JP5161307B2 - 周期定常信号を検出する方法 - Google Patents
周期定常信号を検出する方法 Download PDFInfo
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- JP5161307B2 JP5161307B2 JP2010516511A JP2010516511A JP5161307B2 JP 5161307 B2 JP5161307 B2 JP 5161307B2 JP 2010516511 A JP2010516511 A JP 2010516511A JP 2010516511 A JP2010516511 A JP 2010516511A JP 5161307 B2 JP5161307 B2 JP 5161307B2
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- signal
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- correlation coefficient
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- detection method
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—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
- H04L27/2678—Blind, i.e. without using known symbols using cyclostationarities, e.g. cyclic prefix or postfix
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/0006—Assessment of spectral gaps suitable for allocating digitally modulated signals, e.g. for carrier allocation in cognitive radio
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
- Radar Systems Or Details Thereof (AREA)
- Mobile Radio Communication Systems (AREA)
Description
Claims (12)
- 受信機によって送信機から受信したか、あるいは読取り装置によって記録媒体から読み取った、解析すべき信号中の周期定常信号を検出するための方法であって、
前記解析すべき信号の循環相関係数の二次形式として表される判別関数Jの値が、非ゼロ時間シフトの集合
上式で、γ(ν,x)が、より低い正規化不完全ガンマ関数であり、νが、非ゼロ時間シフトの前記集合の基数(M)と循環周波数の前記集合の基数(K)の積であり、Uが、自己相関窓の幅であって、その幅に対して前記循環相関係数が計算され、また、σ4が、雑音分散の二乗である、検出方法。 - 複数の受信機によって送信機から受信したか、あるいは複数の読取り装置によって記録媒体から読み取った、解析すべき複数Qの信号(sq(t))中の周期定常信号を検出する方法であって、
解析すべき前記信号の各々に対して、非ゼロ時間シフトの集合、
上式で、γ(ν,x)が、より低い正規化不完全ガンマ関数であり、νqが、解析すべき前記信号sq(t)に対する非ゼロ時間シフトの前記集合の基数(Mq)と循環周波数の前記集合の基数(Kq)の積であり、Uqが、自己相関窓の幅であって、その幅に対して前記循環相関係数が計算され、また、
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0756530A FR2919135B1 (fr) | 2007-07-17 | 2007-07-17 | Methode de detection de signaux cyclostationnaires |
FR07/56530 | 2007-07-17 | ||
PCT/EP2008/059397 WO2009010564A2 (fr) | 2007-07-17 | 2008-07-17 | Méthode de détection de signaux cyclostationnaires |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2010534018A JP2010534018A (ja) | 2010-10-28 |
JP5161307B2 true JP5161307B2 (ja) | 2013-03-13 |
Family
ID=39262736
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2010516511A Expired - Fee Related JP5161307B2 (ja) | 2007-07-17 | 2008-07-17 | 周期定常信号を検出する方法 |
Country Status (6)
Country | Link |
---|---|
US (1) | US8254497B2 (ja) |
EP (1) | EP2168337B1 (ja) |
JP (1) | JP5161307B2 (ja) |
KR (1) | KR20100059794A (ja) |
FR (1) | FR2919135B1 (ja) |
WO (1) | WO2009010564A2 (ja) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2936122B1 (fr) * | 2008-09-15 | 2010-10-15 | Commissariat Energie Atomique | Methode d'estimation aveugle de parametres de signal ofdm par filtrage adapte. |
KR20120056644A (ko) * | 2010-11-25 | 2012-06-04 | 한국전자통신연구원 | 직교주파수분할다중화 신호 검출 방법 및 장치 |
FR2988245B1 (fr) | 2012-03-15 | 2014-04-11 | Commissariat Energie Atomique | Methode d'identification et de detection d'un signal radio pour systeme de communication opportuniste |
FR3009913B1 (fr) * | 2013-08-23 | 2015-08-28 | Thales Sa | Procede de detection d'un signal electromagnetique par un reseau antennaire a diversite de diagramme et dispositif mettant en oeuvre le procede |
US9755869B2 (en) | 2013-11-18 | 2017-09-05 | Bae Systems Information And Electronic Systems Integration Inc. | Process for tunnelized cyclostationary to achieve low-energy spectrum sensing |
US20190229959A1 (en) | 2016-09-27 | 2019-07-25 | Bae Systems Information And Electronic Systems Integration Inc. | Techniques for implementing a portable spectrum analyzer |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5260968A (en) * | 1992-06-23 | 1993-11-09 | The Regents Of The University Of California | Method and apparatus for multiplexing communications signals through blind adaptive spatial filtering |
US6898235B1 (en) * | 1999-12-10 | 2005-05-24 | Argon St Incorporated | Wideband communication intercept and direction finding device using hyperchannelization |
WO2004080020A2 (en) * | 2003-03-03 | 2004-09-16 | Matsushita Electric Industrial Co. Ltd. | Methods and apparatus for reducing discrete power spectral density components of signals transmitted in wideband communication systems |
JP4531581B2 (ja) * | 2005-02-09 | 2010-08-25 | 株式会社エヌ・ティ・ティ・ドコモ | 無線通信用送受信装置における制御装置及び無線通信用送受信方法 |
EP2089990A2 (en) * | 2006-11-23 | 2009-08-19 | New Jersey Institute of Technology | Mobile speed and doppler frequency estimation using cyclostationarity |
FR2919134B1 (fr) * | 2007-07-17 | 2009-12-25 | Commissariat Energie Atomique | Methode de detection de presence de signaux etales spectralement |
-
2007
- 2007-07-17 FR FR0756530A patent/FR2919135B1/fr not_active Expired - Fee Related
-
2008
- 2008-07-17 US US12/669,445 patent/US8254497B2/en active Active
- 2008-07-17 JP JP2010516511A patent/JP5161307B2/ja not_active Expired - Fee Related
- 2008-07-17 EP EP08786227.2A patent/EP2168337B1/fr active Active
- 2008-07-17 KR KR1020107003141A patent/KR20100059794A/ko not_active Application Discontinuation
- 2008-07-17 WO PCT/EP2008/059397 patent/WO2009010564A2/fr active Application Filing
Also Published As
Publication number | Publication date |
---|---|
WO2009010564A2 (fr) | 2009-01-22 |
JP2010534018A (ja) | 2010-10-28 |
US20100195705A1 (en) | 2010-08-05 |
WO2009010564A3 (fr) | 2009-03-26 |
FR2919135A1 (fr) | 2009-01-23 |
KR20100059794A (ko) | 2010-06-04 |
EP2168337A2 (fr) | 2010-03-31 |
FR2919135B1 (fr) | 2009-10-30 |
US8254497B2 (en) | 2012-08-28 |
EP2168337B1 (fr) | 2014-04-09 |
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