CN101124798A - 具有集成宽带干扰检测的agc - Google Patents

具有集成宽带干扰检测的agc Download PDF

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Publication number
CN101124798A
CN101124798A CNA2006800047143A CN200680004714A CN101124798A CN 101124798 A CN101124798 A CN 101124798A CN A2006800047143 A CNA2006800047143 A CN A2006800047143A CN 200680004714 A CN200680004714 A CN 200680004714A CN 101124798 A CN101124798 A CN 101124798A
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CN
China
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.)
Pending
Application number
CNA2006800047143A
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English (en)
Chinese (zh)
Inventor
詹姆斯·D·休斯
莱恩·R·弗雷泰格
马西伯·拉曼
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.)
NXP USA Inc
Original Assignee
Freescale Semiconductor Inc
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 Freescale Semiconductor Inc filed Critical Freescale Semiconductor Inc
Publication of CN101124798A publication Critical patent/CN101124798A/zh
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)
CNA2006800047143A 2005-03-31 2006-02-23 具有集成宽带干扰检测的agc Pending CN101124798A (zh)

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
CN101124798A true CN101124798A (zh) 2008-02-13

Family

ID=37070475

Family Applications (1)

Application Number Title Priority Date Filing Date
CNA2006800047143A Pending CN101124798A (zh) 2005-03-31 2006-02-23 具有集成宽带干扰检测的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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Publication number Priority date Publication date Assignee Title
CN101605343A (zh) * 2008-06-11 2009-12-16 昆天公司 调频未占用信道扫描系统及使用方法
CN104320207A (zh) * 2014-10-17 2015-01-28 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
CN107645344A (zh) * 2016-07-20 2018-01-30 特克特朗尼克公司 多频带噪声降低系统和方法
CN108696289A (zh) * 2017-04-06 2018-10-23 亚德诺半导体集团 用于改善接收机增益控制的双输入模数转换器
CN111399001A (zh) * 2020-03-31 2020-07-10 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
WO2022179439A1 (zh) * 2021-02-25 2022-09-01 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
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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US7664211B2 (en) 2005-10-07 2010-02-16 Starkey Laboratories, Inc. Automatic gain control with out of band blocking signal compensation
US7929650B2 (en) * 2005-10-18 2011-04-19 Freescale Semiconductor, Inc. AGC for narrowband receivers
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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
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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
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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
US8582699B2 (en) * 2009-07-30 2013-11-12 Texas Instruments Incorporated Maintaining ADC input magnitude from digital par and peak value
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
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
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
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
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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
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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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101605343A (zh) * 2008-06-11 2009-12-16 昆天公司 调频未占用信道扫描系统及使用方法
CN104320207A (zh) * 2014-10-17 2015-01-28 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
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
CN107645344A (zh) * 2016-07-20 2018-01-30 特克特朗尼克公司 多频带噪声降低系统和方法
CN107645344B (zh) * 2016-07-20 2021-05-04 特克特朗尼克公司 多频带噪声降低系统和方法
CN108696289A (zh) * 2017-04-06 2018-10-23 亚德诺半导体集团 用于改善接收机增益控制的双输入模数转换器
CN108696289B (zh) * 2017-04-06 2021-02-02 亚德诺半导体集团 用于改善接收机增益控制的双输入模数转换器
CN111399001A (zh) * 2020-03-31 2020-07-10 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
WO2022179439A1 (zh) * 2021-02-25 2022-09-01 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
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

Also Published As

Publication number Publication date
WO2006107450A2 (en) 2006-10-12
JP2008535376A (ja) 2008-08-28
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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Open date: 20080213