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    • 51. 发明公开
    • Communication system and its device
    • Kommunikationssystem und Vorrichtungdafür
    • EP2043287A2
    • 2009-04-01
    • EP08011602.3
    • 2008-06-26
    • Hitachi Communication Technologies, Ltd.
    • Mizutani, MasahikoAshi, Yoshihiro
    • H04J3/16
    • H04L7/0016H04J3/0605H04J3/1694H04L43/0864H04Q11/0067H04Q2011/0064H04Q2011/0079H04Q2011/0088
    • A transmission device uses transmission delay time of reciprocation with the terminal and time information of the transmission device to create a correction value of time information of the terminal and transmits it to the terminal. The terminal includes expected arrival time information based on the time information of the terminal and the correction value received from the transmission device in a frame transmitted to the transmission device. The transmission device compares reception time of the frame with the expected arrival time information in the frame. If they match, the time information of the terminal synchronizes with the time information of the transmission device. If they do not match, the transmission device transmits a new correction value to the terminal. The terminal transmits a frame including expected arrival time information using the new correction value to the transmission device.
    • 传输设备使用终端的传输延迟时间和传输设备的时间信息来创建终端的时间信息的校正值并将其发送到终端。 终端包括基于终端的时间信息的预期到达时间信息和从发送装置发送的帧中从发送装置接收到的校正值。 发送装置将帧的接收时间与帧中的预期到达时间信息进行比较。 如果匹配,终端的时间信息与发送装置的时间信息同步。 如果不匹配,则发送装置向终端发送新的修正值。 终端使用新的校正值向发送装置发送包括预期到达时间信息的帧。
    • 58. 发明公开
    • IDENTIFICATION METHODS OF DOMAIN-TO-DOMAIN LINK BASED ON AUTOMATICALLY SWITCHED OPTICAL NETWORK
    • 链接到域的域在自动的基础上识别方法交换光网络
    • EP1814247A1
    • 2007-08-01
    • EP05808304.9
    • 2005-11-17
    • Huawei Technologies Co., Ltd.
    • LI, Wang
    • H04B10/20
    • H04L45/04H04L45/02H04Q11/0062H04Q2011/0073H04Q2011/0079H04Q2011/0088
    • An identification methods of domain-to-domain link based on automatically switched optical network includes the nodes in ASON respectively store the identifier of routing controller of network abstract nodes of each layer; the nodes obtain the identifier of routing controller of network abstract nodes of each layer which is stored in opposite terminal node in an interactive mode; the said nodes compare the identifier of routing controller of network abstract nodes of each layer which is stored by itself with the identifier of routing controller of network abstract nodes of corresponding layer which is stored in opposite terminal node, and determine whether the link between the said node and opposite terminal node is domain-to-domain link according to the result of determination. Present invention enables the control domain of each layer in hierarchical ASON to identify the domain-to-domain link of node in present layer.
    • 基于域到域链路的识别方法自动交换光网络分别包含节点在ASON存储路由各层的网络抽象节点的控制器的标识符; 节点获得路由各层的网络抽象节点的控制器的所有其被存储在相对终端节点到交互模式的标识符; 的所述节点比较由本身与存储在相对终端节点的路由对应的层的网络抽象节点的控制器的所有的标识符路由各层的网络抽象节点的控制器的所有被存储的所述标识符,并确定矿是否说之间的链路 节点和对端节点是域到域链路gemäß到确定的结果。 本发明使得能够在分层ASON各层的控制域来识别本层节点的域到域链路。
    • 59. 发明公开
    • A method, communication system and central communication unit for controlling accesses to a shared medium
    • 一种方法,通信系统和用于控制访问到共享介质的中央通信单元
    • EP1796313A1
    • 2007-06-13
    • EP05026647.7
    • 2005-12-06
    • SIEMENS AKTIENGESELLSCHAFT
    • Hajduczenia, MarekMonteiro, PauloSilva, Henrique, Prof.
    • H04L12/28H04L12/24H04Q11/00H04L12/417H04L12/43H04L12/44
    • H04Q11/0067H04L12/2885H04L12/417H04L12/43H04L12/44H04L41/0896H04Q2011/0064H04Q2011/0088
    • Under the method for controlling accesses to a shared medium between a central communication unit (OLT) and several peripheral communication units (ONU1...3), there are status information (ONU1...3report) being sent from the peripheral communication units (ONU1...3) to the central communication unit (OLT), whereby the status information (ONU1...3report) are representing each information to be sent from a peripheral communication unit (ONU1...3) over the shared medium and/or requests for accessing the shared medium. The status information (ONU1...3report) being sent from the peripheral communication units during a given time interval (cycleN) are being collected and evaluated centrally. At least one control message (ONU1...3grant) is generated dependent to the result of the evaluation, the at least one control message (ONU1...3grant) representing information for controlling the accesses of the peripheral communication units (ONU1...3) to the shared medium. The control message (ONU1...3grant) is being sent to the peripheral communication units (ONU1...3).
    • 下用于控制访问到中央通信单元(OLT)和几个外围通信单元之间共享介质(ONU 1 ... 3),存在状态信息的方法(ONU 1 ... 3report)正在从外围通信单元发送( ONU 1 ... 3)到所述中央通信单元(OLT),由此所述状态信息(ONU 1 ... 3report)都是表示每个信息从外围通信单元(ONU 1 ... 3)通过共享媒体发送和 /或用于访问共享介质请求。 一个给定的时间间隔(周期)期间从所述外围通信单元发送的状态信息(ONU 1 ... 3report)正在收集和集中评估。 至少一个控制消息(ONU 1 ... 3grant)产生依赖于所述评估的结果,表示用于控制所述外围通信单元(ONU 1的访问信息的所述至少一个控制消息(ONU 1 ... 3grant).. 0.3)到共享介质。 的控制消息(ONU 1 ... 3grant)被发送到所述外围设备的通信单元(ONU 1 ... 3)。