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1. 发明公开

EP3480980A1 OPTICAL ADD/DROP MULTIPLEXER, CONTROL METHOD THEREFOR, AND TRANSCEIVER 有权
公开(公告)号：EP3480980A1
公开(公告)日：2019-05-08
申请号：EP16909255.8
申请日：2016-07-22
申请人： Huawei Technologies Co., Ltd.
发明人： WANG, Jing , LIU, Ning
IPC分类号： H04J14/02
摘要： Embodiments of the present invention provide an optical add/drop multiplexer, including a plurality of tunable optical add/drop multiplexers T-OADMs. Each T-OADM includes a second wavelength control unit and two grating-assisted filters GAFs. The second wavelength control unit is connected to a second GAF. A drop port of a first GAF is connected to an input port of the second GAF. An add port of the first GAF is connected to an output port of the second GAF. An input port of the first GAF receives light waves of a plurality of wavelengths. The first GAF transmits a first light wave to the input port of the second GAF through the drop port of the first GAF. The second wavelength control unit changes a dropped spectrum of the second GAF based on first amplitude of wavelength shift, to obtain a first light wave response. A drop port of the second GAF outputs a first target light wave of a first target bandwidth. The embodiments of the present invention further provide a control method for an optical add/drop multiplexer and a transceiver.

2. 发明授权

EP2750314B1 METHOD, APPARATUS AND SYSTEM FOR TRANSMITTING AND RECEIVING SERVICE DATA 有权
标题翻译：发送和接收服务数据的方法，装置和系统
公开(公告)号：EP2750314B1
公开(公告)日：2018-02-14
申请号：EP12742712.8
申请日：2012-03-30
申请人： Huawei Technologies Co., Ltd.
发明人： MA, Teng , CHEN, Zihuan , LIU, Ning
IPC分类号： H04L1/00 , H04L27/00
CPC分类号： H04L27/0008 , H04L1/0003 , H04L1/0082 , H04L27/0012
摘要： Embodiments of the present invention disclose a method, an apparatus, and a system for sending and receiving service data, where the method includes: first, obtaining, by a sending end, a target modulation mode different from a current modulation mode; and then, generating, by the sending end, invalid data, and temporarily storing service data at the same time; and then, performing encapsulation and mapping on the invalid data, switching the current modulation mode to the target modulation mode, modulating encapsulated and mapped invalid data according to the target modulation mode, and sending modulated invalid data to a receiving end; and finally, after the sending end completes the encapsulation and mapping on the invalid data, obtaining, by the sending end, the temporarily stored service data, performing encapsulation and mapping on the temporarily stored service data, modulating encapsulated and mapped service data according to the target modulation mode, and sending modulated service data to the receiving end. The present invention applies to the field of network systems.

3. 发明授权

EP2849389B1 METHOD AND APPARATUS FOR ALLOCATING BANDWIDTH RESOURCES 有权
标题翻译：方法和设备分配带宽资源
公开(公告)号：EP2849389B1
公开(公告)日：2017-02-22
申请号：EP12761437.8
申请日：2012-05-25
申请人： Huawei Technologies Co., Ltd.
发明人： HAN, Jianrui , LIU, Ning , QIU, Yang
IPC分类号： H04L12/911 , H04L12/24
CPC分类号： H04L41/0896

4. 发明公开

EP2983309A1 NODE DEVICE 有权
标题翻译： KNOTENVORRICHTUNG
公开(公告)号：EP2983309A1
公开(公告)日：2016-02-10
申请号：EP13882321.6
申请日：2013-04-16
申请人： Huawei Technologies Co., Ltd.
发明人： ZHAO, Han , ZONG, Liangjia , LIU, Ning
IPC分类号： H04B10/032 , H04J14/02 , G02B6/293
CPC分类号： H04J14/0297 , H04B10/032 , H04J14/0212 , H04J14/0221 , H04Q11/0005 , H04Q11/0066 , H04Q2011/0015 , H04Q2011/0016 , H04Q2011/0081
摘要： The present invention provides a node apparatus, where two N x N wavelength selective switches are used to form a parallel-connected structure, and two ends of each power splitter are separately connected to input ends of the N x N wavelength selective switches, and two ends of each power combiner are separately connected to output ends of the N x N wavelength selective switches, thereby transferring route switching selection work originally performed between multiple 1 x M wavelength selective switches to the inside of the N x N wavelength selective switch for implementation. Compared with an original structure using discrete components, the node apparatus is simplified, and when a traffic volume expands, the number of module slots on a line side does not need to be increased, thereby reducing usage costs eventually. The present invention is used for signal transmission in a node.
摘要翻译：本发明提供了一种节点装置，其中使用两个N×N个波长选择开关来形成并联结构，并且每个功率分配器的两端分别连接到N×N个波长选择开关的输入端，并且两个每个功率合成器的端部分别连接到N×N个波长选择开关的输出端，从而将最初在多个1×M波长选择开关之间执行的路由切换选择工作传送到N×N波长选择开关的内部，以实现。与使用离散组件的原始结构相比，节点设备简化，当流量扩大时，线路侧的模块插槽数量不需要增加，从而最终降低使用成本。本发明用于节点中的信号传输。

5. 发明公开

EP2863671A1 SPECTRUM BANDWIDTH ALLOCATION METHOD AND DEVICE 有权
标题翻译：频谱带宽分配方法和装置
公开(公告)号：EP2863671A1
公开(公告)日：2015-04-22
申请号：EP12880709.6
申请日：2012-07-02
申请人： Huawei Technologies Co., Ltd.
发明人： LIU, Ning , ZI, Xiaobing
IPC分类号： H04W16/12
CPC分类号： H04J14/0267 , H04J14/0256
摘要： The present invention provides a spectrum bandwidth allocation method and device. In the method and device, for a new service to be added, whether a path of the new service is the same as a path of existing services needs to be determined, and if yes, a spectrum bandwidth occupied by a channel of a service having the same path is determined in the existing services, an idle spectrum bandwidth that is adjacent to the spectrum bandwidth and meets a requirement of adding the new service is selected, and then spectrum bandwidth in an adjacent part of the spectrum bandwidth is allocated to the new service, and a guard band between channels of two services having a same path is narrower than a guard band between channels of two services having different paths. In the technical solutions of embodiments of the present invention, spectrum bandwidths occupied by channels of services having a same path are connected in series by using a relatively small spectrum bandwidth that serves as a guard band, which obviously improves a utilization rate of a spectrum bandwidth in an optical communications network.
摘要翻译：本发明提供了一种频谱带宽分配方法和装置。该方法和装置中，对于需要增加的新业务，需要确定新业务的路径是否与现有业务的路径相同，如果是，则确定业务的信道占用的频谱带宽在现有业务中确定相同的路径，选择与频谱带宽相邻且符合添加新业务要求的空闲频谱带宽，然后将频谱带宽的相邻部分的频谱带宽分配给新的业务，两路业务信道间具有相同路径的保护频带比具有不同路径的两路业务信道间的保护频带窄。在本发明实施例的技术方案中，通过使用相对较小的作为保护带的频谱带宽，将具有相同路径的业务的信道所占用的频谱带宽串联，明显提高了频谱带宽的利用率在光通信网络中。

6. 发明公开

EP4075459A1 INDUCTOR, VOLTAGE CONVERSION CIRCUIT AND ELECTRONIC DEVICE 审中-公开
公开(公告)号：EP4075459A1
公开(公告)日：2022-10-19
申请号：EP20915589.4
申请日：2020-01-20
申请人： Huawei Technologies Co., Ltd.
发明人： HU, Zhangrong , LIU, Xin , LIU, Ning , LIU, Tiejun
IPC分类号： H01F27/28
摘要： Embodiments of this application provide an inductor, a voltage conversion circuit, and an electronic device, and relate to the field of electronic technologies. The inductor includes a magnetic core (X), and a first coil (L01) and a second coil (L02) that are wound around the magnetic core (X). The first coil (L01) and the second coil (L02) are connected in series between a first end and a second end of the inductor, and a pair of undotted terminals of the first coil (L01) and the second coil (L02) are coupled.

7. 发明公开

EP3402094A1 OPTICAL REFLECTIVE MULTIPLEXER CHIP, LASER TRANSMITTER CHIP AND OPTICAL TRANSMITTER 有权
公开(公告)号：EP3402094A1
公开(公告)日：2018-11-14
申请号：EP16888646.3
申请日：2016-02-02
申请人： Huawei Technologies Co., Ltd.
发明人： WANG, Tao , LIU, Ning
IPC分类号： H04B10/00 , H04B10/50 , H04J14/02
CPC分类号： H04B10/00 , H04B10/50 , H04J14/02
摘要： An optical reflective multiplexer chip (42), a laser transmitter chip (40), and an optical transmitter (4) are disclosed, to resolve a problem that currently a colorless optical transmitter (4) based on a self-injection locking technology has high costs. The optical transmitter (4) includes: the laser transmitter chip (40), an optical fiber (41), and the optical reflective multiplexer chip (42). The laser transmitter chip (40) includes a bi-directional light emitting laser (400), a polarization splitter-rotator (401), and a first external port (402). The optical reflective multiplexer chip (42) includes a combiner (420), a second external port (421), N third external ports (422), N microring resonant cavities (423), N polarization splitter-rotators (424), N first branch waveguides (425), and N second branch waveguides (426), where N is a positive integer and is greater than or equal to 1. The combiner (420) is connected to the first branch waveguide (425), the second branch waveguide (426), and the second external port (421). The first external port (402) is connected to the third external port (422) by using the optical fiber (41).

8. 发明授权

EP2518914B1 COHERENT RECEIVER DEVICE AND CHROMATIC DISPERSION COMPENSATION METHOD 有权
标题翻译：相干接收器的装置和方法补偿色散
公开(公告)号：EP2518914B1
公开(公告)日：2013-10-23
申请号：EP11849899.7
申请日：2011-08-01
申请人： Huawei Technologies Co. Ltd.
发明人： LIU, Ning
IPC分类号： H04B10/61 , H04B10/2513
CPC分类号： H04B10/25133 , H04B10/6161 , H04B2210/252

9. 发明公开

EP4148549A1 DISTRIBUTED STORAGE SYSTEM, ABNORMALITY PROCESSING METHOD THEREFOR, AND RELATED DEVICE 审中-实审
公开(公告)号：EP4148549A1
公开(公告)日：2023-03-15
申请号：EP21822660.3
申请日：2021-05-24
申请人： Huawei Technologies Co., Ltd.
发明人： JI, Zhigang , LIU, Ning
IPC分类号： G06F3/06 , H04L12/26 , H04L12/24
摘要： This application discloses a distributed storage system, applied to the field of storage technologies. The distributed storage system includes a first access device and a plurality of nodes. The plurality of nodes include a first node and a second node, the first node accesses the first access device, and the first node is a storage node, a compute node, or a control node. The first access device is configured to: detect a status of the first node, and send a first notification message to the second node when the status of the first node meets a preset condition, where the first notification message includes an identifier of the first node and status information of the first node. The second node is configured to: receive the first notification message, and perform a processing operation based on the first notification message. According to this application, exception detection efficiency of the distributed storage system can be improved, and reliability of the distributed storage system can be further improved.

10. 发明授权

EP2983309B1 NODE DEVICE 有权
公开(公告)号：EP2983309B1
公开(公告)日：2018-06-13
申请号：EP13882321.6
申请日：2013-04-16
申请人： Huawei Technologies Co., Ltd.
发明人： ZHAO, Han , ZONG, Liangjia , LIU, Ning
IPC分类号： H04J14/02 , H04Q11/00
CPC分类号： H04J14/0297 , H04B10/032 , H04J14/0212 , H04J14/0221 , H04Q11/0005 , H04Q11/0066 , H04Q2011/0015 , H04Q2011/0016 , H04Q2011/0081
摘要： The present invention provides a node apparatus, where two N x N wavelength selective switches are used to form a parallel-connected structure, and two ends of each power splitter are separately connected to input ends of the N x N wavelength selective switches, and two ends of each power combiner are separately connected to output ends of the N x N wavelength selective switches, thereby transferring route switching selection work originally performed between multiple 1 x M wavelength selective switches to the inside of the N x N wavelength selective switch for implementation. Compared with an original structure using discrete components, the node apparatus is simplified, and when a traffic volume expands, the number of module slots on a line side does not need to be increased, thereby reducing usage costs eventually. The present invention is used for signal transmission in a node.

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