DE69924181T2 - Erfassung von Frequenzverschiebungen in Mehrträgerempfängern - Google Patents

Erfassung von Frequenzverschiebungen in Mehrträgerempfängern Download PDF

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Publication number
DE69924181T2
DE69924181T2 DE69924181T DE69924181T DE69924181T2 DE 69924181 T2 DE69924181 T2 DE 69924181T2 DE 69924181 T DE69924181 T DE 69924181T DE 69924181 T DE69924181 T DE 69924181T DE 69924181 T2 DE69924181 T2 DE 69924181T2
Authority
DE
Germany
Prior art keywords
cyclic prefix
signal
components
circuit
fourier transform
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
Application number
DE69924181T
Other languages
German (de)
English (en)
Other versions
DE69924181D1 (de
Inventor
Mitsuhiro Shinagawa-ku Suzuki
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sony Corp
Original Assignee
Sony Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Sony Corp filed Critical Sony Corp
Application granted granted Critical
Publication of DE69924181D1 publication Critical patent/DE69924181D1/de
Publication of DE69924181T2 publication Critical patent/DE69924181T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • H04B7/204—Multiple access
    • 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
    • H04L27/26—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
DE69924181T 1998-05-29 1999-05-27 Erfassung von Frequenzverschiebungen in Mehrträgerempfängern Expired - Fee Related DE69924181T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP15033098 1998-05-29
JP15033098A JP3915247B2 (ja) 1998-05-29 1998-05-29 受信方法及び受信装置

Publications (2)

Publication Number Publication Date
DE69924181D1 DE69924181D1 (de) 2005-04-21
DE69924181T2 true DE69924181T2 (de) 2006-03-23

Family

ID=15494664

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69924181T Expired - Fee Related DE69924181T2 (de) 1998-05-29 1999-05-27 Erfassung von Frequenzverschiebungen in Mehrträgerempfängern

Country Status (5)

Country Link
US (1) US6381263B1 (enExample)
EP (1) EP0961450B1 (enExample)
JP (1) JP3915247B2 (enExample)
KR (1) KR100567851B1 (enExample)
DE (1) DE69924181T2 (enExample)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6552995B1 (en) * 1998-02-19 2003-04-22 Advantest Corporation Spectrum diffusion signal analyzer and method of analyzing diffusion signal
JP4378837B2 (ja) * 2000-04-07 2009-12-09 ソニー株式会社 受信装置
EP1187387A1 (en) * 2000-09-08 2002-03-13 Alcatel Multicarrier GSM receiver
KR100376804B1 (ko) * 2000-09-29 2003-03-19 삼성전자주식회사 직교 주파수 분할 다중 방식 시스템의 주파수 옵셋 보상장치 및 방법
KR100376803B1 (ko) * 2000-09-29 2003-03-19 삼성전자주식회사 직교 주파수 분할 다중 방식 시스템의 주파수 옵셋 보상장치 및 방법
US6950389B2 (en) * 2001-02-16 2005-09-27 Agere Systems Inc. Peak-to-average power reduction in an orthogonal frequency division multiplexing system
KR100438570B1 (ko) * 2001-08-23 2004-07-02 엘지전자 주식회사 무선 랜 수신기의 주파수 오차 검출 방법
KR100640581B1 (ko) * 2004-07-02 2006-10-31 삼성전자주식회사 상향 링크 통신시 엑세스 사용자의 주파수 옵셋을제어하는 직교 주파수 분할 다중 접속 시스템 및 주파수옵셋 제어 방법
US7298772B1 (en) 2004-09-03 2007-11-20 Redpine Signals, Inc. Packet detection, symbol timing, and coarse frequency estimation in an OFDM communications system
US20090279420A1 (en) * 2005-01-11 2009-11-12 Nec Corporation Base station apparatus, radio transmission system, radio base station program, and timing estimation method
US20060224651A1 (en) * 2005-03-31 2006-10-05 Texas Instruments Incorporated Combined IFFT and FFT system
JP5278678B2 (ja) * 2006-10-16 2013-09-04 日本電気株式会社 受信方法および受信装置
JP4987638B2 (ja) * 2007-09-10 2012-07-25 ソフトバンクモバイル株式会社 受信装置
US20110194655A1 (en) * 2010-02-10 2011-08-11 Qualcomm Incorporated Methods and apparatus to perform residual frequency offset estimation and correction in ieee 802.11 waveforms
KR101435280B1 (ko) * 2012-11-22 2014-08-27 강원대학교산학협력단 자기상관 함수와 fft를 이용한 fm 무선마이크 신호 감지 방법

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5732113A (en) * 1996-06-20 1998-03-24 Stanford University Timing and frequency synchronization of OFDM signals
US6192026B1 (en) * 1998-02-06 2001-02-20 Cisco Systems, Inc. Medium access control protocol for OFDM wireless networks

Also Published As

Publication number Publication date
KR100567851B1 (ko) 2006-04-05
EP0961450B1 (en) 2005-03-16
JP3915247B2 (ja) 2007-05-16
KR19990088650A (ko) 1999-12-27
DE69924181D1 (de) 2005-04-21
US6381263B1 (en) 2002-04-30
EP0961450A3 (en) 2003-05-14
EP0961450A2 (en) 1999-12-01
JPH11346204A (ja) 1999-12-14

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8339 Ceased/non-payment of the annual fee