ATE546004T1 - Bestimmung eines anfangspunktes des fft fensters in einem ofdm empfänger - Google Patents

Bestimmung eines anfangspunktes des fft fensters in einem ofdm empfänger

Info

Publication number
ATE546004T1
ATE546004T1 AT09252278T AT09252278T ATE546004T1 AT E546004 T1 ATE546004 T1 AT E546004T1 AT 09252278 T AT09252278 T AT 09252278T AT 09252278 T AT09252278 T AT 09252278T AT E546004 T1 ATE546004 T1 AT E546004T1
Authority
AT
Austria
Prior art keywords
fft
section
interval
determining
start point
Prior art date
Application number
AT09252278T
Other languages
English (en)
Inventor
Hidetoshi Kawauchi
Masayuki Hattori
Takashi Yokokawa
Kazuhiro Shimizu
Kazuhisa Funamoto
Toshiyuki Miyauchi
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 ATE546004T1 publication Critical patent/ATE546004T1/de

Links

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
    • H04L27/2662—Symbol synchronisation
    • H04L27/2665—Fine synchronisation, e.g. by positioning the FFT window
    • 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
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H04L25/0224—Channel estimation using sounding signals
    • H04L25/0228—Channel estimation using sounding signals with direct estimation from sounding signals
    • H04L25/023—Channel estimation using sounding signals with direct estimation from sounding signals with extension to other symbols
    • H04L25/0232—Channel estimation using sounding signals with direct estimation from sounding signals with extension to other symbols by interpolation between sounding signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/01—Equalisers
    • 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
    • H04L27/26524—Fast Fourier transform [FFT] or discrete Fourier transform [DFT] demodulators in combination with other circuits for demodulation
    • H04L27/26526—Fast Fourier transform [FFT] or discrete Fourier transform [DFT] demodulators in combination with other circuits for demodulation with inverse FFT [IFFT] or inverse DFT [IDFT] demodulators, e.g. standard single-carrier frequency-division multiple access [SC-FDMA] receiver or DFT spread orthogonal frequency division multiplexing [DFT-SOFDM]
    • 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
    • H04L27/2689—Link with other circuits, i.e. special connections between synchronisation arrangements and other circuits for achieving synchronisation
    • H04L27/2695—Link with other circuits, i.e. special connections between synchronisation arrangements and other circuits for achieving synchronisation with channel estimation, e.g. determination of delay spread, derivative or peak tracking
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/30—Monitoring; Testing of propagation channels
    • H04B17/309—Measuring or estimating channel quality parameters
    • H04B17/364—Delay profiles
    • 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
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L25/03159—Arrangements for removing intersymbol interference operating in the frequency domain
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Circuits Of Receivers In General (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Noise Elimination (AREA)
AT09252278T 2008-09-30 2009-09-25 Bestimmung eines anfangspunktes des fft fensters in einem ofdm empfänger ATE546004T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2008253299A JP4655241B2 (ja) 2008-09-30 2008-09-30 受信装置、受信方法、およびプログラム

Publications (1)

Publication Number Publication Date
ATE546004T1 true ATE546004T1 (de) 2012-03-15

Family

ID=41449927

Family Applications (1)

Application Number Title Priority Date Filing Date
AT09252278T ATE546004T1 (de) 2008-09-30 2009-09-25 Bestimmung eines anfangspunktes des fft fensters in einem ofdm empfänger

Country Status (8)

Country Link
US (1) US8437426B2 (de)
EP (1) EP2169893B1 (de)
JP (1) JP4655241B2 (de)
KR (1) KR101603342B1 (de)
CN (1) CN101714966B (de)
AT (1) ATE546004T1 (de)
BR (1) BRPI0903478A2 (de)
RU (1) RU2444136C2 (de)

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JP4755077B2 (ja) * 2006-12-22 2011-08-24 富士通セミコンダクター株式会社 伝送モード、ガード長検出回路とその方法
JP4631955B2 (ja) 2008-09-30 2011-02-16 ソニー株式会社 情報処理装置および方法、表示装置、並びにプログラム
US20100302930A1 (en) * 2009-05-31 2010-12-02 Qualcomm Incorporated Low Power Quality-Energy Scalable OFDMA Baseband Design
JP5284891B2 (ja) * 2009-06-26 2013-09-11 京セラ株式会社 通信装置及び遅延量検出方法
US8498298B2 (en) * 2009-12-22 2013-07-30 Lg Electronics Inc. Digital broadcasting system and method for transmitting and receiving digital broadcast signal
JP5530238B2 (ja) * 2010-04-15 2014-06-25 パイオニア株式会社 受信装置及び受信方法
JP2012204941A (ja) * 2011-03-24 2012-10-22 Toshiba Corp 受信装置および受信方法
JP5543033B2 (ja) * 2011-09-05 2014-07-09 三菱電機株式会社 受信装置および受信方法
TWI470980B (zh) * 2012-12-26 2015-01-21 Mstar Semiconductor Inc 解碼方法及多媒體播放系統
GB2512126A (en) * 2013-03-21 2014-09-24 Sony Corp Infrastructure equipment, Mobile communications network, system and method
RU2582590C1 (ru) * 2014-12-19 2016-04-27 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Томский государственный университет систем управления и радиоэлектроники" Способ оценки сдвига частоты для систем связи, использующих ofdm сигналы
KR102472991B1 (ko) * 2016-01-27 2022-12-01 엘지전자 주식회사 시간 효율성 증대를 위한 신호의 적응적 송수신 방법 및 이를 위한 장치
EP3616375A1 (de) * 2017-04-28 2020-03-04 Nokia Technologies Oy Frequenzbereichssender und -empfänger, die sich an unterschiedliche abstandskonfigurationen der unterträger anpassen
EP3742623B1 (de) * 2018-02-27 2022-08-24 Mitsubishi Electric Corporation Drahtlose übertragungsvorrichtung, drahtlose empfangsvorrichtung und drahtloses kommunikationssystem
CN113473348B (zh) * 2021-07-26 2023-03-24 深圳市冠旭电子股份有限公司 扫频音源定位方法、音频设备品质测试方法、***及设备

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JPH10112736A (ja) * 1996-10-03 1998-04-28 Toyo Commun Equip Co Ltd 同期検出回路
KR100234330B1 (ko) * 1997-09-30 1999-12-15 윤종용 Ofdm 시스템 수신기의 보호 구간 종류 검출장치 및 그 방법
JP2000332727A (ja) * 1999-05-21 2000-11-30 Toshiba Corp Ｏｆｄｍ受信装置
GB2376855A (en) * 2001-06-20 2002-12-24 Sony Uk Ltd Determining symbol synchronisation in an OFDM receiver in response to one of two impulse response estimates
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JP4419969B2 (ja) * 2006-02-09 2010-02-24 ソニー株式会社 Ｏｆｄｍ復調装置及び方法
RU2310280C9 (ru) * 2006-03-27 2008-01-10 Закрытое акционерное общество "Кодофон" Способ передачи-приема данных в системе радиосвязи (варианты), способ оценки интервала корреляции принятых ортогональных частотно-мультиплексированных символов (варианты) и устройство их реализующее (варианты)
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JP4961918B2 (ja) * 2006-09-12 2012-06-27 ソニー株式会社 Ｏｆｄｍ受信装置及びｏｆｄｍ受信方法
BRPI0720832A2 (pt) * 2007-01-18 2013-01-29 Thomson Licensing mÉtodo para sincronizaÇço de sÍmbolos de sinais digitais recebidos e receptor de sinais digitais utilizando o mesmo mÉtodo
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JP4623180B2 (ja) * 2008-09-19 2011-02-02 ソニー株式会社 受信装置、受信方法、およびプログラム

Also Published As

Publication number Publication date
JP2010087750A (ja) 2010-04-15
KR20100036979A (ko) 2010-04-08
CN101714966A (zh) 2010-05-26
US20100080330A1 (en) 2010-04-01
RU2009136114A (ru) 2011-04-10
EP2169893A3 (de) 2011-01-12
CN101714966B (zh) 2013-06-19
JP4655241B2 (ja) 2011-03-23
EP2169893B1 (de) 2012-02-15
KR101603342B1 (ko) 2016-03-14
RU2444136C2 (ru) 2012-02-27
EP2169893A2 (de) 2010-03-31
BRPI0903478A2 (pt) 2010-07-20
US8437426B2 (en) 2013-05-07

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