CN100574300C - 接收器中检测有用信号的装置及方法 - Google Patents
接收器中检测有用信号的装置及方法 Download PDFInfo
- Publication number
- CN100574300C CN100574300C CNB038231263A CN03823126A CN100574300C CN 100574300 C CN100574300 C CN 100574300C CN B038231263 A CNB038231263 A CN B038231263A CN 03823126 A CN03823126 A CN 03823126A CN 100574300 C CN100574300 C CN 100574300C
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- CN
- China
- Prior art keywords
- signal
- unit
- logical
- useful
- crosscorrelation
- 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
- 238000000034 method Methods 0.000 title claims description 15
- 230000000737 periodic effect Effects 0.000 claims abstract description 32
- 239000002131 composite material Substances 0.000 claims abstract description 21
- 238000001514 detection method Methods 0.000 claims description 20
- 230000001427 coherent effect Effects 0.000 claims description 14
- 230000015572 biosynthetic process Effects 0.000 claims description 10
- 238000010276 construction Methods 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 claims 1
- 230000002596 correlated effect Effects 0.000 abstract description 5
- 230000005540 biological transmission Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 9
- 238000005311 autocorrelation function Methods 0.000 description 5
- 238000012549 training Methods 0.000 description 5
- 230000000875 corresponding effect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000021615 conjugation Effects 0.000 description 1
- 238000009795 derivation Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 1
- 235000015220 hamburgers Nutrition 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000012360 testing method Methods 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
- H04L27/0012—Modulated-carrier systems arrangements for identifying the type of modulation
-
- 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
- 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
- H04L7/00—Arrangements for synchronising receiver with transmitter
- H04L7/04—Speed or phase control by synchronisation signals
- H04L7/08—Speed or phase control by synchronisation signals the synchronisation signals recurring cyclically
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
Abstract
Description
Claims (16)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10245039.0 | 2002-09-26 | ||
DE10245039A DE10245039A1 (de) | 2002-09-26 | 2002-09-26 | Vorrichtung und Verfahren zur Erkennung eines Nutzsignals in einem Empfänger |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1689296A CN1689296A (zh) | 2005-10-26 |
CN100574300C true CN100574300C (zh) | 2009-12-23 |
Family
ID=31984127
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB038231263A Expired - Fee Related CN100574300C (zh) | 2002-09-26 | 2003-08-28 | 接收器中检测有用信号的装置及方法 |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1543665B8 (zh) |
CN (1) | CN100574300C (zh) |
DE (2) | DE10245039A1 (zh) |
WO (1) | WO2004030302A1 (zh) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10323231B4 (de) * | 2003-05-22 | 2006-02-02 | Infineon Technologies Ag | Erkennung eines periodischen frequenzoffset-behafteten Nutzsignals durch mehrfache parallele Kreuzkorrelation mit einem bekannten Signal unter Nutzung von Frequenzverschiebungen |
DE102004025109B4 (de) * | 2004-05-21 | 2007-05-03 | Infineon Technologies Ag | Vorrichtung und Verfahren zur Präambeldetektion und Rahmensynchronisation bei der Datenpaketübertragung |
DE102005006442A1 (de) * | 2005-02-12 | 2006-08-24 | Newlogic Technologies Ag | Vorrichtung und Methode zur Detektion von Präambeln nach dem IEEE 802.11b Wireless LAN Standard |
FR2916921A1 (fr) | 2007-05-31 | 2008-12-05 | Commissariat Energie Atomique | Methode d'estimation de caracteristiques de signaux ofdm |
DE102009035524B4 (de) | 2009-07-31 | 2012-11-29 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Verfahren zur Erkennung eines oder mehrerer Nutzsignale innerhalb eines Quellsignals |
DE102012012626B4 (de) | 2012-06-25 | 2022-05-12 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Verfahren zur Hervorhebung und Detektion wiederholter Nutzsignalkomponenten innerhalb eines Quellsignals |
DE102019124399B3 (de) * | 2019-09-11 | 2020-09-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Verfahren und vorrichtung zur raumfilterung zumindest eines autokorrelierten nutzsignals aus einem empfangssignal einer gruppenantenne |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3486576B2 (ja) * | 1999-05-18 | 2004-01-13 | シャープ株式会社 | Ofdm受信装置及びその周波数オフセット補償方法 |
EP1093268B1 (en) * | 1999-10-13 | 2006-12-27 | Alps Electric Co., Ltd. | OFDM receiving apparatus |
-
2002
- 2002-09-26 DE DE10245039A patent/DE10245039A1/de not_active Withdrawn
-
2003
- 2003-08-28 WO PCT/DE2003/002866 patent/WO2004030302A1/de active IP Right Grant
- 2003-08-28 CN CNB038231263A patent/CN100574300C/zh not_active Expired - Fee Related
- 2003-08-28 EP EP03750295A patent/EP1543665B8/de not_active Expired - Fee Related
- 2003-08-28 DE DE50307191T patent/DE50307191D1/de not_active Expired - Lifetime
Non-Patent Citations (1)
Title |
---|
交叉魏格纳分布函数中拉冬变换的特性研究. 陈笑梅.信息工程大学学报,第2卷第3期. 2001 * |
Also Published As
Publication number | Publication date |
---|---|
EP1543665A1 (de) | 2005-06-22 |
EP1543665B8 (de) | 2007-07-11 |
WO2004030302A1 (de) | 2004-04-08 |
DE50307191D1 (de) | 2007-06-14 |
DE10245039A1 (de) | 2004-04-08 |
EP1543665B1 (de) | 2007-05-02 |
CN1689296A (zh) | 2005-10-26 |
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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: INFINEON TECHNOLOGIES AG Effective date: 20120611 |
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C41 | Transfer of patent application or patent right or utility model | ||
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Owner name: INFINEON TECHNOLOGIES AG Free format text: FORMER NAME: INFENNIAN TECHNOLOGIES AG |
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CP03 | Change of name, title or address |
Address after: Neubiberg, Germany Patentee after: Infineon Technologies AG Address before: Munich, Germany Patentee before: INFINEON TECHNOLOGIES AG |
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TR01 | Transfer of patent right |
Effective date of registration: 20120611 Address after: Neubiberg, Germany Patentee after: Intel Mobile Communications GmbH Address before: Neubiberg, Germany Patentee before: Infineon Technologies AG |
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C41 | Transfer of patent application or patent right or utility model | ||
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 |
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TR01 | Transfer of patent right |
Effective date of registration: 20161031 Address after: Neubiberg, Germany Patentee after: Intel Mobile Communications GmbH Address before: Neubiberg, Germany Patentee before: Intel Mobile Communications GmbH |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091223 Termination date: 20170828 |
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CF01 | Termination of patent right due to non-payment of annual fee |