MX9709523A - Metodo y disposicion del circuito para mejorar la recepcion cuando estan siendo transmitidas señales digitales. - Google Patents

Metodo y disposicion del circuito para mejorar la recepcion cuando estan siendo transmitidas señales digitales.

Info

Publication number
MX9709523A
MX9709523A MX9709523A MX9709523A MX9709523A MX 9709523 A MX9709523 A MX 9709523A MX 9709523 A MX9709523 A MX 9709523A MX 9709523 A MX9709523 A MX 9709523A MX 9709523 A MX9709523 A MX 9709523A
Authority
MX
Mexico
Prior art keywords
carriers
fft
receiver
transmission
filtration
Prior art date
Application number
MX9709523A
Other languages
English (en)
Spanish (es)
Inventor
Claus Muschallik
Veit Armbruster
Original Assignee
Thomson Brandt Gmbh
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 Thomson Brandt Gmbh filed Critical Thomson Brandt Gmbh
Publication of MX9709523A publication Critical patent/MX9709523A/es

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/26Systems using multi-frequency codes
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/26Systems using multi-frequency codes
    • H04L27/2601Multicarrier modulation systems
    • H04L27/2647Arrangements specific to the receiver only
    • H04L27/2649Demodulators
    • H04L27/265Fourier transform demodulators, e.g. fast Fourier transform [FFT] or discrete Fourier transform [DFT] demodulators
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/26Systems using multi-frequency codes
    • H04L27/2601Multicarrier modulation systems
    • H04L27/2626Arrangements specific to the transmitter only
    • H04L27/2627Modulators
    • H04L27/2644Modulators with oversampling

Landscapes

  • 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)
MX9709523A 1995-06-07 1996-05-23 Metodo y disposicion del circuito para mejorar la recepcion cuando estan siendo transmitidas señales digitales. MX9709523A (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19520353A DE19520353A1 (de) 1995-06-07 1995-06-07 Verfahren und Schaltungsanordnung zur Verbesserung des Empfangsverhaltens bei der Übertragung von digitalen Signalen
PCT/EP1996/002209 WO1996041458A1 (de) 1995-06-07 1996-05-23 Verfahren und schaltungsanordnung zur verbesserung der trägertrennung bei der übertragung von ofdm signalen

Publications (1)

Publication Number Publication Date
MX9709523A true MX9709523A (es) 1998-03-31

Family

ID=7763574

Family Applications (1)

Application Number Title Priority Date Filing Date
MX9709523A MX9709523A (es) 1995-06-07 1996-05-23 Metodo y disposicion del circuito para mejorar la recepcion cuando estan siendo transmitidas señales digitales.

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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FI103235B (fi) 1997-06-26 1999-05-14 Nokia Telecommunications Oy Häiriönpoistomenetelmä OFDM-radiovastaanottimessa
DE69737018T2 (de) 1997-09-04 2007-06-28 Sony Deutschland Gmbh Übertragungssystem für OFDM-Signalen mit optimierter Synchronisation
USRE43703E1 (en) 1997-09-04 2012-10-02 Sony Deutschland Gmbh Transmission system for OFDM-signals with optimized synchronization
DE19738780A1 (de) 1997-09-04 1999-03-11 Thomson Brandt Gmbh Verfahren und Schaltungsanordnung zur Korrektur von Phasen- und/oder Frequenzfehlern digitaler Multicarrier-Signale
KR100234330B1 (ko) * 1997-09-30 1999-12-15 윤종용 Ofdm 시스템 수신기의 보호 구간 종류 검출장치 및 그 방법
EP2254300B1 (en) 1998-01-06 2013-05-15 Mosaid Technologies Incorporated Multicarrier modulation system with variable symbol rates
SE514016C2 (sv) * 1998-02-21 2000-12-11 Telia Ab Ett telekommunikationssystem innefattande åtminstone två VDSL-system jämte ett modem och en metod i ett sådant telekommunikationssystem
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
FI116643B (fi) * 1999-11-15 2006-01-13 Nokia Corp Kohinan vaimennus
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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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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EP0562868A3 (en) * 1992-03-27 1994-07-06 Wi Lan Inc Method and apparatus for multiple access between tansceivers in wireless communication using OFDM spread spectrum.
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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
CN1153425C (zh) 2004-06-09
EP0830771B1 (de) 2008-08-13
JPH11506590A (ja) 1999-06-08
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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Legal Events

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FG Grant or registration
MM Annulment or lapse due to non-payment of fees