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41.发明申请公开(公告)号：US20130054834A1
公开(公告)日：2013-02-28
申请号：US13490853
申请日：2012-06-07
IPC分类号： G06F15/173
CPC分类号： H04L12/6418 , H04L45/02 , H04L45/12
摘要： The first route searching unit searches among multiple routes from a start node toward a goal node for a first route by using topology information. The topology information changing unit changes the topology information by excluding the first route from the multiple routes and setting, to configuration links constituting the first route, additional links whose direction is opposite to that of the configuration links. The port information changing unit changes port information such that communication in a direction from the goal node toward the start node is permitted in the configuration links and the additional links. The second route searching unit searches for a second route by using the changed topology information and the changed port information. The redundant route searching unit searches for a pair of redundant routes by eliminating the configuration links that overlap on the first route and the second route.
摘要翻译： 第一路由搜索单元通过使用拓扑信息从起始节点到用于第一路由的目标节点的多个路由中进行搜索。 拓扑信息改变单元通过从多个路由排除第一路由来改变拓扑信息，并将构成第一路由的配置链路设置为与配置链路的方向相反的附加链路。 端口信息改变单元改变端口信息，使得在配置链路和附加链路中允许从目标节点向起始节点的方向的通信。 第二路由搜索单元通过使用改变的拓扑信息和改变的端口信息来搜索第二路由。 冗余路由搜索单元通过消除在第一路由和第二路由上重叠的配置链路来搜索一对冗余路由。
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公开(公告)号：US08315161B2
公开(公告)日：2012-11-20
申请号：US12834509
申请日：2010-07-12
CPC分类号： H04Q11/0062 , H04L41/145 , H04Q2011/0086
摘要： A network design device includes a bypass number setting unit setting the number of bypass node; a loss calculating unit calculating a reference loss; a graph generating unit generating a graph having a variation value obtained based on a difference between a transmission loss of a link coupling nodes to each other and the reference loss; a path detecting unit detecting a minimum-variation-path in which sum of each variation value from a start point to an end point of the graph is minimum; and a comparing unit comparing a calculation OSNR and a reference OSNR, the calculation OSNR being obtained by a calculation from a start point to an end point assuming that an optical amplifier is located on a node other than a bypass node on the minimum-variation-path, wherein the bypass number setting unit changes the number of bypass node based on a result of the comparing unit.
摘要翻译： 网络设计装置包括设置旁路节点数的旁路号码设定部， 损失计算单元，计算参考损耗; 产生具有基于链路耦合节点的传输损耗彼此之间的差异以及基准损耗而获得的变化值的图形的图形生成单元; 路径检测单元，其检测其中从图形的开始点到终点的每个变化值的和最小的最小变化路径; 以及比较单元，比较计算OSNR和参考OSNR，所述计算OSNR是通过从起始点到终点的计算获得的，假设光放大器位于除最小变化量之外的旁路节点上的节点上， 路径，其中旁路号码设定单元基于比较单元的结果来改变旁路节点的数量。
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43.发明授权公开(公告)号：US08190031B2
公开(公告)日：2012-05-29
申请号：US12620812
申请日：2009-11-18
IPC分类号： H04B10/00
CPC分类号： H04B10/2513
摘要： In an optical network design apparatus, a constraint setter sets a first constraint that one of alternative values given beforehand is selected as the dispersion compensation amount of each node, sets a first margin value that assumes a nonnegative value, sets a second constraint that the first margin value is equal to or greater than the difference between the residual dispersion and the lower bound of an allowable range, sets a second margin value that assumes a nonnegative value, and sets a third constraint that the second margin value is equal to or greater than the difference between the upper bound of the allowable range and the residual dispersion. A calculation controller generates an objective function including the first, second and third constraints and including a summation of the first and second margin values for all paths, and derives a solution that minimizes the objective function.
摘要翻译： 在光网络设计装置中，约束设定器设定将预先给出的备选值中的一个选择为每个节点的色散补偿量的第一约束，设置假定为非负值的第一边距值，设定第二约束， 余量值等于或大于允许范围的残差色散和下限之间的差值，设置假设为非负值的第二余量值，并设定第二限制值等于或大于 允许范围的上限与剩余色散之间的差异。 计算控制器产生包括第一，第二和第三约束的目标函数，并且包括对于所有路径的第一和第二边界值的求和，并导出最小化目标函数的解。
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44.发明授权公开(公告)号：US08078701B2
公开(公告)日：2011-12-13
申请号：US12235166
申请日：2008-09-22
IPC分类号： G06F15/177 , G06F15/173 , H04B10/08 , G01R31/08
CPC分类号： H04J14/0227 , H04J14/0246 , H04J14/025 , H04J14/0284 , H04L41/145 , H04Q11/0062 , H04Q2011/0086 , H04Q2213/1301
摘要： A network design apparatus designs arrangement of various types of optical transmission devices in stations within a linear section in a network. An acquisition unit acquires information concerning the type of optical transmission device to be provided in the stations, and information concerning cost and transmission degradation for the optical transmission devices. The designing unit designs, based on the information acquired by the acquisition unit, an arrangement for which transmission degradation between stations respectively including an optical transmission device applicable as an optical regenerative repeater, is less than or equal to a threshold, and also has the least cost. An output unit outputs information concerning the arrangement designed by the design unit.
摘要翻译： 网络设计装置在网络中的线性部分内的站内设计各种类型的光传输设备的布置。 获取单元获取关于要在站中提供的光传输设备的类型的信息，以及关于光传输设备的成本和传输劣化的信息。 设计单元基于由采集单元获取的信息，设计分别包括可用作光学再生中继器的光传输设备的站之间的传输劣化小于或等于阈值的布置，并且还具有最小 成本。 输出单元输出关于由设计单元设计的布置的信息。
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公开(公告)号：US20110229134A1
公开(公告)日：2011-09-22
申请号：US13049058
申请日：2011-03-16
IPC分类号： H04J14/00
CPC分类号： H04L45/38 , H04J14/0212 , H04J14/0227 , H04J14/0267 , H04J14/0269 , H04J14/0271 , H04J14/0284
摘要： An optical network designing device that designs a path of an optical network that includes an asymmetric optical hub site, comprising: a path calculating unit that calculates a requested traffic path without a limit to a number of connections of the asymmetric optical hub site; a violation determining unit that determines whether a limit to the number of connections is violated in the asymmetric optical hub site through which the traffic path calculated by the path calculating unit passes; a removal selecting unit that selects a removal connection to be removed from the determined asymmetric optical hub site when the violation determining unit determines that the limit to the number of connections is violated; and a path recalculating unit that recalculates a traffic path that passes through the asymmetric optical hub site from which the removal connection selected by the removal selecting unit has been removed.
摘要翻译： 一种光网络设计设备，其设计包括非对称光学集线器站点的光网络的路径，包括：路径计算单元，其计算所请求的业务路径而不限制所述非对称光学集线器站点的连接数量; 违反判定单元，其判定在所述路径计算部计算出的所述交通路径通过的所述非对称光中心站点是否违反所述连接数量的限制; 去除选择单元，当所述违规判定单元确定违反所述连接数量的限制时，从所确定的非对称光学集线器站点中选择要移除的删除连接; 以及路径重新计算单元，其重新计算穿过由去除选择单元选择的去除连接已经被去除的非对称光学集线器位置的交通路径。
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公开(公告)号：US20110008044A1
公开(公告)日：2011-01-13
申请号：US12801899
申请日：2010-06-30
CPC分类号： H04Q11/0062 , H04Q2011/0086
摘要： An apparatus for designing an optical network having nodes, includes: a parameter holding unit which holds values of one or more optical-transmission parameters corresponding to one or more components constituting the optical network; a part generation unit which generates design candidates for a part to be arranged in each of one or more spans between the nodes so that each of the design candidates contains at least one of the one or more components; a part selection unit which makes a selection, for each of the one or more spans, of one of the design candidates which has at least one value of at least one of the one or more optical-transmission parameters satisfying a design condition; and a construction control unit which constructs the optical network by combining one or more parts each of which is selected by the part selection unit.
摘要翻译： 一种用于设计具有节点的光网络的装置，包括：参数保持单元，其保持对应于构成光网络的一个或多个组件的一个或多个光传输参数的值; 一部分生成单元，其生成要布置在节点之间的一个或多个跨度中的每一个中的部分的设计候选，使得每个设计候选包含所述一个或多个组件中的至少一个; 对于所述一个或多个跨度中的每一个选择具有满足设计条件的所述一个或多个光学传输参数中的至少一个值的所述设计候选中的一个的部件选择单元; 以及构造控制单元，其通过组合由部件选择单元选择的一个或多个部件来构造光网络。
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公开(公告)号：US20100166421A1
公开(公告)日：2010-07-01
申请号：US12618913
申请日：2009-11-16
IPC分类号： H04B10/08
CPC分类号： H04B10/0793 , H04J14/0221 , H04J14/0257 , H04J14/0271 , H04J14/0278 , H04L41/145 , H04L43/0829 , H04L43/0847 , H04L43/16 , H04Q11/0062 , H04Q2011/0073 , H04Q2011/0086
摘要： In a network design apparatus, a full channel evaluator determines whether all wavelength channels for main signals can deliver the main signals of an existing optical network. When it is found that one or more wavelength channels cannot deliver main signals, a chromatic dispersion evaluator determines whether there are a specified number of wavelength channels that satisfy a specified chromatic dispersion condition. An optical signal-to-noise ratio (SNR) evaluator extracts a specified number of wavelength channels out of those satisfying the chromatic dispersion condition in descending order of optical SNRs thereof, and determines whether the extracted wavelength channels satisfy a specified optical SNR condition.
摘要翻译： 在网络设计装置中，全信道评估器确定主信号的所有波长信道是否可以传送现有光网络的主信号。 当发现一个或多个波长信道不能传送主信号时，色散估计器确定是否存在满足特定色散条件的指定数量的波长信道。 光信噪比（SNR）评估器以其光学SNR的降序从满足色散条件的那些提取指定数量的波长信道，并且确定提取的波长信道是否满足指定的光学SNR条件。
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