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公开(公告)号：US20240306041A1
公开(公告)日：2024-09-12
申请号：US18649821
申请日：2024-04-29
发明人： Yong Yang , Yawei Zhang , Jian Zhang , Mingyang Sun
IPC分类号： H04W28/22 , H04B17/318 , H04W76/12
CPC分类号： H04W28/22 , H04B17/328 , H04W76/12
摘要： This disclosure provides a communication method, apparatus, and device, and a storage medium. The communication method includes: An access device determines a first throughput rate of a backhaul link at a first moment. The first throughput rate includes an uplink throughput rate and/or a downlink throughput rate, the uplink throughput rate is used to determine an access device used by a terminal device for uplink transmission, and the downlink throughput rate is used to determine an access device used by the terminal device for downlink transmission. The access device sends the first throughput rate to a first routing device. In this way, a route of the backhaul link is dynamically adjusted, fluctuation of a wireless backhaul rate is reduced, and reliability of the backhaul link is improved.
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公开(公告)号：US20220337384A1
公开(公告)日：2022-10-20
申请号：US17857412
申请日：2022-07-05
发明人： Jingfei Lv , Yawei Zhang , Jinhui Wang , Hao Li
摘要： A clock port attribute recovery method includes a network device setting a value of a port attribute of a clock port of the network device to a first value based on the clock port not receiving any one of three types of clock messages: N synchronization messages, follow-up messages, and delay response messages within a timeout interval, where the first value indicates that a message is lost on the clock port. Based on a case that a recovery condition is met, the network device sets the value of the port attribute of the clock port to a second value, where the second value indicates that a status of the clock port is that the message is not lost.
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公开(公告)号：US11540238B2
公开(公告)日：2022-12-27
申请号：US17201407
申请日：2021-03-15
发明人： Jingfei Lv , Yawei Zhang
IPC分类号： H04W56/00
摘要： A method for synchronizing a network device includes: receiving, by the network device, a first SSM and a second SSM, where the first SSM carries a first SSM code for indicating a quality level of a first clock source and a first eSSM code for indicating the quality level of the first clock source, and the second SSM carries a second SSM code for indicating a quality level of a second clock source and a second eSSM code for indicating the quality level of the second clock source. When a value of the first SSM code is less than a value of the second SSM code, the network device calibrates a frequency of the network device based on a timing signal of the first clock source.
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公开(公告)号：US20200287969A1
公开(公告)日：2020-09-10
申请号：US16882438
申请日：2020-05-22
发明人： Jingfei Lv , Yawei Zhang
摘要： A network device synchronization method is provided. In various embodiments, a first SSM and a second SSM are received. The first SSM carries a first SSM code indicating a quality level of a first clock source and a first eSSM code indicating the quality level of the first clock source, the second SSM carries a second SSM code indicating a quality level of a second clock source. The second SSM lacks an eSSM code indicating the quality level of the second clock source, and a value of the first SSM code is equal to a value of the second SSM code. When a value of the first eSSM code is less than 0xFF, calibrating a frequency of the network device based on a timing signal of the first clock source.
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公开(公告)号：US10594422B2
公开(公告)日：2020-03-17
申请号：US16038508
申请日：2018-07-18
发明人： Yawei Zhang , Yeying Liu , Peng Li , Haishan Bi
摘要： Embodiments of the present disclosure disclose a method for transmitting a clock packet. The method includes: a first network element generates a first clock packet, where the first clock packet includes a first source identity and first clock information, and the first source identity is used to indicate a device that provides the first clock information. The first network element sends the first clock packet to a second network element forming a ring network with the first network element. The first network element receives a second clock packet sent by the second network element, where the second clock packet includes a second source identity and second clock information, and the second source identity is used to indicate a device that provides the second clock information. The first network element skips tracking the second clock information after determining that the second source identity is the same as the first source identity.
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公开(公告)号：US20170288802A1
公开(公告)日：2017-10-05
申请号：US15625649
申请日：2017-06-16
发明人： Lizhong Qiao , Yawei Zhang , Huanle Wang , Dejian Xu
IPC分类号： H04J3/06
摘要： A time synchronization method includes, a boundary device of a third-party network side receives a synchronization packet carrying a time synchronization offset and is delivered by a boundary device of an upstream network side on the basis that boundary devices in an entire network are all boundary clock (BC) devices, where the time synchronization offset is a time offset between a time domain of the upstream network and a time domain of the third-party network, and the boundary device of the third-party network side transparently transmits the synchronization packet carrying the time synchronization offset to a boundary device of a downstream network side such that the boundary device of the downstream network side performs time synchronization with the boundary device of the upstream network side according to the time synchronization offset. Thus time synchronization among multiple time domains in a network.
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公开(公告)号：US11750698B2
公开(公告)日：2023-09-05
申请号：US17671758
申请日：2022-02-15
发明人： Jingfei Lv , Yawei Zhang
IPC分类号： G06F15/16 , H04L67/1095 , H04J3/06
CPC分类号： H04L67/1095 , H04J3/0638
摘要： A network device synchronization method is provided. In various embodiments, a first SSM and a second SSM are received. The first SSM carries a first SSM code indicating a quality level of a first clock source and a first eSSM code indicating the quality level of the first clock source, the second SSM carries a second SSM code indicating a quality level of a second clock source. The second SSM lacks an eSSM code indicating the quality level of the second clock source, and a value of the first SSM code is equal to a value of the second SSM code. When a value of the first eSSM code is less than 0xFF, calibrating a frequency of the network device based on a timing signal of the first clock source.
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公开(公告)号：US11412468B2
公开(公告)日：2022-08-09
申请号：US16904051
申请日：2020-06-17
发明人： Jingfei Lv , Yawei Zhang
IPC分类号： H04W56/00
摘要： A method for synchronizing a network device includes: receiving, by the network device, a first SSM and a second SSM, where the first SSM carries a first SSM code for indicating a quality level of a first clock source and a first eSSM code for indicating the quality level of the first clock source, and the second SSM carries a second SSM code for indicating a quality level of a second clock source and a second eSSM code for indicating the quality level of the second clock source. When a value of the first SSM code is less than a value of the second SSM code, the network device calibrates a frequency of the network device based on a timing signal of the first clock source.
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公开(公告)号：US20220174113A1
公开(公告)日：2022-06-02
申请号：US17671758
申请日：2022-02-15
发明人： Jingfei Lv , Yawei Zhang
IPC分类号： H04L67/1095 , H04J3/06
摘要： A network device synchronization method is provided. In various embodiments, a first SSM and a second SSM are received. The first SSM carries a first SSM code indicating a quality level of a first clock source and a first eSSM code indicating the quality level of the first clock source, the second SSM carries a second SSM code indicating a quality level of a second clock source. The second SSM lacks an eSSM code indicating the quality level of the second clock source, and a value of the first SSM code is equal to a value of the second SSM code. When a value of the first eSSM code is less than 0xFF, calibrating a frequency of the network device based on a timing signal of the first clock source.
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公开(公告)号：US11272003B2
公开(公告)日：2022-03-08
申请号：US16882438
申请日：2020-05-22
发明人： Jingfei Lv , Yawei Zhang
IPC分类号： G06F15/16 , H04L67/1095 , H04J3/06
摘要： A network device synchronization method is provided. In various embodiments, a first SSM and a second SSM are received. The first SSM carries a first SSM code indicating a quality level of a first clock source and a first eSSM code indicating the quality level of the first clock source, the second SSM carries a second SSM code indicating a quality level of a second clock source. The second SSM lacks an eSSM code indicating the quality level of the second clock source, and a value of the first SSM code is equal to a value of the second SSM code. When a value of the first eSSM code is less than 0xFF, calibrating a frequency of the network device based on a timing signal of the first clock source.
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