CN104022860A - 通信系统的同步方法 - Google Patents
通信系统的同步方法 Download PDFInfo
- Publication number
- CN104022860A CN104022860A CN201410073457.5A CN201410073457A CN104022860A CN 104022860 A CN104022860 A CN 104022860A CN 201410073457 A CN201410073457 A CN 201410073457A CN 104022860 A CN104022860 A CN 104022860A
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- CN
- China
- Prior art keywords
- unique
- seed
- pseudo
- bit sequence
- random bit
- 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.)
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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 (10)
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 true CN104022860A (zh) | 2014-09-03 |
CN104022860B 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 | 通信系统的同步方法 |
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系统 |
JP2015186264A (ja) * | 2014-03-19 | 2015-10-22 | イカノス・コミュニケーションズ・インコーポレイテッドIkanos Communications,Inc. | 共存するレガシーdslサービスとワイドバンドdslサービスとの間のスペクトル互換性を維持するための方法およびシステム |
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 |
CN110476407A (zh) | 2017-03-31 | 2019-11-19 | 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 |
EP3577889B1 (en) | 2017-03-31 | 2020-11-18 | British Telecommunications Public Limited Company | Method and apparatus for transmitting signals over wire connections |
US11005527B2 (en) | 2017-03-31 | 2021-05-11 | 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、系统及电子设备和存储介质 |
Citations (5)
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 |
US20100098052A1 (en) * | 2008-10-21 | 2010-04-22 | Kabushiki Kaisha Toshiba | Radio communication system and radio base station apparatus |
WO2012025234A1 (en) * | 2010-08-27 | 2012-03-01 | Lantiq Deutschland Gmbh | Robust preamble for communication over noisy media |
US20120155648A1 (en) * | 2009-08-25 | 2012-06-21 | Nokia Corporation | Methods and Apparatus for Synchronization of Data Frames |
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、装置及数字用户线系统 |
Family Cites Families (2)
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 |
EP3229379B1 (en) * | 2012-05-02 | 2020-08-26 | 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 HK14110631.8A patent/HK1197122A1/zh unknown
Patent Citations (5)
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 |
US20100098052A1 (en) * | 2008-10-21 | 2010-04-22 | Kabushiki Kaisha Toshiba | Radio communication system and radio base station apparatus |
US20120155648A1 (en) * | 2009-08-25 | 2012-06-21 | Nokia Corporation | Methods and Apparatus for Synchronization of Data Frames |
WO2012025234A1 (en) * | 2010-08-27 | 2012-03-01 | Lantiq Deutschland Gmbh | Robust preamble for communication over noisy media |
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、装置及数字用户线系统 |
Also Published As
Publication number | Publication date |
---|---|
HK1197122A1 (zh) | 2015-01-02 |
US9306733B2 (en) | 2016-04-05 |
CN104022860B (zh) | 2017-09-08 |
US20140241384A1 (en) | 2014-08-28 |
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