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公开(公告)号：US11700083B2
公开(公告)日：2023-07-11
申请号：US16987802
申请日：2020-08-07
Applicant: Huawei Technologies Co., Ltd.
Inventor： Qiuyou Wu , Wei Su , Yujie Chen
CPC classification number: H04L1/0057 , H04B10/50 , H04J3/1652 , H04L1/0008 , H04L1/0011 , H04L1/0033 , H04L1/0061
Abstract: A method for processing service data in an optical transport network includes receiving service data, where the service data is to be mapped to a plurality of consecutive data frames, determining a quantity of code blocks, occupied by the service data, of each of the plurality of consecutive data frames and locations of the code blocks, where the code block includes a payload area and an overhead area, the payload area of the code block is used to carry the service data, and the overhead area of the code block includes identification information of the service data, and mapping the service data to the plurality of consecutive data frames based on the quantity of code blocks and the locations of the code blocks.
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公开(公告)号：US20220337925A1
公开(公告)日：2022-10-20
申请号：US17859422
申请日：2022-07-07
Applicant: Huawei Technologies Co., Ltd.
Inventor： Wei Su , Qiuyou Wu , Junling Xiang
IPC: H04Q11/00
Abstract: An optical signal transmission method includes mapping a first optical data unit frame to a first flexible tributary unit frame, where the first flexible tributary unit frame includes a plurality of payload blocks; mapping the first flexible tributary unit frame to a first optical payload unit frame, where the plurality of payload blocks are distributed in a payload area of the first optical payload unit frame; mapping the first optical payload unit frame to a second optical data unit frame, where a bit rate of the second optical data unit frame is greater than a bit rate of the first optical data unit frame; mapping the second optical data unit frame to a first optical transport unit frame; and sending the first optical transport unit frame.
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公开(公告)号：US11032024B2
公开(公告)日：2021-06-08
申请号：US16453795
申请日：2019-06-26
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Qiuyou Wu , Wei Su , Qiwen Zhong
Abstract: This application provides a radio fronthaul interface signal transmission method, a device, and a system. A network device obtains a radio fronthaul interface signal including a plurality of code blocks. The network device maps the radio fronthaul interface signal to M flexible Ethernet FlexE service layer timeslots to generate a FlexE signal, where the FlexE service layer timeslots are determined based on a rate of the radio fronthaul interface signal, and M is a positive integer greater than or equal to 1. The network device sends the FlexE signal to one or more physical lanes. The radio fronthaul interface signal such as a CPRI signal, an eCPRI signal, or an NGFI signal is carried by using FlexE, and the FlexE service layer timeslots are divided based on the rate of the radio fronthaul interface signal.
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公开(公告)号：US20200252346A1
公开(公告)日：2020-08-06
申请号：US16779963
申请日：2020-02-03
Applicant: Huawei Technologies Co., Ltd.
Inventor： Qiwen Zhong , Qiuyou Wu
IPC: H04L12/911 , H04L12/801 , H04L12/869 , H04L12/811 , H04L12/857
Abstract: Embodiments provide a method for transmitting a service stream in a flexible Ethernet and an apparatus. The method includes: obtaining a to-be-transmitted service stream, where the service stream is to be transmitted by using a target virtual connection supported by a physical connection group between a transmit end and a receive end, the physical connection group includes multiple physical connections and supports at least one virtual connection, and the target virtual connection is any one of the at least one virtual connection; determining, from total bandwidth resources of the multiple physical connections and according to timeslot configuration tables used by the multiple physical connections, a timeslot bandwidth resource that belongs to the target virtual connection; and transmitting the service stream to the receive end by using the timeslot bandwidth resource that belongs to the target virtual connection.
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公开(公告)号：US20200236058A1
公开(公告)日：2020-07-23
申请号：US16749646
申请日：2020-01-22
Applicant: Huawei Technologies Co., Ltd.
Inventor： Qiuyou Wu , Qiwen Zhong
IPC: H04L12/811 , H04L1/00 , H04L12/721 , H04L12/851 , H04L12/825
Abstract: A data transmission method, a transmitter, and a receiver, where the method includes obtaining constant bit rate (CBR) service data, performing physical coding sublayer (PCS) encoding on the CBR service data, inserting a rate adaptation code block in a PCS bitstream obtained by PCS encoding to perform rate adaptation on the PCS bitstream, mapping the adapted PCS bitstream to N timeslots of a flexible Ethernet (FlexE) frame, where N is a positive integer greater than or equal to one, and sending the FlexE frame, where FlexE overhead of the FlexE frame includes information indicating the N timeslots corresponding to the PCS bitstream. Hence, according to the data transmission method, the transmitter, and the receiver, the CBR service data may be mapped to a FlexE, and a carrying capability of the FlexE is improved.
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Patent Agency Ranking
公开(公告)号：US20200235905A1
公开(公告)日：2020-07-23
申请号：US16843520
申请日：2020-04-08
Applicant: Huawei Technologies Co., Ltd.
Inventor： Wei Su , Qiuyou Wu , Junling Xiang
Abstract: This application provides a data transmission method in an optical network and an optical network device. The method includes: obtaining, by a first device, first synchronization information from a first service data stream, and determining a to-be-transmitted service data stream; generating second synchronization information based on the first synchronization information; mapping the second synchronization information and the to-be-transmitted service data stream to an optical carrier container; and sending the optical carrier container. A second device receives the optical carrier container; obtains a second service data stream and third synchronization information from the optical carrier container through demapping; generates fourth synchronization information based on the third synchronization information; and inserts the fourth synchronization information into the second service data stream, to obtain a third service data stream. In this way, time synchronization precision is improved.
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公开(公告)号：US10680733B2
公开(公告)日：2020-06-09
申请号：US15465299
申请日：2017-03-21
Applicant: Huawei Technologies Co., Ltd.
Inventor： Wei Su , Maarten Petrus Joseph Vissers , Qiuyou Wu
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.
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公开(公告)号：US10554576B2
公开(公告)日：2020-02-04
申请号：US15873397
申请日：2018-01-17
Applicant: Huawei Technologies Co., Ltd.
Inventor： Qiwen Zhong , Qiuyou Wu
IPC: H04L12/911 , H04L12/857 , H04L12/811 , H04L12/869
Abstract: Embodiments provide a method for transmitting a service stream in a flexible Ethernet and an apparatus. The method includes: obtaining a to-be-transmitted service stream, where the service stream is to be transmitted by using a target virtual connection supported by a physical connection group between a transmit end and a receive end, the physical connection group includes multiple physical connections and supports at least one virtual connection, and the target virtual connection is any one of the at least one virtual connection; determining, from total bandwidth resources of the multiple physical connections and according to timeslot configuration tables used by the multiple physical connections, a timeslot bandwidth resource that belongs to the target virtual connection; and transmitting the service stream to the receive end by using the timeslot bandwidth resource that belongs to the target virtual connection.
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公开(公告)号：US10230481B2
公开(公告)日：2019-03-12
申请号：US15905199
申请日：2018-02-26
Applicant: Huawei Technologies Co., Ltd.
Inventor： Yujie Chen , Qiuyou Wu
IPC: H04J14/00 , H04J3/16 , H04L12/403 , H04L12/877 , H04J3/06
Abstract: Embodiments of the present disclosure disclose a method and an apparatus for bearing a flexible Ethernet service on an optical transport network (OTN). The method includes extracting a flexible Ethernet service from a flexible Ethernet service layer; performing data division on the flexible Ethernet service to obtain at least two data queues, where each data queue carries a queue identifier; mapping each data queue into an OTN container, where the OTN container includes an optical channel data unit-k (ODUk) container or an optical channel data unit flexible container; and sending the OTN containers to an OTN. By using the embodiments of the present disclosure, bandwidth utilization can be improved, and network construction costs of an OTN can be reduced.
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50.发明申请公开(公告)号：US20180212696A1
公开(公告)日：2018-07-26
申请号：US15934067
申请日：2018-03-23
Applicant: Huawei Technologies Co., Ltd.
Inventor： Wei Su , Maarten Petrus Joseph Vissers , Qiuyou Wu
CPC classification number: H04J3/1658 , H04J3/0658 , H04J3/07 , H04J3/1652
Abstract: Embodiments provide a method for sending an optical transport network (OTN) signal, including: acquiring, by a network element (an OTN device), a first OTN signal, and determining a to-be-deleted timeslot in the first OTN signal; deleting the to-be-deleted timeslot in the first OTN signal, to form a second OTN signal; and sending the second OTN signal by using an optical module, where a transmission rate of the second OTN signal adapts to a transmission rate of the optical module.
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