CN1153425C - 在发射数字信号时改进接收的方法和电路装置 - Google Patents

在发射数字信号时改进接收的方法和电路装置 Download PDF

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Publication number
CN1153425C
CN1153425C CNB961943289A CN96194328A CN1153425C CN 1153425 C CN1153425 C CN 1153425C CN B961943289 A CNB961943289 A CN B961943289A CN 96194328 A CN96194328 A CN 96194328A CN 1153425 C CN1153425 C CN 1153425C
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China
Prior art keywords
fft
signal
length
receiver
symbol
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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
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CNB961943289A
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English (en)
Chinese (zh)
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CN1186583A (zh
Inventor
克劳斯·马斯卡里克
维特·阿布拉斯特
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Deutsche Thomson Brandt GmbH
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Deutsche Thomson Brandt GmbH
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Publication of CN1186583A publication Critical patent/CN1186583A/zh
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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
    • 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
    • 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
    • H04L27/2626—Arrangements specific to the transmitter only
    • H04L27/2627—Modulators
    • H04L27/2644—Modulators with oversampling

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mathematical Physics (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Noise Elimination (AREA)
  • Television Systems (AREA)
  • Polyamides (AREA)
  • Selective Calling Equipment (AREA)
  • Radio Transmission System (AREA)
  • Radio Relay Systems (AREA)
CNB961943289A 1995-06-07 1996-05-23 在发射数字信号时改进接收的方法和电路装置 Expired - Fee Related CN1153425C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19520353.4 1995-06-07
DE19520353A DE19520353A1 (de) 1995-06-07 1995-06-07 Verfahren und Schaltungsanordnung zur Verbesserung des Empfangsverhaltens bei der Übertragung von digitalen Signalen

Publications (2)

Publication Number Publication Date
CN1186583A CN1186583A (zh) 1998-07-01
CN1153425C true CN1153425C (zh) 2004-06-09

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ID=7763574

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB961943289A Expired - Fee Related CN1153425C (zh) 1995-06-07 1996-05-23 在发射数字信号时改进接收的方法和电路装置

Country Status (10)

Country Link
US (1) US6088327A (enExample)
EP (1) EP0830771B1 (enExample)
JP (1) JP3769298B2 (enExample)
KR (1) KR100377785B1 (enExample)
CN (1) CN1153425C (enExample)
AT (1) ATE405079T1 (enExample)
BR (1) BR9608613B1 (enExample)
DE (2) DE19520353A1 (enExample)
MX (1) MX9709523A (enExample)
WO (1) WO1996041458A1 (enExample)

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DE69737018T2 (de) 1997-09-04 2007-06-28 Sony Deutschland Gmbh Übertragungssystem für OFDM-Signalen mit optimierter Synchronisation
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EP2254300B1 (en) 1998-01-06 2013-05-15 Mosaid Technologies Incorporated Multicarrier modulation system with variable symbol rates
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US6700936B1 (en) 1998-05-05 2004-03-02 British Broadcasting Corporation Many-carrier transmission system and a receiver therefor
US6442221B1 (en) * 1998-09-22 2002-08-27 Zenith Electronics Corporation Ghost eliminating equalizer
AT408396B (de) * 1998-12-21 2001-11-26 Ericsson Austria Ag Verfahren zur übertragung von daten
JP2000244441A (ja) * 1998-12-22 2000-09-08 Matsushita Electric Ind Co Ltd Ｏｆｄｍ送受信装置
US6539063B1 (en) * 1999-02-18 2003-03-25 Ibiquity Digital Corporation System and method for recovering symbol timing offset and carrier frequency error in an OFDM digital audio broadcast system
JP2000269917A (ja) * 1999-03-12 2000-09-29 Sony Corp 送信装置および方法、並びに提供媒体
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US7020074B1 (en) * 2000-04-03 2006-03-28 Nortel Networks Limited Synchronization method and apparatus for frequency division multiplexed telecommunication systems
US8363744B2 (en) 2001-06-10 2013-01-29 Aloft Media, Llc Method and system for robust, secure, and high-efficiency voice and packet transmission over ad-hoc, mesh, and MIMO communication networks
US7058140B2 (en) 2000-06-16 2006-06-06 Smart Kevin J Sliding-window multi-carrier frequency division multiplexing system
EP1317831A2 (de) 2000-09-12 2003-06-11 Siemens Aktiengesellschaft Verfahren und ofdm-empfänger zum verringern des einflusses harmonischer störungen auf ofdm-übertragungssysteme
US6654408B1 (en) 2000-10-27 2003-11-25 Wisconsin Alumni Research Foundation Method and system for multi-carrier multiple access reception in the presence of imperfections
WO2002091599A2 (en) * 2001-05-08 2002-11-14 Comsat Corporation Method and apparatus for measuring adjacent satellite interference
US7327794B2 (en) * 2002-06-24 2008-02-05 Intellon Corporation Method and apparatus for detecting a jammed channel in a block oriented digital communication system
US7471903B1 (en) 2002-06-26 2008-12-30 Nortel Networks Limited Optical communication system
KR20040009938A (ko) * 2002-07-26 2004-01-31 주식회사 오픈솔루션 초기심볼 동기 검출장치 및 그 방법
DE10239810A1 (de) 2002-08-29 2004-03-11 Siemens Ag Verfahren und Sendeeinrichtung zum Übertragen von Daten in einem Mehrträgersystem
US7400573B2 (en) * 2003-04-29 2008-07-15 Intel Corporation Dynamic allocation of cyclic extension in orthogonal frequency division multiplexing systems
DE102004056478B3 (de) * 2004-11-23 2006-04-06 Infineon Technologies Ag Verfahren und Vorrichtung zum Empfang von modulierten analogen Signalen
KR100703523B1 (ko) 2005-01-17 2007-04-03 삼성전자주식회사 직교 주파수 분할 다중 수신기에서 에러 벡터 크기를감소시키기 위한 방법 및 장치
EP1699197A1 (en) * 2005-01-27 2006-09-06 Alcatel Method for sending channel quality information in a multi-carrier radio communication system, corresponding mobile terminal and base station
US7706428B2 (en) * 2005-04-21 2010-04-27 Telefonaktiebolaget L M Ericsson (Publ) Low complexity inter-carrier interference cancellation
EP1786133B1 (en) * 2005-11-15 2008-10-22 Alcatel Lucent Method for sending channel quality information in a multi-carrier radio communication system, corresponding user terminal and base station
US20080025420A1 (en) * 2006-07-25 2008-01-31 Legend Silicon Precursor detection using correlation in time-domain in an ofdm communications system
US8433014B2 (en) 2007-02-15 2013-04-30 Mitsubishi Electric Corporation Receiving apparatus and receiving method
CN101068233B (zh) * 2007-07-05 2012-01-11 华为技术有限公司 一种降低信号峰均比的方法和装置
US20090279619A1 (en) * 2008-05-08 2009-11-12 Legend Silicon Corp. Method and apparatus for cell edge transmission performance enhancement for tds-ofdm
JP2014064200A (ja) * 2012-09-21 2014-04-10 Radio Engineering & Electronics Association 無線通信システム、受信装置、及び受信方法
EP3050391B1 (en) * 2013-09-27 2020-08-05 Telefonaktiebolaget LM Ericsson (publ) Methods, apparatuses, and computer program products for generating fractional guard periods

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US4794556A (en) * 1984-09-19 1988-12-27 Massachusetts Institute Of Technology Method and apparatus for sampling in-phase and quadrature components
DE3730399A1 (de) * 1987-09-10 1989-03-23 Armin Wittneben Verfahren und vorrichtung zur uebertragung eines digitalsignals
FR2658018A1 (fr) * 1990-02-06 1991-08-09 France Etat Dispositif de reception de donnees numeriques a entrelacement temps-frequence, notamment pour la radiodiffusion a haut debit vers des mobiles a fenetre temporelle de nyquist.
US5357502A (en) * 1990-02-06 1994-10-18 France Telecom And Telediffusion De France Sa Device for the reception of digital data time frequency interlacing, notably for radio broadcasting at high bit rate towards mobile receivers with nyquist temporal window
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US5537435A (en) * 1994-04-08 1996-07-16 Carney; Ronald Transceiver apparatus employing wideband FFT channelizer with output sample timing adjustment and inverse FFT combiner for multichannel communication network

Also Published As

Publication number Publication date
BR9608613A (pt) 1999-06-29
EP0830771A1 (de) 1998-03-25
EP0830771B1 (de) 2008-08-13
JPH11506590A (ja) 1999-06-08
MX9709523A (es) 1998-03-31
BR9608613B1 (pt) 2010-09-21
WO1996041458A1 (de) 1996-12-19
US6088327A (en) 2000-07-11
DE19520353A1 (de) 1996-12-12
KR19990022601A (ko) 1999-03-25
KR100377785B1 (ko) 2003-05-17
DE59611482D1 (de) 2008-09-25
ATE405079T1 (de) 2008-08-15
JP3769298B2 (ja) 2006-04-19
CN1186583A (zh) 1998-07-01

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Granted publication date: 20040609

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