公开(公告)号：US08098990B2

公开(公告)日：2012-01-17

申请号：US11832075

申请日：2007-08-01

申请人： Junqiang Hu ,  Ting Wang ,  Dayou Qian ,  Yuanqiu Luo ,  Yoshihiko Suemura ,  Makoto Shibutani

发明人： Junqiang Hu ,  Ting Wang ,  Dayou Qian ,  Yuanqiu Luo ,  Yoshihiko Suemura ,  Makoto Shibutani

IPC分类号： H04J14/00

CPC分类号： H04W88/085 ,  H04J14/021 ,  H04J14/0246 ,  H04J14/025 ,  H04J14/0282 ,  H04J14/0298 ,  H04Q11/0067 ,  H04Q2011/0086

摘要： A network system and method include a wireless base station integrated at a central office of a service provider. The wireless base station is configured to provide portable and fixed services to customers. A passive optical network is coupled to the wireless base station at the central office to provide a link to extend an antenna for wireless operations of the wireless base station to a remote site such that a wireless signal from the wireless base station is transmitted in parallel with a passive fiber network signal through the link.

摘要翻译： 网络系统和方法包括集成在服务提供商的中心局的无线基站。 无线基站被配置为向客户提供便携和固定的服务。 无源光网络耦合到中心局的无线基站，以提供链路，以将无线基站的无线操作的天线扩展到远程站点，使得来自无线基站的无线信号与 无源光纤网络信号通过链路。

公开(公告)号：US20080063397A1

公开(公告)日：2008-03-13

申请号：US11832075

申请日：2007-08-01

申请人： JUNQIANG Hu ,  Ting Wang ,  Dayou Qian ,  Yuanqiu Luo ,  Yoshihiko Suemura ,  Makoto Shibutani

发明人： JUNQIANG Hu ,  Ting Wang ,  Dayou Qian ,  Yuanqiu Luo ,  Yoshihiko Suemura ,  Makoto Shibutani

IPC分类号： H04J14/00

CPC分类号： H04W88/085 ,  H04J14/021 ,  H04J14/0246 ,  H04J14/025 ,  H04J14/0282 ,  H04J14/0298 ,  H04Q11/0067 ,  H04Q2011/0086

摘要： A network system and method include a wireless base station integrated at a central office of a service provider. The wireless base station is configured to provide portable and fixed services to customers. A passive optical network is coupled to the wireless base station at the central office to provide a link to extend an antenna for wireless operations of the wireless base station to a remote site such that a wireless signal from the wireless base station is transmitted in parallel with a passive fiber network signal through the link.

摘要翻译： 网络系统和方法包括集成在服务提供商的中心局的无线基站。 无线基站被配置为向客户提供便携和固定的服务。 无源光网络耦合到中心局的无线基站，以提供链路，以将无线基站的无线操作的天线扩展到远程站点，使得来自无线基站的无线信号与 无源光纤网络信号通过链路。

公开(公告)号：US07706284B2

公开(公告)日：2010-04-27

申请号：US11578418

申请日：2005-04-14

申请人： Yoshihiko Suemura

发明人： Yoshihiko Suemura

IPC分类号： H04L12/26

CPC分类号： H04L45/00 ,  H04L45/28

摘要： A method of setting shared risk link group identification information (SRLG ID) which is one of link properties employed for calculating a route for a path in a communications network including nodes and links for interconnecting the nodes, and indicates a link group which shares resources, comprises the step of assigning a number of SRLG IDs to the link group in accordance with a failure rate of resources shared by that link group. A route calculating method for calculating routes for a working path and a standby path comprises the step of calculating the routes such that a minimum number of SRLG IDs duplicate between all links on the route of the working path and all links on the route of the standby path.

摘要翻译： 一种设置共享风险链路组识别信息（SRLG ID）的方法，该共享风险链路组识别信息是用于计算包括用于互连节点的节点和链路的通信网络中的路径的路由的链路属性之一，并且指示共享资源的链路组， 包括根据该链路组共享的资源的故障率向链路组分配多个SRLG ID的步骤。 用于计算工作路径和备用路径的路由的路由计算方法包括以下步骤：计算路由，使得最小数量的SRLG ID在工作路径的路由上的所有链路与备用路由上的所有链路之间重复 路径。

公开(公告)号：US07684417B2

公开(公告)日：2010-03-23

申请号：US10590355

申请日：2005-02-25

申请人： Tetsuo Imai ,  Soichiro Araki ,  Yoshihiko Suemura ,  Norihito Fujita ,  Tomoyoshi Sugawara

发明人： Tetsuo Imai ,  Soichiro Araki ,  Yoshihiko Suemura ,  Norihito Fujita ,  Tomoyoshi Sugawara

IPC分类号： H04L12/28

CPC分类号： G06F11/2025 ,  G06F11/203 ,  G06F11/2048 ,  H04L41/22 ,  H04L43/0811 ,  H04L67/14 ,  H04L69/40

摘要： To eliminate interruption of a service used by a user and reset of communication caused by switching of an operating server such as a process migration or the like. On receiving a session migration start request, server/network cooperation control means 2 issues an operating server-switching control start notification to an operating server switching control means 3 (step S702). On receiving the operating server switching control start notification, the operating server switching control means 3 switches an operating server. Next, on receiving an operating server switching control completion notification, the server/network cooperation control means 2 sends a connection destination target network-switching request to a connection control means 4 (step S707). The connection control means 4 switches the connection destination target network of the user corresponding to a user name whose connection destination target network is to be switched, from a target network including a main server to a switch destination target network including a backup server (step S708).

摘要翻译： 为了消除用户使用的服务的中断和由诸如进程迁移等的操作服务器的切换引起的通信的重置。 在接收会话迁移启动请求时，服务器/网络协作控制装置2向操作服务器切换控制装置3发出操作服务器切换控制开始通知（步骤S702）。 在接收到操作服务器切换控制开始通知时，操作服务器切换控制单元3切换操作服务器。 接下来，在接收到操作服务器切换控制完成通知时，服务器/网络协作控制单元2向连接控制单元4发送连接目的地网络切换请求（步骤S707）。 连接控制装置4将包括主服务器的目标网络的与其连接目的地网络要切换的用户名相对应的用户的连接目的地网络切换到包括备用服务器的交换目的地目标网络（步骤S708 ）。

公开(公告)号：US07248561B2

公开(公告)日：2007-07-24

申请号：US10355169

申请日：2003-01-31

申请人： Osamu Ishibashi ,  Yoshihiko Suemura

发明人： Osamu Ishibashi ,  Yoshihiko Suemura

IPC分类号： H04L1/00

CPC分类号： H04J14/0295 ,  H04J14/0227 ,  H04J14/0228 ,  H04J14/0284 ,  H04J14/0294 ,  H04L1/22 ,  H04Q2011/0081 ,  H04Q2011/0086 ,  H04Q2011/0088

摘要： In a communications network where multiple shared risk link groups are formed by links having a common risk, unreserved bandwidths are defined corresponding to all SRLG's and a maximum bandwidth of each link is set as an initial value of each of the defined unreserved bandwidths when a working path or a protection path of “1+1” or “1:1” recovery type is requested. When a protection path of “shared” recovery type is requested, unreserved bandwidths are defined corresponding to the SRLG's to which the links of its corresponding working path belong and a maximum bandwidth of each link is set as an initial value to each of the defined unreserved bandwidths. The bandwidth of the working or protection path is subtracted from each of the unreserved bandwidths. The request is rejected if a minimum of the subtracted values is smaller than a threshold.

摘要翻译： 在具有共同风险的链路形成多个共享风险链路组的通信网络中，针对所有SRLG定义未保留的带宽，并且每个链路的最大带宽被设置为每个定义的未保留带宽的初始值，当工作 请求路径或“1 + 1”或“1：1”恢复类型的保护路径。 当请求“共享”恢复类型的保护路径时，对应于其对应的工作路径的链路所属的SRLG，并且将每个链路的最大带宽设置为每个定义的未预留的恢复类型的初始值来定义未保留的带宽 带宽。 从每个未保留的带宽中减去工作或保护路径的带宽。 如果减法值的最小值小于阈值，则拒绝该请求。

公开(公告)号：US06445473B1

公开(公告)日：2002-09-03

申请号：US09276671

申请日：1999-03-26

申请人： Yoshihiko Suemura ,  Naoya Henmi

发明人： Yoshihiko Suemura ,  Naoya Henmi

IPC分类号： H04B1000

CPC分类号： H04Q11/0005 ,  H04Q2011/0009 ,  H04Q2011/0011 ,  H04Q2011/0013 ,  H04Q2011/0016 ,  H04Q2011/0058 ,  H04Q2011/0075

摘要： To optimize the number of optical gate switches required by an optical switching apparatus which comprises an optical space switch and wavelength selectors, the following process as a preliminary process of introducing optical signals into the optical space switch, is carried out. In detail, the preliminary process is optically converting the optical signals in relation to the number of input ports of the optical space switch, by optically processing the optical signals. As the results, the number of processed optical signals responding to the input ports and the processed number of wavelengths of each processed optical signal is equal to each other, and thereby, the optimization is achieved.

摘要翻译： 为了优化包括光学空间开关和波长选择器的光学开关装置所需的光栅开关的数量，作为将光信号引入光空间开关的初步处理的以下处理被执行。 详细地说，通过光学处理光信号，初步过程是光学地转换光信号相对于光空间开关的输入端口的数量。 结果，响应于输入端口的处理后的光信号的数量和处理后的光信号的经处理的波长数彼此相等，从而实现优化。

公开(公告)号：US5887039A

公开(公告)日：1999-03-23

申请号：US356555

申请日：1994-12-15

申请人： Yoshihiko Suemura ,  Naoya Henmi ,  Akio Tajima

发明人： Yoshihiko Suemura ,  Naoya Henmi ,  Akio Tajima

IPC分类号： H04J3/00 ,  H04J3/06 ,  H04L7/00 ,  H04L7/04 ,  H04L25/14

CPC分类号： H04L25/14 ,  H04J3/0602

摘要： Parallel digital data are transmitted along with a specific synchronization pattern added thereto. Each synchronization pattern adder adds the synchronization pattern at an equal timing for each channel. Parallel data after the synchronization pattern addition, are converted in parallel-to-serial converters into serial data which are in turn converted in an optical transmitter into optical signal. On the receiving side, the optical signal is converted in an optical receiver into an electric signal, from which the parallel data are restored in serial-to-parallel converters to be inputted to synchronization pattern detectors. The synchronization pattern detectors compare their shift register data and synchronization pattern and hold their synchronization pattern detection signal to be "1" for one time slot if the number of non-accord bits is within one. In the next time slot, a controller recognizes synchronization pattern detection when and only when all the synchronization pattern detection signals are "1". In this way, reliable synchronization pattern detection can be made regardless of the occurrence of any transmission error in the synchronization pattern.

摘要翻译： 平行数字数据与添加到其中的特定同步模式一起发送。 每个同步模式加法器在每个通道的相同定时添加同步模式。 在同步模式添加之后的并行数据被并行转换为串行数据转换为串行数据，这些数据依次在光发射机中转换为光信号。 在接收侧，光信号在光接收机中被转换成电信号，并行数据在并行转换器中被还原，以被输入到同步模式检测器。 同步模式检测器比较它们的移位寄存器数据和同步模式，并且如果非协调位的数目在一个之内，则将它们的同步模式检测信号保持为一个时隙的“1”。 在下一个时隙中，当且当所有同步模式检测信号为“1”时，控制器识别同步模式检测。 以这种方式，可以进行可靠的同步模式检测，而不管同步模式中是否发生任何传输错误。

公开(公告)号：US5687181A

公开(公告)日：1997-11-11

申请号：US412720

申请日：1995-03-29

申请人： Yoshihiko Suemura ,  Naoya Henmi

发明人： Yoshihiko Suemura ,  Naoya Henmi

IPC分类号： H03M7/14 ,  H03M9/00 ,  H03M13/27 ,  H04L1/00 ,  H04L25/14 ,  H04L29/00 ,  H03M13/22

CPC分类号： H04L1/0057 ,  H03M13/27 ,  H04L1/0043 ,  H04L1/0052 ,  H04L1/0071 ,  H04L25/14

摘要： A parallel signal of a k bit width is converted such that every m bits of width is made a byte. It is then coded by a plurality i of encoders into a t byte error correcting code in which a byte length is of m bits and a code length is of 1 bytes. The coded parallel signal is interleaved by an interleaver and is distributed into a plurality 1 of transmitters. Each transmitter converts the parallel signal of an mi bit width into a serial signal and transmits the converted signal. Each receiver converts the received serial signal into a parallel signal of an mi bit width and outputs the signal thus converted. The signals outputted from a plurality i of receivers are deinterleaved by a de-interleaver, and the deinterleaved signals are inputted to a plurality i of decoders. The decoders carry out correction of a t byte error in which one byte is of m bits, and integrates the signals outputted therefrom and outputs a parallel signal of a k bit width. By making use of the byte error correcting code, the interleaver, and the deinterleaver, the parallel data transmission unit provides for the correction of a byte error having a byte length longer than that of the code, and also provides for the reduction in scale of the encoders and decoders. Each of i, k, l, and m is an integer not less than 2.

摘要翻译： 转换k比特宽度的并行信号，使得每m个宽度的比特成为一个字节。 然后将其由编码器的多个i编码为字节长度为m位且码长为1字节的t字节纠错码。 编码并行信号由交织器进行交织，并被分配到多个发送器中。 每个发射机将mi比特宽度的并行信号转换为串行信号，并发送转换的信号。 每个接收机将接收到的串行信号转换成mi比特宽度的并行信号，并输出这样转换的信号。 由多个i个接收机输出的信号由解交织器进行解交织，并且解交织的信号被输入到多个解码器。 解码器执行一个字节为m位的t字节错误的校正，并且对从其输出的信号进行积分并输出k位宽的并行信号。 通过使用字节纠错码，交织器和解交织器，并行数据发送单元提供字节长度比代码长度更长的字节错误的校正，并且还提供了缩小 编码器和解码器。 i，k，l和m中的每一个是不小于2的整数。

公开(公告)号：US07468944B2

公开(公告)日：2008-12-23

申请号：US10347786

申请日：2003-01-22

申请人： Itaru Nishioka ,  Yoshihiko Suemura

发明人： Itaru Nishioka ,  Yoshihiko Suemura

IPC分类号： G01R31/08 ,  G06F15/173

CPC分类号： H04L41/0668 ,  H04J2203/006 ,  H04J2203/0067 ,  H04Q2011/0016 ,  H04Q2011/0024 ,  H04Q2011/0039

摘要： This invention provides an optical path fault recovery method by which an end point node of an active path having received fault notification issues a resource securing request message transferred hop by hop to a start point node along the standby path. In the case where resources of the standby path are secured, when the resources are used by the extra traffic, the nodes on the standby path and the start point node that have received the message release the extra traffic and then secure the resources. When the resource securing request message reaches the start point node, the start point node issues a switch changeover request message, and the end point node, the start point node, and the nodes on the standby path set switches according to the secured resources.

摘要翻译： 本发明提供一种光路故障恢复方法，通过该光路故障恢复方法，已经接收到故障通知的活动路径的端点节点向资源保护请求消息逐跳传送到沿备用路径的起点节点。 在保证备用路径的资源的情况下，当资源被额外业务使用时，备用路径上的节点和接收到该消息的起点节点释放额外业务，然后保护资源。 当资源保护请求消息到达起点节点时，起点节点发出切换切换请求消息，并且备用路径集上的终点节点，起点节点和节点根据安全资源进行切换。

公开(公告)号：US07411964B2

公开(公告)日：2008-08-12

申请号：US10093516

申请日：2002-03-11

申请人： Yoshihiko Suemura

发明人： Yoshihiko Suemura

IPC分类号： H04L12/28 ,  H04L12/56 ,  G06F15/173

CPC分类号： H04L45/24 ,  H04L41/12 ,  H04L45/00 ,  H04L45/22 ,  H04L45/28

摘要： To prevent load of route calculation from being centralized in part of units. A node calculates routes of a primary path and an alternate path and sends them to a management center. The management center checks whether SRLGs of the two routes overlap, and instructs the node to perform calculation again if the routes overlap. The management center searches for an alternate path having a route overlapping the route of the above described alternate path. When an overlapping alternate path exists, and SRLGs of a primary path corresponding to the alternate path and the above described primary path do not overlap, a link is shared in an overlapping portion of the routes of the two alternate paths.

摘要翻译： 为了防止路由计算的负载集中在部分单元中。 节点计算主路径和备用路径的路由，并将其发送到管理中心。 管理中心检查两条路由的SRLG是否重叠，如果路由重叠，则指示节点再次进行计算。 管理中心搜索具有与上述备选路径的路由重叠的路由的备用路径。 当存在重叠的备用路径时，对应于备用路径和上述主路径的主路径的SRLG不重叠，则在两条备用路径的路由的重叠部分中共享链路。