CN1700688A - 追踪系统 - Google Patents
追踪系统 Download PDFInfo
- Publication number
- CN1700688A CN1700688A CNA2005100713160A CN200510071316A CN1700688A CN 1700688 A CN1700688 A CN 1700688A CN A2005100713160 A CNA2005100713160 A CN A2005100713160A CN 200510071316 A CN200510071316 A CN 200510071316A CN 1700688 A CN1700688 A CN 1700688A
- Authority
- CN
- China
- Prior art keywords
- frequency
- phase
- symbol
- tracking
- phase place
- 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
- 230000000694 effects Effects 0.000 claims abstract description 13
- 238000012937 correction Methods 0.000 claims description 59
- 238000000034 method Methods 0.000 claims description 59
- 230000008859 change Effects 0.000 claims description 20
- 238000012546 transfer Methods 0.000 claims description 12
- 238000004590 computer program Methods 0.000 claims description 9
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 238000005259 measurement Methods 0.000 claims description 6
- 230000009885 systemic effect Effects 0.000 claims description 3
- 230000008901 benefit Effects 0.000 description 19
- 230000005540 biological transmission Effects 0.000 description 13
- 230000006870 function Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 8
- 230000007774 longterm Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000012163 sequencing technique Methods 0.000 description 2
- 230000008685 targeting Effects 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012217 deletion Methods 0.000 description 1
- 230000037430 deletion Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Images
Classifications
-
- 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
- H04L27/2657—Carrier synchronisation
-
- 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
-
- 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
- H04L27/2676—Blind, i.e. without using known symbols
- H04L27/2679—Decision-aided
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
Abstract
Description
Claims (19)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/848,933 US7751501B2 (en) | 2004-05-19 | 2004-05-19 | Tracking system |
US10/848933 | 2004-05-19 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1700688A true CN1700688A (zh) | 2005-11-23 |
CN1700688B CN1700688B (zh) | 2012-05-09 |
Family
ID=35449610
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2005100713160A Expired - Fee Related CN1700688B (zh) | 2004-05-19 | 2005-05-19 | 追踪系统 |
Country Status (2)
Country | Link |
---|---|
US (2) | US7751501B2 (zh) |
CN (1) | CN1700688B (zh) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7751501B2 (en) * | 2004-05-19 | 2010-07-06 | Infineon Technologies Ag | Tracking system |
CN1317830C (zh) * | 2005-04-15 | 2007-05-23 | 展讯通信(上海)有限公司 | 自动频偏校正方法及使用该方法的装置和接收机 |
US8040982B1 (en) * | 2005-10-18 | 2011-10-18 | Marvell International Ltd. | Phase-adjusted channel estimation for frequency division multiplexed channels |
US20090129514A1 (en) * | 2007-11-19 | 2009-05-21 | Horizon Semiconductors Ltd. | Accurate data-aided frequency tracking circuit |
JP5536042B2 (ja) * | 2008-05-19 | 2014-07-02 | 三星電子株式会社 | 通信システムの残留周波数誤差を推定する方法 |
JP5542702B2 (ja) * | 2011-01-12 | 2014-07-09 | 株式会社東芝 | 無線通信装置 |
CN104584440B (zh) * | 2012-08-31 | 2018-02-27 | 三菱电机株式会社 | 接收机、发送机以及通信方法 |
JP6082125B2 (ja) | 2012-12-14 | 2017-02-15 | テレフオンアクチーボラゲット エルエム エリクソン(パブル) | マルチキャリア変調信号のための受信機 |
US10003477B1 (en) | 2015-05-13 | 2018-06-19 | Marvell International Ltd. | Methods and systems for channel estimation enhancement for multi-stream packets |
US10218549B1 (en) * | 2018-01-24 | 2019-02-26 | National Instruments Corporation | Wireless radio receiver that performs adaptive phase tracking |
US10218548B1 (en) | 2018-01-24 | 2019-02-26 | National Instruments Corporation | Wireless radio receiver that performs adaptive phase tracking |
US10574393B1 (en) * | 2018-03-23 | 2020-02-25 | Nxp Usa, Inc. | Phase-based cyclic redundancy check verification for wireless communication |
CN113630359B (zh) * | 2021-06-22 | 2024-06-11 | 武汉高德红外股份有限公司 | 一种相位跟踪方法、存储介质及计算机 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0903897B1 (en) * | 1997-09-22 | 2001-10-31 | Alcatel | Method and arrangement to determine a clock timing error in a multi-carrier transmission system |
JP3642757B2 (ja) * | 1999-09-29 | 2005-04-27 | サムスン エレクトロニクス カンパニー リミテッド | 直交周波数分割多重/符号分割多重接続通信システムにおけるパイロットシンボルを利用したタイミングエラーを補償するためのシステム及び方法 |
US7106709B2 (en) * | 2000-11-29 | 2006-09-12 | Telefonaktiebologet Lm Ericsson (Publ) | Timing drift compensation in wireless packet-based systems |
US6633616B2 (en) * | 2001-02-21 | 2003-10-14 | Magis Networks, Inc. | OFDM pilot tone tracking for wireless LAN |
EP1274209A1 (en) * | 2001-07-04 | 2003-01-08 | TELEFONAKTIEBOLAGET L M ERICSSON (publ) | Frequency correction for a multicarrier system |
KR100833223B1 (ko) * | 2001-07-11 | 2008-05-28 | 삼성전자주식회사 | 보호 구간을 이용해 심볼 타이밍 동기를 수행하는ofdm 수신 시스템 및 그 방법 |
US7751501B2 (en) * | 2004-05-19 | 2010-07-06 | Infineon Technologies Ag | Tracking system |
-
2004
- 2004-05-19 US US10/848,933 patent/US7751501B2/en not_active Expired - Fee Related
-
2005
- 2005-05-19 CN CN2005100713160A patent/CN1700688B/zh not_active Expired - Fee Related
-
2009
- 2009-08-18 US US12/543,487 patent/US8040978B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US20050272374A1 (en) | 2005-12-08 |
US8040978B2 (en) | 2011-10-18 |
CN1700688B (zh) | 2012-05-09 |
US7751501B2 (en) | 2010-07-06 |
US20090310722A1 (en) | 2009-12-17 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN1700688A (zh) | 追踪系统 | |
CN1082757C (zh) | 用于数字通信接收机的相干检测器和相干检测方法 | |
CN1881823A (zh) | 校正通信系统中数据流的数据包的采样频率偏移的方法 | |
CN1674573A (zh) | 正交频分复用接收器中的跟踪系统 | |
CN101981883B (zh) | 多级傅立叶变换装置、方法和制品 | |
CN1300947C (zh) | 移动通信系统中补偿频率偏移的装置和方法 | |
CN101317411A (zh) | 相位噪声消除ofdm接收器 | |
CN1816032A (zh) | 用于补偿无线通信系统中的频率偏移的设备和方法 | |
CN1350724A (zh) | 在无线通信系统中使用的提供接收信号干扰的正确估计值的系统和方法 | |
CN1926767A (zh) | 同步跟踪装置和同步跟踪方法 | |
CN1541473A (zh) | 用于自适应突发调制解调器和链路跳变无线电网络的载波相位恢复系统 | |
CN1901440A (zh) | 时序恢复的电路和方法 | |
CN1111044A (zh) | 用于延迟检波式射频解调单元的自动频率控制方法和电路 | |
CN100340122C (zh) | 移动通信系统中的传播路径推断方法 | |
CN1706112A (zh) | 用于补偿自动增益控制器的增益的设备和方法 | |
CN101884186A (zh) | 导频序列的分配 | |
CN1132388C (zh) | 用于多载波系统的时间频率差分编码的装置和方法 | |
CN1172543C (zh) | 波形均衡器、移动台、基站、及移动通信系统 | |
CN101068232A (zh) | 得到信道时域响应方法及装置、ofdm符号精同步方法及装置 | |
US8738680B2 (en) | Reuse engine with task list for fast fourier transform and method of using the same | |
CN100347962C (zh) | 时域同步正交频分复用接收机去除相位噪声的方法及系统 | |
CN1585283A (zh) | 基于训练序列的td-scdma系统频偏补偿方法及装置 | |
CN1310902A (zh) | 跟踪可变延迟信道的设备和方法 | |
CN1710896A (zh) | 移动通信系统中的频偏估计方法及装置 | |
CN1174591C (zh) | 模式匹配装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: INTEL MOBILE COMMUNICATIONS TECHNOLOGY LTD. Free format text: FORMER OWNER: INFENNIAN TECHNOLOGIES AG Effective date: 20120524 Owner name: INTEL MOBILE COMMUNICATIONS LTD. Free format text: FORMER OWNER: INTEL MOBILE COMMUNICATIONS TECHNOLOGY LTD. Effective date: 20120524 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20120524 Address after: Neubiberg, Germany Patentee after: Intel Mobile Communications GmbH Address before: Munich, Germany Patentee before: INFINEON TECHNOLOGIES AG Effective date of registration: 20120524 Address after: Neubiberg, Germany Patentee after: Intel Mobile Communications GmbH Address before: Neubiberg, Germany Patentee before: Intel Mobile Communications GmbH |
|
C56 | Change in the name or address of the patentee | ||
CP01 | Change in the name or title of a patent holder |
Address after: Neubiberg, Germany Patentee after: Intel Mobile Communications GmbH Address before: Neubiberg, Germany Patentee before: Intel Mobile Communications GmbH |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120509 Termination date: 20160519 |
|
CF01 | Termination of patent right due to non-payment of annual fee |