Method and device for transmitting optical channel transport unit signal
    1.
    发明授权
    Method and device for transmitting optical channel transport unit signal 有权
    用于传输光信道传输单元信号的方法和装置

    公开(公告)号:US08774640B2

    公开(公告)日:2014-07-08

    申请号:US13234991

    申请日:2011-09-16

    IPC分类号: H04B10/30

    CPC分类号: H04J3/1652

    摘要: A method and a device for transmitting an Optical Channel Transport Unit signal are disclosed in the present invention. The method includes: receiving an Optical Channel Transport Unit OTUk signal after photoelectric conversion; wrapping the OTUk signal into an Optical Channel Data Unit (ODU) signal; multiplexing and mapping the ODU signal to an Optical Channel Payload Unit OPUj signal, where the OPUj signal is a High Order signal of the ODU signal; and wrapping the OPUj signal into an ODUj signal and an OTUj signal, and sending the ODUj signal and the OTUj signal. Through the embodiments of the present invention, fully transparent transmission of an OTU signal can be implemented.

    摘要翻译: 在本发明中公开了用于发送光信道传输单元信号的方法和设备。 该方法包括:光电转换后接收光信道传输单元OTUk信号; 将OTUk信号包装到光信道数据单元(ODU)信号中; 将ODU信号复用并映射到光信道有效载荷单元OPUj信号,其中OPUj信号是ODU信号的高阶信号; 并将OPUj信号包装到ODUj信号和OTUj信号中,并发送ODUj信号和OTUj信号。 通过本发明的实施例,可以实现OTU信号的完全透明传输。

    METHOD AND DEVICE FOR TRANSMITTING OPTICAL CHANNEL TRANSPORT UNIT SIGNAL
    2.
    发明申请
    METHOD AND DEVICE FOR TRANSMITTING OPTICAL CHANNEL TRANSPORT UNIT SIGNAL 有权
    用于发送光信道传输单元信号的方法和装置

    公开(公告)号:US20120002671A1

    公开(公告)日:2012-01-05

    申请号:US13234991

    申请日:2011-09-16

    IPC分类号: H04J14/00 H04L12/56

    CPC分类号: H04J3/1652

    摘要: A method and a device for transmitting an Optical Channel Transport Unit signal are disclosed in the present invention. The method includes: receiving an Optical Channel Transport Unit OTUk signal after photoelectric conversion; wrapping the OTUk signal into an Optical Channel Data Unit (ODU) signal; multiplexing and mapping the ODU signal to an Optical Channel Payload Unit OPUj signal, where the OPUj signal is a High Order signal of the ODU signal; and wrapping the OPUj signal into an ODUj signal and an OTUj signal, and sending the ODUj signal and the OTUj signal. Through the embodiments of the present invention, fully transparent transmission of an OTU signal can be implemented.

    摘要翻译: 在本发明中公开了用于发送光信道传输单元信号的方法和设备。 该方法包括:光电转换后接收光信道传输单元OTUk信号; 将OTUk信号包装到光信道数据单元(ODU)信号中; 将ODU信号复用并映射到光信道有效载荷单元OPUj信号,其中OPUj信号是ODU信号的高阶信号; 并将OPUj信号包装到ODUj信号和OTUj信号中,并发送ODUj信号和OTUj信号。 通过本发明的实施例,可以实现OTU信号的完全透明传输。

    Method and device for realizing optical channel data unit shared protection ring
    3.
    发明授权
    Method and device for realizing optical channel data unit shared protection ring 有权
    实现光通道数据单元共享保护环的方法和装置

    公开(公告)号:US09071456B2

    公开(公告)日:2015-06-30

    申请号:US13309312

    申请日:2011-12-01

    摘要: A method and a device for realizing an optical channel data unit (ODU) shared protection ring (SPRing) are disclosed by the present invention. The method includes: A first ODU of a first service transmitted in an optical line is taken as a protection granularity, where the first ODU is an ODUk that is directly multiplexed to the optical line; the first ODU is monitored, and a monitoring result is obtained; when the monitoring result indicates that a failure occurs, a switching is performed through cross of a second ODU of the first service, where the second ODU is an ODUm that is multiplexed to the first ODU, and m is smaller than or equal to k. Through the embodiments of the present invention, a protection switching speed may be accelerated.

    摘要翻译: 本发明公开了一种用于实现光通道数据单元(ODU)共享保护环(SPRing)的方法和设备。 该方法包括:以光线路发送的第一业务的第一ODU作为保护粒度,其中第一ODU是直接复用到光线路的ODUk; 监控第一个ODU,并获得监控结果; 当监视结果表示发生故障时,通过第一业务的第二ODU交叉进行交换,其中第二ODU是复用到第一ODU的ODUm,m小于或等于k。 通过本发明的实施例,可以加速保护切换速度。

    Method and apparatus for mapping and de-mapping in an optical transport network
    4.
    发明授权
    Method and apparatus for mapping and de-mapping in an optical transport network 有权
    在光传输网络中映射和解映射的方法和装置

    公开(公告)号:US08948205B2

    公开(公告)日:2015-02-03

    申请号:US12712675

    申请日:2010-02-25

    IPC分类号: H04J3/00 H04J3/16

    摘要: The embodiments of the present invention disclose method and apparatus for mapping and de-mapping in an optical transport network, where the mapping method includes: constructing an Optical Channel Data Tributary Unit (ODTU) according to an amount M of time slots of a High Order Optical Channel Payload Unit (HO OPU) to be occupied by a Low Order Optical Channel Data Unit (LO ODU); mapping the LO ODU to a payload area of the ODTU in a M-byte granularity; encapsulating overhead information to the overhead area of the ODTU; and multiplexing the ODTU, which has been mapped the LO ODU and encapsulated with the overhead information, to the HO OPU, so as to provide a high-efficient and universal mode for mapping the LO ODU to the HO OPU.

    摘要翻译: 本发明的实施例公开了一种在光传输网络中映射和解映射的方法和装置,其中所述映射方法包括:根据高阶时隙的量M来构造光信道数据支路单元(ODTU) 光通道有效负载单元(HO OPU)由低阶光通道数据单元(LO ODU)占用; 将OD ODU以M字节粒度映射到ODTU的有效负载区域; 将开销信息封装到ODTU的开销区域; 并将已经映射到LO ODU并被封装的开销信息的ODTU复用到HO OPU,以提供用于将LO ODU映射到HO OPU的高效和通用的模式。

    Method, system, and device for transmitting data in optical transport network
    5.
    发明授权
    Method, system, and device for transmitting data in optical transport network 有权
    用于在光传输网络中传输数据的方法,系统和设备

    公开(公告)号:US08422515B2

    公开(公告)日:2013-04-16

    申请号:US12853579

    申请日:2010-08-10

    IPC分类号: H04J3/16 H04J3/22

    摘要: A method, a system, and a device for transmitting data in an OTN are disclosed herein. The method for transmitting data in an OTN includes: mapping the at least one pair of ODU0's to an ODTU to form an ODTUvkt, wherein k is greater than or equal to 1, t is 2 or 3, and an external structure of the ODTUvkt is the same as an external structure of an ODTUkt; and mapping the ODTUvkt to timeslot i and timeslot i+n of a 1.25 G ODUt, indicating the type of at least one pair of ODU0's carried in timeslot i to be ODUk, and transmitting the ODUk to a destination node.

    摘要翻译: 本文公开了一种在OTN中传输数据的方法,系统和设备。 用于在OTN中发送数据的方法包括:将至少一对ODU0映射到ODTU以形成ODTUvkt,其中k大于或等于1,t为2或3,并且ODTUvkt的外部结构为 与ODTUkt的外部结构相同; 并将ODTUvkt映射到1.25G ODUt的时隙i和时隙i + n,指示时隙i中携带的至少一对ODU0的类型为ODUk,并将ODUk发送到目的地节点。

    METHOD, SYSTEM, AND DEVICE FOR TRANSMITTING DATA IN OPTICAL TRANSPORT NETWORK
    6.
    发明申请
    METHOD, SYSTEM, AND DEVICE FOR TRANSMITTING DATA IN OPTICAL TRANSPORT NETWORK 有权
    用于在光传输网络中传输数据的方法,系统和设备

    公开(公告)号:US20100303464A1

    公开(公告)日:2010-12-02

    申请号:US12853579

    申请日:2010-08-10

    IPC分类号: H04J14/08

    摘要: A method, a system, and a device for transmitting data in an OTN are disclosed herein. The method for transmitting data in an OTN includes: mapping the at least one pair of ODU0's to an ODTU to form an ODTUvkt, wherein k is greater than or equal to 1, t is 2 or 3, and an external structure of the ODTUvkt is the same as an external structure of an ODTUkt; and mapping the ODTUvkt to timeslot i and timeslot i+n of a 1.25 G ODUt, indicating the type of at least one pair of ODU0's carried in timeslot i to be ODUk, and transmitting the ODUk to a destination node.

    摘要翻译: 本文公开了一种在OTN中传输数据的方法,系统和设备。 用于在OTN中发送数据的方法包括:将至少一对ODU0映射到ODTU以形成ODTUvkt,其中k大于或等于1,t为2或3,并且ODTUvkt的外部结构为 与ODTUkt的外部结构相同; 并将ODTUvkt映射到1.25G ODUt的时隙i和时隙i + n,指示时隙i中携带的至少一对ODU0的类型为ODUk,并将ODUk发送到目的地节点。

    METHOD AND DEVICE FOR REALIZING OPTICAL CHANNEL DATA UNIT SHARED PROTECTION RING
    7.
    发明申请
    METHOD AND DEVICE FOR REALIZING OPTICAL CHANNEL DATA UNIT SHARED PROTECTION RING 有权
    用于实现光通道数据单元共享保护环的方法和设备

    公开(公告)号:US20120076488A1

    公开(公告)日:2012-03-29

    申请号:US13309312

    申请日:2011-12-01

    IPC分类号: H04J14/00 H04B17/00

    摘要: A method and a device for realizing an optical channel data unit (ODU) shared protection ring (SPRing) are disclosed by the present invention. The method includes: A first ODU of a first service transmitted in an optical line is taken as a protection granularity, where the first ODU is an ODUk that is directly multiplexed to the optical line; the first ODU is monitored, and a monitoring result is obtained; when the monitoring result indicates that a failure occurs, a switching is performed through cross of a second ODU of the first service, where the second ODU is an ODUm that is multiplexed to the first ODU, and m is smaller than or equal to k. Through the embodiments of the present invention, a protection switching speed may be accelerated.

    摘要翻译: 本发明公开了一种用于实现光通道数据单元(ODU)共享保护环(SPRing)的方法和设备。 该方法包括:以光线路发送的第一业务的第一ODU作为保护粒度,其中第一ODU是直接复用到光线路的ODUk; 监控第一个ODU,并获得监控结果; 当监视结果表示发生故障时,通过第一业务的第二ODU交叉进行交换,其中第二ODU是复用到第一ODU的ODUm,m小于或等于k。 通过本发明的实施例,可以加速保护切换速度。

    Method and apparatus for mapping and de-mapping in an optical transport network
    8.
    发明申请
    Method and apparatus for mapping and de-mapping in an optical transport network 有权
    在光传输网络中映射和解映射的方法和装置

    公开(公告)号:US20100226652A1

    公开(公告)日:2010-09-09

    申请号:US12712675

    申请日:2010-02-25

    IPC分类号: H04J14/08

    摘要: The embodiments of the present invention disclose method and apparatus for mapping and de-mapping in an optical transport network, where the mapping method includes: constructing an Optical Channel Data Tributary Unit (ODTU) according to an amount M of time slots of a High Order Optical Channel Payload Unit (HO OPU) to be occupied by a Low Order Optical Channel Data Unit (LO ODU); mapping the LO ODU to a payload area of the ODTU in a M-byte granularity; encapsulating overhead information to the payload area of the ODTU; and multiplexing the ODTU, which has been mapped the LO ODU and encapsulated with the overhead information, to the HO OPU, so as to provide a high-efficient and universal mode for mapping the LO ODU to the HO OPU.

    摘要翻译: 本发明的实施例公开了一种在光传输网络中映射和解映射的方法和装置,其中所述映射方法包括:根据高阶时隙的量M来构造光信道数据支路单元(ODTU) 光通道有效负载单元(HO OPU)由低阶光通道数据单元(LO ODU)占用; 将OD ODU以M字节粒度映射到ODTU的有效负载区域; 将开销信息封装到ODTU的有效载荷区域; 并将已经映射到LO ODU并被封装的开销信息的ODTU复用到HO OPU,以提供用于将LO ODU映射到HO OPU的高效和通用的模式。

    Lossless adjustment method of ODUflex channel bandwidth and ODUflex channel
    9.
    发明授权
    Lossless adjustment method of ODUflex channel bandwidth and ODUflex channel 有权
    ODUflex通道带宽和ODUflex通道的无损调整方法

    公开(公告)号:US09209922B2

    公开(公告)日:2015-12-08

    申请号:US13315525

    申请日:2011-12-09

    IPC分类号: H04J3/16

    摘要: The embodiments of the present application relate to the field of communications technologies, and disclose a method for adjusting bandwidth of a flexible Optical channel Data Unit (ODUflex) channel. The method includes: respectively adjusting, according to a bandwidth adjustment indication message, a quantity of time slots occupied by an ODUflex frame in a higher order optical channel data unit (HO ODU) at an egress side of each network node on an ODUflex channel; and adjusting, according to a rate adjustment indication message, a transmission rate of the ODUflex frame of each network node on the ODUflex channel, so as to unify the transmission rate of each network node on the ODUflex channel.

    摘要翻译: 本申请的实施例涉及通信技术领域,并且公开了一种用于调整灵活光通道数据单元(ODUflex)信道的带宽的方法。 该方法包括:根据带宽调整指示消息分别在ODUflex信道上的每个网络节点的出口侧的高阶光信道数据单元(HO ODU)中分配由ODUflex帧占用的时隙量; 根据速率调整指示消息,调整ODUflex信道上每个网络节点的ODUflex帧的传输速率,以便统一ODUflex信道上每个网络节点的传输速率。

    Method and apparatus for transporting client signals in an optical transport network
    10.
    发明授权
    Method and apparatus for transporting client signals in an optical transport network 有权
    用于在光传输网络中传送客户端信号的方法和装置

    公开(公告)号:US08824505B2

    公开(公告)日:2014-09-02

    申请号:US13281280

    申请日:2011-10-25

    申请人: Limin Dong Qiuyou Wu

    发明人: Limin Dong Qiuyou Wu

    IPC分类号: H04J3/24 H04J3/16 H04J3/02

    摘要: Method and apparatus for transporting client signals in an OTN are illustrated. In one embodiment, the method includes: receiving a client signal; determining a quantity of n-bit data units of the client signal based on a clock of the client signal and a local clock; mapping the quantity of n-bit data units of the client signal to an overhead of a first Optical Channel Data Tributary Unit (ODTU) frame; mapping the n-bit data units of the client signal to a payload area of a second ODTU frame next to the first ODTU frame according to the quantity of n-bit data units mapped in the overhead of the first ODTU frame; mapping each n-bit data unit of the second ODTU frame to an Optical Channel Payload Unit-k Tributary Slot (OPUk TS) in an OPUk frame; and forming an Optical Channel Transport Unit-k (OTUk) frame including the OPUk frame for transmission.

    摘要翻译: 示出了在OTN中传送客户端信号的方法和装置。 在一个实施例中,该方法包括:接收客户端信号; 基于客户信号和本地时钟的时钟确定客户端信号的n位数据单元的数量; 将客户端信号的n位数据单元的数量映射到第一光信道数据支路单元(ODTU)帧的开销; 根据映射在第一ODTU帧的开销中的n位数据单元的数量,将客户端信号的n位数据单元映射到第一ODTU帧旁边的第二ODTU帧的净荷区域; 将第二ODTU帧的每个n位数据单元映射到OPUk帧中的光信道有效负载单元k支持时隙(OPUk TS); 以及形成包括用于传输的OPUk帧的光信道传输单元k(OTUk)帧。