CN101147393B - 调谐射频信号的装置和方法 - Google Patents

调谐射频信号的装置和方法 Download PDF

Info

Publication number
CN101147393B
CN101147393B CN2006800095965A CN200680009596A CN101147393B CN 101147393 B CN101147393 B CN 101147393B CN 2006800095965 A CN2006800095965 A CN 2006800095965A CN 200680009596 A CN200680009596 A CN 200680009596A CN 101147393 B CN101147393 B CN 101147393B
Authority
CN
China
Prior art keywords
signal
response
distortion map
control signal
period
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
CN2006800095965A
Other languages
English (en)
Chinese (zh)
Other versions
CN101147393A (zh
Inventor
马克西姆·B·贝洛特-瑟科夫斯基
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.)
THOMSON LICENSING CORP
Original Assignee
THOMSON LICENSING 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 THOMSON LICENSING CORP filed Critical THOMSON LICENSING CORP
Publication of CN101147393A publication Critical patent/CN101147393A/zh
Application granted granted Critical
Publication of CN101147393B publication Critical patent/CN101147393B/zh
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/44Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/50Tuning indicators; Automatic tuning control
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/44Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/52Automatic gain control
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03GCONTROL OF AMPLIFICATION
    • H03G3/00Gain control in amplifiers or frequency changers
    • H03G3/20Automatic control
    • H03G3/30Automatic control in amplifiers having semiconductor devices
    • H03G3/3052Automatic control in amplifiers having semiconductor devices in bandpass amplifiers (H.F. or I.F.) or in frequency-changers used in a (super)heterodyne receiver
    • H03G3/3068Circuits generating control signals for both R.F. and I.F. stages

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Circuits Of Receivers In General (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Picture Signal Circuits (AREA)
CN2006800095965A 2005-03-24 2006-03-24 调谐射频信号的装置和方法 Expired - Fee Related CN101147393B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US66491705P 2005-03-24 2005-03-24
US60/664,917 2005-03-24
PCT/US2006/011254 WO2006102682A2 (en) 2005-03-24 2006-03-24 Non-linear signal distortion detection using multiple signal to noise ratio measurement sources

Publications (2)

Publication Number Publication Date
CN101147393A CN101147393A (zh) 2008-03-19
CN101147393B true CN101147393B (zh) 2011-08-17

Family

ID=36758419

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2006800095965A Expired - Fee Related CN101147393B (zh) 2005-03-24 2006-03-24 调谐射频信号的装置和方法

Country Status (8)

Country Link
US (1) US8331891B2 (https=)
EP (1) EP1862000A2 (https=)
JP (1) JP4947603B2 (https=)
KR (1) KR101314358B1 (https=)
CN (1) CN101147393B (https=)
BR (1) BRPI0608861A2 (https=)
MX (1) MX2007011602A (https=)
WO (1) WO2006102682A2 (https=)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8130880B1 (en) 2007-05-23 2012-03-06 Hypress, Inc. Wideband digital spectrometer
JP4588061B2 (ja) * 2007-09-28 2010-11-24 シャープ株式会社 デジタル復調装置、その制御方法、プログラム、そのプログラムを記録した記録媒体、及び、デジタル受信装置
US7945004B2 (en) * 2007-12-14 2011-05-17 Motorola Mobility, Inc. Method and apparatus for detecting a frequency band and mode of operation
GB2458542A (en) * 2008-03-28 2009-09-30 Nokia Corp Automatic gain control system
JP4557057B2 (ja) * 2008-06-30 2010-10-06 ソニー株式会社 受信装置及び受信方法
TWI415459B (zh) * 2011-02-17 2013-11-11 Mstar Semiconductor Inc 類比電視信號接收電路及方法與相關之等化電路係數設定裝置及方法
US8737458B2 (en) 2012-06-20 2014-05-27 MagnaCom Ltd. Highly-spectrally-efficient reception using orthogonal frequency division multiplexing
US8873612B1 (en) * 2012-06-20 2014-10-28 MagnaCom Ltd. Decision feedback equalizer with multiple cores for highly-spectrally-efficient communications
US9129610B2 (en) * 2012-08-21 2015-09-08 Bose Corporation Filtering for detection of limited-duration distortion
CN102821453B (zh) * 2012-08-28 2018-11-20 中兴通讯股份有限公司 消除msr接收机gsm与lte干扰的自动增益调控方法及装置
US9118519B2 (en) 2013-11-01 2015-08-25 MagnaCom Ltd. Reception of inter-symbol-correlated signals using symbol-by-symbol soft-output demodulator
US9130637B2 (en) 2014-01-21 2015-09-08 MagnaCom Ltd. Communication methods and systems for nonlinear multi-user environments
US9496900B2 (en) 2014-05-06 2016-11-15 MagnaCom Ltd. Signal acquisition in a multimode environment
US8891701B1 (en) 2014-06-06 2014-11-18 MagnaCom Ltd. Nonlinearity compensation for reception of OFDM signals
US9246523B1 (en) 2014-08-27 2016-01-26 MagnaCom Ltd. Transmitter signal shaping
US9191247B1 (en) 2014-12-09 2015-11-17 MagnaCom Ltd. High-performance sequence estimation system and method of operation
US11587767B2 (en) 2019-06-19 2023-02-21 Analogic Corporation Radio frequency generators, and related systems, methods, and devices
US11626907B2 (en) 2019-06-19 2023-04-11 Analogic Corporation Radio frequency generators, and related systems, methods, and devices

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4827511A (en) * 1986-05-12 1989-05-02 Kabushiki Kaisha Toshiba Automatic gain control circuit for controlling gain of video signal in television receiver

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0671279B2 (ja) * 1988-04-25 1994-09-07 日本電気株式会社 復調装置
JP2794964B2 (ja) * 1991-02-27 1998-09-10 日本電気株式会社 制御信号発生回路
JP3311773B2 (ja) * 1992-04-15 2002-08-05 富士通株式会社 4相psk復調器
US5268761A (en) * 1992-08-19 1993-12-07 Rca Thomson Licensing Corporation Automatic gain control system for a high definition television signal receiver including an adaptive equalizer
JP2911773B2 (ja) * 1994-03-18 1999-06-23 富士通株式会社 ディジタル多重無線受信装置
US5610554A (en) * 1994-07-28 1997-03-11 Aval Communications Inc. Cancellation loop, for a feed-forward amplifier, employing an adaptive controller
JPH08317012A (ja) * 1995-05-23 1996-11-29 Toshiba Corp ディジタル復調器
JP3087627B2 (ja) * 1995-09-30 2000-09-11 日本電気株式会社 復調装置
US6154503A (en) * 1996-06-07 2000-11-28 Sharp Kk Corporation Automatic gain control system that responds to baseband signal distortion
US5907798A (en) * 1996-06-21 1999-05-25 Lucent Technologies Inc. Wireless telephone intermodulation performance enhancement techniques
JP3319422B2 (ja) 1998-05-08 2002-09-03 日本電気株式会社 マルチキャリア伝送システム、マルチキャリア伝送方法
US6603825B1 (en) * 1999-01-12 2003-08-05 Motorola Inc. Automatic gain control for a receiver and method therefor
JP2000286916A (ja) * 1999-04-01 2000-10-13 Nec Corp 復調装置
US6545532B1 (en) * 1999-09-08 2003-04-08 Atmel Corporation Timing recovery circuit in a QAM demodulator
JP3710658B2 (ja) 1999-09-29 2005-10-26 株式会社東芝 自動利得制御回路および受信機
JP2001244765A (ja) * 2000-02-28 2001-09-07 Mitsubishi Electric Corp 自動利得制御方法および自動利得制御用プロセッサならびに復調装置
KR100480646B1 (ko) * 2003-04-17 2005-03-31 삼성전자주식회사 잡음이 많은 다중 경로 채널에 적응하여 신호를안정적으로 포착 추적하는 자동 이득 제어기, 이를 구비한디지털 텔레비전 수신 장치 및 그 방법
EP1632081B1 (en) 2003-05-23 2016-08-17 Kirusa, Inc. A method and system for communicating a data file over a network and teleconferencing over a telephony network
EP1634443A2 (en) * 2003-06-16 2006-03-15 Matsushita Electric Industrial Co., Ltd. Digital broadcast receiver
KR20040108215A (ko) * 2003-06-17 2004-12-23 삼성전자주식회사 수신기의 저잡음 증폭기 제어 장치 및 방법
JP4271551B2 (ja) 2003-10-29 2009-06-03 山陽特殊製鋼株式会社 タンディッシュによる高清浄度鋼の連続鋳造装置
JP2005210171A (ja) * 2004-01-20 2005-08-04 Matsushita Electric Ind Co Ltd 受信装置及び受信方法

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4827511A (en) * 1986-05-12 1989-05-02 Kabushiki Kaisha Toshiba Automatic gain control circuit for controlling gain of video signal in television receiver

Also Published As

Publication number Publication date
US20090137212A1 (en) 2009-05-28
JP4947603B2 (ja) 2012-06-06
KR101314358B1 (ko) 2013-10-04
CN101147393A (zh) 2008-03-19
US8331891B2 (en) 2012-12-11
BRPI0608861A2 (pt) 2010-02-02
WO2006102682A3 (en) 2006-12-07
KR20070114193A (ko) 2007-11-29
WO2006102682A2 (en) 2006-09-28
JP2008535329A (ja) 2008-08-28
MX2007011602A (es) 2007-11-22
EP1862000A2 (en) 2007-12-05

Similar Documents

Publication Publication Date Title
CN101147393B (zh) 调谐射频信号的装置和方法
KR100659992B1 (ko) 이중 자동 이득 제어 기능을 갖는 qam 복조기
JP4020334B2 (ja) ビデオ信号処理装置
KR0170345B1 (ko) 고해상도 텔레비젼 수신기의 자동 이득 조절회로 및 방법
JP2003531523A (ja) Qam搬送波再生回路における位相雑音および相加性雑音の推定
MXPA00010470A (es) Metodo de estimacion de error de fase para un demodulador en un receptor de television de alta definicion.
KR100719116B1 (ko) 노이즈신호를 여파 처리하는 방송수신장치 및 그 방법
KR100480646B1 (ko) 잡음이 많은 다중 경로 채널에 적응하여 신호를안정적으로 포착 추적하는 자동 이득 제어기, 이를 구비한디지털 텔레비전 수신 장치 및 그 방법
KR0163729B1 (ko) 디지탈 잔류 측파대 변조 통신 시스템의 위상 검출 방법 및 위상 트랙킹 루프 회로
KR20030010638A (ko) Qam 복조기에서의 이중 비트 에러율 추정
US8199864B1 (en) Quadrature phase shift keying demodulator of digital broadcast reception system and demodulation method thereof
JP4980528B2 (ja) 高精細度テレビジョン受信機内における搬送波捕捉を助けるための選択的利得調節
US6985192B1 (en) Selective gain adjustment to aid carrier acquisition in a high definition television receiver
KR100379490B1 (ko) 디지털 티브이 수신기의 자동 이득 제어 장치
US7505514B2 (en) Phase-compensation decision feedback channel equalizer and digital broadcasting receiver using the same
KR100577264B1 (ko) 자동 이득 제어 장치를 포함한 수신 시스템
KR100451741B1 (ko) 반송파 복구 장치
US7324610B2 (en) VSB reception system
KR100275703B1 (ko) 위상 추적 회로 및 위상 검출방법
JP4576759B2 (ja) 直交周波数分割信号復調装置
JP2009055387A (ja) チューナ回路及び受信装置
Mizukami et al. Mutual interference between adjacent analog scrambled signal and 64QAM signal in CATV system
KR20020095217A (ko) 직교 진폭 변조 복조기에 내장된 타이밍 복원 회로
KR20010036927A (ko) 고화질 텔레비전의 디지털 직류전압 제거장치

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20110817

Termination date: 20190324

CF01 Termination of patent right due to non-payment of annual fee