公开(公告)号：US20160204895A1

公开(公告)日：2016-07-14

申请号：US15073439

申请日：2016-03-17

Applicant: Huawei Technologies Co., Ltd.

Inventor： Maarten VISSERS ,  Qiuyou WU ,  Xin XIAO ,  Wei SU

IPC: H04J14/08 ,  H04B10/27

CPC classification number: H04J14/08 ,  H04B10/27 ,  H04J3/1652

Abstract: The embodiments of the present invention disclose methods and apparatuses for mapping processing and de-mapping processing in an optical transport network. a Low Order Optical Channel Data Unit (LO ODU) signal is mapped into a payload area of an Optical Channel Data Tributary (ODTU) signal in units of M bytes. M is equal to the number of time slots of a High Order Optical Channel Payload Unit (HO OPU) that are to be occupied by the ODTU signal, and M is an integer larger than 1. Overhead information is encapsulated to an overhead area of the ODTU signal. Thereafter, the ODTU signal is multiplexed into the HO OPU. In this way, an efficient and universal mode for mapping the LO ODU to the HO OPU is provided.

Abstract translation: 本发明的实施例公开了用于在光传输网络中映射处理和解映射处理的方法和装置。 低阶光信道数据单元（LO ODU）信号以M字节为单位映射到光信道数据支路（ODTU）信号的有效载荷区域。 M等于要由ODTU信号占用的高阶光通道有效负载单元（HO OPU）的时隙数，M是大于1的整数。开销信息被封装到 ODTU信号。 此后，将ODTU信号复用到HO OPU中。 以这种方式，提供了用于将LO ODU映射到HO OPU的有效且通用的模式。

公开(公告)号：US20140334503A1

公开(公告)日：2014-11-13

申请号：US14339734

申请日：2014-07-24

Applicant: Huawei Technologies Co., Ltd.

Inventor： Limin DONG ,  Qiuyou WU

IPC: H04J3/16

CPC classification number: H04J3/1652 ,  H04J3/1658 ,  H04J3/1664

Abstract: Method and apparatus for transporting client signals in an MN are illustrated. In one embodiment, the method includes: mapping a client signal into a first Optical Channel Data Tributary Unit (ODTU) frame including an ODTU payload area and an ODTU overhead area, such that a plurality of n-bit data units of the client signal are inserted into the ODTU payload area and number information is inserted into the ODTU overhead area; mapping the first ODTU frame into the OPUk frame, such that the plurality of n-bit data units are mapped into an OPUk payload part occupying at least one Tributary Slot (TS) of the OPUk payload area and the number information of the ODTU overhead area is mapped into a first OPUk overhead part of the OPUk frame; forming an Optical Channel Transport Unit-k (OTUk) frame including the OPUk frame for transmission.

Abstract translation: 示出了在MN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：将客户端信号映射到包括ODTU有效载荷区域和ODTU开销区域的第一光信道数据支路单元（ODTU）帧，使得客户端信号的多个n位数据单元 插入ODTU有效载荷区域，并将数字信息插入ODTU开销区域; 将第一ODTU帧映射到OPUk帧中，使得多个n位数据单元映射到占据OPUk有效载荷区域的至少一个辅助时隙（TS）的OPUk有效载荷部分和ODTU开销区域的数量信息 被映射到OPUk帧的第一OPUk开销部分; 形成包括用于传输的OPUk帧的光信道传输单元k（OTUk）帧。

公开(公告)号：US20200374023A1

公开(公告)日：2020-11-26

申请号：US16895841

申请日：2020-06-08

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Wei SU ,  Maarten Petrus Joseph VISSERS ,  Qiuyou WU

IPC: H04J3/16 ,  H04B10/27 ,  H04L12/46

Abstract: A service mapping processing method for an optical transport network, an apparatus, and a system are provided, where the method includes: generating mapping adaptation indication information according to a mapping granularity of a to-be-carried LO ODU, where the mapping granularity is M×g bytes, M is a quantity of timeslots occupied by the to-be-carried LO ODU in an OPUCn, g is a size of a mapping granularity corresponding to each timeslot of the timeslots occupied by the LO ODU, and g is a positive integer greater than 1; mapping, according to the mapping adaptation indication information, the to-be-carried LO ODU to an ODTUCn.M payload area; encapsulating the mapping adaptation indication information into the ODTUCn.M overhead area; encapsulating the ODTUCn.M into an OTUCn; and sending the OTUCn to a receive end device. The method avoids that OTUCns that use different mapping granularities cannot interwork between a receive end and a transmit end.

公开(公告)号：US20180123726A1

公开(公告)日：2018-05-03

申请号：US15859092

申请日：2017-12-29

Applicant: Huawei Technologies Co., Ltd.

Inventor： Maarten VISSERS ,  Qiuyou WU ,  Xin XIAO ,  Wei SU

IPC: H04J14/08 ,  H04J3/16 ,  H04B10/27

CPC classification number: H04J14/08 ,  H04B10/27 ,  H04J3/1652

Abstract: The embodiments of the present invention disclose methods and apparatuses for mapping processing and de-mapping processing in an optical transport network a Low Order Optical Channel Data Unit (LO ODU) signal is mapped into a payload area of an Optical Channel Data Tributary (ODTU) signal in units of M bytes. M is equal to the number of time slots of a High Order Optical Channel Payload Unit (HO OPU) that are to be occupied by the ODTU signal, and M is an integer larger than 1. Overhead information is encapsulated to an overhead area of the ODTU signal. Thereafter, the ODTU signal is multiplexed into the HO OPU. In this way, an efficient and universal mode for mapping the LO ODU to the HO OPU is provided.

公开(公告)号：US20160057078A1

公开(公告)日：2016-02-25

申请号：US14931533

申请日：2015-11-03

Applicant: Huawei Technologies Co., Ltd.

Inventor： Wei SU ,  Chiwu DING ,  Limin DONG ,  Qiuyou WU

IPC: H04L12/911 ,  H04Q11/00 ,  H04L12/919 ,  H04J3/16

CPC classification number: H04L47/826 ,  H04J3/1652 ,  H04J3/1664 ,  H04J2203/0067 ,  H04J2203/0098 ,  H04L47/765 ,  H04Q11/0066 ,  H04Q2011/0086

Abstract: The embodiments of the present invention relate to the field of communications technologies, and disclose a lossless adjustment method of ODUflex channel bandwidth and an ODUflex channel. The lossless adjustment method includes: respectively adjusting, according to bandwidth adjustment indication request information, a time slot occupied by an ODUflex frame in a higher order optical channel data unit at an egress side of each network node on an ODUflex channel; and adjusting, according to rate adjustment indication information, a transmission rate of the ODUflex frame of each network node on the ODUflex channel, to enable the transmission rate of each network node on the ODUflex channel to be unified.

Abstract translation: 本发明的实施例涉及通信技术领域，并公开了ODUflex信道带宽的无损调整方法和ODUflex信道。 无损调整方法包括：根据带宽调整指示请求信息，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中的ODUflex帧占用的时隙; 根据速率调整指示信息调整ODUflex通道上每个网络节点的ODUflex帧的传输速率，使ODUflex通道上每个网络节点的传输速率统一。

公开(公告)号：US20160043852A1

公开(公告)日：2016-02-11

申请号：US14919280

申请日：2015-10-21

Applicant: Huawei Technologies Co., Ltd.

Inventor： Wei SU ,  Qiuyou WU ,  Yongheng DAI

IPC: H04L5/00 ,  H04J14/08 ,  H04Q11/00 ,  H04J3/16

CPC classification number: H04L5/0053 ,  H04J3/1652 ,  H04J14/00 ,  H04J14/0257 ,  H04J14/0267 ,  H04J14/0298 ,  H04J14/08 ,  H04L5/0098 ,  H04L27/2697 ,  H04Q11/0066 ,  H04Q2011/0086

Abstract: A hitless multi-carrier spectrum migration method and apparatus are disclosed. The method includes: obtaining a spectrum of a secondary carrier and a to-be-migrated carrier in a target carrier group from a network management system, and generating the secondary carrier according to the spectrum of the secondary carrier; sending a migration notification to a peer network device, and performing answer response to the migration notification from the peer network device, where the answer response is used to determine that network devices at both ends can perform spectrum migration; sending migration signaling to the peer network device; and receiving the migration signaling sent by the peer network device, and migrating, according to the migration signaling, overhead information and a service that are borne on the to-be-migrated carrier in the target carrier group to the secondary carrier.

Abstract translation: 公开了一种无less多载波频谱迁移方法和装置。 该方法包括：从网络管理系统获取目标载波组中的辅载波和待迁移载波的频谱，并根据辅载波的频谱生成二载波; 向对等网络设备发送迁移通知，并对来自对等网络设备的迁移通知进行应答响应，其中应答响应用于确定两端的网络设备可以执行频谱迁移; 向对等网络设备发送迁移信令; 以及接收由对等网络设备发送的迁移信令，并且根据迁移信令将承载在目标载波组中的待迁移载波上的开销信息和业务迁移到辅载波。

公开(公告)号：US20140161463A1

公开(公告)日：2014-06-12

申请号：US14180096

申请日：2014-02-13

Applicant: Huawei Technologies Co., Ltd.

Inventor： Limin DONG ,  Qiuyou WU ,  Qiwen ZHONG ,  Zhiying YAO ,  Maarten VISSERS

IPC: H04J14/08

CPC classification number: H04J14/086 ,  H04J3/1652 ,  H04J3/1664

Abstract: The present invention provides a method, apparatus and system for transmitting and receiving a client signal. A client signal is mapped to a low-order ODU via a GFP scheme, wherein the low-order ODU is sized to M equal sized timeslots of a high-order OPUk, wherein the high-order OPUk is divided into N equal sized timeslots, wherein M is any one of a group from 1 to N; wherein if k=2, then N=8, if k=3, then N=32 and if k=4, then N=80. The low-order ODU with the client signal is mapped to M equal sized timeslots of the high-order OPUk via a GMP scheme; and an OTU with the high-order OPUk and overheads is formed, and then the OTU is transmitted.

Abstract translation: 本发明提供一种用于发送和接收客户端信号的方法，装置和系统。 客户端信号通过GFP方案被映射到低阶ODU，其中低阶ODU被设置为高阶OPUk的M个相等大小的时隙，其中高阶OPUk被分成N个相等大小的时隙， 其中M是1至N中的任何一个; 其中如果k = 2，则N = 8，如果k = 3，则N = 32，并且如果k = 4，则N = 80。 具有客户端信号的低阶ODU通过GMP方案映射到高阶OPUk的M个相等大小的时隙; 并形成具有高阶OPUk和开销的OTU，然后传输OTU。

公开(公告)号：US20240072899A1

公开(公告)日：2024-02-29

申请号：US18460937

申请日：2023-09-05

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Wei SU ,  Qiuyou WU ,  Huaping QING

IPC: H04B10/27 ,  H04B10/69 ,  H04J3/16 ,  H04L1/00

CPC classification number: H04B10/27 ,  H04B10/6932 ,  H04J3/1658 ,  H04L1/0002 ,  H04L1/0025 ,  H04L1/0046

Abstract: This application provides a data transmission method and apparatus. The method includes: processing, by a network device, a to-be-sent optical data unit ODU to obtain another ODU, where a bit rate of the another ODU is lower than a bit rate of the ODU; and sending, by the network device, the another ODU. In embodiments of this application, the ODU is processed to obtain the another ODU with a lower bit rate, and this helps reduce a rate increase when service data is transmitted in an OTN, so as to reduce an OTN interface rate and OTN costs.

公开(公告)号：US20230054314A1

公开(公告)日：2023-02-23

申请号：US17843730

申请日：2022-06-17

Applicant: Huawei Technologies Co., Ltd.

Inventor： Limin DONG ,  Qiuyou WU

IPC: H04J3/16

Abstract: Method and apparatus for transporting client signals in an OTN are illustrated. In one embodiment, the method includes: mapping a client signal into a first Optical Channel Data Tributary Unit (ODTU) frame including an ODTU payload area and an ODTU overhead area, such that a plurality of n-bit data units of the client signal are inserted into the ODTU payload area and number information is inserted into the ODTU overhead area; mapping the first ODTU frame into the OPUk frame, such that the plurality of n-bit data units are mapped into an OPUk payload part occupying at least one Tributary Slot (TS) of the OPUk payload area and the number information of the ODTU overhead area is mapped into a first OPUk overhead part of the OPUk frame; forming an Optical Channel Transport Unit-k (OTUk) frame including the OPUk frame for transmission.

公开(公告)号：US20220006556A1

公开(公告)日：2022-01-06

申请号：US17373471

申请日：2021-07-12

Applicant: Huawei Technologies Co., Ltd.

Inventor： Maarten VISSERS ,  Qiuyou WU ,  Xin XIAO ,  Wei SU

IPC: H04J14/08 ,  H04J3/16 ,  H04B10/27

Abstract: The embodiments of the present invention disclose methods and apparatuses for mapping processing and de-mapping processing in an optical transport network. a Low Order Optical Channel Data Unit (LO ODU) signal is mapped into a payload area of an Optical Channel Data Tributary (ODTU) signal in units of M bytes. M is equal to the number of time slots of a High Order Optical Channel Payload Unit (HO OPU) that are to be occupied by the ODTU signal, and M is an integer larger than 1. Overhead information is encapsulated to an overhead area of the ODTU signal. Thereafter, the ODTU signal is multiplexed into the HO OPU. In this way, an efficient and universal mode for mapping the LO ODU to the HO OPU is provided.