CN101170536B - 相关值生成方法以及相关器 - Google Patents
相关值生成方法以及相关器 Download PDFInfo
- Publication number
- CN101170536B CN101170536B CN200710146569.9A CN200710146569A CN101170536B CN 101170536 B CN101170536 B CN 101170536B CN 200710146569 A CN200710146569 A CN 200710146569A CN 101170536 B CN101170536 B CN 101170536B
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- delay cell
- delay
- output signal
- correlation
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- 238000004364 calculation method Methods 0.000 title claims abstract description 13
- 230000010354 integration Effects 0.000 claims abstract description 11
- 230000001360 synchronised effect Effects 0.000 claims description 30
- 238000000034 method Methods 0.000 claims description 22
- 230000015654 memory Effects 0.000 claims description 16
- 230000008859 change Effects 0.000 claims description 11
- 230000002123 temporal effect Effects 0.000 claims description 2
- 230000003111 delayed effect Effects 0.000 abstract description 5
- 230000006866 deterioration Effects 0.000 abstract description 5
- 230000000087 stabilizing effect Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 13
- 238000004891 communication Methods 0.000 description 3
- 230000000875 corresponding effect Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000012937 correction Methods 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- 230000001902 propagating effect Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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- 238000001914 filtration Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
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- 230000003252 repetitive 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
- H04L27/26—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
-
- 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
-
- 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
- H04L27/2662—Symbol 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
- H04L27/2681—Details of algorithms characterised by constraints
- H04L27/2688—Resistance to perturbation, e.g. noise, interference or fading
Abstract
Description
Claims (11)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006287153 | 2006-10-23 | ||
JP2006-287153 | 2006-10-23 | ||
JP2006287153A JP4388943B2 (ja) | 2006-10-23 | 2006-10-23 | 相関器 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101170536A CN101170536A (zh) | 2008-04-30 |
CN101170536B true CN101170536B (zh) | 2014-05-07 |
Family
ID=39317908
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN200710146569.9A Expired - Fee Related CN101170536B (zh) | 2006-10-23 | 2007-08-21 | 相关值生成方法以及相关器 |
Country Status (4)
Country | Link |
---|---|
US (1) | US20080095280A1 (zh) |
JP (1) | JP4388943B2 (zh) |
KR (1) | KR101496452B1 (zh) |
CN (1) | CN101170536B (zh) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI378692B (en) * | 2007-07-06 | 2012-12-01 | Princeton Technology Corp | Device for determining pn code automatically and related method |
JP4351279B2 (ja) * | 2007-09-20 | 2009-10-28 | Okiセミコンダクタ株式会社 | Ofdm復調装置 |
JP5031600B2 (ja) * | 2008-01-28 | 2012-09-19 | 京セラ株式会社 | 無線通信方法、無線通信システム、基地局、移動局 |
CN101447860B (zh) * | 2008-11-28 | 2010-12-22 | 清华大学 | 任意位高速滑动相关器及其应用 |
JP2011003970A (ja) * | 2009-06-16 | 2011-01-06 | Fujitsu Ltd | 受信装置、基地局装置及び同期タイミング検出方法 |
US8744019B2 (en) * | 2010-02-04 | 2014-06-03 | Panasonic Corporation | Delay detector circuit and receiver apparatus |
JP2011199391A (ja) * | 2010-03-17 | 2011-10-06 | Toshiba Corp | 伝送路応答推定器 |
JP2012044414A (ja) * | 2010-08-18 | 2012-03-01 | Lapis Semiconductor Co Ltd | 相関器及びそれを含む復調装置 |
JP5649877B2 (ja) | 2010-08-30 | 2015-01-07 | ラピスセミコンダクタ株式会社 | 相関器及びそれを含む復調装置 |
CN102571676B (zh) * | 2012-02-20 | 2015-04-08 | 武汉邮电科学研究院 | 正交频分复用系统中帧同步和频偏精确估计的方法 |
US10389464B2 (en) * | 2016-04-28 | 2019-08-20 | Samsung Electronics Co., Ltd | System and method for improved data decoding, tracking, and other receiver functions in the presence of interference |
JP6906966B2 (ja) * | 2017-01-27 | 2021-07-21 | ラピスセミコンダクタ株式会社 | 信号検出回路及び信号検出方法 |
CN114785454A (zh) * | 2022-03-31 | 2022-07-22 | 国网北京市电力公司 | 信号处理系统及处理方法 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6246717B1 (en) * | 1998-11-03 | 2001-06-12 | Tektronix, Inc. | Measurement test set and method for in-service measurements of phase noise |
CN1692587A (zh) * | 2002-12-27 | 2005-11-02 | 索尼株式会社 | Ofdm解调器 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7082174B1 (en) * | 2000-07-24 | 2006-07-25 | Qualcomm, Incorporated | Method and apparatus for processing a modulated signal using an equalizer and a rake receiver |
GB2369016B (en) * | 2000-11-09 | 2004-06-09 | Sony Uk Ltd | Receiver |
EP1511179B1 (en) * | 2002-05-31 | 2013-07-03 | Fujitsu Limited | Adaptive controller |
KR20040032687A (ko) * | 2002-10-10 | 2004-04-17 | 엘지전자 주식회사 | 고속 무선랜의 오에프디엠 반송파 동기화 장치 및 방법 |
EP1566906A4 (en) * | 2002-11-28 | 2007-07-25 | Fujitsu Ltd | DELAY DETECTION DEVICE AND CORRELATOR |
CN1846415B (zh) * | 2003-03-28 | 2010-08-04 | 英特尔公司 | 用于ofdm信号的两信道频偏估计的系统和方法 |
JP2005102121A (ja) * | 2003-09-05 | 2005-04-14 | Seiko Epson Corp | 受信装置 |
DE602004018260D1 (de) * | 2004-02-06 | 2009-01-22 | St Microelectronics Srl | Verfahren und Vorrichtung zur Kanalschätzung und Zellsuche in einem zellularen Nachrichtentechniksystem und entsprechendes Software Produkt. |
EP1830501A1 (en) * | 2004-12-21 | 2007-09-05 | Matsushita Electric Industrial Co., Ltd. | Ofdm reception device |
US7684473B2 (en) * | 2005-06-01 | 2010-03-23 | Qualcomm Incorporated | Receiver for wireless communication network with extended range |
US7639748B2 (en) * | 2005-08-30 | 2009-12-29 | Via Technologies, Inc. | Method and circuit for fine timing synchronization in the orthogonal frequency division multiplexing baseband receiver for IEEE 802.11a/g wireless LAN standard |
US20070047678A1 (en) * | 2005-08-30 | 2007-03-01 | Motorola, Inc. | Method and system for combined polarimetric and coherent processing for a wireless system |
-
2006
- 2006-10-23 JP JP2006287153A patent/JP4388943B2/ja active Active
-
2007
- 2007-08-06 KR KR20070078396A patent/KR101496452B1/ko active IP Right Grant
- 2007-08-21 CN CN200710146569.9A patent/CN101170536B/zh not_active Expired - Fee Related
- 2007-09-04 US US11/896,525 patent/US20080095280A1/en not_active Abandoned
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6246717B1 (en) * | 1998-11-03 | 2001-06-12 | Tektronix, Inc. | Measurement test set and method for in-service measurements of phase noise |
CN1692587A (zh) * | 2002-12-27 | 2005-11-02 | 索尼株式会社 | Ofdm解调器 |
Also Published As
Publication number | Publication date |
---|---|
US20080095280A1 (en) | 2008-04-24 |
JP4388943B2 (ja) | 2009-12-24 |
KR101496452B1 (ko) | 2015-02-26 |
KR20080036511A (ko) | 2008-04-28 |
CN101170536A (zh) | 2008-04-30 |
JP2008109174A (ja) | 2008-05-08 |
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C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
ASS | Succession or assignment of patent right |
Owner name: OKI SEMICONDUCTOR CO., LTD. Free format text: FORMER OWNER: OKI ELECTRIC INDUSTRY CO., LTD. Effective date: 20131204 |
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C41 | Transfer of patent application or patent right or utility model | ||
C53 | Correction of patent of invention or patent application | ||
CB02 | Change of applicant information |
Address after: Kanagawa Applicant after: LAPIS SEMICONDUCTOR Co.,Ltd. Address before: Tokyo, Japan Applicant before: OKI Semiconductor Corp. |
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TA01 | Transfer of patent application right |
Effective date of registration: 20131204 Address after: Tokyo, Japan Applicant after: OKI Semiconductor Corp. Address before: Tokyo, Japan Applicant before: Oki Electric Industry Co.,Ltd. |
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C14 | Grant of patent or utility model | ||
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: 20140507 Termination date: 20160821 |