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公开(公告)号：US11706113B2
公开(公告)日：2023-07-18
申请号：US17159785
申请日：2021-01-27
发明人： Renlei Wang , Zhe Lou , Min Zha , Zhigang Zhu
IPC分类号： H04L43/0852 , H04L1/00 , H04L43/026 , H04L47/283 , H04L12/40
CPC分类号： H04L43/0852 , H04L1/0057 , H04L12/40136 , H04L43/026 , H04L47/283
摘要： This application provides an example delay measurement method and an example network device. The method includes receiving, by a first network device, a first service flow. The method also includes determining, by the first network device, a first delay value based on a first measurement code block in the first service flow. The first delay value is a time difference between a first moment at which the first measurement code block is detected in the first network device and a second moment at which the first measurement code block is detected in the first network device.
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公开(公告)号：US11297000B2
公开(公告)日：2022-04-05
申请号：US16832795
申请日：2020-03-27
发明人： Jing Huang , Xiaojun Zhang , Rixin Li , Zhigang Zhu
IPC分类号： H04L12/24 , H04L47/74 , H04L41/0668
摘要： This disclosure relates to a data transmission method, apparatus, and system, and belongs to the field of communications technologies. The data transmission method includes: obtaining, by a first node, m (m≥2) first FlexE clients, mapping the m first FlexE clients to one second FlexE client, and transmitting data of the second FlexE client to a second node, where data of each first FlexE client occupies a fixed timeslot of the second FlexE client, and the second node is different from the first node. In this disclosure, a problem in a related technology that a relatively fine granularity of a FlexE client imposes a relatively strict requirement on data processing performance of a node is resolved, and a plurality of first FlexE clients are mapped to one second FlexE client.
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公开(公告)号：US20220094463A1
公开(公告)日：2022-03-24
申请号：US17457584
申请日：2021-12-03
发明人： Desheng Sun , Yongzhi Liu , Li Ding , Zhigang Zhu
IPC分类号： H04L1/00 , H04L69/324 , H03M13/29
摘要： A method includes: sending, by a first device, a first bit stream to a second device, where the first bit stream is sent over N logical lanes of a physical layer of the first device; sending, by the first device, a first trigger marker group to the second device, where the first trigger marker group is used to indicate that the sending of the first bit stream ends; and sending, by the first device, a second bit stream to the second device in response to the sending of the first trigger marker group, where the second bit stream is sent over P logical lanes of the physical layer of the first device, and both N and P are positive integers.
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公开(公告)号：US12133199B2
公开(公告)日：2024-10-29
申请号：US17669423
申请日：2022-02-11
发明人： Qiwen Zhong , Zhigang Zhu , Chunsheng Yang
IPC分类号： H04W72/02 , H04L5/00 , H04W28/26 , H04W72/0446
CPC分类号： H04W72/02 , H04L5/0044 , H04W28/26 , H04W72/0446
摘要： A method and an apparatus for transmitting service data are disclosed. In technical solutions of the present disclosure, when an exclusive service does not completely occupy a bandwidth resource allocated to the exclusive service, data transmission of at least two candidate services on an actually unused bandwidth is supported. In this way, a waste of bandwidth resources can be reduced and network utilization can be improved.
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公开(公告)号：US20220217091A1
公开(公告)日：2022-07-07
申请号：US17703472
申请日：2022-03-24
发明人： Qiwen Zhong , Chunsheng Yang , Zhigang Zhu
摘要： This application discloses example service processing methods and apparatuses. One example method includes obtaining a quantity of transmission windows corresponding to each of n services within a unit time period or in a unit data frame, wherein the unit time period or the unit data frame comprises m transmission windows, a total quantity of transmission windows corresponding to the n services is not greater than m, and both m and n are integers greater than 1. Corresponding transmission windows from the m transmission windows can then be allocated to each service based on the quantity of transmission windows corresponding to each of the n services. Based on the transmission windows corresponding to each service, service data of then services can then be multiplexed into multiplexed data transmitted in one channel. The multiplexed data can then be sent.
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公开(公告)号：US20210152286A1
公开(公告)日：2021-05-20
申请号：US17163819
申请日：2021-02-01
发明人： Li Xu , Min Zha , Renlei Wang , Zhigang Zhu
摘要： A method of data processing is applied to a communications device including a first sublayer. A physical sublayer is added above a physical coding sublayer (PCS) of a physical layer, and the physical sublayer is connected to media independent interfaces (xMlls) with different Ethernet rates. Data signals from different media access control clients (MAC) are interleaved using the physical sublayer. Then, a tx_cmd command is used to instruct the PCS to correspondingly encode an xMII signal. Finally, an encoded xMII signal is sent through a port. According to this method, an encoding function of the PCS may continue to be used, to decouple interleaving from encoding and perform the interleaving through an xMII interface. In this case, port channelization can be implemented for ports with multiple rates, and transmission of a high-priority service is ensured when there is an excessively large quantity of service flows in a transmission process.
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公开(公告)号：US20230155756A1
公开(公告)日：2023-05-18
申请号：US18155804
申请日：2023-01-18
发明人： Yunlei Qi , Qiwen Zhong , Zhigang Zhu , Kai Liu , Jingfeng Chen
CPC分类号： H04L5/0044 , H04J3/16
摘要： This application provides a data transmission method, a communications apparatus, a network device, a communications system, a storage medium, and a computer program product, to resolve a current problem that bandwidth waste is relatively severe when a service is carried based on a FlexE technology. In this application, a frame structure of a fine-granularity service frame is newly defined, so that service data can be transmitted in a time division multiplexing mode by using an Ethernet (ETH) interface.
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公开(公告)号：US11606167B2
公开(公告)日：2023-03-14
申请号：US17457584
申请日：2021-12-03
发明人： Desheng Sun , Yongzhi Liu , Li Ding , Zhigang Zhu
IPC分类号： H03M13/00 , H04L1/00 , H03M13/29 , H04L69/324
摘要： A method includes: sending, by a first device, a first bit stream to a second device, where the first bit stream is sent over N logical lanes of a physical layer of the first device; sending, by the first device, a first trigger marker group to the second device, where the first trigger marker group is used to indicate that the sending of the first bit stream ends; and sending, by the first device, a second bit stream to the second device in response to the sending of the first trigger marker group, where the second bit stream is sent over P logical lanes of the physical layer of the first device, and both N and P are positive integers.
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公开(公告)号：US11563521B2
公开(公告)日：2023-01-24
申请号：US17163819
申请日：2021-02-01
发明人： Li Xu , Min Zha , Renlei Wang , Zhigang Zhu
摘要： A method of data processing is applied to a communications device including a first sublayer. A physical sublayer is added above a physical coding sublayer (PCS) of a physical layer, and the physical sublayer is connected to media independent interfaces (xMIIs) with different Ethernet rates. Data signals from different media access control clients (MAC) are interleaved using the physical sublayer. Then, a tx_cmd command is used to instruct the PCS to correspondingly encode an xMII signal. Finally, an encoded xMII signal is sent through a port. According to this method, an encoding function of the PCS may continue to be used, to decouple interleaving from encoding and perform the interleaving through an xMII interface. In this case, port channelization can be implemented for ports with multiple rates, and transmission of a high-priority service is ensured when there is an excessively large quantity of service flows in a transmission process.
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公开(公告)号：US11381338B2
公开(公告)日：2022-07-05
申请号：US16909424
申请日：2020-06-23
发明人： Xiaojun Zhang , Lehong Niu , Qiwen Zhong , Zhigang Zhu , Qichang Chen , Rixin Li
摘要： A data transmission method includes: obtaining Q first code block streams, wherein Q is an integer greater than 1, the coding type is M1/N1 bit coding, and one code block in the first code block stream comprises a synchronization header area of (N1−M1) bits and a non-synchronization one code block in the second code block stream comprises a synchronization header area of (N1−M1) bits and a non-synchronization header area of M1 bits, and a non-synchronization header area of a code block in the Q first code block streams is carried in a non-synchronization header area of a code block in the second code block stream. header area of M1 bits; and placing non-synchronization header areas of code blocks in the Q first code block streams into a to-be-sent second code block stream, wherein a coding type of the second code block stream is M1/N1 bit coding.
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