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201 条记录 (耗时 0.017 秒)

    METHOD AND APPARATUS FOR TRANSMITTING AND RECEIVING CLIENT SIGNAL
    1.
    发明公开
    METHOD AND APPARATUS FOR TRANSMITTING AND RECEIVING CLIENT SIGNAL 审中-公开

    公开(公告)号：EP3306840A1

    公开(公告)日：2018-04-11

    申请号：EP17179942.2

    申请日：2012-06-14

    申请人： Huawei Technologies Co., Ltd.

    发明人： WU, Qiuyou ,  DONG, Limin ,  SU, Wei

    IPC分类号： H04J3/16 ,  H04B10/25 ,  H04J14/02 ,  H04Q11/00

    CPC分类号： H04Q11/0066 ,  H04B10/032 ,  H04B10/27 ,  H04B10/50 ,  H04J3/1652 ,  H04J3/1658 ,  H04J2203/0085 ,  H04L1/0042 ,  H04Q11/00 ,  H04Q11/0003 ,  H04Q2011/0081 ,  H04Q2213/1301 ,  H04Q2213/13168 ,  H04Q2213/13216

    摘要： Embodiments of the present invention provide a method and an apparatus for transmitting and receiving a client signal, and relate to the field of communications technologies. The method includes: mapping the client signal into channels of a parallel transmission frame, where the parallel transmission frame includes at least two channels; adding an overhead for the channels of the parallel transmission frame after the mapping, to form transmission channels of the parallel transmission frame, where bit rates of the transmission channels of the parallel transmission frame are fixed; and modulating the transmission channels of the parallel transmission frame onto one or more optical carriers in a same optical fiber, and transmitting the optical carrier after the modulation. According to the present invention, a structure of a parallel transmission frame is defined, a client signal, especially a multichannel client signal, is mapped into transmission channels of the parallel transmission frame, and the transmission channels are modulated onto one or more optical carriers in a same optical fiber, which greatly simplifies processing complexity for adapting a multichannel parallel client signal, circumvents an existing processing process of "multiplexing, distribution, and multiplexing", and simplifies a signal adaptation process.

    SERVICE TRANSFER DEVICE AND METHOD FOR OPTICAL CHANNEL DATA UNIT
    5.
    发明公开
    SERVICE TRANSFER DEVICE AND METHOD FOR OPTICAL CHANNEL DATA UNIT 有权
    EINEM OPTISCHEN KANAL的DIENSTÜBERTRAGUNGSVORRICHTUNGUND VERFAHRENFÜREINE DATENEINEEHEIT

    公开(公告)号：EP2958279A1

    公开(公告)日：2015-12-23

    申请号：EP13878263.6

    申请日：2013-03-15

    申请人： Huawei Technologies Co., Ltd.

    发明人： CHEN, Zhiyun ,  ZHOU, Huiyu ,  WEI, Jianying

    IPC分类号： H04L12/64

    CPC分类号： H04Q11/0003 ,  H04J3/1652 ,  H04J2203/0085 ,  H04L12/6418 ,  H04Q11/0062 ,  H04Q2011/0064 ,  H04Q2011/0088

    摘要： The present invention relates to the field of communication transmission, and in particular, discloses an optical channel data unit service transmission apparatus and method. The switching apparatus includes a first ODU service processing unit, a timeslot allocating unit, a switching output port allocating unit, an Ethernet switching unit, and a second ODU service processing unit, and forwards an ODU service according to a timeslot mapping table and a frame period timeslot table corresponding to the ODU service, which improves compatibility of the device, ensures that service congestion does not occur on a forwarding port of the switching apparatus, reduces a delay in forwarding the service and a cost of the switching device, and improves transmission quality of a communication network.

    摘要翻译： 本发明涉及通信传输领域，特别是公开了一种光信道数据单元业务传输装置及方法。 交换装置包括：第一ODU业务处理单元，时隙分配单元，交换输出端口分配单元，以太网交换单元和第二ODU业务处理单元，根据时隙映射表和帧 对应于ODU业务的周期时隙表，提高了设备​​的兼容性，确保了交换设备的转发端口不发生业务拥塞，减少了转发业务的延迟和交换设备的成本，改善了传输 通信网络的质量。

    ETHERNET ENCAPSULATION OVER OPTICAL TRANSPORT NETWORK
    6.
    发明公开
    ETHERNET ENCAPSULATION OVER OPTICAL TRANSPORT NETWORK 审中-公开
    在光传输网络的以太网封装

    公开(公告)号：EP1872497A4

    公开(公告)日：2014-12-24

    申请号：EP06738947

    申请日：2006-03-20

    申请人： CISCO TECH INC

    发明人： LOPRIENO GILBERTO

    IPC分类号： H04J3/16 ,  H04L12/46

    CPC分类号： H04L12/4633 ,  H04J3/1658 ,  H04J2203/0085 ,  H04L2212/00

    摘要： A method and system for encapsulating a frame for transport over an optical transport network are disclosed. A method includes receiving a packet at a network device and encapsulating the packet. The packet is received from a network having a line frequency different than a payload frequency of the optical transport network and the encapsulated packet is configured for transport directly over the optical transport network without modification to compensate for the different frequencies.

    Method and system for optical network smart timer management via delay measurement betweens spans
    7.
    发明公开
    Method and system for optical network smart timer management via delay measurement betweens spans 审中-公开
    通过跨度之间延迟的测量方法和系统，用于光网络智能定时器管理

    公开(公告)号：EP2451099A3

    公开(公告)日：2014-08-20

    申请号：EP11187206.5

    申请日：2011-10-28

    申请人： Ciena Luxembourg S.a.r.l.

    发明人： Madrahalli, Vagish ,  Moynihan, Jeffrey Scott ,  Conklin, Richard ,  Connolly, Matt

    IPC分类号： H04J3/06 ,  H04J14/00

    CPC分类号： H04J3/065 ,  H04J3/0667 ,  H04J2203/0085 ,  H04L43/0858 ,  H04L69/28

    摘要： A method and system for determining timers in an High Level Data Link Control (HDLC) Traffic Manager (HTM) state machine are disclosed. According to one aspect, the invention provides for determining a transit delay between two nodes by sending a first packet having a delay measurement byte to a second node that is on a link between the first node and the second node. The method also includes receiving a second packet with the delay measurement byte from the second node. The delay measurement byte sent by the second node is adjusted by the second node to indicate its receipt by the second node. A measured delay value is determined. The measured delay value is the delay between a time of sending the first packet to the second node and receiving the second packet from the second node. The measured delay value is determined by the hardware of the first node. Upon determining the measured delay value, timer values of the HTM state machine are set based on the measured delay value.

    A METHOD, APPARATUS AND SYSTEM FOR REALIZING TRANSMITTING ETHERNET SIGNAL IN THE OPTICAL TRANSPORT NETWORK
    8.
    发明授权
    A METHOD, APPARATUS AND SYSTEM FOR REALIZING TRANSMITTING ETHERNET SIGNAL IN THE OPTICAL TRANSPORT NETWORK 有权
    方法，装置和系统以太网传输的光纤传输网络ACHIEVING

    公开(公告)号：EP2071753B1

    公开(公告)日：2012-12-12

    申请号：EP08700734.0

    申请日：2008-01-25

    申请人： Huawei Technologies Co., Ltd.

    发明人： CHEN, Ming ,  WU, Qiuyou

    IPC分类号： H04J14/02 ,  H04J3/16

    CPC分类号： H04J3/1658 ,  H04J14/02 ,  H04J14/0227 ,  H04J14/0273 ,  H04J2203/0085

    摘要： A method, apparatus and system for transmitting Ethernet signals in an OTN are provided. The method includes: mapping the Ethernet signals to timeslot units, where a VCG composed of multiple OPUs is divided into the timeslot units; mapping the Ethernet signals into the OPUs, and then mapped into OTUs and output to the OTN for transmitting. In this way, the Ethernet signals are transmitted in the OTN transparently. The apparatus may further include: a first adaptation protocol frame mapping module, a first virtual concatenation module, and a first line terminal module, which convert the Ethernet signals to the OTUs. The system includes a first adaptation protocol frame mapping module, a second adaptation protocol frame mapping module, a first virtual concatenation module, a second virtual concatenation module, a first line terminal module, and a second line terminal module, which convert the Ethernet signals to the OTUs and vice versa.