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1. 发明授权

US09948397B2 Data mapping method and device for optical transport network 有权
公开(公告)号：US09948397B2
公开(公告)日：2018-04-17
申请号：US14432262
申请日：2013-08-22
申请人： ZTE Corporation
发明人： Xihua Fu , Huitao Wang , Xinling Zhang
IPC分类号： H04J14/02 , H04B10/27 , H04J3/16
CPC分类号： H04B10/27 , H04J3/1664
摘要： A data mapping method and a data mapping device for an optical transport network are provided. The method includes: mapping packet service data or constant bit rate data to a Super Optical Channel Data Unit (ODUS) and mapping the ODUS to a Super Optical Channel Transport Unit (OTUS); distributing the OTUS to a plurality of electrical lane signals, dividing the plurality of electrical lane signals into one or more groups and mapping the one or more groups of electrical lane signals to corresponding Super Optical Channels (OChSi), wherein rates of the ODUS and the OTUS are both N times of 100 Gb/s, a rate of the OChSi is M times of 100 Gb/s, tributary slot sizes of the ODUS and the OTUS are both 100 Gb/s, where N is a positive integer equal to or greater than 2, i is a positive integer, and M is a positive integer equal to or greater than 1 but less than N. The present document enables an operator to deploy a beyond-100 G optical transmission system more flexibly, without being limited to select a fixed rate, and improves the spectrum utilization rate of fiber as well as the flexibility and the compatibility of a system.

2. 发明授权

US09537603B2 Channel establishment method and device 有权
标题翻译：通道建立方法和设备
公开(公告)号：US09537603B2
公开(公告)日：2017-01-03
申请号：US14404749
申请日：2013-05-06
申请人： ZTE Corporation
发明人： Xihua Fu , Xinling Zhang
IPC分类号： H04J14/02 , H04L12/721 , H04L12/803 , H04Q11/00
CPC分类号： H04J14/0257 , H04L45/62 , H04L47/125 , H04Q11/0066 , H04Q2011/0016 , H04Q2011/0086
摘要： A channel establishment method and device are provided. The method includes: establishing a media channel between a first node and a second node; establishing a signal channel between a third node and a fourth node after the media channel is established, the signal channel passes a frequency slot matrix of one or more intermediate nodes between the third node and the fourth node and a traffic engineering link between any two nodes; and allocating frequency spectrum to the signal channel from available frequency spectrum of the traffic engineering link, wherein the frequency spectrum allocated includes multiple split 50 GHz frequency spectrums which bear one optical channel and each of which only includes single optical carrier. The solution addresses the problem of how to effectively plan and manage frequency spectrum for an introduced flexible grid technology, improves waveband spectrum efficiency and achieves the compatibility to 50 GHz transmission technology of existing DWDM systems.
摘要翻译：提供了一种信道建立方法和设备。该方法包括：在第一节点和第二节点之间建立媒体信道; 在媒体信道建立之后，在第三节点和第四节点之间建立信号信道，信号信道通过第三节点和第四节点之间的一个或多个中间节点的频率空间矩阵，以及任何两个节点之间的业务工程链路 ; 以及从业务工程链路的可用频谱向信号信道分配频谱，其中分配的频谱包括承载一个光信道并且每个仅包括单个光载波的多个分离的50GHz频谱。该解决方案解决了如何有效地规划和管理引入的灵活网格技术的频谱问题，提高了波段频谱效率，实现了与现有DWDM系统的50 GHz传输技术的兼容性。

3. 发明申请

US20150333861A1 CHANNEL ESTABLISHMENT METHOD AND DEVICE 有权
标题翻译：频道建立方法和设备
公开(公告)号：US20150333861A1
公开(公告)日：2015-11-19
申请号：US14404923
申请日：2013-05-06
申请人： ZTE CORPORATION
发明人： Xihua Fu , Xinling Zhang
IPC分类号： H04J14/02 , H04Q11/00
CPC分类号： H04J14/0227 , H04J2203/0069 , H04Q11/0062 , H04Q2011/0064
摘要： A channel establishment method and device are provided. The method includes: establishing a media channel between a first node and a second node; establishing a signal channel between a third node and a fourth node after the media channel is established, wherein the signal channel passes a frequency slot matrix of one or more intermediate nodes between the third node and the fourth node and a traffic engineering link between any two nodes; and allocating frequency spectrum to the signal channel from available frequency spectrum of the traffic engineering link, wherein the frequency spectrum includes multiple split frequency spectrums which bear one optical channel and each of which contains a plurality of optical carriers or only contains a single optical carrier. The solution can address the problem as to how to effectively plan and manage frequency spectrum for an introduced flexible grid technology and improve waveband frequency spectrum efficiency.
摘要翻译：提供了一种信道建立方法和设备。该方法包括：在第一节点和第二节点之间建立媒体信道; 在媒体信道建立之后，在第三节点和第四节点之间建立信道，其中信号信道通过第三节点和第四节点之间的一个或多个中间节点的频率空间矩阵，以及任何两个节点; 以及从所述业务工程链路的可用频谱向所述信号信道分配频谱，其中所述频谱包括承载一个光信道并且每个包含多个光载波或仅包含单个光载波的多个分频频谱。该解决方案可以解决如何有效地规划和管理引入灵活网格技术的频谱问题，提高波段频谱效率。

4. 发明申请

US20150256258A1 DATA MAPPING METHOD AND DEVICE FOR OPTICAL TRANSPORT NETWORK 有权
标题翻译：光学传输网络的数据映射方法和设备
公开(公告)号：US20150256258A1
公开(公告)日：2015-09-10
申请号：US14432262
申请日：2013-08-22
申请人： ZTE Corporation
发明人： Xihua Fu , Huitao Wang , Xinling Zhang
IPC分类号： H04B10/27
CPC分类号： H04B10/27 , H04J3/1664
摘要： A data mapping method and a data mapping device for an optical transport network are provided. The method includes: mapping packet service data or constant bit rate data to a Super Optical Channel Data Unit (ODUS) and mapping the ODUS to a Super Optical Channel Transport Unit (OTUS); distributing the OTUS to a plurality of electrical lane signals, dividing the plurality of electrical lane signals into one or more groups and mapping the one or more groups of electrical lane signals to corresponding Super Optical Channels (OChSi), wherein rates of the ODUS and the OTUS are both N times of 100 Gb/s, a rate of the OChSi is M times of 100 Gb/s, tributary slot sizes of the ODUS and the OTUS are both 100 Gb/s, where N is a positive integer equal to or greater than 2, i is a positive integer, and M is a positive integer equal to or greater than 1 but less than N. The present document enables an operator to deploy a beyond-100 G optical transmission system more flexibly, without being limited to select a fixed rate, and improves the spectrum utilization rate of fiber as well as the flexibility and the compatibility of a system.
摘要翻译：提供了一种用于光传输网络的数据映射方法和数据映射设备。该方法包括：将分组业务数据或恒定比特率数据映射到超光信道数据单元（ODUS），并将ODUS映射到超光信道传输单元（OTUS）; 将所述OTUS分配到多个电通道信号，将所述多个电通道信号分成一组或多组，并将所述一组或多组电通道信号映射到相应的超光通道（OChSi），其中所述ODUS和 OTUS都是100Gb / s的N倍，OChSi的速率是100Gb / s的M倍，ODUS和OTUS的支路时隙大小都是100Gb / s，其中N是等于或等于大于2，i是正整数，M是等于或大于1但小于N的正整数。本文档使操作员能够更灵活地部署超100G光传输系统，而不限于选择固定速率，提高光纤的频谱利用率以及系统的灵活性和兼容性。

5. 发明授权

US09979487B2 Method for processing optical signal, optical signal sending node and optical node 有权
公开(公告)号：US09979487B2
公开(公告)日：2018-05-22
申请号：US14904400
申请日：2013-11-19
申请人： ZTE Corporation
发明人： Xihua Fu , Xinling Zhang
IPC分类号： H04B10/20 , H04B10/08 , H04B17/00 , H04J14/02 , H04L12/26 , H04B10/27
CPC分类号： H04B10/27 , H04B2210/072 , H04J14/0227 , H04J14/0256 , H04J14/0257 , H04J14/026
摘要： Provided are a method for processing an OS. The method includes: an OS sending node inserts OCh information into an overhead of an OMS of an OS; and/or, the OS sending node inserts the OCh information and optical carrier information into an OCh overhead of the OS, wherein the OCh information includes an identifier of the OCh, an NCF of an effective frequency slot of a media channel and a slot width of the effective frequency slot of the media channel, and a frequency slice granularity, and the optical carrier information includes: the number of optical carriers in the media channel, bit rates of the optical carriers in the media channel, modulation formats of the optical carriers in the media channel, NCFs of the optical carriers in the media channel, slot widths of the optical carriers in the media channel and a multiplexing method for the optical carriers.

6. 发明授权

US09847859B2 Data mapping and multiplexing method and device and data demultiplexing and demapping method and device 有权
公开(公告)号：US09847859B2
公开(公告)日：2017-12-19
申请号：US14768324
申请日：2014-02-13
申请人： ZTE Corporation
发明人： Xihua Fu , Xinling Zhang
IPC分类号： H04L5/00 , H04J14/02 , H04Q11/00 , H04J3/16
CPC分类号： H04L5/0046 , H04J3/1658 , H04J14/0224 , H04J14/0227 , H04J14/0256 , H04L5/0053 , H04Q11/0066 , H04Q2011/0086
摘要： Provided are a method and device for mapping, multiplexing, demapping and demultiplexing data are provided. The method includes: mapping an Ethernet service data stream the rate of which is m*100 Gb/s sequentially into m Optical Payload Unit Sub-frames (OPUC) and multiplexing the m OPUC into an Optical Payload Unit Frame (OPUCm) the rate of which is m*100 Gb/s according to the way of byte interleave; and adding an Optical Channel Data Unit (ODU) overhead to the head of the OPUCm to obtain an Optical Channel Data Unit Frame (ODUCm) the rate of which is m*100 Gb/s, wherein the frame structure of the OPUC consists of 4 rows and 3810 columns; the frame structure of the OPUCm consists of 4 rows and 3810*m columns; and the frame structure of the ODUCm consists of 4 rows and 3824*m columns, wherein m is a positive integer. The present disclosure improves the spectrum efficiency of optical fibers and the systematic flexibility and the compatibility.

7. 发明授权

US09667375B2 Channel establishment method and device 有权
公开(公告)号：US09667375B2
公开(公告)日：2017-05-30
申请号：US14404923
申请日：2013-05-06
申请人： ZTE CORPORATION
发明人： Xihua Fu , Xinling Zhang
IPC分类号： H04J14/02 , H04Q11/00
CPC分类号： H04J14/0227 , H04J2203/0069 , H04Q11/0062 , H04Q2011/0064
摘要： A channel establishment method and device are provided. The method includes: establishing a media channel between a first node and a second node; establishing a signal channel between a third node and a fourth node after the media channel is established, wherein the signal channel passes a frequency slot matrix of one or more intermediate nodes between the third node and the fourth node and a traffic engineering link between any two nodes; and allocating frequency spectrum to the signal channel from available frequency spectrum of the traffic engineering link, wherein the frequency spectrum includes multiple split frequency spectrums which bear one optical channel and each of which contains a plurality of optical carriers or only contains a single optical carrier. The solution can address the problem as to how to effectively plan and manage frequency spectrum for an introduced flexible grid technology and improve waveband frequency spectrum efficiency.

8. 发明授权

US09479283B2 Channel establishment method and device 有权
标题翻译：通道建立方法和设备
公开(公告)号：US09479283B2
公开(公告)日：2016-10-25
申请号：US14403991
申请日：2013-05-14
申请人： ZTE CORPORATION
发明人： Xihua Fu , Xinling Zhang
IPC分类号： H04J14/02
CPC分类号： H04J14/0241 , H04J14/02 , H04J14/0257 , H04J14/0267
摘要： A channel establishment method and device are provided. The method includes: establishing a media channel between a first node and a second node, wherein the first node is the source node of the media channel, the second node is the destination node of the media channel, and the media channel passes the frequency slot matrix of the one or more intermediate nodes between the first node and the second node and the optical fiber between any two nodes; and allocating frequency spectrum to the media channel from the available frequency spectrum of the optical fiber, wherein the media channel supports at least one single signal frequency slot. The solution can address the problem of how to effectively plan and manage frequency spectrum for an introduced flexible grid technology.
摘要翻译：提供了一种信道建立方法和设备。该方法包括：在第一节点和第二节点之间建立媒体信道，其中第一节点是媒体信道的源节点，第二节点是媒体信道的目的节点，媒体信道通过频率在第一节点和第二节点之间的一个或多个中间节点的矩阵和任何两个节点之间的光纤; 以及从所述光纤的可用频谱向所述媒体信道分配频谱，其中所述媒体信道支持至少一个单个信号频率时隙。该解决方案可以解决如何有效地规划和管理引进灵活网格技术的频谱问题。

9. 发明授权

US09906323B2 Method and device for mapping and demapping data 有权
公开(公告)号：US09906323B2
公开(公告)日：2018-02-27
申请号：US14768662
申请日：2014-02-13
申请人： ZTE Corporation
发明人： Xihua Fu , Xinling Zhang
IPC分类号： H04J14/02 , H04L5/00 , H04J3/16
CPC分类号： H04J14/0239 , H04J3/1652 , H04J14/02 , H04J14/0273 , H04L5/0053
摘要： Provided are a method and device for mapping and demapping of data. The method comprises: an OTUCnAG comprising an ODUCn with a rate of n*100 gigabits per second to which is added an OTU overhead, is divided according to a byte-interleaving scheme into multiple OTUCmTG; the OTUCmTG respectively are each mapped to a corresponding OCh, and data in the OCh is born on continuous frequency slots for transmission, wherein the rate of the OTUCnAG is n*100 gigabits per second, the rate of the OTUCmTG is m*100 gigabits per second, both m and n are positive integers, and m less than or equal to n. The disclosure increases optical fibre spectrum utilization efficiency and system flexibility and compatibility.

10. 发明授权

US09847847B2 Method and device for managing optical channel overhead and optical signal receiving node 有权
公开(公告)号：US09847847B2
公开(公告)日：2017-12-19
申请号：US14768246
申请日：2014-02-07
申请人： ZTE Corporation
发明人： Xihua Fu , Xinling Zhang
IPC分类号： H04J14/02 , H04Q11/00 , H04B10/25 , H04J3/16
CPC分类号： H04J14/0239 , H04B10/25 , H04J3/1652 , H04J14/02 , H04J14/0273 , H04Q11/0003 , H04Q11/0066 , H04Q2011/0086
摘要： Disclosed are a method and device for managing optical channel overhead, and an optical signal receiving node. The method comprises: optical channel overhead information is structured, wherein the optical channel overhead information comprises at least one of the following: the optical channel nominal central frequency, the optical channel application code, and the optical channel trail trace identifier; and the optical channel overhead information is sent to the optical signal receiving node. The disclosure solves the technical problem in the related art of an inability to negotiate a single, unified optical channel nominal central frequency and application code between the optical transmitter and the optical receiver, i.e. the disclosure enables an optical transmitter and the optical receiver to negotiate such the nominal central frequency and application code, thereby achieving the technical result of an optical signal being correctly sent and received.

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