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    • 2. 发明申请
    • Signaling system
    • 信令系统
    • US20070019541A1
    • 2007-01-25
    • US11259014
    • 2005-10-26
    • Yasuki FujiiKeiji MiyazakiShinya KanouAkira NagataTakuya OkamotoTomoyuki Harada
    • Yasuki FujiiKeiji MiyazakiShinya KanouAkira NagataTakuya OkamotoTomoyuki Harada
    • H04J1/16
    • H04L12/4637H04L45/00H04L45/22
    • A signaling system able to improve the efficiency of utilization of network resources and autonomously set a correct spare route, that is, a signaling system setting a path passing through two rings interconnected by a plurality of nodes by signaling wherein each node is provided with an inter-node connection information table including topology information in the network and a branch node judgment unit for judging whether a home node is a branch node based on the content of the inter-node connection information table and wherein when the home node receives a signaling message for setting a working path and it is judged that the node is a branch node, the signaling of the spare path is started for the destination node of the spare path based on the information in the inter-node connection information table so as to autonomous set the spare path.
    • 一种信号系统,其能够提高网络资源的利用效率,并且自主地设置正确的备用路由,即,信令系统设置通过信令通过多个节点互连的两个环路的路径,其中每个节点被提供有一个互连 - 包括网络中的拓扑信息的节点连接信息表和基于节点间连接信息表的内容来判断家庭节点是否是分支节点的分支节点判断单元,并且其中当家庭节点接收到用于 设置工作路径,判断为节点为分支节点,基于节点间连接信息表中的信息,为备用路径的目的地节点启动备用路径的信令,自主设置 备用路径。
    • 3. 发明授权
    • Fiber misconnection detecting method and device
    • 光纤误连接检测方法及装置
    • US08135284B2
    • 2012-03-13
    • US11751083
    • 2007-05-21
    • Tomoyuki HaradaMasayuki TsudaTakuya Okamoto
    • Tomoyuki HaradaMasayuki TsudaTakuya Okamoto
    • H04B10/08H04L12/28
    • H04J3/14H04J2203/006
    • In a method and device which can quickly detect a fiber misconnection without setting an expected value, a node identifier of source node and an identifier of an interface for inputting/outputting a signal are set in a predetermined first field of a header to be transmitted to a destination node, and when both identifiers set in the first field are received from the destination node, both identifiers are set in a predetermined second field of the header to be transmitted and stored with the first field. When the identifiers set in the first and second fields are received and the identifiers of the second field among the identifiers are consistent with the identifiers of the first field stored at the second step (means), a connection is determined to be correct.
    • 在可以快速检测光纤误连接而不设置期望值的方法和装置中,将源节点的节点标识符和用于输入/输出信号的接口的标识符设置在要发送到的报头的预定的第一字段中 目的地节点,并且当从目的地节点接收到在第一字段中设置的两个标识符时,两个标识符都被设置在首标的预定的第二字段中以与第一字段一起发送和存储。 当接收到在第一和第二字段中设置的标识符并且标识符中的第二字段的标识符与在第二步骤(装置)存储的第一字段的标识符一致时,确定连接是正确的。
    • 7. 发明授权
    • Receiving device, receiving method, program, and receiving system
    • 接收设备,接收方式,程序和接收系统
    • US09203678B2
    • 2015-12-01
    • US14006871
    • 2012-03-23
    • Takuya OkamotoHiroo TakahashiYuken Goto
    • Takuya OkamotoHiroo TakahashiYuken Goto
    • H04L27/26H04B1/28H03J7/02H04N5/44H04N5/455
    • H04L27/2666H03J7/02H04B1/28H04H20/77H04H40/27H04N5/4401H04N5/455
    • The present technology relates to a receiving device, a receiving method, a program, and a receiving system which may improve reception performance in the case of receiving a signal with a variable frequency band. A receiving device according to an embodiment of the present technology includes a demodulation unit configured to convert a received signal to a baseband signal in the case where a first frequency differs from a second frequency, wherein the first frequency is a center frequency in a band of the received signal, the second frequency is a center frequency in a band of a desired signal included in a part of the band of the received signal, and a DC component of the baseband signal is to be a frequency in the vicinity of the second frequency. The present technology may be applied to a receiver which receives an OFDM signal of DVB-C2.
    • 本技术涉及在接收具有可变频带的信号的情况下可以提高接收性能的接收装置,接收方法,程序和接收系统。 根据本技术的实施例的接收装置包括解调单元,被配置为在第一频率与第二频率不同的情况下将接收信号转换为基带信号,其中第一频率是频带中的中心频率 接收信号,第二频率是包括在接收信号的频带的一部分中的期望信号的频带中的中心频率,并且基带信号的直流分量将成为第二频率附近的频率 。 本技术可以应用于接收DVB-C2的OFDM信号的接收机。