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公开(公告)号：US11387865B2
公开(公告)日：2022-07-12
申请号：US17021639
申请日：2020-09-15
Applicant: Huawei Technologies Co., Ltd.
Inventor： Yong You , Hua Li , Dao Pan , Peng Xiao , Lingxiao Kong
Abstract: This application provides a power line communication method. Wherein, a first node determines a channel status of a channel between a second node and the first node in an alternating current cycle. Then, the first node may divide the alternating current cycle into time windows based on the channel status, and determine modulation coding parameters used for data transmission between the second node and the first node in the time window obtained through division. Further, the first node may send information about the time window obtained through division and the modulation coding parameters used in the time window obtained through division to the second node.
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公开(公告)号：US09813349B2
公开(公告)日：2017-11-07
申请号：US14736743
申请日：2015-06-11
Applicant: Huawei Technologies Co., Ltd.
IPC: H04L12/26 , G06F9/46 , H04L12/835 , H04L12/825 , H04L12/805
CPC classification number: H04L47/30 , H04L47/26 , H04L47/263 , H04L47/36
Abstract: The present invention provide a transmission path, including: an FD storage module, configured to receive and store an FD; a calculating module, configured to determine, according to a length value of the first frame stored in the FD storage module, a volume of data stored in the transmission path; a determining module, configured to determine whether the volume of the data stored in the transmission path determined by the calculating module is greater than a preset data volume threshold; and an instructing module, configured to send a backpressure signal to the TM module when the determining module determines that the volume of the data stored in the transmission path is greater than the preset data volume threshold, where the backpressure signal is used to instruct the TM module to stop sending an FD of the second frame to the transmission path.
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