JP2008535376A - 集積化された広帯域干渉検出器を有するａｇｃ - Google Patents

集積化された広帯域干渉検出器を有するａｇｃ Download PDF

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Publication number
JP2008535376A
JP2008535376A JP2008504056A JP2008504056A JP2008535376A JP 2008535376 A JP2008535376 A JP 2008535376A JP 2008504056 A JP2008504056 A JP 2008504056A JP 2008504056 A JP2008504056 A JP 2008504056A JP 2008535376 A JP2008535376 A JP 2008535376A
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JP
Japan
Prior art keywords
channel
agc
signal
gain control
indication
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Pending
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JP2008504056A
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English (en)
Japanese (ja)
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JP2008535376A5 (enExample
Inventor
デイビッド ヒューズ、ジェームズ
アール． フライターク、リン
ラーマン、マヒブル
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NXP USA Inc
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NXP USA Inc
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Publication date
Application filed by NXP USA Inc filed Critical NXP USA Inc
Publication of JP2008535376A publication Critical patent/JP2008535376A/ja
Publication of JP2008535376A5 publication Critical patent/JP2008535376A5/ja
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/02—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)
JP2008504056A 2005-03-31 2006-02-23 集積化された広帯域干渉検出器を有するａｇｃ Pending JP2008535376A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/095,274 US20060222116A1 (en) 2005-03-31 2005-03-31 AGC with integrated wideband interferer detection
PCT/US2006/006419 WO2006107450A2 (en) 2005-03-31 2006-02-23 Agc with integrated wideband interferer detection

Publications (2)

Publication Number Publication Date
JP2008535376A true JP2008535376A (ja) 2008-08-28
JP2008535376A5 JP2008535376A5 (enExample) 2009-04-09

Family

ID=37070475

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2008504056A Pending JP2008535376A (ja) 2005-03-31 2006-02-23 集積化された広帯域干渉検出器を有する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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JP2011530226A (ja) * 2008-07-31 2011-12-15 クゥアルコム・インコーポレイテッド 受信器中で妨害信号検出を提供する方法および装置
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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US7620380B2 (en) * 2006-03-24 2009-11-17 Sigmatel Inc Adjustable automatic gain control
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
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US8169546B2 (en) * 2008-02-19 2012-05-01 Newport Media, Inc. Technique for tuner automatic gain control circuit for mobile television applications
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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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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
US12107673B2 (en) * 2021-09-07 2024-10-01 Qualcomm Incorporated Jammer detection system
US11799507B2 (en) * 2021-09-22 2023-10-24 Qualcomm Incorporated Configurable receive path for mixer-first or amplifier-first signal processing
CN120196093A (zh) * 2025-05-26 2025-06-24 云南电网有限责任公司 多维度指标的新能源agc公平性检测方法、装置和设备

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011530226A (ja) * 2008-07-31 2011-12-15 クゥアルコム・インコーポレイテッド 受信器中で妨害信号検出を提供する方法および装置
JP2013168964A (ja) * 2008-07-31 2013-08-29 Qualcomm Inc 受信器中で妨害信号検出を提供する方法および装置
US8559865B2 (en) 2008-07-31 2013-10-15 Qualcomm Incorporated Method and apparatus for providing jammer detection in a receiver
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
EP1867122A2 (en) 2007-12-19
EP1867122A4 (en) 2011-10-19
WO2006107450A3 (en) 2007-11-01
KR20070122468A (ko) 2007-12-31
US20060222116A1 (en) 2006-10-05

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