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
- Authority
- 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.)
- Granted
Links
- 238000004891 communication Methods 0.000 title claims abstract description 100
- 238000000034 method Methods 0.000 title claims abstract description 40
- 230000001360 synchronised effect Effects 0.000 claims description 33
- 238000009826 distribution Methods 0.000 claims description 5
- 230000001174 ascending effect Effects 0.000 claims description 3
- 101150071746 Pbsn gene Proteins 0.000 claims 12
- 230000000116 mitigating effect Effects 0.000 abstract 1
- 230000006870 function Effects 0.000 description 21
- 238000012545 processing Methods 0.000 description 19
- 230000005540 biological transmission Effects 0.000 description 14
- 230000008878 coupling Effects 0.000 description 10
- 238000010168 coupling process Methods 0.000 description 10
- 238000005859 coupling reaction Methods 0.000 description 10
- 238000005516 engineering process Methods 0.000 description 10
- 238000004088 simulation Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 238000012549 training Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000011022 operating instruction Methods 0.000 description 1
- 238000013139 quantization Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
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 | 2013-11-27 | ||
US14/091,612 US9306733B2 (en) | 2013-02-28 | 2013-11-27 | Method of synchronizing a communication system |
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 |
---|---|---|---|---|
ES2571430T3 (es) * | 2013-08-06 | 2016-05-25 | Alcatel Lucent | Detección de errores de anulación de correspondencia |
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 |
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 |
WO2018178182A1 (en) * | 2017-03-31 | 2018-10-04 | British Telecommunications Public Limited Company | Method and apparatus for transmitting signals over wire connections |
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 |
US11082088B2 (en) | 2017-03-31 | 2021-08-03 | 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 |
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 HK14110631A 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 |
US20140241384A1 (en) | 2014-08-28 |
US9306733B2 (en) | 2016-04-05 |
CN104022860B (zh) | 2017-09-08 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN104022860A (zh) | 通信系统的同步方法 | |
CN104350685B (zh) | 对齐tdd dsl系统中多个线路的上行dmt符号 | |
CN102396160B (zh) | 用于评估串扰信道的强度的方法 | |
CN103262432B (zh) | 具有改善的矢量化稳定性的串扰抵消设备和方法 | |
CN102388588B (zh) | 一种串扰信道估计方法、装置及系统 | |
CN114514710B (zh) | 在单个串行解串器上具有不同波特率的多个端口 | |
CN107548546A (zh) | 用于按比例缩放的ofdm多路复用的保护频带 | |
CN103795659B (zh) | 信道估计 | |
KR20110038653A (ko) | 감소된 메모리 벡터 dsl | |
US9667313B2 (en) | Communication system for telephone line access with crosstalk mitigation | |
KR101403590B1 (ko) | G.hn 기술을 엑세스 네트워크에 적용하기 위한 방법 | |
WO2015039309A1 (zh) | 一种线路初始化方法、装置和系统 | |
JP2016523057A (ja) | ベクトル化されたシステムにおける特殊操作チャンネル | |
WO2014201662A1 (zh) | 线路初始化方法、设备及系统 | |
CN104704764A (zh) | 一种预填充重传队列 | |
US9276607B2 (en) | Padding after channel encoding repetition and interleaving | |
CN112751793B (zh) | 用于不连续时频操作的直接信道表征 | |
CN105229931B (zh) | Osd系统中的线路同步方法、系统及矢量化控制实体 | |
WO2016061744A1 (zh) | 一种数据传输装置和方法 | |
CN108268417B (zh) | 一种数据加、解扰电路及方法 | |
WO2015114442A1 (en) | Communication system for telephone line access with crosstalk stability | |
CN106716853A (zh) | Dsl向量化系统中的方法和布置 | |
US20150365131A1 (en) | Crosstalk Management For OFDM Communication Systems In Power Efficient Transmission Mode | |
CN101803266B (zh) | 用于分开多源系统中的源的方法 | |
CA2966704A1 (en) | Physical medium dependent layer bonding |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
REG | Reference to a national code |
Ref country code: HK Ref legal event code: DE Ref document number: 1197122 Country of ref document: HK |
|
C41 | Transfer of patent application or patent right or utility model | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20170302 Address after: Singapore Singapore Applicant after: Avago Technologies Fiber IP Singapore Pte. Ltd. Address before: American California Applicant before: Zyray Wireless Inc. |
|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170908 Termination date: 20180228 |
|
REG | Reference to a national code |
Ref country code: HK Ref legal event code: WD Ref document number: 1197122 Country of ref document: HK |