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公开(公告)号：US11356188B2
公开(公告)日：2022-06-07
申请号：US16847258
申请日：2020-04-13
发明人： Xiang He , Yunlei Qi , Jingfeng Chen , Tao Lin , Junmin Song , Xinyuan Wang
IPC分类号： H04J3/06 , H03M9/00 , H04J3/16 , H04L69/323
摘要： This application provides a method for sending and receiving a clock synchronization packet in FlexE. The method includes: generating, by a sending apparatus, indication information and a plurality of data blocks, where the plurality of data blocks are obtained by encoding a first clock synchronization packet, the indication information is used to indicate a first data block, and the first data block is a data block used for timestamp sampling in the plurality of data blocks; determining, by the sending apparatus, according to the indication information, a moment at which the first data block arrives at a medium dependent interface MDI of the sending apparatus, and generating a sending timestamp, where the sending timestamp is used to record a sending moment of the first clock synchronization packet; generating a second clock synchronization packet carrying the sending timestamp; and sending, by the sending apparatus, the second clock synchronization packet.
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公开(公告)号：US20220303035A1
公开(公告)日：2022-09-22
申请号：US17833862
申请日：2022-06-06
发明人： Xiang He , Yunlei Qi , Jingfeng Chen , Tao Lin , Junmin Song , Xinyuan Wang
IPC分类号： H04J3/06 , H03M9/00 , H04J3/16 , H04L69/323
摘要： This disclosure provides a method for sending and receiving a clock synchronization packet in FlexE. The method includes: generating, by a sending apparatus, indication information and a plurality of data blocks, where the plurality of data blocks are obtained by encoding a first clock synchronization packet, the indication information is used to indicate a first data block, and the first data block is a data block used for timestamp sampling in the plurality of data blocks; determining, by the sending apparatus, according to the indication information, a moment at which the first data block arrives at a medium dependent interface MDI of the sending apparatus, and generating a sending timestamp, where the sending timestamp is used to record a sending moment of the first clock synchronization packet; generating a second clock synchronization packet carrying the sending timestamp; and sending, by the sending apparatus, the second clock synchronization packet.
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公开(公告)号：US20210376943A1
公开(公告)日：2021-12-02
申请号：US17403131
申请日：2021-08-16
发明人： Xiang He , Yunlei Qi , Jingfeng Chen , Tao Lin , Junmin Song , Xinyuan Wang
IPC分类号： H04J3/06
摘要： A clock synchronization method includes receiving, by a receiving apparatus, a plurality of data blocks using a plurality of physical layer modules (PHYs), where the plurality of data blocks include a plurality of head data blocks, performing, by the receiving apparatus, timestamp sampling on the plurality of data blocks to generate a plurality of receipt timestamps, aligning, by the receiving apparatus, the plurality of receipt timestamps using a first receipt timestamp as a reference, generating, by the receiving apparatus, a clock synchronization packet based on the plurality of data blocks, and writing, by the receiving apparatus, a value of a second receipt timestamp into the clock synchronization packet, where the second receipt timestamp is a receipt timestamp that is of a second data block and that is determined based on the plurality of aligned receipt timestamps.
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公开(公告)号：US20200259578A1
公开(公告)日：2020-08-13
申请号：US16860688
申请日：2020-04-28
发明人： Xiang He , Yunlei Qi , Jingfeng Chen , Tao Lin , Junmin Song , Xinyuan Wang
IPC分类号： H04J3/06
摘要： A clock synchronization method includes receiving, by a receiving apparatus, a plurality of data blocks using a plurality of physical layer modules (PHYs), where the plurality of data blocks include a plurality of head data blocks, performing, by the receiving apparatus, timestamp sampling on the plurality of data blocks to generate a plurality of receipt timestamps, aligning, by the receiving apparatus, the plurality of receipt timestamps using a first receipt timestamp as a reference, generating, by the receiving apparatus, a clock synchronization packet based on the plurality of data blocks, and writing, by the receiving apparatus, a value of a second receipt timestamp into the clock synchronization packet, where the second receipt timestamp is a receipt timestamp that is of a second data block and that is determined based on the plurality of aligned receipt timestamps.
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公开(公告)号：US11824636B2
公开(公告)日：2023-11-21
申请号：US17833862
申请日：2022-06-06
发明人： Xiang He , Yunlei Qi , Jingfeng Chen , Tao Lin , Junmin Song , Xinyuan Wang
IPC分类号： H04J3/06 , H03M9/00 , H04J3/16 , H04L69/323
CPC分类号： H04J3/0667 , H03M9/00 , H04J3/0632 , H04J3/0688 , H04J3/1658 , H04L69/323
摘要： This disclosure provides a method for sending and receiving a clock synchronization packet in FlexE. The method includes: generating, by a sending apparatus, indication information and a plurality of data blocks, where the plurality of data blocks are obtained by encoding a first clock synchronization packet, the indication information is used to indicate a first data block, and the first data block is a data block used for timestamp sampling in the plurality of data blocks; determining, by the sending apparatus, according to the indication information, a moment at which the first data block arrives at a medium dependent interface MDI of the sending apparatus, and generating a sending timestamp, where the sending timestamp is used to record a sending moment of the first clock synchronization packet; generating a second clock synchronization packet carrying the sending timestamp; and sending, by the sending apparatus, the second clock synchronization packet.
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公开(公告)号：US20230138058A1
公开(公告)日：2023-05-04
申请号：US18146634
申请日：2022-12-27
发明人： Xiang He , Yunlei Qi , Jingfeng Chen , Tao Lin , Junmin Song , Xinyuan Wang
IPC分类号： H04J3/06
摘要： A clock synchronization method includes receiving, by a receiving apparatus, a plurality of data blocks using a plurality of physical layer modules (PHYs), where the plurality of data blocks include a plurality of head data blocks, performing, by the receiving apparatus, timestamp sampling on the plurality of data blocks to generate a plurality of receipt timestamps, aligning, by the receiving apparatus, the plurality of receipt timestamps using a first receipt timestamp as a reference, generating, by the receiving apparatus, a clock synchronization packet based on the plurality of data blocks, and writing, by the receiving apparatus, a value of a second receipt timestamp into the clock synchronization packet, where the second receipt timestamp is a receipt timestamp that is of a second data block and that is determined based on the plurality of aligned receipt timestamps.
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公开(公告)号：US11552721B2
公开(公告)日：2023-01-10
申请号：US17403131
申请日：2021-08-16
发明人： Xiang He , Yunlei Qi , Jingfeng Chen , Tao Lin , Junmin Song , Xinyuan Wang
IPC分类号： H04J3/06
摘要： A clock synchronization method includes receiving, by a receiving apparatus, a plurality of data blocks using a plurality of physical layer modules (PHYs), where the plurality of data blocks include a plurality of head data blocks, performing, by the receiving apparatus, timestamp sampling on the plurality of data blocks to generate a plurality of receipt timestamps, aligning, by the receiving apparatus, the plurality of receipt timestamps using a first receipt timestamp as a reference, generating, by the receiving apparatus, a clock synchronization packet based on the plurality of data blocks, and writing, by the receiving apparatus, a value of a second receipt timestamp into the clock synchronization packet, where the second receipt timestamp is a receipt timestamp that is of a second data block and that is determined based on the plurality of aligned receipt timestamps.
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公开(公告)号：US20200244383A1
公开(公告)日：2020-07-30
申请号：US16847258
申请日：2020-04-13
发明人： Xiang He , Yunlei Qi , Jingfeng Chen , Tao Lin , Junmin Song , Xinyuan Wang
摘要： This application provides a method for sending and receiving a clock synchronization packet in FlexE. The method includes: generating, by a sending apparatus, indication information and a plurality of data blocks, where the plurality of data blocks are obtained by encoding a first clock synchronization packet, the indication information is used to indicate a first data block, and the first data block is a data block used for timestamp sampling in the plurality of data blocks; determining, by the sending apparatus, according to the indication information, a moment at which the first data block arrives at a medium dependent interface MDI of the sending apparatus, and generating a sending timestamp, where the sending timestamp is used to record a sending moment of the first clock synchronization packet; generating a second clock synchronization packet carrying the sending timestamp; and sending, by the sending apparatus, the second clock synchronization packet.
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公开(公告)号：US11843452B2
公开(公告)日：2023-12-12
申请号：US18146634
申请日：2022-12-27
发明人： Xiang He , Yunlei Qi , Jingfeng Chen , Tao Lin , Junmin Song , Xinyuan Wang
IPC分类号： H04J3/06
CPC分类号： H04J3/0661
摘要： A clock synchronization method includes receiving, by a receiving apparatus, a plurality of data blocks using a plurality of physical layer modules (PHYs), where the plurality of data blocks include a plurality of head data blocks, performing, by the receiving apparatus, timestamp sampling on the plurality of data blocks to generate a plurality of receipt timestamps, aligning, by the receiving apparatus, the plurality of receipt timestamps using a first receipt timestamp as a reference, generating, by the receiving apparatus, a clock synchronization packet based on the plurality of data blocks, and writing, by the receiving apparatus, a value of a second receipt timestamp into the clock synchronization packet, where the second receipt timestamp is a receipt timestamp that is of a second data block and that is determined based on the plurality of aligned receipt timestamps.
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公开(公告)号：US11108485B2
公开(公告)日：2021-08-31
申请号：US16860688
申请日：2020-04-28
发明人： Xiang He , Yunlei Qi , Jingfeng Chen , Tao Lin , Junmin Song , Xinyuan Wang
摘要： A clock synchronization method includes receiving, by a receiving apparatus, a plurality of data blocks using a plurality of physical layer modules (PHYs), where the plurality of data blocks include a plurality of head data blocks, performing, by the receiving apparatus, timestamp sampling on the plurality of data blocks to generate a plurality of receipt timestamps, aligning, by the receiving apparatus, the plurality of receipt timestamps using a first receipt timestamp as a reference, generating, by the receiving apparatus, a clock synchronization packet based on the plurality of data blocks, and writing, by the receiving apparatus, a value of a second receipt timestamp into the clock synchronization packet, where the second receipt timestamp is a receipt timestamp that is of a second data block and that is determined based on the plurality of aligned receipt timestamps.
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