ATE520198T1 - Modulationsabhängige automatische verstärkungsregelung - Google Patents

Modulationsabhängige automatische verstärkungsregelung

Info

Publication number
ATE520198T1
ATE520198T1 AT07761360T AT07761360T ATE520198T1 AT E520198 T1 ATE520198 T1 AT E520198T1 AT 07761360 T AT07761360 T AT 07761360T AT 07761360 T AT07761360 T AT 07761360T AT E520198 T1 ATE520198 T1 AT E520198T1
Authority
AT
Austria
Prior art keywords
setpoint
gain
priority
agc
order modulation
Prior art date
Application number
AT07761360T
Other languages
English (en)
Inventor
Todd Sutton
Original Assignee
Wi Lan 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 Wi Lan Inc filed Critical Wi Lan Inc
Application granted granted Critical
Publication of ATE520198T1 publication Critical patent/ATE520198T1/de

Links

Classifications

    • 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
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0008—Modulated-carrier systems arrangements for allowing a transmitter or receiver to use more than one type of modulation

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Circuits Of Receivers In General (AREA)
AT07761360T 2006-05-05 2007-04-26 Modulationsabhängige automatische verstärkungsregelung ATE520198T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/381,959 US7881411B2 (en) 2006-05-05 2006-05-05 Modulation dependent automatic gain control
PCT/US2007/067514 WO2007130843A2 (en) 2006-05-05 2007-04-26 Modulation dependent automatic gain control

Publications (1)

Publication Number Publication Date
ATE520198T1 true ATE520198T1 (de) 2011-08-15

Family

ID=38661178

Family Applications (1)

Application Number Title Priority Date Filing Date
AT07761360T ATE520198T1 (de) 2006-05-05 2007-04-26 Modulationsabhängige automatische verstärkungsregelung

Country Status (5)

Country Link
US (1) US7881411B2 (de)
EP (1) EP2022170B1 (de)
AT (1) ATE520198T1 (de)
TW (1) TW200746622A (de)
WO (1) WO2007130843A2 (de)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
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EP2053739A4 (de) * 2006-12-15 2010-10-06 Panasonic Corp Digitales agc gerät
US7541956B1 (en) * 2008-01-31 2009-06-02 Delta Electronics, Inc. Inverter system with variable input gain apparatus and method for the same
ATE474374T1 (de) * 2008-05-14 2010-07-15 Ericsson Telefon Ab L M Verfahren zur steuerung einer empfängerverstärkung
KR101544429B1 (ko) * 2008-10-17 2015-08-17 삼성전자주식회사 이동통신 시스템의 이득 제어 장치 및 방법
US8614961B1 (en) * 2008-12-31 2013-12-24 Qualcomm Incorporated Efficient communication over a shared medium
US8537284B2 (en) * 2009-03-20 2013-09-17 Advanced Micro Devices, Inc. Adjacent channel power scan
JP5278197B2 (ja) * 2009-06-29 2013-09-04 ソニー株式会社 非接触通信装置および非接触通信方法
US8812063B2 (en) 2010-05-26 2014-08-19 Qualcomm Incorporated Signal characteristic-based leading edge detection
US8837307B2 (en) 2010-05-26 2014-09-16 Qualcomm Incorporated Two-way ranging messaging scheme
US8879407B2 (en) 2010-05-26 2014-11-04 Qualcomm Incorporated Two-way ranging messaging scheme
US8886148B2 (en) * 2010-05-26 2014-11-11 Qualcomm Incorporated Signal based gain control
US8831141B2 (en) 2010-06-25 2014-09-09 Qualcomm Incorporated Leading edge detection
US10462757B2 (en) * 2015-09-07 2019-10-29 Signalchip Innovations Private Limited Automatic gain control based on signal spectrum sensing
TWI575890B (zh) 2015-10-19 2017-03-21 瑞昱半導體股份有限公司 通訊接收端及其自動增益控制方法
DE102017219691B3 (de) * 2017-11-06 2019-05-02 Laird Dabendorf Gmbh Verfahren und Vorrichtungen zur Bestimmung der Modulationsart eines Signals und Konfiguration einer Verstärkungseinheit
CN110392421B (zh) * 2018-04-18 2022-06-28 大唐移动通信设备有限公司 一种基于agc的信号处理方法及设备
US20230238977A1 (en) * 2022-01-23 2023-07-27 Samsung Display Co., Ltd. Multi-purpose compensation circuits for high-speed receivers

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JPH11136142A (ja) 1997-11-03 1999-05-21 Nec Shizuoka Ltd 利得制御回路及び利得制御方法
JP3024755B2 (ja) * 1998-06-24 2000-03-21 日本電気株式会社 Ａｇｃ回路及びその制御方法
US6052566A (en) 1998-06-26 2000-04-18 Lucent Technologies Inc. Combined RSSI/SNR-driven intermodulation-mitigation scheme for CDMA terminals
US6571083B1 (en) * 1999-05-05 2003-05-27 Motorola, Inc. Method and apparatus for automatic simulcast correction for a correlation detector
US6324230B1 (en) 2000-02-29 2001-11-27 Motorola, Inc. Multimode fast attack automatic gain control (AGC) loop for narrow band receivers
US6668164B2 (en) * 2000-06-01 2003-12-23 Motorola, Inc. Method and apparatus for reducing intermodulation distortion in a low current drain automatic gain control system
JP2001358791A (ja) * 2000-06-15 2001-12-26 Mitsubishi Electric Corp 自動利得制御回路
US6424221B1 (en) * 2000-06-19 2002-07-23 Advanced Micro Devices, Inc. Programmable gain amplifier for use in data network
JP4105549B2 (ja) 2001-01-12 2008-06-25 クゥアルコム・インコーポレイテッド 直接変換ディジタル領域制御
US6498927B2 (en) * 2001-03-28 2002-12-24 Gct Semiconductor, Inc. Automatic gain control method for highly integrated communication receiver
US7027530B2 (en) * 2001-04-11 2006-04-11 Atheros Communications, Inc. Method and apparatus for maximizing receiver performance utilizing mid-packet gain changes
JP3805258B2 (ja) * 2002-01-29 2006-08-02 松下電器産業株式会社 ダイレクトコンバージョン受信機
US6868263B2 (en) 2002-06-10 2005-03-15 Qualcomm Incorporated Digital automatic gain control
US7630321B2 (en) 2002-09-10 2009-12-08 Qualcomm Incorporated System and method for rate assignment
US7227916B2 (en) * 2003-08-26 2007-06-05 Freescale Semiconductor, Inc. Receiver with automatic gain control that operates with multiple protocols and method thereof
US7386063B1 (en) * 2003-10-31 2008-06-10 Atheros Communications, Inc. Voting block for identifying WLAN signal modulation type
US7349503B2 (en) 2003-11-07 2008-03-25 Atheros Communications, Inc. Adaptive interference immunity control
TWI373925B (en) 2004-02-10 2012-10-01 Tridev Res L L C Tunable resonant circuit, tunable voltage controlled oscillator circuit, tunable low noise amplifier circuit and method of tuning a resonant circuit
US7127223B2 (en) * 2004-09-09 2006-10-24 Navini Networks, Inc. Proactive gain control system for communications receivers

Also Published As

Publication number Publication date
WO2007130843A3 (en) 2008-02-14
TW200746622A (en) 2007-12-16
WO2007130843A2 (en) 2007-11-15
EP2022170A2 (de) 2009-02-11
EP2022170B1 (de) 2011-08-10
US20070258548A1 (en) 2007-11-08
US7881411B2 (en) 2011-02-01

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