CN108270504A - 在乙太网的精密时间协议下利用高准确度时戳辅助装置的纳秒准确度 - Google Patents
在乙太网的精密时间协议下利用高准确度时戳辅助装置的纳秒准确度 Download PDFInfo
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- CN108270504A CN108270504A CN201711058137.2A CN201711058137A CN108270504A CN 108270504 A CN108270504 A CN 108270504A CN 201711058137 A CN201711058137 A CN 201711058137A CN 108270504 A CN108270504 A CN 108270504A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/60—Network streaming of media packets
- H04L65/65—Network streaming protocols, e.g. real-time transport protocol [RTP] or real-time control protocol [RTCP]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/02—Details
- H04J3/06—Synchronising arrangements
- H04J3/0635—Clock or time synchronisation in a network
- H04J3/0685—Clock or time synchronisation in a node; Intranode synchronisation
- H04J3/0697—Synchronisation in a packet node
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/02—Details
- H04J3/06—Synchronising arrangements
- H04J3/0635—Clock or time synchronisation in a network
- H04J3/0638—Clock or time synchronisation among nodes; Internode synchronisation
- H04J3/0658—Clock or time synchronisation among packet nodes
- H04J3/0661—Clock or time synchronisation among packet nodes using timestamps
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- G—PHYSICS
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- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q50/00—Information and communication technology [ICT] specially adapted for implementation of business processes of specific business sectors, e.g. utilities or tourism
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- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0015—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the adaptation strategy
- H04L1/0017—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the adaptation strategy where the mode-switching is based on Quality of Service requirement
- H04L1/0018—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the adaptation strategy where the mode-switching is based on Quality of Service requirement based on latency requirement
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/02—Details
- H04J3/06—Synchronising arrangements
- H04J3/0635—Clock or time synchronisation in a network
- H04J3/0638—Clock or time synchronisation among nodes; Internode synchronisation
- H04J3/0658—Clock or time synchronisation among packet nodes
- H04J3/0661—Clock or time synchronisation among packet nodes using timestamps
- H04J3/067—Details of the timestamp structure
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/64—Hybrid switching systems
- H04L12/6418—Hybrid transport
- H04L2012/6445—Admission control
- H04L2012/6448—Medium Access Control [MAC]
- H04L2012/6454—Random, e.g. Ethernet
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/30—Definitions, standards or architectural aspects of layered protocol stacks
- H04L69/32—Architecture of open systems interconnection [OSI] 7-layer type protocol stacks, e.g. the interfaces between the data link level and the physical level
- H04L69/322—Intralayer communication protocols among peer entities or protocol data unit [PDU] definitions
- H04L69/323—Intralayer communication protocols among peer entities or protocol data unit [PDU] definitions in the physical layer [OSI layer 1]
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Business, Economics & Management (AREA)
- Multimedia (AREA)
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- Theoretical Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
- Small-Scale Networks (AREA)
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Abstract
Description
Claims (20)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US15/397,028 US10104148B2 (en) | 2017-01-03 | 2017-01-03 | Nanosecond accuracy under precision time protocol for ethernet by using high accuracy timestamp assist device |
US15/397,028 | 2017-01-03 |
Publications (2)
Publication Number | Publication Date |
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CN108270504A true CN108270504A (zh) | 2018-07-10 |
CN108270504B CN108270504B (zh) | 2019-09-13 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201711058137.2A Active CN108270504B (zh) | 2017-01-03 | 2017-11-01 | 分散式网络的时间同步 |
Country Status (3)
Country | Link |
---|---|
US (1) | US10104148B2 (zh) |
CN (1) | CN108270504B (zh) |
TW (1) | TWI651983B (zh) |
Cited By (4)
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CN111193567A (zh) * | 2018-11-14 | 2020-05-22 | 深圳市中兴微电子技术有限公司 | 一种时间同步的方法、设备及存储介质 |
WO2020135857A1 (zh) * | 2018-12-29 | 2020-07-02 | 中兴通讯股份有限公司 | 时间同步方法、系统、设备及存储介质 |
CN113014535A (zh) * | 2019-12-20 | 2021-06-22 | 瞻博网络公司 | 信息处理方法、计算装置及计算机可读介质 |
CN113810145A (zh) * | 2020-06-14 | 2021-12-17 | 迈络思科技有限公司 | 接收端时间戳准确性 |
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US11153191B2 (en) * | 2018-01-19 | 2021-10-19 | Intel Corporation | Technologies for timestamping with error correction |
US10425124B1 (en) * | 2018-03-14 | 2019-09-24 | Pericom Semiconductor Corporation | Repeaters with fast transitions from low-power standby to low-frequency signal transmission |
TWI658700B (zh) * | 2018-07-16 | 2019-05-01 | 創意電子股份有限公司 | 積體電路、多通道傳輸裝置及其信號傳輸方法 |
CN111181677B (zh) * | 2018-11-13 | 2021-07-27 | 深圳市中兴微电子技术有限公司 | 时间同步方法、网络设备及存储介质 |
US11483127B2 (en) * | 2018-11-18 | 2022-10-25 | Mellanox Technologies, Ltd. | Clock synchronization |
US11283454B2 (en) | 2018-11-26 | 2022-03-22 | Mellanox Technologies, Ltd. | Synthesized clock synchronization between network devices |
CN111600670B (zh) * | 2019-02-20 | 2023-04-18 | 阿里巴巴集团控股有限公司 | 感应数据计算控制方法以及授时装置 |
US11265096B2 (en) * | 2019-05-13 | 2022-03-01 | Intel Corporation | High accuracy time stamping for multi-lane ports |
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CN111447030B (zh) * | 2020-03-31 | 2021-02-19 | 中国科学院地质与地球物理研究所 | 地震采集器的网络授时精度控制方法、系统及终端设备 |
CN111800212B (zh) * | 2020-06-12 | 2022-04-15 | 烽火通信科技股份有限公司 | 一种时间戳抖动补偿方法及装置 |
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CN112462717B (zh) * | 2020-12-03 | 2021-11-30 | 摩通传动与控制(深圳)有限公司 | 一种基于EtherCAT的高精度多轴时钟同步方法 |
US11606427B2 (en) | 2020-12-14 | 2023-03-14 | Mellanox Technologies, Ltd. | Software-controlled clock synchronization of network devices |
US11588609B2 (en) | 2021-01-14 | 2023-02-21 | Mellanox Technologies, Ltd. | Hardware clock with built-in accuracy check |
CN113381832B (zh) * | 2021-06-09 | 2022-11-15 | 北京紫玉伟业电子科技有限公司 | 一种基于fpga平台的精确时间同步方法 |
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2017
- 2017-01-03 US US15/397,028 patent/US10104148B2/en active Active
- 2017-07-19 TW TW106124111A patent/TWI651983B/zh active
- 2017-11-01 CN CN201711058137.2A patent/CN108270504B/zh active Active
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
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CN111193567A (zh) * | 2018-11-14 | 2020-05-22 | 深圳市中兴微电子技术有限公司 | 一种时间同步的方法、设备及存储介质 |
CN111193567B (zh) * | 2018-11-14 | 2023-09-26 | 深圳市中兴微电子技术有限公司 | 一种时间同步的方法、设备及存储介质 |
WO2020135857A1 (zh) * | 2018-12-29 | 2020-07-02 | 中兴通讯股份有限公司 | 时间同步方法、系统、设备及存储介质 |
CN113014535A (zh) * | 2019-12-20 | 2021-06-22 | 瞻博网络公司 | 信息处理方法、计算装置及计算机可读介质 |
CN113014535B (zh) * | 2019-12-20 | 2023-08-22 | 瞻博网络公司 | 信息处理方法、计算装置及计算机可读介质 |
CN113810145A (zh) * | 2020-06-14 | 2021-12-17 | 迈络思科技有限公司 | 接收端时间戳准确性 |
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US20180191802A1 (en) | 2018-07-05 |
TW201826853A (zh) | 2018-07-16 |
US10104148B2 (en) | 2018-10-16 |
TWI651983B (zh) | 2019-02-21 |
CN108270504B (zh) | 2019-09-13 |
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