CN104022860B - 通信***的同步方法 - Google Patents
通信***的同步方法 Download PDFInfo
- Publication number
- CN104022860B CN104022860B CN201410073457.5A CN201410073457A CN104022860B CN 104022860 B CN104022860 B CN 104022860B CN 201410073457 A CN201410073457 A CN 201410073457A CN 104022860 B CN104022860 B CN 104022860B
- Authority
- CN
- China
- Prior art keywords
- unique
- seed
- communication
- signal
- pseudo
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L7/00—Arrangements for synchronising receiver with transmitter
- H04L7/04—Speed or phase control by synchronisation signals
- H04L7/041—Speed or phase control by synchronisation signals using special codes as synchronising signal
- H04L7/043—Pseudo-noise [PN] codes variable during transmission
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/02—Details
- H04B3/32—Reducing cross-talk, e.g. by compensating
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
- H04L27/2602—Signal structure
- H04L27/261—Details of reference signals
- H04L27/2613—Structure of the reference signals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
- H04L27/2647—Arrangements specific to the receiver only
- H04L27/2655—Synchronisation arrangements
- H04L27/2656—Frame synchronisation, e.g. packet synchronisation, time division duplex [TDD] switching point detection or subframe synchronisation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
- H04M11/06—Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors
- H04M11/062—Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors using different frequency bands for speech and other data
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
- H04L27/2647—Arrangements specific to the receiver only
- H04L27/2655—Synchronisation arrangements
- H04L27/2668—Details of algorithms
- H04L27/2669—Details of algorithms characterised by the domain of operation
- H04L27/2671—Time domain
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
- H04L27/2647—Arrangements specific to the receiver only
- H04L27/2655—Synchronisation arrangements
- H04L27/2668—Details of algorithms
- H04L27/2673—Details of algorithms characterised by synchronisation parameters
- H04L27/2675—Pilot or known symbols
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Abstract
Description
Claims (20)
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201361770734P | 2013-02-28 | 2013-02-28 | |
US61/770,734 | 2013-02-28 | ||
US201361907293P | 2013-11-21 | 2013-11-21 | |
US61/907,293 | 2013-11-21 | ||
US14/091,612 US9306733B2 (en) | 2013-02-28 | 2013-11-27 | Method of synchronizing a communication system |
US14/091,612 | 2013-11-27 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN104022860A CN104022860A (zh) | 2014-09-03 |
CN104022860B true CN104022860B (zh) | 2017-09-08 |
Family
ID=51388111
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201410073457.5A Expired - Fee Related CN104022860B (zh) | 2013-02-28 | 2014-02-28 | 通信***的同步方法 |
Country Status (3)
Country | Link |
---|---|
US (1) | US9306733B2 (zh) |
CN (1) | CN104022860B (zh) |
HK (1) | HK1197122A1 (zh) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
PL2835911T3 (pl) * | 2013-08-06 | 2016-08-31 | Alcatel Lucent | Detekcja błędów odwzorowania odwrotnego |
WO2015127624A1 (zh) * | 2014-02-27 | 2015-09-03 | 华为技术有限公司 | 串扰信道估计方法、矢量化控制实体及osd*** |
US20150270942A1 (en) * | 2014-03-19 | 2015-09-24 | Ikanos Communications, Inc. | Methods and systems for maintaining spectral compatibility between co-existing legacy and wideband dsl services |
GB2542437A (en) * | 2015-09-16 | 2017-03-22 | British Telecomm | Method and apparatus for operating a digital subscriber line arrangement |
GB2545489A (en) * | 2015-12-18 | 2017-06-21 | Nordic Semiconductor Asa | Radio communication |
CN110495161A (zh) | 2017-03-31 | 2019-11-22 | 英国电讯有限公司 | 通过导线连接来发送信号的方法和设备 |
EP3577890A1 (en) | 2017-03-31 | 2019-12-11 | British Telecommunications Public Limited Company | Method and apparatus for transmitting signals over wire connections |
EP3577889B1 (en) | 2017-03-31 | 2020-11-18 | British Telecommunications Public Limited Company | Method and apparatus for transmitting signals over wire connections |
CN110476361B (zh) * | 2017-03-31 | 2021-06-08 | 英国电讯有限公司 | 从发送器装置向接收器装置发送数据的方法、装置、介质 |
CN110321102B (zh) * | 2019-05-09 | 2021-06-18 | 苏州浪潮智能科技有限公司 | 一种prbs码型确定方法、***及电子设备和存储介质 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1642118A (zh) * | 2004-01-12 | 2005-07-20 | 安捷伦科技有限公司 | 具有自播种测试功能的多功能样式发生器和比较器 |
CN102823193A (zh) * | 2012-04-28 | 2012-12-12 | 华为技术有限公司 | 数字用户线的信号处理方法、装置及数字用户线*** |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7376157B1 (en) * | 2002-03-08 | 2008-05-20 | Centillium Communications, Inc. | Synchronizing ADSL Annex C transceivers to TTR |
JP2010124457A (ja) * | 2008-10-21 | 2010-06-03 | Toshiba Corp | 無線通信システムおよび無線基地局装置 |
MY164273A (en) * | 2009-08-25 | 2017-11-30 | Nokia Technologies Oy | Method and apparatus for synchronization of data frames |
EP2609719B1 (en) * | 2010-08-27 | 2018-10-31 | Lantiq Beteiligungs-GmbH & Co.KG | Robust preamble for communication over noisy media |
WO2013166245A1 (en) * | 2012-05-02 | 2013-11-07 | Huawei Technologies Co., Ltd. | Aligning the upstream dmt symbols of multiple lines in a tdd dsl system |
-
2013
- 2013-11-27 US US14/091,612 patent/US9306733B2/en not_active Expired - Fee Related
-
2014
- 2014-02-28 CN CN201410073457.5A patent/CN104022860B/zh not_active Expired - Fee Related
- 2014-10-24 HK HK14110631A patent/HK1197122A1/zh unknown
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1642118A (zh) * | 2004-01-12 | 2005-07-20 | 安捷伦科技有限公司 | 具有自播种测试功能的多功能样式发生器和比较器 |
CN102823193A (zh) * | 2012-04-28 | 2012-12-12 | 华为技术有限公司 | 数字用户线的信号处理方法、装置及数字用户线*** |
Also Published As
Publication number | Publication date |
---|---|
US20140241384A1 (en) | 2014-08-28 |
CN104022860A (zh) | 2014-09-03 |
US9306733B2 (en) | 2016-04-05 |
HK1197122A1 (zh) | 2015-01-02 |
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