CN109792376A - 一种时钟同步方法及设备 - Google Patents

一种时钟同步方法及设备 Download PDF

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Publication number
CN109792376A
CN109792376A CN201780059077.8A CN201780059077A CN109792376A CN 109792376 A CN109792376 A CN 109792376A CN 201780059077 A CN201780059077 A CN 201780059077A CN 109792376 A CN109792376 A CN 109792376A
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signal
code
clock
sequence code
data
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CN201780059077.8A
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CN109792376B (zh
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方李明
张晓风
隋猛
周雷
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Huawei Technologies Co Ltd
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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
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements

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

Abstract

本申请实施例提供一种时钟同步方法及设备，涉及通信技术领域，解决了现有CDMA系统在实现时钟同步时，存在用户的数据信息中断的问题。所述方法应用于码分多址系统中，包括：发射端通过发送时钟驱动第一序列码，得到承载时钟的信号，所述承载时钟的信号为方波信号；其中，所述第一序列码包括N个码元；所述方波信号的任意两个跳变沿之间的时间长度为发送所述第一序列码的时间长度的整数倍，且所述N个码元中每个码元的时间长度相等；所述N为大于或等于1的整数，当所述N≥2时，所述N个码元相同；所述发射端向接收端发送发射信号；其中，所述发射信号包括所述承载时钟的信号；所述承载时钟的信号用于实现所述接收端和所述发射端的时钟同步。

Description

PCT国内申请，说明书已公开。

Claims (16)

  1. PCT国内申请，权利要求书已公开。
CN201780059077.8A 2017-02-14 2017-02-14 一种时钟同步方法及设备 Active CN109792376B (zh)

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PCT/CN2017/073474 WO2018148864A1 (zh) 2017-02-14 2017-02-14 一种时钟同步方法及设备

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CN109792376A true CN109792376A (zh) 2019-05-21
CN109792376B CN109792376B (zh) 2021-06-01

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CN (1) CN109792376B (zh)
WO (1) WO2018148864A1 (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114448594A (zh) * 2021-12-29 2022-05-06 苏州浪潮智能科技有限公司 一种通信频率同步方法及系统

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Publication number Priority date Publication date Assignee Title
CN1112384A (zh) * 1993-06-14 1995-11-22 艾利森电话股份有限公司 直接序列码分多址系统中无缝转换的非连续传送
CN1180463A (zh) * 1996-03-05 1998-04-29 Ntt移动通信网株式会社 移动通信系统中的信号传输方法,发射机,接收机和扩展码同步法
EP0944178A2 (en) * 1998-03-18 1999-09-22 Sony Corporation Synchronization detection device and method in DS-CDMA
CN1943153A (zh) * 2005-02-09 2007-04-04 松下电器产业株式会社 脉冲调制无线通信装置
US7701978B2 (en) * 2003-04-09 2010-04-20 Braodcom Corporation Method and apparatus for maintaining synchronization in a communication system

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Publication number Priority date Publication date Assignee Title
US6587948B1 (en) * 1998-02-13 2003-07-01 Sony Corporation Recording apparatus, recording medium, playback apparatus, recording method and playback method
US7336693B2 (en) * 2001-05-08 2008-02-26 Sony Corporation Communication system using ultra wideband signals
CN101710890B (zh) * 2009-12-15 2013-01-02 华东理工大学 脉冲和ofdm双重数据调制方法

Patent Citations (5)

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Publication number Priority date Publication date Assignee Title
CN1112384A (zh) * 1993-06-14 1995-11-22 艾利森电话股份有限公司 直接序列码分多址系统中无缝转换的非连续传送
CN1180463A (zh) * 1996-03-05 1998-04-29 Ntt移动通信网株式会社 移动通信系统中的信号传输方法,发射机,接收机和扩展码同步法
EP0944178A2 (en) * 1998-03-18 1999-09-22 Sony Corporation Synchronization detection device and method in DS-CDMA
US7701978B2 (en) * 2003-04-09 2010-04-20 Braodcom Corporation Method and apparatus for maintaining synchronization in a communication system
CN1943153A (zh) * 2005-02-09 2007-04-04 松下电器产业株式会社 脉冲调制无线通信装置

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
INTERNATIONAL TELECOMMUNICATION UNION: "digital land mobile systems for dispatch traffic", 《REPORT ITU R M.2014-2》 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114448594A (zh) * 2021-12-29 2022-05-06 苏州浪潮智能科技有限公司 一种通信频率同步方法及系统
CN114448594B (zh) * 2021-12-29 2023-08-08 苏州浪潮智能科技有限公司 一种通信频率同步方法及系统

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CN109792376B (zh) 2021-06-01
WO2018148864A1 (zh) 2018-08-23

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