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1. 发明授权

US08428457B2 Optical passive network system and its operation method 失效
标题翻译：光无源网络系统及其运行方式
公开(公告)号：US08428457B2
公开(公告)日：2013-04-23
申请号：US12767750
申请日：2010-04-26
申请人： Masahiko Mizutani , Yusuke Yajima , Akihiko Tsuchiya
发明人： Masahiko Mizutani , Yusuke Yajima , Akihiko Tsuchiya
IPC分类号： H04J14/00 , H04B10/06 , H04B10/20
CPC分类号： H04Q11/0067 , H04B10/272 , H04J3/0682 , H04J3/1694 , H04J14/0247 , H04J14/0252 , H04Q2011/0079 , H04Q2011/009
摘要： In the configuration of an optical communication system interconnecting a parent station and a plurality of child stations via an optical fiber network equipped with an optical splitter, RE is provided having a measuring unit for measuring a transmission distance or time to a child station, a determining unit for determining a timing when a child station transmits a signal, in accordance with a transmission bandwidth request from the child station, and a signal processing unit for processing a signal received from a child station and transmitting the processed signal to the parent station. When a burst signal is received from each child station at the determined timing, a portion of the header of the burst signal is deleted, and a dummy signal is inserted into the deleted area and a gap area between received burst signals to convert the burst signals into a series of signals to be sent to the parent station.
摘要翻译：在通过配备有分光器的光纤网络将母站和多个子站互连的光通信系统的配置中，提供具有用于测量到子站的传输距离或时间的测量单元的确定单元，用于根据来自子站的传输带宽请求确定子站发送信号的定时;以及信号处理单元，用于处理从子站接收的信号，并将处理的信号发送到母站。当在所确定的定时从每个子站接收到突发信号时，突发信号的头部的一部分被删除，并且将虚拟信号插入到被删除的区域中，以及接收的突发信号之间的间隙区域以转换突发信号成为一系列要发送给母站的信号。

2. 发明申请

US20100272436A1 OPTICAL PASSIVE NETWORK SYSTEM AND ITS OPERATION METHOD 失效
标题翻译：光无源网络系统及其操作方法
公开(公告)号：US20100272436A1
公开(公告)日：2010-10-28
申请号：US12767750
申请日：2010-04-26
申请人： Masahiko Mizutani , Yusuke Yajima , Akihiko Tsuchiya
发明人： Masahiko Mizutani , Yusuke Yajima , Akihiko Tsuchiya
IPC分类号： H04B17/02
CPC分类号： H04Q11/0067 , H04B10/272 , H04J3/0682 , H04J3/1694 , H04J14/0247 , H04J14/0252 , H04Q2011/0079 , H04Q2011/009
摘要： In the configuration of an optical communication system interconnecting a parent station and a plurality of child stations via an optical fiber network equipped with an optical splitter, RE is provided having a measuring unit for measuring a transmission distance or time to a child station, a determining unit for determining a timing when a child station transmits a signal, in accordance with a transmission bandwidth request from the child station, and a signal processing unit for processing a signal received from a child station and transmitting the processed signal to the parent station. When a burst signal is received from each child station at the determined timing, a portion of the header of the burst signal is deleted, and a dummy signal is inserted into the deleted area and a gap area between received burst signals to convert the burst signals into a series of signals to be sent to the parent station.
摘要翻译：在通过配备有分光器的光纤网络将母站和多个子站互连的光通信系统的配置中，提供具有用于测量到子站的传输距离或时间的测量单元的确定单元，用于根据来自子站的传输带宽请求确定子站发送信号的定时;以及信号处理单元，用于处理从子站接收的信号，并将处理的信号发送到母站。当在所确定的定时从每个子站接收到突发信号时，突发信号的头部的一部分被删除，并且将虚拟信号插入到被删除的区域中，以及接收的突发信号之间的间隙区域以转换突发信号成为一系列要发送给母站的信号。

3. 发明申请

US20100067901A1 Passive optical network system and fault determination method 有权
标题翻译：无源光网络系统和故障确定方法
公开(公告)号：US20100067901A1
公开(公告)日：2010-03-18
申请号：US12379634
申请日：2009-02-26
申请人： Masahiko Mizutani , Yusuke Yajima , Yoshihiro Ashi
发明人： Masahiko Mizutani , Yusuke Yajima , Yoshihiro Ashi
IPC分类号： H04B10/08 , H04J14/02
CPC分类号： H04B10/03 , H04B10/07955 , H04B10/272 , H04L25/0298 , H04Q11/0067 , H04Q2011/0081 , H04Q2011/0083
摘要： In a passive optical network system, a parent station includes a reception circuit that receives an optical signal from each of child stations using a threshold used to identify if the optical signal is 0 or 1; a bandwidth setting unit that determines a time at which each child station sends an optical signal; a storage unit that stores thresholds and intensities of optical signals received from the child stations; and a control unit that sets a threshold, stored corresponding to a sending time, in,the reception circuit to control a reception of an optical signal. The control unit has a function that compares an intensity of a signal received from each child station at an optical signal reception time with information stored in the storage unit to detect and determine a fault in the child station or in the optical fiber connected to the child station.
摘要翻译：在无源光网络系统中，母站包括接收电路，其使用用于识别光信号是0或1的阈值从每个子站接收光信号; 带宽设定单元，确定每个子站发送光信号的时间; 存储单元，其存储从所述子站接收的光信号的阈值和强度; 以及控制单元，其将接收电路中相应于发送时间存储的阈值设置为控制光信号的接收。控制单元具有将在光信号接收时刻从每个子站接收的信号的强度与存储在存储单元中的信息进行比较的功能，以检测和确定子站中或连接到该小孩的光纤中的故障站。

4. 发明申请

US20090317082A1 Passive Optical Network System, Optical Network Unit, and Optical Line Terminal 审中-公开
标题翻译：无源光网络系统，光网络单元和光线路终端
公开(公告)号：US20090317082A1
公开(公告)日：2009-12-24
申请号：US12486104
申请日：2009-06-17
申请人： Mitsunobu KIMURA , Yusuke Yajima , Masahiko Mizutani
发明人： Mitsunobu KIMURA , Yusuke Yajima , Masahiko Mizutani
IPC分类号： H04J14/00
CPC分类号： H04J3/1694 , H04N7/17309 , H04Q11/0067 , H04Q2011/0064
摘要： An optical line terminal (OLT), an optical network unit (ONT) and a passive optical network (PON) system are provided. A user of the ONU or a terminal connected with the ONU can accurately recognize the amount of a bandwidth allocated to the ONU without estimating the communication bandwidth. The OLT notifies each ONU of the amount of the bandwidth allocated to the ONU in response to a request transmitted from the ONU to the OLT. Each ONU receives bandwidth information from the OLT and displays thereon the bandwidth information or notifies the terminal connected with the ONU of the bandwidth information.
摘要翻译：提供了一种光线路终端（OLT），光网络单元（ONT）和无源光网络（PON）系统。 ONU或与ONU连接的终端的用户可以在不估计通信带宽的情况下，准确地识别分配给ONU的带宽量。 OLT根据从ONU向OLT发送的请求，通知每个ONU分配给ONU的带宽量。每个ONU从OLT接收带宽信息，并在其上显示带宽信息，或通知与ONU连接的终端带宽信息。

5. 发明授权

US08027258B2 Communication system and communication apparatus 有权
标题翻译：通信系统和通信设备
公开(公告)号：US08027258B2
公开(公告)日：2011-09-27
申请号：US12488823
申请日：2009-06-22
申请人： Masahiko Mizutani , Yusuke Yajima , Takayuki Kanno , Takeshi Yasuda
发明人： Masahiko Mizutani , Yusuke Yajima , Takayuki Kanno , Takeshi Yasuda
IPC分类号： H04L1/00 , H04L12/26
CPC分类号： H04L45/26 , H04J3/0682 , H04L43/0852 , H04L45/22 , H04L45/62 , H04L47/70 , H04L47/746 , H04L47/762 , H04L47/826 , H04Q11/0062 , H04Q2011/0079 , H04Q2011/0081
摘要： Communication time period measuring frames are simultaneously sent from an OAM adaptive device on a transmission side, to both a working path and a protection path. In an OAM adaptive device on a reception side, reception times of the frames having arrived from both the paths are checked so as to measure a time period difference between both the paths. The time period difference is fed back to a logic distance adjustment function of each PON section to determine required communication time periods of the PON sections respectively included in a working system and a protection system. Communication time periods of the working system and the protection system in a packet communication network are arbitrated in order to decrease a packet loss at line switching in a packet relaying network.
摘要翻译：通信时间段测量帧同时从发送侧的OAM自适应设备发送到工作路径和保护路径。在接收侧的OAM自适应装置中，检查从两个路径到达的帧的接收次数，以测量两个路径之间的时间差。时间差被反馈到每个PON部分的逻辑距离调整功能，以确定分别包括在工作系统和保护系统中的PON部分的所需通信时间段。对分组通信网络中的工作系统和保护系统的通信时间段进行仲裁，以便在分组中继网络中的线路交换中减少分组丢失。

6. 发明授权

US08422375B2 Communication system and communication apparatus 失效
标题翻译：通信系统和通信设备
公开(公告)号：US08422375B2
公开(公告)日：2013-04-16
申请号：US13239963
申请日：2011-09-22
申请人： Masahiko Mizutani , Yusuke Yajima , Takayuki Kanno , Takeshi Yasuda
发明人： Masahiko Mizutani , Yusuke Yajima , Takayuki Kanno , Takeshi Yasuda
IPC分类号： H04L1/00 , H04L12/26
CPC分类号： H04L45/26 , H04J3/0682 , H04L43/0852 , H04L45/22 , H04L45/62 , H04L47/70 , H04L47/746 , H04L47/762 , H04L47/826 , H04Q11/0062 , H04Q2011/0079 , H04Q2011/0081
摘要： Communication arrangements wherein each of ONUs of a first or second PON transmits data toward a connected first or second OLT after a wait time period designated by the connected first or second OLT; the first communication device of the first packet communication network sends a first frame for measuring communication time period, to the second communication device of the second packet communication network through the first PON, and sends a second frame for measuring communication time period, to the second communication device through the second PON; and the second communication device calculates a difference of communication time period between the received first and second frames, and instructs the first or second OLT of the first or second PON, for correcting a wait time period which is set to the one or plural ONUs connected to the first or second OLT, based on the difference between communication time periods.
摘要翻译：通信布置，其中第一或第二PON的每个ONU在由所连接的第一或第二OLT指定的等待时间段之后向连接的第一或第二OLT发送数据; 第一分组通信网络的第一通信设备通过第一PON向第二分组通信网络的第二通信设备发送用于测量通信时间段的第一帧，并向第二分组通信网络发送用于测量通信时间段的第二帧通信设备通过第二PON; 并且第二通信设备计算接收的第一和第二帧之间的通信时间段的差异，并且指示第一或第二PON的第一或第二OLT用于校正被设置为连接的一个或多个ONU的等待时间段基于通信时间段之间的差异，到第一或第二OLT。

7. 发明授权

US08254780B2 Passive optical network system and fault determination method 有权
标题翻译：无源光网络系统和故障确定方法
公开(公告)号：US08254780B2
公开(公告)日：2012-08-28
申请号：US12379634
申请日：2009-02-26
申请人： Masahiko Mizutani , Yusuke Yajima , Yoshihiro Ashi
发明人： Masahiko Mizutani , Yusuke Yajima , Yoshihiro Ashi
IPC分类号： H04B10/00
CPC分类号： H04B10/03 , H04B10/07955 , H04B10/272 , H04L25/0298 , H04Q11/0067 , H04Q2011/0081 , H04Q2011/0083
摘要： In a passive optical network system, a parent station includes a reception circuit that receives an optical signal from each of child stations using a threshold used to identify if the optical signal is 0 or 1; a bandwidth setting unit that determines a time at which each child station sends an optical signal; a storage unit that stores thresholds and intensities of optical signals received from the child stations; and a control unit that sets a threshold, stored corresponding to a sending time, in the reception circuit to control a reception of an optical signal. The control unit has a function that compares an intensity of a signal received from each child station at an optical signal reception time with information stored in the storage unit to detect and determine a fault in the child station or in the optical fiber connected to the child station.
摘要翻译：在无源光网络系统中，母站包括接收电路，其使用用于识别光信号是0或1的阈值从每个子站接收光信号; 带宽设定单元，确定每个子站发送光信号的时间; 存储单元，其存储从所述子站接收的光信号的阈值和强度; 以及控制单元，其在接收电路中设置对应于发送时间存储的阈值，以控制光信号的接收。控制单元具有将在光信号接收时刻从每个子站接收的信号的强度与存储在存储单元中的信息进行比较的功能，以检测和确定子站中或连接到该小孩的光纤中的故障站。

8. 发明授权

US08554075B2 Communication system, subscriber accommodating apparatus and communication method 失效
标题翻译：通信系统，用户收纳设备和通信方法
公开(公告)号：US08554075B2
公开(公告)日：2013-10-08
申请号：US13144253
申请日：2009-01-13
申请人： Masahiko Mizutani , Yusuke Yajima , Nobuyuki Yamamoto , Yoshihiro Ashi
发明人： Masahiko Mizutani , Yusuke Yajima , Nobuyuki Yamamoto , Yoshihiro Ashi
IPC分类号： H04J14/00 , H04J14/02
CPC分类号： H04J14/0227 , H04L43/0817 , H04L43/0852 , H04L45/22 , H04L45/28 , H04Q11/0067 , H04Q2011/0081
摘要： Switching process at the occurrence of a path trouble is performed more quickly to reduce the number of packet discards during a traffic transition from a currently used system path to a standby system path within a section to be protected. An OLT (210-W) refers to the DBA information of a PON section and, if receiving no CCM frame at a timing at which the same should be received, then determines that some trouble has occurred on the path (S801) and transmits, to an OAM-compliant NE (200-Z), an application-for-switching frame (1501) to notify the OAM-compliant NE (200-Z) of the abnormal condition. The OAM-compliant NE (200-Z) monitors the occurrence of the trouble within the PON section nearly in real time, starts a switching process (S802) and generates and transmits a standby-system delivery request (321) (S302, S803). An OAM-compliant NE (200-A) switches the communication path to the standby-system passing through an OLT (210-P).
摘要翻译：在发生路径故障时的切换过程被执行得更快以减少从当前使用的系统路径到要保护的区段内的备用系统路径的业务转换期间的丢弃丢弃数量。 OLT（210-W）是指PON部分的DBA信息，并且如果在接收相同的定时不接收到CCM帧，则确定在路径上发生了一些故障（S801）到符合OAM的NE（200-Z），用于切换交换帧（1501）的OAM兼容NE（200-Z）通知异常状态。符合OAM标准的NE（200-Z）几乎实时监控PON部分内的故障发生，开始切换处理（S802），生成并发送备用系统传送请求（321）（S302，S803）。符合OAM标准的网元（200-A）将通信路径切换到通过OLT（210-P）的备用系统。

9. 发明授权

US08249458B2 Optical communication system and method for operating the same 有权
标题翻译：光通信系统及其操作方法
公开(公告)号：US08249458B2
公开(公告)日：2012-08-21
申请号：US12638383
申请日：2009-12-15
申请人： Masahiko Mizutani , Yusuke Yajima
发明人： Masahiko Mizutani , Yusuke Yajima
IPC分类号： H04J14/08
CPC分类号： H04J3/0682 , H04J3/0652 , H04Q11/0067 , H04Q2011/0081 , H04Q2011/009
摘要： An optical communication system has a master station and a plurality of slave stations connected thereto via an optical fiber network, which is provided with an optical splitter and a relay unit which relays signals transmitted/received between the master station and the plurality of slave stations. The master station includes a first controller for performing ranging between the master station and the relay unit, and the relay unit includes a second controller for performing ranging between the relay unit and the plurality of slave stations. The master station determines, on the basis of the results of ranging performed by the first and second controllers as well as reports from the slave stations, timings for the slave stations to transmit signals to the master station, and receives signals multiplexed through the optical fiber network from the slave stations.
摘要翻译：光通信系统具有主站和经由光纤网络连接到其上的多个从站，光纤网络设有光分路器和中继单元，其中继在主站与多个从站之间发送/接收的信号。主站包括用于在主站和中继单元之间进行测距的第一控制器，并且中继单元包括用于执行中继单元与多个从站之间的测距的第二控制器。主站基于由第一和第二控制器执行的测距结果以及从站的报告，确定从站向主站发送信号的定时，并且接收通过光纤复用的信号从站的网络。

10. 发明申请

US20120070147A1 COMMUNICATION SYSTEM AND COMMUNICATION APPARATUS 失效
标题翻译：通信系统和通信设备
公开(公告)号：US20120070147A1
公开(公告)日：2012-03-22
申请号：US13239963
申请日：2011-09-22
申请人： Masahiko MIZUTANI , Yusuke Yajima , Takayuki Kanno , Takeshi Yasuda
发明人： Masahiko MIZUTANI , Yusuke Yajima , Takayuki Kanno , Takeshi Yasuda
IPC分类号： H04B10/08
CPC分类号： H04L45/26 , H04J3/0682 , H04L43/0852 , H04L45/22 , H04L45/62 , H04L47/70 , H04L47/746 , H04L47/762 , H04L47/826 , H04Q11/0062 , H04Q2011/0079 , H04Q2011/0081
摘要： Communication arrangements wherein each of ONUs of a first or second PON transmits data toward a connected first or second OLT after a wait time period designated by the connected first or second OLT; the first communication device of the first packet communication network sends a first frame for measuring communication time period, to the second communication device of the second packet communication network through the first PON, and sends a second frame for measuring communication time period, to the second communication device through the second PON; and the second communication device calculates a difference of communication time period between the received first and second frames, and instructs the first or second OLT of the first or second PON, for correcting a wait time period which is set to the one or plural ONUs connected to the first or second OLT, based on the difference between communication time periods.
摘要翻译：通信布置，其中第一或第二PON的每个ONU在由所连接的第一或第二OLT指定的等待时间段之后向连接的第一或第二OLT发送数据; 第一分组通信网络的第一通信设备通过第一PON向第二分组通信网络的第二通信设备发送用于测量通信时间段的第一帧，并向第二分组通信网络发送用于测量通信时间段的第二帧通信设备通过第二PON; 并且第二通信设备计算接收的第一和第二帧之间的通信时间段的差异，并且指示第一或第二PON的第一或第二OLT用于校正被设置为连接的一个或多个ONU的等待时间段基于通信时间段之间的差异，到第一或第二OLT。

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