KR20070122468A - 통합된 광대역 간섭자 검출을 갖는 ａｇｃ - Google Patents

통합된 광대역 간섭자 검출을 갖는 ａｇｃ Download PDF

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Publication number
KR20070122468A
KR20070122468A KR1020077022251A KR20077022251A KR20070122468A KR 20070122468 A KR20070122468 A KR 20070122468A KR 1020077022251 A KR1020077022251 A KR 1020077022251A KR 20077022251 A KR20077022251 A KR 20077022251A KR 20070122468 A KR20070122468 A KR 20070122468A
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KR
South Korea
Prior art keywords
channel
agc
signal
indication
gain control
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.)
Withdrawn
Application number
KR1020077022251A
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English (en)
Korean (ko)
Inventor
제임스 데이비드 휴스
린 알. 프라이타크
마히버 라흐만
Original Assignee
프리스케일 세미컨덕터, 인크.
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 프리스케일 세미컨덕터, 인크. filed Critical 프리스케일 세미컨덕터, 인크.
Publication of KR20070122468A publication Critical patent/KR20070122468A/ko
Withdrawn legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/02—Amplitude-modulated carrier systems, e.g. using on-off keying; Single sideband or vestigial sideband modulation
    • H04L27/08—Amplitude regulation arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
    • H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
    • H04L27/38—Demodulator circuits; Receiver circuits
    • H04L27/3809—Amplitude regulation arrangements
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G1/00—Details of arrangements for controlling amplification
    • H03G1/0005—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal
    • H03G1/0088—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using discontinuously variable devices, e.g. switch-operated
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/3052—Automatic control in amplifiers having semiconductor devices in bandpass amplifiers (H.F. or I.F.) or in frequency-changers used in a (super)heterodyne receiver
    • H03G3/3068—Circuits generating control signals for both R.F. and I.F. stages
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/3052—Automatic control in amplifiers having semiconductor devices in bandpass amplifiers (H.F. or I.F.) or in frequency-changers used in a (super)heterodyne receiver
    • H03G3/3078—Circuits generating control signals for digitally modulated signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
    • H04B1/109—Means associated with receiver for limiting or suppressing noise or interference by improving strong signal performance of the receiver when strong unwanted signals are present at the receiver input
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
    • H04B1/14—Automatic detuning arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Circuits Of Receivers In General (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Noise Elimination (AREA)
KR1020077022251A 2005-03-31 2006-02-23 통합된 광대역 간섭자 검출을 갖는 ａｇｃ Withdrawn KR20070122468A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/095,274 2005-03-31
US11/095,274 US20060222116A1 (en) 2005-03-31 2005-03-31 AGC with integrated wideband interferer detection

Publications (1)

Publication Number Publication Date
KR20070122468A true KR20070122468A (ko) 2007-12-31

Family

ID=37070475

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020077022251A Withdrawn KR20070122468A (ko) 2005-03-31 2006-02-23 통합된 광대역 간섭자 검출을 갖는 ａｇｃ

Country Status (6)

Country Link
US (1) US20060222116A1 (enExample)
EP (1) EP1867122A4 (enExample)
JP (1) JP2008535376A (enExample)
KR (1) KR20070122468A (enExample)
CN (1) CN101124798A (enExample)
WO (1) WO2006107450A2 (enExample)

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US20250141476A1 (en) * 2023-10-30 2025-05-01 Qualcomm Incorporated Controlling receiver gain for proactive jammer protection from transmit signal of integrated transmitter

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US7693501B2 (en) * 2006-12-21 2010-04-06 Intel Corporation Techniques to deterministically reduce signal interference
US7760816B2 (en) * 2007-01-11 2010-07-20 Freescale Semiconductor, Inc. Automatic gain control using multiple equalized estimates dynamic hysteresis
GB0704328D0 (en) 2007-03-06 2007-04-11 Nokia Corp Analogue-to-digital converter (adc) dynamic range and gain control
FI20075392A0 (fi) * 2007-05-30 2007-05-30 Nokia Corp Radiovastaanottimen herkkyyden parantaminen
EP2045916B1 (en) * 2007-10-01 2014-12-17 JDS Uniphase Corporation Automatic gain control stress measurement for digital carriers
US8238860B2 (en) * 2008-01-23 2012-08-07 Freescale Semiconductor, Inc. Tuning a second order intercept point of a mixer in a receiver
GB2457070B (en) * 2008-02-01 2010-01-27 Motorola Inc Receiver and method of operation for use in mobile communications
US8456579B2 (en) * 2008-02-11 2013-06-04 Sony Corporation Dynamic RF AGC switch/mixer for optimal NTSC video detection
US8169546B2 (en) * 2008-02-19 2012-05-01 Newport Media, Inc. Technique for tuner automatic gain control circuit for mobile television applications
GB2458542A (en) * 2008-03-28 2009-09-30 Nokia Corp Automatic gain control system
US8478218B2 (en) * 2008-06-11 2013-07-02 Quintic Holdings Frequency modulation (FM) clear channel scanning system and method of using same
US8559865B2 (en) * 2008-07-31 2013-10-15 Qualcomm Incorporated Method and apparatus for providing jammer detection in a receiver
GB0816571D0 (en) * 2008-09-10 2008-10-15 Cambridge Silicon Radio Ltd Automatic gain control & DC offset compensation
US8537284B2 (en) * 2009-03-20 2013-09-17 Advanced Micro Devices, Inc. Adjacent channel power scan
US8588348B2 (en) * 2009-07-10 2013-11-19 Freescale Semiconductor, Inc. Receiver with automatic gain control
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WO2012015346A1 (en) * 2010-07-30 2012-02-02 Telefonaktiebolaget L M Ericsson (Publ) Interference identification and mitigation in wireless communication
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US8625726B2 (en) * 2011-09-15 2014-01-07 The Boeing Company Low power radio frequency to digital receiver
US9001941B2 (en) * 2012-01-31 2015-04-07 Analog Devices, Inc. Method and apparatus to independently control front end gain and baseband gain
US11265118B2 (en) * 2013-06-26 2022-03-01 Maxlinear Asia Singapore Private Limited Spectrum analyzer integrated in a point-to-point outdoor unit
US9762273B2 (en) 2014-09-12 2017-09-12 The Trustees Of Columbia University In The City Of New York Circuits and methods for detecting interferers
US10122396B2 (en) 2014-09-12 2018-11-06 The Trustees Of Columbia University In The City Of New York Circuits and methods for detecting interferers
CN104320207B (zh) * 2014-10-17 2017-02-15 中国电子科技集团公司第四十一研究所 一种矢量信号分析装置及方法
JP6583293B2 (ja) * 2015-01-14 2019-10-02 株式会社ソシオネクスト Ａｇｃ回路および無線受信機
WO2017116198A1 (ko) * 2015-12-30 2017-07-06 한국전자통신연구원 전송 식별자를 이용한 방송 신호 송신 장치 및 이를 이용한 방법
WO2017119713A1 (ko) * 2016-01-05 2017-07-13 한국전자통신연구원 4-비트 인젝션 레벨 코드를 이용하여 스케일링되는 전송 식별자를 이용한 방송 신호 송신 장치 및 이를 이용한 방법
KR102501864B1 (ko) * 2016-01-05 2023-02-22 한국전자통신연구원 4-비트 인젝션 레벨 코드를 이용하여 스케일링되는 전송 식별자를 이용한 방송 신호 송신 장치 및 이를 이용한 방법
US10432434B2 (en) * 2016-07-20 2019-10-01 Tektronix, Inc. Multi-band noise reduction systems and methods
US11374599B2 (en) 2016-10-23 2022-06-28 The Trustees Of Columbia University In The City Of New York Circuits for identifying interferers using compressed-sampling
US9960785B1 (en) * 2017-04-06 2018-05-01 Analog Devices Global Dual-input analog-to-digital converter for improved receiver gain control
US11402458B2 (en) 2018-05-22 2022-08-02 The Trustees Of Columbia University In The City Of New York Circuits and methods for using compressive sampling to detect direction of arrival of a signal of interest
CN111399001B (zh) * 2020-03-31 2022-05-06 和芯星通科技(北京)有限公司 一种处理宽带干扰方法和装置
CN112996036B (zh) * 2021-02-25 2022-07-12 展讯通信（深圳）有限公司 Agc校准预处理方法及装置、存储介质、终端
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US11799507B2 (en) * 2021-09-22 2023-10-24 Qualcomm Incorporated Configurable receive path for mixer-first or amplifier-first signal processing
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Publication number Priority date Publication date Assignee Title
US20250141476A1 (en) * 2023-10-30 2025-05-01 Qualcomm Incorporated Controlling receiver gain for proactive jammer protection from transmit signal of integrated transmitter

Also Published As

Publication number Publication date
WO2006107450A2 (en) 2006-10-12
CN101124798A (zh) 2008-02-13
JP2008535376A (ja) 2008-08-28
EP1867122A2 (en) 2007-12-19
EP1867122A4 (en) 2011-10-19
WO2006107450A3 (en) 2007-11-01
US20060222116A1 (en) 2006-10-05

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Legal Events

Date Code Title Description
PA0105 International application

Patent event date: 20070928

Patent event code: PA01051R01D

Comment text: International Patent Application

PG1501 Laying open of application
PC1203 Withdrawal of no request for examination
WITN Application deemed withdrawn, e.g. because no request for examination was filed or no examination fee was paid