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1. 发明授权

US08687960B2 Communication method, optical communication system, station-side optical-line terminal apparatus, and user-side optical-line terminal apparatus 有权
标题翻译：通信方式，光通信系统，站侧光线路终端装置和用户侧光线路终端装置
公开(公告)号：US08687960B2
公开(公告)日：2014-04-01
申请号：US13395145
申请日：2010-03-24
申请人： Yukio Hirano , Hiroaki Mukai
发明人： Yukio Hirano , Hiroaki Mukai
IPC分类号： H04B10/20
CPC分类号： H04J14/0238 , H04B10/272 , H04J14/0227 , H04J14/0247 , H04J14/0252 , H04J14/0258 , H04J14/0267 , H04J14/0282 , H04Q11/0067 , H04Q2011/0079
摘要： A communication method of an optical communication system in which a plurality of ONUs are connected to an OLT, includes steps (a) allocating, by the OLT, a transmission bandwidth to an ONU capable of an operation in a sleep mode in which an optical transmitter is tentatively halted for a predetermined sleep period, and transmitting a transmission bandwidth notification to the ONU when the ONU is in the sleep mode and when the ONU is not in the sleep mode; (b) receiving, from the ONU to which the transmission bandwidth is allocated, a response signal when the ONU is not in the sleep mode, wherein the response signal is or is not received during the sleep mode; and (c) suppressing, by the OLT, an alarm in the sleep mode, the alarm being caused by a communication failure with the ONU on a basis of the response signal not being received.
摘要翻译：一种其中多个ONU连接到OLT的光通信系统的通信方法，包括以下步骤：（a）由OLT分配传输带宽到能够进行睡眠模式操作的ONU，其中光发射机暂时停止预定的睡眠周期，并且当ONU处于睡眠模式时以及当ONU不处于睡眠模式时，向ONU发送传输带宽通知; （b）当ONU处于睡眠模式时，从分配有传输带宽的ONU接收响应信号，其中响应信号在睡眠模式期间被接收或不被接收; 以及（c）由所述OLT抑制所述睡眠模式下的警报，所述警报是基于未被接收到的所述响应信号与所述ONU的通信故障引起的。

2. 发明申请

US20130045005A1 COMMUNICATION METHOD FOR OPTICAL COMMUNICATION SYSTEM, OPTICAL COMMUNICATION SYSTEM, SLAVE STATION APPARATUS, CONTROL DEVICE, AND COMPUTER PROGRAM 有权
标题翻译：光通信系统通信方法，光通信系统，从站设备，控制设备和计算机程序
公开(公告)号：US20130045005A1
公开(公告)日：2013-02-21
申请号：US13695554
申请日：2010-12-08
申请人： Kenichi Nakura , Hiroaki Mukai , Seiji Kozaki , Daisuke Ito , Masaki Tanaka
发明人： Kenichi Nakura , Hiroaki Mukai , Seiji Kozaki , Daisuke Ito , Masaki Tanaka
IPC分类号： H04B10/08
CPC分类号： H04Q11/0067 , H04B10/272 , H04J3/0694 , H04J3/14 , H04Q2011/0079 , H04Q2011/0083 , H04Q2011/0088
摘要： The control device includes a power-saving control unit that intermittently repeats, based on a power saving permission signal transmitted from the master station apparatus, power saving control in which the slave station stops or reduces power supply to a transmitter or a receiver for a predetermined pause duration while maintaining a communication link and a monitoring unit that monitors out of synchronization by comparing a synchronization signal received from the OLT and a time of the ONU. The control device shifts from a registered state to a deregistered state when the monitoring unit detects the out of synchronization. On the other hand, after the pause duration of the power saving control, the control device suppresses the shift to the deregistered state due to the detection of the out of synchronization.
摘要翻译：控制装置包括省电控制单元，其基于从主站装置发送的省电许可信号间歇地重复执行省电控制，其中从站停止或减少向发射机或接收机的电力供应预定的通过比较从OLT接收的同步信号和ONU的时间来监视通信链路的暂停持续时间和监视器不同步的监视单元。当监视单元检测到不同步时，控制装置从注册状态转移到注销状态。另一方面，在省电控制的暂停持续时间之后，控制装置由于不同步的检测而抑制向取消登记状态的转移。

3. 发明申请

US20120177361A1 COMMUNICATION METHOD, OPTICAL COMMUNICATION SYSTEM, STATION-SIDE OPTICAL-LINE TERMINAL APPARATUS, AND USER-SIDE OPTICAL-LINE TERMINAL APPARATUS 有权
标题翻译：通信方法，光通信系统，站侧光线终端设备和用户侧光线终端设备
公开(公告)号：US20120177361A1
公开(公告)日：2012-07-12
申请号：US13395145
申请日：2010-03-24
申请人： Yukio Hirano , Hiroaki Mukai
发明人： Yukio Hirano , Hiroaki Mukai
IPC分类号： H04B10/08
CPC分类号： H04J14/0238 , H04B10/272 , H04J14/0227 , H04J14/0247 , H04J14/0252 , H04J14/0258 , H04J14/0267 , H04J14/0282 , H04Q11/0067 , H04Q2011/0079
摘要： An ONU includes the optical transceiver capable of an operation in a power-saving mode in which power consumption is reduced by stopping transmission while continuing reception, and a control device that controls to tentatively validate transmission of the optical transceiver and outputs a response signal when a control signal is received from an OLT during an operation in a power-saving state. Moreover, the OLT includes the control device that allocates a transmission bandwidth to the ONU even while the optical transceiver of the ONU operates in a power-saving mode and stops transmission and determines whether a communication failure occurs or the ONU is in operation in a power-saving mode based on the response signal received by a transceiver of the OLT.
摘要翻译： ONU包括能够在继续接收时通过停止发送来降低功耗的功率节省模式的光收发器，以及控制装置，其控制在暂时验证光收发器的发送时输出响应信号在省电状态的操作期间，从OLT接收控制信号。此外，OLT包括即使在ONU的光收发器以省电模式操作并停止发送并且确定是否发生通信故障或者ONU在功率中操作的情况下，向ONU分配传输带宽的控制设备基于由OLT的收发器接收的响应信号的分频模式。

4. 发明申请

US20120148246A1 PON SYSTEM, SUBSCRIBER-SIDE TERMINAL APPARATUS, STATION-SIDE TERMINAL APPARATUS, AND POWER SAVING METHOD 有权
标题翻译： PON系统，订户端终端设备，站点终端设备和节电方法
公开(公告)号：US20120148246A1
公开(公告)日：2012-06-14
申请号：US13391511
申请日：2009-08-21
申请人： Hiroaki Mukai , Kaori Mie , Koshi Sugimura
发明人： Hiroaki Mukai , Kaori Mie , Koshi Sugimura
IPC分类号： H04B10/00 , H04J14/00
CPC分类号： H04Q11/0067 , H04L12/40013 , H04Q2011/0079
摘要： In a PON system, an ONU includes a receive buffer that stores therein a signal in a downstream direction transmitted from an OLT and a PON control unit that controls transition to a power-saving state and transition to a normal state for the reception buffer. The OLT includes a transmission buffer that stores transmission data to be transmitted to the ONU and the PON control unit that transmits the downstream power-saving-state transition request that requests the ONU to transition to the downstream power-saving state when it is determined that transmission data addressed to the ONU is not present in the transmission buffer. The PON control unit sets the reception buffer to a power-saving state for a predetermined downstream sleep time requested based on the downstream power-saving-state transition request.
摘要翻译：在PON系统中，ONU包括接收缓冲器，其中存储从OLT发送的下行方向的信号和控制向功率保存状态的转换并转换到接收缓冲器的正常状态的PON控制单元。 OLT包括发送缓冲器，其存储要向ONU发送的发送数据，以及PON控制单元，其发送下行功率保存状态转换请求，当请求ONU向下游省电状态转换时，ONU控制单元确定发送到ONU的发送数据不存在于发送缓冲器中。 PON控制单元基于下游省电状态转换请求，将接收缓冲器设定为所需要的预定下游睡眠时间的省电状态。

5. 发明申请

US20120128357A1 COMMUNICATION SYSTEM, STATION-SIDE OPTICAL LINE TERMINATING APPARATUS, USER-SIDE OPTICAL LINE TERMINATING APPARATUS, CONTROL APPARATUS, AND COMMUNICATION METHOD 有权
标题翻译：通信系统，站台光线路终端设备，用户端光线路终端设备，控制设备和通信方法
公开(公告)号：US20120128357A1
公开(公告)日：2012-05-24
申请号：US13388087
申请日：2011-04-12
申请人： Hiroaki Mukai , Masaki Tanaka , Daisuke Ito
发明人： Hiroaki Mukai , Masaki Tanaka , Daisuke Ito
IPC分类号： H04J14/00
CPC分类号： H04B10/27 , H04B10/272 , H04B10/40 , H04J14/0221 , H04J14/0282 , H04L12/12 , H04Q11/0067 , H04Q2011/0064 , H04Q2011/0079 , Y02D50/20 , Y02D50/40
摘要： An optical communication system that connects a plurality of user-side optical line terminating apparatuses (hereinafter referred to as ONUs) to a station-side optical line terminating apparatus (hereinafter referred to as OLT) using a common optical fiber, wherein the ONU as at least a part of the ONUs includes a transceiver having a power saving function for inactivating a transmitting unit while supplying electric power to a receiving unit and a control apparatus that transmits support information of the power saving function to the OLT via the transceiver, and the OLT includes a control apparatus that generates transmission allowance information of upstream communication based on the support information of the power saving function and a transceiver that receives the support information of the power saving function and transmits the transmission allowance information to the ONU.
摘要翻译：一种使用公共光纤将多个用户侧光线路终端装置（以下称为ONU）连接到站侧光线路终端装置（以下称为OLT）的光通信系统，其中， ONU的至少一部分包括具有用于在向接收单元提供电力的情况下用于停用发送单元的功率节省功能的收发器和经由收发器向OLT发送功率节省功能的支持信息的控制装置，并且OLT 包括基于省电功能的支持信息生成上行通信的发送允许信息的控制装置和接收到省电功能的支持信息的收发器，并向ONU发送发送允许信息。

6. 发明授权

US08774621B2 Communication line switching method, communication apparatus, station-side communication apparatus, communication system, and control unit 有权
标题翻译：通信线路切换方法，通信装置，站侧通信装置，通信系统和控制单元
公开(公告)号：US08774621B2
公开(公告)日：2014-07-08
申请号：US13695525
申请日：2010-11-25
申请人： Hiroaki Mukai
发明人： Hiroaki Mukai
IPC分类号： G02F1/00
CPC分类号： H04B10/07 , H04J3/0688 , H04Q11/0067 , H04Q2011/0081
摘要： In a communication line switching method for an optical communications system in which a station-side line terminal apparatus and user-side line terminal apparatuses are connected via a plurality of redundant physical lines, the discovery of the station-side optical line terminal registering the user-side line terminal apparatuses, wherein the registered user-side line terminal apparatuses monitoring a time stamp drift error that is generated when a difference between a time stamp included in a received signal and a local time measured by the own apparatus is larger than a value set in advance and, when the time stamp drift error occurs, shifting to a deregistered state and waiting for registration by the discovery. The station-side line terminal apparatus switches a physical line from a working physical line to a backup physical line of the physical lines. The user-side line terminal apparatus shifting to a holdover state for suppressing a shift to the deregistered state due to occurrence of the time stamp drift error during monitoring in a holdover period set in advance even if line abnormality is detected.
摘要翻译：在通过多路冗余物理线连接站侧线路终端装置和用户线路终端装置的光通信系统的通信线路切换方法中，发送登记用户的台站侧光线路终端其中所述登记的用户侧线路终端装置监视当包括在接收信号中的时间戳与本机之间测量的本地时间之间的差异大于值时产生的时间戳漂移误差提前设置，当时间戳漂移错误发生时，转移到注销状态并等待发现注册。站侧线路终端装置将物理线路从工作物理线路切换到物理线路的备用物理线路。即使检测到线路异常，用户侧线路终端装置转移到保持状态，用于抑制由于在预先设定的保持期间的监视期间出现时间戳漂移误差而转移到去登记状态。

7. 发明授权

US07653080B2 Station side communication device 失效
标题翻译：站侧通讯装置
公开(公告)号：US07653080B2
公开(公告)日：2010-01-26
申请号：US10563157
申请日：2003-09-11
申请人： Michiya Takemoto , Masaki Tanaka , Ken Murakami , Hiroaki Mukai
发明人： Michiya Takemoto , Masaki Tanaka , Ken Murakami , Hiroaki Mukai
IPC分类号： H04B7/212
CPC分类号： H04B7/2628 , H04L12/2856 , H04L41/0896 , H04L41/26 , H04L47/15 , H04L47/70 , H04L47/765 , H04L47/788 , H04L47/808 , H04L47/821 , H04L2012/445
摘要： An allocation determining unit determines a bandwidth allocation for each of a plurality of subscriber devices in each data-collection cycle. A history managing unit takes a history of a request increment from a bandwidth request amount acquired from more than one time of data collections and an allocation amount allocated by the allocation determining unit for the bandwidth request amount, and presents a bandwidth request amount for the allocation determination to the allocation determining unit by dividing the bandwidth request amount into a plurality of request increments indicated by the history.
摘要翻译：分配确定单元在每个数据收集循环中确定多个订户设备中的每一个的带宽分配。历史管理单元从从数据收集的多于一次获取的带宽请求量和由分配确定单元为带宽请求量分配的分配量获取请求增量的历史，并且呈现用于分配的带宽请求量通过将带宽请求量除以由历史指示的多个请求增量来确定分配确定单元。

8. 发明授权

US07403518B2 Packet transmission system, packet transmission method, packet transmission program, and recording medium on which the recorded program is recorded 有权
标题翻译：分组传输系统，分组传输方法，分组传输程序和记录在其上的记录介质
公开(公告)号：US07403518B2
公开(公告)日：2008-07-22
申请号：US10482209
申请日：2002-03-18
申请人： Mitsuru Tsuchida , Yoshihiro Asashiba , Ryusuke Kawate , Eiichi Horiuchi , Hiroaki Mukai , Michiya Takemoto
发明人： Mitsuru Tsuchida , Yoshihiro Asashiba , Ryusuke Kawate , Eiichi Horiuchi , Hiroaki Mukai , Michiya Takemoto
IPC分类号： H04L12/56
CPC分类号： H04L12/44 , H04Q11/0066 , H04Q11/0067 , H04Q2011/0064
摘要： An OLT 1 sequentially allocates transmission permission of a packet on an upstream transmission line to a plurality of ONUs 2 registered, and performs packet communication in a simplified method with control by using a first timer for detecting a packet signal and a second timer for controlling transmission permission time, in order to transmit an IP packet of variable length without mounting a function of complex processing for analyzing an upstream packet in the OLT 1.
摘要翻译： OLT1顺序地将上行传输线上的分组的传输许可分配给已登记的多个ONU2，并且通过使用用于检测分组信号的第一定时器和用于控制传输的第二定时器以控制方式进行分组通信允许时间，以便发送可变长度的IP分组，而无需安装用于分析OLT 1中的上行分组的复杂处理功能。

9. 发明授权

US07317688B2 Optical communication system with dynamic bandwidth allocation 有权
标题翻译：具有动态带宽分配的光通信系统
公开(公告)号：US07317688B2
公开(公告)日：2008-01-08
申请号：US09983644
申请日：2001-10-25
申请人： Hiroaki Mukai , Toshikazu Yoshida , Tetsuya Yokotani , Seiji Kozaki
发明人： Hiroaki Mukai , Toshikazu Yoshida , Tetsuya Yokotani , Seiji Kozaki
IPC分类号： H04J1/16
CPC分类号： H04Q11/0062 , H04Q2011/0064 , H04Q2011/0086
摘要： Dynamic up-link bandwidth allocation is realized in a optical communication system in which a plurality of subscriber devices with mutually different device configurations are connected to a station unit, by configuring the station unit to consider device configurations of the subscriber devices in performing up-link bandwidth allocation.
摘要翻译：在具有相互不同的设备配置的多个用户设备连接到站单元的光通信系统中实现动态上行链路带宽分配，通过配置站单元来考虑用户设备执行上行链路的设备配置带宽分配。

10. 发明授权

US09490898B2 Communication system, master station device, slave station device, control unit, and communication control method 有权
公开(公告)号：US09490898B2
公开(公告)日：2016-11-08
申请号：US14377356
申请日：2013-01-15
申请人： Hiroaki Mukai , Koshi Sugimura
发明人： Hiroaki Mukai , Koshi Sugimura
IPC分类号： H04J14/02 , H04B10/27 , H04B10/272 , H04L12/12 , H04L12/403
摘要： A communication system in which a master station device is connected to a plurality of slave station devices by an optical transmission line and a plurality of wavelengths are used to perform at least one of downstream communication and upstream communication. The master station device includes: a control unit that assigns a wavelength to be used in communication to the slave station device, and that generates a control signal for notifying the slave station device of the assigned wavelength; and an optical transmitter that transmits the control signal generated by the control unit to the slave station device. The slave station device includes an optical receiver and an optical transmitter that carry out communication with the master station device using the wavelength based on the control signal received from the master station device.

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