CN101606328A - 使用循环平稳性的移动速度和多普勒频率估计 - Google Patents
使用循环平稳性的移动速度和多普勒频率估计 Download PDFInfo
- Publication number
- CN101606328A CN101606328A CNA2007800434102A CN200780043410A CN101606328A CN 101606328 A CN101606328 A CN 101606328A CN A2007800434102 A CNA2007800434102 A CN A2007800434102A CN 200780043410 A CN200780043410 A CN 200780043410A CN 101606328 A CN101606328 A CN 101606328A
- Authority
- CN
- China
- Prior art keywords
- signal
- received
- factor
- relevant
- received signal
- 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/0202—Channel estimation
- H04L25/0222—Estimation of channel variability, e.g. coherence bandwidth, coherence time, fading frequency
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/01—Reducing phase shift
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
- G01S13/50—Systems of measurement based on relative movement of target
- G01S13/52—Discriminating between fixed and moving objects or between objects moving at different speeds
- G01S13/522—Discriminating between fixed and moving objects or between objects moving at different speeds using transmissions of interrupted pulse modulated waves
- G01S13/524—Discriminating between fixed and moving objects or between objects moving at different speeds using transmissions of interrupted pulse modulated waves based upon the phase or frequency shift resulting from movement of objects, with reference to the transmitted signals, e.g. coherent MTi
- G01S13/53—Discriminating between fixed and moving objects or between objects moving at different speeds using transmissions of interrupted pulse modulated waves based upon the phase or frequency shift resulting from movement of objects, with reference to the transmitted signals, e.g. coherent MTi performing filtering on a single spectral line and associated with one or more range gates with a phase detector or a frequency mixer to extract the Doppler information, e.g. pulse Doppler radar
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
- G01S13/50—Systems of measurement based on relative movement of target
- G01S13/58—Velocity or trajectory determination systems; Sense-of-movement determination systems
- G01S13/581—Velocity or trajectory determination systems; Sense-of-movement determination systems using transmission of interrupted pulse modulated waves and based upon the Doppler effect resulting from movement of targets
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
- H04L27/22—Demodulator circuits; Receiver circuits
- H04L27/227—Demodulator circuits; Receiver circuits using coherent demodulation
- H04L27/2275—Demodulator circuits; Receiver circuits using coherent demodulation wherein the carrier recovery circuit uses the received modulated signals
- H04L27/2278—Demodulator circuits; Receiver circuits using coherent demodulation wherein the carrier recovery circuit uses the received modulated signals using correlation techniques, e.g. for spread spectrum 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
- H04L27/2649—Demodulators
- H04L27/265—Fourier transform demodulators, e.g. fast Fourier transform [FFT] or discrete Fourier transform [DFT] demodulators
- H04L27/2651—Modification of fast Fourier transform [FFT] or discrete Fourier transform [DFT] demodulators for performance improvement
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Discrete Mathematics (AREA)
- Mathematical Physics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Power Engineering (AREA)
- Mobile Radio Communication Systems (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Radar Systems Or Details Thereof (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
Abstract
Description
Claims (22)
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US86711606P | 2006-11-23 | 2006-11-23 | |
US86711906P | 2006-11-23 | 2006-11-23 | |
US60/867,119 | 2006-11-23 | ||
US60/867,116 | 2006-11-23 | ||
PCT/US2007/085436 WO2008064339A2 (en) | 2006-11-23 | 2007-11-21 | Mobile speed and doppler frequency estimation using cyclostationarity |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101606328A true CN101606328A (zh) | 2009-12-16 |
CN101606328B CN101606328B (zh) | 2014-03-26 |
Family
ID=39126636
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN200780043410.2A Active CN101606328B (zh) | 2006-11-23 | 2007-11-21 | 使用循环平稳性的移动速度和多普勒频率估计 |
Country Status (6)
Country | Link |
---|---|
US (1) | US8209150B2 (zh) |
EP (1) | EP2089990A2 (zh) |
JP (1) | JP4944965B2 (zh) |
KR (2) | KR101123592B1 (zh) |
CN (1) | CN101606328B (zh) |
WO (1) | WO2008064339A2 (zh) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2919135B1 (fr) * | 2007-07-17 | 2009-10-30 | Commissariat Energie Atomique | Methode de detection de signaux cyclostationnaires |
CN102122974B (zh) * | 2010-01-08 | 2014-03-12 | 卓胜微电子(上海)有限公司 | 多普勒扩展估计装置 |
WO2014190463A1 (en) | 2013-05-27 | 2014-12-04 | Empire Technology Development Llc | Reducing distortion in radio communication for high speed vehicle |
FR3020686A1 (fr) | 2014-04-30 | 2015-11-06 | Thales Sa | Estimateur de frequence pour communication aeronautique |
US10330773B2 (en) * | 2016-06-16 | 2019-06-25 | Texas Instruments Incorporated | Radar hardware accelerator |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5585805A (en) * | 1993-02-26 | 1996-12-17 | Fujitsu Limited | Travel velocity detecting apparatus in mobile communication system |
US6658045B1 (en) * | 1999-02-22 | 2003-12-02 | Nortel Networks Limited | CDMA communications system adaptive to mobile unit speed |
DE60117202D1 (de) | 2001-09-03 | 2006-04-20 | St Microelectronics Nv | Verfahren und Gerät zur Geschwindigkeitsschätzung eines mobilen Endgeräts in einem drahtlosen Kommunikationssystem |
JP4546177B2 (ja) * | 2003-07-28 | 2010-09-15 | パナソニック株式会社 | 無線通信装置および無線通信方法 |
KR100733596B1 (ko) * | 2005-03-09 | 2007-06-28 | 재단법인서울대학교산학협력재단 | 적응 송수신 기법 구현을 위한 채널 특성 추정 장치 및 방법 |
-
2007
- 2007-11-21 JP JP2009538517A patent/JP4944965B2/ja not_active Expired - Fee Related
- 2007-11-21 CN CN200780043410.2A patent/CN101606328B/zh active Active
- 2007-11-21 US US11/944,279 patent/US8209150B2/en active Active
- 2007-11-21 WO PCT/US2007/085436 patent/WO2008064339A2/en active Application Filing
- 2007-11-21 KR KR1020097012849A patent/KR101123592B1/ko active IP Right Grant
- 2007-11-21 EP EP07845132A patent/EP2089990A2/en not_active Withdrawn
- 2007-11-21 KR KR1020117019597A patent/KR101174328B1/ko active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
US20080211719A1 (en) | 2008-09-04 |
CN101606328B (zh) | 2014-03-26 |
KR101174328B1 (ko) | 2012-08-16 |
KR20090083470A (ko) | 2009-08-03 |
KR20110100321A (ko) | 2011-09-09 |
EP2089990A2 (en) | 2009-08-19 |
JP4944965B2 (ja) | 2012-06-06 |
US8209150B2 (en) | 2012-06-26 |
WO2008064339A3 (en) | 2008-07-10 |
JP2010511332A (ja) | 2010-04-08 |
WO2008064339A2 (en) | 2008-05-29 |
KR101123592B1 (ko) | 2012-03-22 |
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PB01 | Publication | ||
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CI01 | Publication of corrected invention patent application |
Correction item: International Day of publication Correct: 20080529 False: 20080710 Number: 13 Volume: 30 |
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CI03 | Correction of invention patent |
Correction item: International Day of publication Correct: 20080529 False: 20080710 Number: 13 Page: The title page Volume: 30 |
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ERR | Gazette correction |
Free format text: CORRECT: INTERNATIONAL PROCLAMATION DATE; FROM: 2008.07.10 TO: 2008.05.29 |
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RECT | Rectification |