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1. 发明授权

US07957644B2 Flexible open ring optical network and method 失效
标题翻译：柔性开环光网络及方法
公开(公告)号：US07957644B2
公开(公告)日：2011-06-07
申请号：US11745974
申请日：2007-05-08
申请人： Susumu Kinoshita , Koji Takeguchi , Satoru Odate , Cechan Tian
发明人： Susumu Kinoshita , Koji Takeguchi , Satoru Odate , Cechan Tian
IPC分类号： H04B10/08 , H04B10/20 , H04J14/02
CPC分类号： H04J14/0291 , H04J14/0204 , H04J14/0205 , H04J14/0206 , H04J14/0212 , H04J14/0227 , H04J14/0241 , H04J14/0283
摘要： A flexible open ring optical network includes a plurality of nodes connected by twin or other suitable optical rings. Each node is operable to passively add and passively drop traffic from the rings. The nodes may include a transport element for each ring. The transport elements include an optical splitter element and an optical combiner element. The optical splitter element is operable to passively combine an add signal including local add traffic and a first transport signal including ingress traffic from a coupled optical ring to generate a second transport signal including egress traffic for transmission on the coupled optical ring. The optical combiner element is coupled to the optical splitter element and is operable to passively split a third transport signal including the ingress traffic to generate a drop signal including local drop traffic and a fourth transport signal including the ingress traffic. Protection switching may be provided by selectively openable switches disposed in and distributed around the rings.
摘要翻译：柔性开环光网络包括通过双或其它合适的光环连接的多个节点。每个节点都可以被动地添加和被动地从环中删除流量。节点可以包括用于每个环的传输元件。传输元件包括光分路器元件和光组合器元件。光分路器元件可操作地被动组合包括本地增加业务的添加信号和包括来自耦合光环路的入口业务的第一传输信号，以产生包括用于在耦合的光环上传输的出口业务的第二传输信号。光学组合器元件耦合到光分路器元件，并且可操作以被动地分裂包括入口业务的第三传输信号，以产生包括本地丢弃业务的丢弃信号和包括入口业务的第四传输信号。可以通过设置在环中并分布在环周围的选择性可开启的开关来提供保护切换。

2. 发明申请

US20070206493A1 Flexible Open Ring Optical Network and Method 失效
公开(公告)号：US20070206493A1
公开(公告)日：2007-09-06
申请号：US11745974
申请日：2007-05-08
申请人： Susumu Kinoshita , Koji Takeguchi , Satoru Odate , Cechan Tian
发明人： Susumu Kinoshita , Koji Takeguchi , Satoru Odate , Cechan Tian
IPC分类号： G01R31/08
CPC分类号： H04J14/0291 , H04J14/0204 , H04J14/0205 , H04J14/0206 , H04J14/0212 , H04J14/0227 , H04J14/0241 , H04J14/0283
摘要： A flexible open ring optical network includes a plurality of nodes connected by twin or other suitable optical rings. Each node is operable to passively add and passively drop traffic from the rings. The nodes may include a transport element for each ring. The transport elements include an optical splitter element and an optical combiner element. The optical splitter element is operable to passively combine an add signal including local add traffic and a first transport signal including ingress traffic from a coupled optical ring to generate a second transport signal including egress traffic for transmission on the coupled optical ring. The optical combiner element is coupled to the optical splitter element and is operable to passively split a third transport signal including the ingress traffic to generate a drop signal including local drop traffic and a fourth transport signal including the ingress traffic. Protection switching may be provided by selectively openable switches disposed in and distributed around the rings.

3. 发明授权

US07970278B2 Flexible open ring optical network and method 失效
公开(公告)号：US07970278B2
公开(公告)日：2011-06-28
申请号：US11745946
申请日：2007-05-08
申请人： Susumu Kinoshita , Koji Takeguchi , Satoru Odate , Cechan Tian
发明人： Susumu Kinoshita , Koji Takeguchi , Satoru Odate , Cechan Tian
IPC分类号： H04B10/00 , H04B10/08
CPC分类号： H04J14/0291 , H04J14/0204 , H04J14/0205 , H04J14/0206 , H04J14/0212 , H04J14/0227 , H04J14/0241 , H04J14/0283
摘要： A flexible open ring optical network includes a plurality of nodes connected by twin or other suitable optical rings. Each node is operable to passively add and passively drop traffic from the rings. The nodes may include a transport element for each ring. The transport elements include an optical splitter element and an optical combiner element. The optical splitter element is operable to passively combine an add signal including local add traffic and a first transport signal including ingress traffic from a coupled optical ring to generate a second transport signal including egress traffic for transmission on the coupled optical ring. The optical combiner element is coupled to the optical splitter element and is operable to passively split a third transport signal including the ingress traffic to generate a drop signal including local drop traffic and a fourth transport signal including the ingress traffic. Protection switching may be provided by selectively openable switches disposed in and distributed around the rings.

4. 发明授权

US07076163B2 Method and system for testing during operation of an open ring optical network 失效
标题翻译：开环光网络运行过程中的测试方法和系统
公开(公告)号：US07076163B2
公开(公告)日：2006-07-11
申请号：US10108741
申请日：2002-03-27
申请人： Susumu Kinoshita , Koji Takeguchi , Satoru Odate , Cechan Tian
发明人： Susumu Kinoshita , Koji Takeguchi , Satoru Odate , Cechan Tian
IPC分类号： H04B10/08 , H04B10/20 , H04J14/02
CPC分类号： H04J14/0291 , H04J14/0204 , H04J14/0205 , H04J14/0206 , H04J14/021 , H04J14/0212 , H04J14/0213 , H04J14/0227 , H04J14/0241 , H04J14/0283
摘要： The method and system for testing during operation of an open ring network includes opening a ring of the network at the node. Traffic circulating on the ring is dropped in the node to a monitoring element prior to or at the opening of the ring in the node. At the monitoring element, a signal received from the ring is tested. During tested and while the ring is open, traffic continues to be communicated between each node on at least one of the ring or a second ring each connecting the nodes of the network.
摘要翻译：开放环网运行期间的测试方法和系统包括在节点处打开网络环。环路上流通的通信在节点之前或在该节点的环路开放期间被丢弃到监视单元中。在监控元件处，测试从环接收的信号。在测试期间，并且当环路打开时，流量继续在连接网络节点的环或者第二环中的至少一个上的每个节点之间进行通信。

5. 发明申请

US20070223371A1 Flexible Open Ring Optical Network and Method 失效
标题翻译：灵活开环光网络和方法
公开(公告)号：US20070223371A1
公开(公告)日：2007-09-27
申请号：US11745946
申请日：2007-05-08
申请人： Susumu Kinoshita , Koji Takeguchi , Satoru Odate , Cechan Tian
发明人： Susumu Kinoshita , Koji Takeguchi , Satoru Odate , Cechan Tian
IPC分类号： G06F11/00
CPC分类号： H04J14/0291 , H04J14/0204 , H04J14/0205 , H04J14/0206 , H04J14/0212 , H04J14/0227 , H04J14/0241 , H04J14/0283
摘要： A flexible open ring optical network includes a plurality of nodes connected by twin or other suitable optical rings. Each node is operable to passively add and passively drop traffic from the rings. The nodes may include a transport element for each ring. The transport elements include an optical splitter element and an optical combiner element. The optical splitter element is operable to passively combine an add signal including local add traffic and a first transport signal including ingress traffic from a coupled optical ring to generate a second transport signal including egress traffic for transmission on the coupled optical ring. The optical combiner element is coupled to the optical splitter element and is operable to passively split a third transport signal including the ingress traffic to generate a drop signal including local drop traffic and a fourth transport signal including the ingress traffic. Protection switching may be provided by selectively openable switches disposed in and distributed around the rings.
摘要翻译：柔性开环光网络包括通过双或其它合适的光环连接的多个节点。每个节点都可以被动地添加和被动地从环中删除流量。节点可以包括用于每个环的传输元件。传输元件包括光分路器元件和光组合器元件。光分路器元件可操作地被动组合包括本地增加业务的添加信号和包括来自耦合光环路的入口业务的第一传输信号，以产生包括用于在耦合的光环上传输的出口业务的第二传输信号。光学组合器元件耦合到光分路器元件，并且可操作以被动地分裂包括入口业务的第三传输信号，以产生包括本地丢弃业务的丢弃信号和包括入口业务的第四传输信号。可以通过设置在环中并分布在环周围的选择性可开启的开关来提供保护切换。

6. 发明授权

US07231148B2 Flexible open ring optical network and method 失效
标题翻译：柔性开环光网络及方法
公开(公告)号：US07231148B2
公开(公告)日：2007-06-12
申请号：US10112022
申请日：2002-03-28
申请人： Susumu Kinoshita , Koji Takeguchi , Satoru Odate , Cechan Tian
发明人： Susumu Kinoshita , Koji Takeguchi , Satoru Odate , Cechan Tian
IPC分类号： H04J14/00 , H04J14/02
CPC分类号： H04J14/0291 , H04J14/0204 , H04J14/0205 , H04J14/0206 , H04J14/0212 , H04J14/0227 , H04J14/0241 , H04J14/0283
摘要： A flexible open ring optical network includes a plurality of nodes connected by twin or other suitable optical rings. Each node is operable to passively add and passively drop traffic from the rings. The nodes may include a transport element for each ring. The transport elements include an optical splitter element and an optical combiner element. The optical splitter element is operable to passively combine an add signal including local add traffic and a first transport signal including ingress traffic from a coupled optical ring to generate a second transport signal including egress traffic for transmission on the coupled optical ring. The optical combiner element is coupled to the optical splitter element and is operable to passively split a third transport signal including the ingress traffic to generate a drop signal including local drop traffic and a fourth transport signal including the ingress traffic. Protection switching may be provided by selectively openable switches disposed in and distributed around the rings.
摘要翻译：柔性开环光网络包括通过双或其它合适的光环连接的多个节点。每个节点都可以被动地添加和被动地从环中删除流量。节点可以包括用于每个环的传输元件。传输元件包括光分路器元件和光组合器元件。光分路器元件可操作地被动组合包括本地增加业务的添加信号和包括来自耦合光环路的入口业务的第一传输信号，以产生包括用于在耦合的光环上传输的出口业务的第二传输信号。光学组合器元件耦合到光分路器元件，并且可操作以被动地分裂包括入口业务的第三传输信号，以产生包括本地丢弃业务的丢弃信号和包括入口业务的第四传输信号。可以通过设置在环中并分布在环周围的选择性可开启的开关来提供保护切换。

7. 发明授权

US07116905B2 Method and system for control signaling in an open ring optical network 失效
标题翻译：开环光网络控制信令的方法和系统
公开(公告)号：US07116905B2
公开(公告)日：2006-10-03
申请号：US10108734
申请日：2002-03-27
申请人： Susumu Kinoshita , Koji Takeguchi , Satoru Odate , Cechan Tian
发明人： Susumu Kinoshita , Koji Takeguchi , Satoru Odate , Cechan Tian
IPC分类号： H04B10/20 , H04B10/08 , H04B17/00 , H04J14/00 , H04J14/02
CPC分类号： H04B10/275 , H04B10/035 , H04B10/0771 , H04B10/27 , H04B2210/071 , H04J14/0204 , H04J14/0205 , H04J14/021 , H04J14/0213 , H04J14/0217 , H04J14/0219 , H04J14/0221 , H04J14/0227 , H04J14/0241 , H04J14/0283 , H04J14/0291
摘要： A method and system for control signaling in an open ring optical network includes transmitting traffic in an optical ring. At each of a plurality of nodes along the ring, local traffic is passively added to and passively dropped from the connected ring. At each node, an ingress optical supervisory channel (OSC) signal is dropped from the ring to a managing element. An egress OSC signal is added to the ring from the managing element. The OSC signals may be in-band signal or out-of-band signals.
摘要翻译：开环光网络中用于控制信令的方法和系统包括在光环中传输业务。在环上的多个节点中的每个节点处，本地业务被被动地被添加到被动连接的环被动地被动地丢弃。在每个节点处，入口光监控信道（OSC）信号从环被丢弃到管理元件。出口OSC信号从管理元件添加到环中。 OSC信号可以是带内信号或带外信号。

8. 发明授权

US07120360B2 System and method for protecting traffic in a hubbed optical ring network 有权
标题翻译：用于保护集线器光环网络中的业务的系统和方法
公开(公告)号：US07120360B2
公开(公告)日：2006-10-10
申请号：US11031639
申请日：2005-01-06
申请人： Cechan Tian , Susumu Kinoshita
发明人： Cechan Tian , Susumu Kinoshita
IPC分类号： H04B10/00
CPC分类号： H04J14/0291 , H04J14/0283
摘要： An optical access network includes a first ring and a second ring communicating optical signals in opposite directions. The network also includes an access node coupled to both rings that adds traffic in a first wavelength of a first optical signal communicated on the first ring. Furthermore, the network includes a hub node coupled to each ring and coupled to an optical core network. The hub node receives the first optical signal, forwards a first copy of the signal to a first wavelength blocking unit that terminates the traffic in the first wavelength, and forwards a second copy of the signal to a first network interconnection element that forwards the traffic in the first wavelength to the core network. Furthermore, upon detection of an interruption of the traffic in the first wavelength on the first ring, the access node adds the traffic in a second wavelength of a second optical signal communicated on the second ring. In addition, the hub node receives the second optical signal, forwards a first copy of the signal to a second wavelength blocking unit that terminates the traffic in the second wavelength, and forwards a second copy of the signal to a second network interconnection element that forwards the traffic in the second wavelength to the core network.
摘要翻译：光接入网络包括在相反方向上传送光信号的第一环和第二环。网络还包括耦合到两个环的接入节点，其增加在第一环上传送的第一光信号的第一波长的业务。此外，网络包括耦合到每个环并耦合到光核心网络的集线器节点。集线器节点接收第一光信号，将信号的第一拷贝转发到终止第一波长的业务的第一波长阻塞单元，并将该信号的第二副本转发给转发业务的第一网络互连元件第一波长到核心网。此外，在检测到第一环上的第一波长的业务中断时，接入节点将业务加到在第二环上传送的第二光信号的第二波长。此外，集线器节点接收第二光信号，将信号的第一拷贝转发到终止第二波长的业务的第二波长阻塞单元，并将信号的第二副本转发到转发的第二网络互连元件流量在第二波长到核心网。

9. 发明申请

US20060133803A1 Method and system for shared optical protection 审中-公开
标题翻译：共享光学保护方法与系统
公开(公告)号：US20060133803A1
公开(公告)日：2006-06-22
申请号：US11015222
申请日：2004-12-17
申请人： Cechan Tian , Susumu Kinoshita
发明人： Cechan Tian , Susumu Kinoshita
IPC分类号： H04B10/00
CPC分类号： H04J14/0295 , H04B10/032 , H04J14/0227 , H04J14/0241 , H04J14/0283
摘要： An optical network includes an optical ring capable of transmitting traffic in one of a plurality of wavelengths of an optical signal between a plurality of nodes. The nodes transmit a plurality of working traffic streams in a plurality of working wavelengths. In response to an interruption in a first working traffic stream, a node transmits, in a protection wavelength, a first protection traffic stream that is associated with the first working traffic stream. Furthermore, in response to an interruption in a second working traffic stream, a node transmits, in the protection wavelength, a second protection traffic stream that is associated with the second working traffic stream, such that the first protection traffic stream and the second protection traffic stream share, at different times, the protection wavelength.
摘要翻译：光网络包括能够以多个节点之间的光信号的多个波长中的一个波长发送业务的光环。节点以多个工作波长发送多个工作业务流。响应于第一工作业务流中的中断，节点以保护波长发送与第一工作业务流相关联的第一保护业务流。此外，响应于第二工作业务流中断，节点以保护波长发送与第二工作业务流相关联的第二保护业务流，使得第一保护业务流和第二保护业务流分享，在不同的时间，保护波长。

10. 发明授权

US07027210B2 Method and system for determining gain for an optical signal 有权
公开(公告)号：US07027210B2
公开(公告)日：2006-04-11
申请号：US10448579
申请日：2003-05-29
申请人： Cechan Tian , Susumu Kinoshita
发明人： Cechan Tian , Susumu Kinoshita
IPC分类号： H01S3/00 , H04B10/00
CPC分类号： H04B10/0731 , H04J14/0221
摘要： A method for determining gain for an optical signal includes measuring a first power level that is an output power level of an optical signal at a first optical node, communicating the optical signal to a second optical node, and communicating the first power level to the second optical node in an optical supervisory channel of the optical signal. The method further includes receiving the optical signal at the second optical node, measuring a second power level of the optical signal at the second optical node, and determining a gain for the optical signal based on the first and second power levels.

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