会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 1. 发明专利
    • 光通信装置及び動的波長割当方法
    • 光通信装置和动态波长分配方法
    • JP2015037295A
    • 2015-02-23
    • JP2013169077
    • 2013-08-16
    • 日本電信電話株式会社Nippon Telegr & Teleph Corp
    • YOSHIDA TOMOAKIKANEKO SHINKIMURA SHUNJI
    • H04L12/44H04B10/272H04J14/00H04J14/02
    • 【課題】本発明は、OSU稼働台数の削減による省電力動作において、簡易かつ実装を容易に、通信の途絶及び遅延を減少させることを目的とする。【解決手段】本発明は、複数のONU92と単一のOLT91とがPONトポロジで接続された光加入者システムにおけるOLT91であって、ONU92からの要求に応じて、OLT91と通信を行うための通信波長をONU92に割り当てる動的波長帯域割当回路13を備え、動的波長帯域割当回路13が、与えられた契機に、通信波長として使用されている使用波長のなかから、使用を停止する使用停止波長を決定するスリープ波長決定部と、使用停止波長を使用していた加入者装置を、使用停止波長とは異なる使用波長に切り替える波長切替部と、を備え、波長切替部の切り替えを契機に、スリープ波長決定部の決定した使用停止波長の送受信器をスリープ状態に移行する。【選択図】図3
    • 要解决的问题:为了减少通信中断和延迟,同时基于减少要运行的光用户单元(OSU)的数量,在省电操作中促进封装。解决方案:本发明涉及一种光线路终端(OLT) 91,其中通过无源光网络(PON)拓扑连接多个光网络单元(ONU)92和单个OLT 91的光用户系统,并且提供动态波段分配电路13,用于将通信波长分配给 响应于来自ONU 92的请求,与OLT 91通信到ONU 92.动态波段分配电路13包括:睡眠波长确定部分,用于确定从用作通信波长的可用波长中停止使用的停止波长 以及用于使用停止波长将用户设备切换到任何可用的波浪的波长切换部分 与使用停止波长不同。 在波长切换部切换的定时中,将由睡眠波长确定部确定的使用停止波长的收发器转移到睡眠状态。
    • 2. 发明专利
    • 動的波長帯域割当方法及び動的波長帯域割当装置
    • 动态波长分配方法和动态波段分配装置
    • JP2014197748A
    • 2014-10-16
    • JP2013071734
    • 2013-03-29
    • 日本電信電話株式会社Nippon Telegr & Teleph Corp
    • KANEKO SHINYOSHIDA TOMOAKIKIMURA SHUNJI
    • H04L12/44
    • 【課題】波長可変型WDM/TDM−PONにおいて、上りDataの送信許可時間及び波長切替の実行時間のタイミング次第では、上りDataの送信の中止や各ONU−各OSU間の論理接続の切断が発生してしまうことを防止する。【解決手段】本発明の動的波長帯域割当方法及び動的波長帯域割当装置は、複数のONU2のうち、上り通信波長をOSU1−1の受信波長λU_1からOSU1−2の受信波長λU_2へと変更するよう指示される波長変更ONU2−Kに対して、波長変更ONU2−Kにおける上り通信波長の波長切替開始時刻を、既に割り当てた波長変更ONU2−KにおけるOSU1−1への送信許可時間が終了する時刻と比べて、以降の時刻に設定する。【選択図】図11
    • 要解决的问题为了防止在波长变量WDM / TDM-PON中的逻辑连接的发送和断开的中断的发生,因为在现有技术中,根据上行链路数据传输允许时间和波长切换执行时间的定时, 可能会发生上行链路数据的传输中断和每个ONU与每个OSU之间的逻辑连接断开。解决方案:本发明的动态波长带分配方法和动态波段分配装置设置上行链路通信的波长切换开始时钟时间 对于波长改变ONU2-K,当波长改变ONU2-K完成时,与已经分配的发送允许时间到OSU 1-1的时钟时间相比,波长波长将ONU 2-K更改为与时钟时间相比较的时钟时间 将其上行链路通信波长从OSU 1-1的接收波长λ改变为OSU 1-2amo的接收波长λ 多个ONU 2。
    • 4. 发明专利
    • Optical communication system
    • 光通信系统
    • JP2013131933A
    • 2013-07-04
    • JP2011280556
    • 2011-12-21
    • Nippon Telegr & Teleph Corp 日本電信電話株式会社
    • TAMAKI SHINYANAKAMURA HIROTAKAKIMURA SHUNJI
    • H04J14/00H04B10/27H04J14/02H04J14/08
    • PROBLEM TO BE SOLVED: To achieve a wavelength variable type WDM/TDM-PON which reduces a cost required for a subscriber device, and uses the branch of cyclic AWG.SOLUTION: The optical communication system applies an optical transmitter 11 having such spectral characteristics that an output wavelength of a subscriber device 10 is sufficiently wide, a desired wavelength is extracted by a wavelength filter 30, and at least one of optical receivers 24 in a station side device selects a reception wavelength having arrived at a predetermined timing and thereby performs up-link transmission and reception, and communication is enabled even when the subscriber device 10 has no wavelength variable transmitter.
    • 要解决的问题:实现波长可变型WDM / TDM-PON,其降低了用户设备所需的成本,并且使用循环AWG的分支。解决方案:光通信系统应用具有这样的光谱特性的光发射机11, 用户装置10的输出波长足够宽,由波长滤波器30提取期望的波长,站侧装置中的至少一个光接收器24选择在预定定时到达的接收波长,从而执行 - 链路发送和接收,并且即使当用户设备10没有波长可变发射机时,也能够进行通信。
    • 5. 发明专利
    • Optical communication system, and transmitting-and-receiving method for optical communication system
    • 光通信系统,光通信系统发射接收方法
    • JP2012120136A
    • 2012-06-21
    • JP2010270915
    • 2010-12-03
    • Nippon Telegr & Teleph Corp 日本電信電話株式会社
    • TAMAKI SHINYANAKAMURA HIROTAKAKIMURA SHUNJI
    • H04B10/27H04B10/272H04J14/00H04J14/02H04J14/08
    • PROBLEM TO BE SOLVED: To provide an optical communication system, and a transmitting-and-receiving method for the optical communication system, that, in PON as an efficient combination of time-division multiplexing and wavelength-division multiplexing, are capable of flexibly responding to an increase in the number of users under a station-side apparatus while suppressing an increase in cost without a change in optical power splitter between the station-side apparatus and a subscriber apparatus and a change in loss budget allocated to a transmission distance.SOLUTION: The optical communication system includes a wavelength filter 3 between a station-side apparatus 1 including plural optical transmitting-and-receiving units 11 and plural subscriber apparatuses 2. The wavelength filter 3 has a cyclic frequency for a wavelength of a downstream or upstream signal. The wavelength filter 3 includes plural station-side ports respectively connected to the plural optical transmitting-and-receiving units 11 and plural subscriber-side ports respectively connected to the plural subscriber apparatuses 2. The plural station-side ports and the plural subscriber-side ports each have the cyclic frequency for the wavelength of the downstream or upstream signal.
    • 要解决的问题:为了提供一种用于光通信系统的光通信系统和发送和接收方法,在作为时分复用和波分复用的有效组合的PON中,能够 灵活地响应于站台设备下的用户数量的增加,同时抑制成本的增加而不改变站侧设备与用户设备之间的光功率分配器的变化以及分配给传输的损耗预算的变化 距离。 解决方案:光通信系统包括在包括多个光发送和接收单元11的台站侧设备1和多个用户设备2之间的波长滤波器3.波长滤波器3具有波长为 下游或上游信号。 波长滤波器3包括分别连接到多个光发送和接收单元11的多个站侧端口以及分别连接到多个用户装置2的多个用户侧端口。多个站侧端口和多个用户侧 端口各自具有用于下游或上游信号的波长的循环频率。 版权所有(C)2012,JPO&INPIT
    • 7. 发明专利
    • Optical communication system, station side device, subscriber side device, and optical communication method
    • 光通信系统,站台设备,订户侧设备和光通信方法
    • JP2011147023A
    • 2011-07-28
    • JP2010007300
    • 2010-01-15
    • Nippon Telegr & Teleph Corp 日本電信電話株式会社
    • YOSHINO MANABUHARA KAZUTAKANAKAMURA HIROTAKAKIMURA SHUNJI
    • H04L12/44H04B10/27H04B10/272H04J14/00H04J14/02
    • PROBLEM TO BE SOLVED: To provide an optical communication system, an OLT, an ONU and an optical communication method, notifying a quick wavelength change, a route change, or a change in a combination of the quick wavelength change and the route change, and coexisting with an existing ONU of an optical access network. SOLUTION: In the optical communication method, the OLT notifies a destination ONU of a frame or a gate message transmitted by downward signal light, and an instruction for the wavelength change to the destination ONU by selecting an LLID of a preamble of the frame transmitted by the downward signal light when the downward signal is transmitted by wavelength division multiplexing and time division multiplexing or an LLID of the gate message for notifying transmission permission of upward signal light. The ONU checks the LLID embedded in the preamble of the frame transmitted with signal light transmitted from the OLT, or the LLID in the gate message, and transmits and receives the signal light of a wavelength following the instruction for the wavelength change by proper use of the LLID when the destination ONU designated by the LLID is the own device. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供一种光通信系统,OLT,ONU和光通信方法,通知快速波长变化,路由改变或快速波长变化与路由的组合的变化 改变并与光接入网络的现有ONU共存。 解决方案:在光通信方法中,OLT通过向目的地ONU通知向目的地ONU发送的帧或门信息,以及向目的地ONU发送的波长改变指令,通过选择前导码的LLID 当通过波分复用和时分复用发送下行信号时,由下行信号光发送的帧,或用于通知允许上行信号光的门信息的LLID。 ONU检查嵌入在从OLT发送的信号光发送的帧的前导码中的LLID,或门限消息中的LLID,并通过适当地使用波长改变的方式发送和接收波长改变指令之后的波长的信号光 当由LLID指定的目的地ONU是自己的设备时,LLID。 版权所有(C)2011,JPO&INPIT
    • 8. 发明专利
    • Optical communication system and optical communication method
    • 光通信系统和光通信方法
    • JP2011055172A
    • 2011-03-17
    • JP2009201095
    • 2009-08-31
    • Nippon Telegr & Teleph Corp 日本電信電話株式会社
    • YOSHINO MANABUHARA KAZUTAKANAKAMURA HIROTAKAKIMURA SHUNJI
    • H04L12/44H04B10/27H04B10/272H04J14/00H04J14/02
    • PROBLEM TO BE SOLVED: To provide an optical communication system evading an invalid band allocation in the declaration of a threshold and a buffer amount when allocating a plurality of wavelengths, a plurality of core wires or bands of different priorities by a simultaneous declaration for the declaration for performing a plurality of allocations from an OLT to an ONU.
      SOLUTION: In the optical communication system, the optical transmitter of a subscriber side device is equipped with: a threshold setting unit for defining a number equal to or larger than the smaller one of the maximum number of wavelengths allocatable to one declaration of the same optical transmitter and a value for which 1 is subtracted from the number of optical transmitters to be an allocation object in the same allocation cycle as the number of thresholds, and setting a value for which the maximum value of allocatable transmission permissions is added to the value of the boundary of a declaration frame declared corresponding to the threshold of the preceding stage as the threshold; and a declaration unit for declaring the boundary and total buffer length of a data frame equal to or lower than the set threshold and closest to the threshold, respectively.
      COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供一种在通过同时声明分配多个波长,多个核心线或不同优先级的多个核心线或频带的情况下,在声明阈值和缓冲量时避免无效频带分配的光通信系统 用于执行从OLT到ONU的多个分配的声明。 解决方案:在光通信系统中,用户侧设备的光发射机配备有:阈值设置单元,用于定义等于或大于可分配给一个声明的最大波长数中较小的一个 将相同的光发送器和从与作为阈值的数量相同的分配周期中的作为分配对象的光发送器的数量中减去1的值,并且将添加了可分配传输许可的最大值的值设置为 以与前一级的阈值对应的声明帧的边界值作为阈值; 以及声明单元,用于分别声明等于或低于设定阈值并且最接近阈值的数据帧的边界和总缓冲器长度。 版权所有(C)2011,JPO&INPIT
    • 9. 发明专利
    • Optical communication system, and optical communication method
    • 光通信系统和光通信方法
    • JP2011055157A
    • 2011-03-17
    • JP2009200894
    • 2009-08-31
    • Nippon Telegr & Teleph Corp 日本電信電話株式会社
    • YOSHINO MANABUHARA KAZUTAKANAKAMURA HIROTAKAKIMURA SHUNJI
    • H04B10/27H04B10/272H04J14/00H04J14/02
    • PROBLEM TO BE SOLVED: To provide an optical communication system and an optical communication method, for evading the waste of bands when the time to give a transmission permission is different depending on a plurality of wavelengths or core wires.
      SOLUTION: In the optical communication system, the start time of the transmission permission is allocated with a predetermined margin to the optical transmitter of a subscriber side device. To put it concretely, to the optical transmitter of the subscriber side device, the start time of the transmission permission of a wavelength switching destination is allocated after the end time of the transmission permission allocated to the optical transmitter using the wavelength of a switching destination and after the lapse of the time needed for switching the wavelength at least from the end time of the transmission permission allocated to the optical transmitter using the wavelength of a switching source.
      COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供一种光通信系统和光通信方法,用于在根据多个波长或芯线发送允许发送时间不同时,避免频带的浪费。 解决方案:在光通信系统中,向用户侧设备的光发射机分配预定余量的传输许可的开始时间。 具体地说,对于用户侧设备的光发射机,在使用切换目的地的波长分配给光发射机的传输许可的结束时间之后分配波长切换目的地的传输允许的开始时间,以及 在使用切换源的波长至少从分配给光发射机的传输许可的结束时间切换波长所需的时间过去之后。 版权所有(C)2011,JPO&INPIT
    • 10. 发明专利
    • Optical communication system, optical communication method, control apparatus, program and recording medium
    • 光通信系统,光通信方法,控制装置,程序和记录介质
    • JP2010103893A
    • 2010-05-06
    • JP2008275351
    • 2008-10-27
    • Nippon Telegr & Teleph Corp 日本電信電話株式会社
    • KIMURA SHUNJIYOSHINO MANABUNAKAMURA HIROTAKAHARA KAZUTAKA
    • H04B10/27H04B10/272H04J14/00H04J14/02H04J14/08
    • PROBLEM TO BE SOLVED: To reduce the number of wavelengths to be used and to achieve uplink communication without using any expensive wavelength variable filter, while maintaining a function for flexibly changing a guaranteed transmission rate or slave node assignment.
      SOLUTION: Any one of (k) kinds of wavelengths is used for uplink communication from a slave node to a master node as a transmission wavelength of an optical transmitter that each of (n) pieces of slave nodes includes. each of at least one or more slave nodes includes a function for selecting a transmission wavelength from at least two or more of the (k) kinds of wavelengths, and the master node includes (k) pieces of optical receivers each for receiving optical signals of the (k) kinds of wavelengths. When assigning a transmission time applied from a slave node as a signal reception time in a unit time to the (k) pieces of optical receivers, the master node determines a transmission time and transmission timing for the slave node that has requested a transmission wavelength and a transmission time of the slave node comprising the function for selecting the transmission wavelength so as to smooth the signal reception time among the (k) pieces of optical receivers.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:为了减少所使用的波长数量,并且在不使用任何昂贵的波长可变滤波器的情况下实现上行链路通信,同时保持用于灵活地改变保证传输速率或从节点分配的功能。 解决方案:(k)种波长中的任何一种用于从从节点到主节点的上行链路通信,作为(n)个从节点中的每一个包括的光发射机的传输波长。 至少一个或多个从节点中的每一个包括用于从(k)种波长中的至少两个或更多个选择传输波长的功能,并且主节点包括(k)个光接收器,每个用于接收 (k)种波长。 当将从从节点施加的传输时间作为单位时间的信号接收时间分配给(k)个光接收机时,主节点确定已经请求传输波长的从节点的传输时间和传输定时, 从节点的发送时间包括用于选择发送波长的功能,以平滑(k)个光接收机中的信号接收时间。 版权所有(C)2010,JPO&INPIT