MXPA01003333A - METODO Y APARATO PARA DESMODULAR Y EQUALIZAR UNA SEnAL DE RADIODIFUSION DIGITAL COMPATIBLE CON AM. - Google Patents

METODO Y APARATO PARA DESMODULAR Y EQUALIZAR UNA SEnAL DE RADIODIFUSION DIGITAL COMPATIBLE CON AM.

Info

Publication number
MXPA01003333A
MXPA01003333A MXPA01003333A MXPA01003333A MXPA01003333A MX PA01003333 A MXPA01003333 A MX PA01003333A MX PA01003333 A MXPA01003333 A MX PA01003333A MX PA01003333 A MXPA01003333 A MX PA01003333A MX PA01003333 A MXPA01003333 A MX PA01003333A
Authority
MX
Mexico
Prior art keywords
signal
carrier signals
equalization
equalizer coefficients
produce
Prior art date
Application number
MXPA01003333A
Other languages
English (en)
Inventor
Don R Goldston
Original Assignee
Ibiquity Digital 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 Ibiquity Digital Corp filed Critical Ibiquity Digital Corp
Publication of MXPA01003333A publication Critical patent/MXPA01003333A/es

Links

Classifications

    • 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
    • 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
    • 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
    • H04L2025/0335—Arrangements for removing intersymbol interference characterised by the type of transmission
    • H04L2025/03375—Passband transmission
    • H04L2025/03414—Multicarrier
    • 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
    • H04L2025/03433—Arrangements for removing intersymbol interference characterised by equaliser structure
    • H04L2025/03439—Fixed structures
    • H04L2025/03522—Frequency domain

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Circuits Of Receivers In General (AREA)
MXPA01003333A 1998-10-02 1999-09-02 METODO Y APARATO PARA DESMODULAR Y EQUALIZAR UNA SEnAL DE RADIODIFUSION DIGITAL COMPATIBLE CON AM. MXPA01003333A (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/208,107 US6295317B1 (en) 1998-10-02 1998-10-02 Method and apparatus for demodulating and equalizing an AM compatible digital audio broadcast signal
PCT/US1999/020276 WO2000021261A1 (en) 1998-10-02 1999-09-02 Method and apparatus for demodulating and equalizing an am compatible digital audio broadcast signal

Publications (1)

Publication Number Publication Date
MXPA01003333A true MXPA01003333A (es) 2004-02-17

Family

ID=22773203

Family Applications (1)

Application Number Title Priority Date Filing Date
MXPA01003333A MXPA01003333A (es) 1998-10-02 1999-09-02 METODO Y APARATO PARA DESMODULAR Y EQUALIZAR UNA SEnAL DE RADIODIFUSION DIGITAL COMPATIBLE CON AM.

Country Status (13)

Country Link
US (2) US6295317B1 (es)
EP (1) EP1118195B1 (es)
JP (1) JP2002527949A (es)
KR (1) KR20010079967A (es)
CN (1) CN1151643C (es)
AT (1) ATE267491T1 (es)
AU (1) AU753955B2 (es)
BR (1) BR9914260A (es)
CA (1) CA2345999C (es)
DE (1) DE69917471D1 (es)
MX (1) MXPA01003333A (es)
RU (1) RU2222872C2 (es)
WO (1) WO2000021261A1 (es)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6292511B1 (en) * 1998-10-02 2001-09-18 Usa Digital Radio Partners, Lp Method for equalization of complementary carriers in an AM compatible digital audio broadcast system
US6546056B1 (en) * 1999-05-28 2003-04-08 3Com Corporation Timing recovery in a multi-tone modem
US6650700B1 (en) * 1999-10-22 2003-11-18 Zenith Electronics Corporation Dual path ghost eliminating equalizer with optimum noise enhancement
US6975689B1 (en) * 2000-03-30 2005-12-13 Mcdonald James Douglas Digital modulation signal receiver with adaptive channel equalization employing discrete fourier transforms
US6731682B1 (en) * 2000-04-07 2004-05-04 Zenith Electronics Corporation Multipath ghost eliminating equalizer with optimum noise enhancement
JP2001313594A (ja) * 2000-04-28 2001-11-09 Fujitsu Ltd Ｄｍｔシステムのタイムドメインイコライザーの係数更新方法、レシーブ方法、ｄｍｔシステム及びｄｍｔモデム
US6671340B1 (en) * 2000-06-15 2003-12-30 Ibiquity Digital Corporation Method and apparatus for reduction of interference in FM in-band on-channel digital audio broadcasting receivers
US6898249B2 (en) * 2002-12-17 2005-05-24 Ibiquity Digital Corporation Method and apparatus for AM digital audio broadcasting with amplitude scaled tertiary subcarriers
US7272189B2 (en) * 2003-10-11 2007-09-18 Visteon Global Technologies, Inc. Method to determine the presence of multi-carrier signals
US7321550B2 (en) * 2004-02-17 2008-01-22 Industrial Technology Research Institute Method of equalization in an OFDM system
US7697620B2 (en) * 2005-11-14 2010-04-13 Ibiquity Digital Corporation Equalizer for AM in-band on-channel radio receivers
JP5199660B2 (ja) * 2007-12-26 2013-05-15 三菱電機株式会社 受信装置
RU2569914C2 (ru) * 2010-07-22 2015-12-10 Конинклейке Филипс Электроникс Н.В. Возбуждение параметрических громкоговорителей
US9191256B2 (en) 2012-12-03 2015-11-17 Digital PowerRadio, LLC Systems and methods for advanced iterative decoding and channel estimation of concatenated coding systems
US8948272B2 (en) 2012-12-03 2015-02-03 Digital PowerRadio, LLC Joint source-channel decoding with source sequence augmentation
US8595590B1 (en) 2012-12-03 2013-11-26 Digital PowerRadio, LLC Systems and methods for encoding and decoding of check-irregular non-systematic IRA codes
US9197458B1 (en) * 2014-05-01 2015-11-24 Samsung Display Co., Ltd. Edge equalization via adjustment of unroll threshold for crossing slicer
US11296739B2 (en) * 2016-12-22 2022-04-05 Nuvoton Technology Corporation Japan Noise suppression device, noise suppression method, and reception device and reception method using same

Family Cites Families (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4379947A (en) 1979-02-02 1983-04-12 Teleprompter Corporation System for transmitting data simultaneously with audio
US4534054A (en) 1980-11-28 1985-08-06 Maisel Douglas A Signaling system for FM transmission systems
US4425642A (en) 1982-01-08 1984-01-10 Applied Spectrum Technologies, Inc. Simultaneous transmission of two information signals within a band-limited communications channel
US4881245A (en) 1983-07-01 1989-11-14 Harris Corporation Improved signalling method and apparatus
US4660193A (en) 1983-10-11 1987-04-21 Regency Electronics, Inc. Digital modulation method for standard broadcast FM subcarrier
AU589119B2 (en) 1984-04-17 1989-10-05 Nec Corporation Digital radio communication system utilizing quadrature modulated carrier waves
US5128933A (en) 1985-07-29 1992-07-07 Baranoff Rossine Dimitri Process and device for the radio transmission of coded data superimposed on a traditional frequency-modulated broadcast
US4881241A (en) 1988-02-24 1989-11-14 Centre National D'etudes Des Telecommunications Method and installation for digital communication, particularly between and toward moving vehicles
EP0365431B1 (fr) 1988-10-21 1994-12-14 Thomson-Csf Emetteur, procédé d'émission et récepteur
US5134630A (en) 1989-04-12 1992-07-28 National Research Development Corporation Method and apparatus for transparent tone-in-band transmitter, receiver and system processing
US5134634A (en) 1989-08-31 1992-07-28 Nec Corporation Multilevel quadrature amplitude demodulator capable of compensating for a quadrature phase deviation of a carrier signal pair
FR2658016B1 (fr) 1990-02-06 1994-01-21 Etat Francais Cnet Procede de diffusion de donnees numeriques, notamment pour la radiodiffusion a haut debit vers des mobiles, a entrelacement temps-frequence et demodulation coherente, et recepteur correspondant.
US5179576A (en) 1990-04-12 1993-01-12 Hopkins John W Digital audio broadcasting system
US5020076A (en) 1990-05-21 1991-05-28 Motorola, Inc. Hybrid modulation apparatus
JP2749456B2 (ja) 1991-03-06 1998-05-13 三菱電機株式会社 無線通信機
US5315583A (en) * 1991-04-11 1994-05-24 Usa Digital Radio Method and apparatus for digital audio broadcasting and reception
DE4111855C2 (de) 1991-04-11 1994-10-20 Inst Rundfunktechnik Gmbh Verfahren zum rundfunkmäßigen Übertragen eines digital codierten Datenstroms
US5117195A (en) 1991-05-17 1992-05-26 General Instrument Corporation Data referenced demodulation of multiphase modulated data
ATE163114T1 (de) 1991-11-01 1998-02-15 Thomson Consumer Electronics Rundfunkübertragungssystem und rundfunkempfänger
JP2904986B2 (ja) 1992-01-31 1999-06-14 日本放送協会 直交周波数分割多重ディジタル信号送信装置および受信装置
US5465396A (en) 1993-01-12 1995-11-07 Usa Digital Radio Partners, L.P. In-band on-channel digital broadcasting
US5588022A (en) 1994-03-07 1996-12-24 Xetron Corp. Method and apparatus for AM compatible digital broadcasting
US5673292A (en) 1994-10-07 1997-09-30 Northrop Grumman Corporation AM-PSK system for broadcasting a composite analog and digital signal using adaptive M-ary PSK modulation
US5606576A (en) 1995-01-23 1997-02-25 Northrop Grumman Corporation Adaptive mode control system for AM compatible digital broadcast
US5559830A (en) 1995-01-23 1996-09-24 Xetron Corp. Equalization system for AM compatible digital receiver
US5592471A (en) 1995-04-21 1997-01-07 Cd Radio Inc. Mobile radio receivers using time diversity to avoid service outages in multichannel broadcast transmission systems
WO1997008877A1 (en) * 1995-08-31 1997-03-06 Usa Digital Radio Partners, L.P. Am compatible digital waveform demodulation using a dual fft
US5764706A (en) 1995-08-31 1998-06-09 Usa Digital Radio Partners, L.P. AM compatible digital waveform frame timing recovery and frame synchronous power measurement
US5633896A (en) 1996-02-21 1997-05-27 Usa Digital Radio Partners, L.P. AM compatible digital waveform demodulation using a dual FFT
US5703954A (en) 1996-02-20 1997-12-30 Usa Digital Radio Partners, L.P. Method and apparatus for improving the quality of AM compatible digital broadcast system signals in the presence of distortion
US5809065A (en) 1996-02-20 1998-09-15 Usa Digital Radio Partners, L.P. Method and apparatus for improving the quality of AM compatible digital broadcast system signals in the presence of distortion
US5949796A (en) 1996-06-19 1999-09-07 Kumar; Derek D. In-band on-channel digital broadcasting method and system
US6128334A (en) * 1997-02-21 2000-10-03 Usa Digital Radio, Inc. Receiver addressable AM compatible digital broadcast system

Also Published As

Publication number Publication date
JP2002527949A (ja) 2002-08-27
US20020097796A1 (en) 2002-07-25
EP1118195B1 (en) 2004-05-19
CN1326633A (zh) 2001-12-12
DE69917471D1 (de) 2004-06-24
RU2222872C2 (ru) 2004-01-27
US6295317B1 (en) 2001-09-25
CA2345999C (en) 2005-03-22
BR9914260A (pt) 2001-07-03
EP1118195A1 (en) 2001-07-25
KR20010079967A (ko) 2001-08-22
CA2345999A1 (en) 2000-04-13
US6480536B2 (en) 2002-11-12
WO2000021261A1 (en) 2000-04-13
ATE267491T1 (de) 2004-06-15
AU753955B2 (en) 2002-10-31
AU6135899A (en) 2000-04-26
CN1151643C (zh) 2004-05-26

Similar Documents

Publication Publication Date Title
MXPA01003332A (es) Metodo para equalizacion de portadores complementarios en un sistema de radiodifusion digital compatible con am.
MXPA01003333A (es) METODO Y APARATO PARA DESMODULAR Y EQUALIZAR UNA SEnAL DE RADIODIFUSION DIGITAL COMPATIBLE CON AM.
RU2234199C2 (ru) Способ и устройство для уменьшения отношения максимальной мощности к средней в системах цифрового вещания
CA2199761A1 (en) Developing a channel impulse response by using distortion
US5559830A (en) Equalization system for AM compatible digital receiver
RU2001111836A (ru) Способ коррекции комплементарных несущих в системе вещания цифрового аудиосигнала, совместимого с амплитудно-модулированным сигналом
ATE201540T1 (de) Verfahren und vorrichtung für am verträglichen digitalrundfunk
MX9709523A (es) Metodo y disposicion del circuito para mejorar la recepcion cuando estan siendo transmitidas señales digitales.
GB2348783A (en) Reducing impulsive interference in OFDM receivers
RU2001111844A (ru) Способ и устройство для демодуляции и коррекции сигнала вещания цифрового аудиосигнала, совместимого с амплитудно-модулированным сигналом
GB2280571A (en) Signal transmission system
KR20030095307A (ko) 시멀캐스트 신호들에 대한 간섭 감소
CN109787649A (zh) 直接变频接收机
RU2645155C1 (ru) Способ трансляции информационного узкополосного цифрового мультимедийного радиовещания
KR100941823B1 (ko) Ｄｒｍ/ａｍ 동시 송출
KR100875474B1 (ko) 직교주파수분할다중방식 수신기의 동일채널간섭 제거방법