CN112640355A - 一种mac装置及时间点估算方法 - Google Patents

一种mac装置及时间点估算方法 Download PDF

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CN112640355A
CN112640355A CN201880097191.4A CN201880097191A CN112640355A CN 112640355 A CN112640355 A CN 112640355A CN 201880097191 A CN201880097191 A CN 201880097191A CN 112640355 A CN112640355 A CN 112640355A
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bit
time point
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bits
mac
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CN112640355B (zh
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沈岚
朱久运
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Huawei Technologies Co Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/38—Synchronous or start-stop systems, e.g. for Baudot code
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)

Abstract

一种MAC装置及时间点估算方法，MAC装置包括：MAC核心单元和物理介质连接子层PMA单元；其中，PMA单元用于获取第一比特位的第一时间点，将第一时间点发送给MAC核心单元；其中，第一比特位的第一时间点为PMA单元发送第一比特位的时间点；MAC核心单元，用于接收待发送的目标比特位，根据第一时间点，以及目标比特位与第一比特位之间间隔的比特位数，估算PMA单元发送目标比特位的第二时间点。采用上述方案有利于提高所估算的第二时间点的精度。

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PCT国内申请，说明书已公开。

Claims (26)

  1. PCT国内申请，权利要求书已公开。
CN201880097191.4A 2018-09-30 2018-09-30 一种mac装置及时间点估算方法 Active CN112640355B (zh)

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PCT/CN2018/109060 WO2020062225A1 (zh) 2018-09-30 2018-09-30 一种mac装置及时间点估算方法

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CN112640355B CN112640355B (zh) 2022-05-24

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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

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102244572A (zh) * 2011-07-18 2011-11-16 中兴通讯股份有限公司 一种实现时钟同步的方法及装置
CN104052588A (zh) * 2013-03-14 2014-09-17 阿尔特拉公司 用于为利用fec编码器的***实现按ieee 1588的精确时间戳的方法
CN104113517A (zh) * 2013-04-22 2014-10-22 华为技术有限公司 时间戳生成方法、装置及***
CN105577349A (zh) * 2014-10-31 2016-05-11 中国飞行试验研究院 一种机载网络ieee1588协议主从时钟端口同步方法
US20160337114A1 (en) * 2015-05-15 2016-11-17 Broadcom Corporation Apparatus and method for timestamping of data packets

Family Cites Families (3)

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US7995621B2 (en) * 2008-10-01 2011-08-09 Nortel Netwoeks Limited Techniques for time transfer via signal encoding
US9515816B2 (en) * 2014-06-30 2016-12-06 International Business Machines Corporation Latency-optimized physical coding sublayer
CN108322280B (zh) * 2017-12-12 2019-07-23 北京时代民芯科技有限公司 一种分布式计算机网络时钟同步延时补偿方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102244572A (zh) * 2011-07-18 2011-11-16 中兴通讯股份有限公司 一种实现时钟同步的方法及装置
CN104052588A (zh) * 2013-03-14 2014-09-17 阿尔特拉公司 用于为利用fec编码器的***实现按ieee 1588的精确时间戳的方法
CN104113517A (zh) * 2013-04-22 2014-10-22 华为技术有限公司 时间戳生成方法、装置及***
CN105577349A (zh) * 2014-10-31 2016-05-11 中国飞行试验研究院 一种机载网络ieee1588协议主从时钟端口同步方法
US20160337114A1 (en) * 2015-05-15 2016-11-17 Broadcom Corporation Apparatus and method for timestamping of data packets

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CN112640355B (zh) 2022-05-24
WO2020062225A1 (zh) 2020-04-02

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