 该方法还包括将第一拷贝转发到第一分发节点处的第一波长路由器并将第二拷贝转发到第二分发节点处的第二波长路由器，其中第一波长路由器耦合到第一组光网络单元（ ONU），并且第二波长路由器耦合到第二组ONU。 该方法另外包括路由第一副本，使得仅第一组ONU中的一个或多个ONU的子集仅接收第一波长中的业务，并且仅第一组ONU中的一个或多个ONU的子集接收业务量 第二波长。 该方法还包括路由第二副本，使得仅第二组ONU中的一个或多个ONU的子集仅接收第一波长中的业务，并且仅第二组ONU中的一个或多个ONU的子集接收业务量 第二波长。

公开(公告)号：US07546036B2

公开(公告)日：2009-06-09

申请号：US11347434

申请日：2006-02-03

申请人： Martin Bouda ,  Takao Naito

发明人： Martin Bouda ,  Takao Naito

IPC分类号： H04J14/00

CPC分类号： H04B10/272 ,  H04J14/0226 ,  H04J14/0227 ,  H04J14/0232 ,  H04J14/0246 ,  H04J14/0247 ,  H04J14/025 ,  H04J14/0252 ,  H04J14/0282

摘要： 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.

摘要翻译： 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。

公开(公告)号：US20070092251A1

公开(公告)日：2007-04-26

申请号：US11347434

申请日：2006-02-03

申请人： Martin Bouda ,  Takao Naito

发明人： Martin Bouda ,  Takao Naito

IPC分类号： H04J14/00

CPC分类号： H04B10/272 ,  H04J14/0226 ,  H04J14/0227 ,  H04J14/0232 ,  H04J14/0246 ,  H04J14/0247 ,  H04J14/025 ,  H04J14/0252 ,  H04J14/0282

摘要： 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.

摘要翻译： 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。

公开(公告)号：US20070092250A1

公开(公告)日：2007-04-26

申请号：US11347585

申请日：2006-02-03

申请人： Martin Bouda ,  Takao Naito

发明人： Martin Bouda ,  Takao Naito

IPC分类号： H04J14/00

CPC分类号： H04J14/0282 ,  H04B10/272 ,  H04J14/0226 ,  H04J14/0227 ,  H04J14/0232 ,  H04J14/0246 ,  H04J14/0247 ,  H04J14/0252

摘要： 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 termninals. 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.

摘要翻译： 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。

公开(公告)号：US20120082448A1

公开(公告)日：2012-04-05

申请号：US12895332

申请日：2010-09-30

申请人： Martin Bouda ,  Takao Naito

发明人： Martin Bouda ,  Takao Naito

IPC分类号： H04J14/02

CPC分类号： H04J14/0297 ,  H04J14/0221 ,  H04J14/0276 ,  H04J14/0295

摘要： In accordance with an embodiment, a method for sparing channels in a wavelength division multiplexing (WDM) transponder comprises transmitting network traffic, over a plurality of active channels, wherein each active channel is associated with an active transmitter. Determining that one or more active transmitters have failed and switching traffic from the channels associated with the failed transmitters to first spare channels, wherein the first spare channels are associated with a plurality of first spare transmitters included in a first spare WDM module. Switching traffic from the channels associated with the failed transmitters to second spare channels. The second spare channels are associated with a plurality of second spare transmitters included in a second spare WDM module to allow for a plurality of active transmitters to fail before requiring immediate replacement of an active WDM module with at least one failed transmitter.

摘要翻译： 根据实施例，用于在波分复用（WDM）转发器中节省信道的方法包括在多个有效信道中传输网络业务，其中每个活动信道与有源发射机相关联。 确定一个或多个有源发射机已经失效，并且将来自与故障发射机相关联的信道的业务切换到第一备用信道，其中第一备用信道与包括在第一备用WDM模块中的多个第一备用发射机相关联。 将与故障发射机相关的信道的业务切换到第二个备用信道。 第二备用信道与包括在第二备用WDM模块中的多个第二备用发射机相关联，以允许多个有源发射机在要求用至少一个故障发射机立即更换有源WDM模块之前发生故障。

公开(公告)号：US07949256B2

公开(公告)日：2011-05-24

申请号：US11620144

申请日：2007-01-05

申请人： Martin Bouda ,  Takao Naito

发明人： Martin Bouda ,  Takao Naito

IPC分类号： H04J14/00

CPC分类号： H04J14/0226 ,  H04B10/66 ,  H04J3/0682 ,  H04J14/0227 ,  H04J14/0232 ,  H04J14/0246 ,  H04J14/0247 ,  H04J14/0252 ,  H04J14/0282 ,  H04J14/0289 ,  H04J14/0297 ,  H04J14/0298 ,  H04Q11/0067 ,  H04Q11/0071 ,  H04Q2011/0069

摘要： A method is provided for increasing downstream bandwidth in an optical network that includes providing a downstream terminal comprising a digital output path and an analog output path. The method also includes receiving a signal comprising at least one wavelength at the downstream terminal. The method further includes selectively processing the signal at the downstream terminal. The signal is selectively processed at the downstream terminal by processing the signal on the analog output path if the signal comprises analog video data and processing the signal on the digital output path if the signal comprises data to be converted to a digital bit stream.

摘要翻译： 提供了一种用于增加光网络中的下行带宽的方法，其包括提供包括数字输出路径和模拟输出路径的下游终端。 该方法还包括在下游终端接收包括至少一个波长的信号。 该方法还包括在下游终端处选择性地处理该信号。 如果信号包括模拟视频数据并在数字输出路径上处理信号，如果信号包括要转换为数字位流的数据，则通过处理模拟输出路径上的信号，在下游端口选择性地处理该信号。