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ATE368978T1 - Verfahren und gerät zur automatischen verstärkungssteuerung eines mehrträgersignals in einem kommunikationsempfänger - Google Patents

Verfahren und gerät zur automatischen verstärkungssteuerung eines mehrträgersignals in einem kommunikationsempfänger

Info

Publication number
ATE368978T1
ATE368978T1 AT04707440T AT04707440T ATE368978T1 AT E368978 T1 ATE368978 T1 AT E368978T1 AT 04707440 T AT04707440 T AT 04707440T AT 04707440 T AT04707440 T AT 04707440T AT E368978 T1 ATE368978 T1 AT E368978T1
Authority
AT
Austria
Prior art keywords
bits
carrier signal
outer loop
agc
gain control
Prior art date
Application number
AT04707440T
Other languages
English (en)
Inventor
Juan Montojo
Rohan Sudhakar Salvi
Peter J Black
Original Assignee
Qualcomm 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 Qualcomm Inc filed Critical Qualcomm Inc
Application granted granted Critical
Publication of ATE368978T1 publication Critical patent/ATE368978T1/de

Links

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
    • 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
    • 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
    • H03G3/3036—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/12—Analogue/digital converters
    • H03M1/18—Automatic control for modifying the range of signals the converter can handle, e.g. gain ranging
    • H03M1/181—Automatic control for modifying the range of signals the converter can handle, e.g. gain ranging in feedback mode, i.e. by determining the range to be selected from one or more previous digital output values
    • H03M1/183—Automatic control for modifying the range of signals the converter can handle, e.g. gain ranging in feedback mode, i.e. by determining the range to be selected from one or more previous digital output values the feedback signal controlling the gain of an amplifier or attenuator preceding the analogue/digital converter
    • H03M1/185—Automatic control for modifying the range of signals the converter can handle, e.g. gain ranging in feedback mode, i.e. by determining the range to be selected from one or more previous digital output values the feedback signal controlling the gain of an amplifier or attenuator preceding the analogue/digital converter the determination of the range being based on more than one digital output value, e.g. on a running average, a power estimation or the rate of change
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0002—Modulated-carrier systems analog front ends; means for connecting modulators, demodulators or transceivers to a transmission line
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/28—Systems using multi-frequency codes with simultaneous transmission of different frequencies each representing one code element
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/02—Channels characterised by the type of signal
    • H04L5/06—Channels characterised by the type of signal the signals being represented by different frequencies

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Theoretical Computer Science (AREA)
  • Circuits Of Receivers In General (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
AT04707440T 2003-02-01 2004-02-02 Verfahren und gerät zur automatischen verstärkungssteuerung eines mehrträgersignals in einem kommunikationsempfänger ATE368978T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US44428303P 2003-02-01 2003-02-01
US10/437,203 US7995684B2 (en) 2003-02-01 2003-05-12 Method and apparatus for automatic gain control of a multi-carrier signal in a communication receiver

Publications (1)

Publication Number Publication Date
ATE368978T1 true ATE368978T1 (de) 2007-08-15

Family

ID=32775969

Family Applications (1)

Application Number Title Priority Date Filing Date
AT04707440T ATE368978T1 (de) 2003-02-01 2004-02-02 Verfahren und gerät zur automatischen verstärkungssteuerung eines mehrträgersignals in einem kommunikationsempfänger

Country Status (11)

Country Link
US (1) US7995684B2 (de)
EP (1) EP1588517B1 (de)
JP (1) JP4643557B2 (de)
KR (1) KR101040548B1 (de)
CN (1) CN1757194B (de)
AT (1) ATE368978T1 (de)
BR (1) BRPI0407127A (de)
CA (1) CA2514884A1 (de)
DE (1) DE602004007887T2 (de)
MX (1) MXPA05008215A (de)
WO (1) WO2004071005A1 (de)

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US8824979B2 (en) * 2007-09-21 2014-09-02 Qualcomm Incorporated Interference management employing fractional frequency reuse
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US9137806B2 (en) 2007-09-21 2015-09-15 Qualcomm Incorporated Interference management employing fractional time reuse
US8948095B2 (en) 2007-11-27 2015-02-03 Qualcomm Incorporated Interference management in a wireless communication system using frequency selective transmission
US8867456B2 (en) * 2007-11-27 2014-10-21 Qualcomm Incorporated Interface management in wireless communication system using hybrid time reuse
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CN101494894B (zh) * 2008-12-31 2011-01-19 中兴通讯股份有限公司 反向功率控制方法及控制装置
US8160527B2 (en) * 2009-03-30 2012-04-17 Telefonaktiebolaget Lm Ericsson (Publ) Automatic gain control in multi-carrier wireless systems
US8547913B2 (en) * 2010-02-02 2013-10-01 Apple Inc. Apparatus and methods for signal reception based on network load estimations
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US10812216B2 (en) 2018-11-05 2020-10-20 XCOM Labs, Inc. Cooperative multiple-input multiple-output downlink scheduling
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Also Published As

Publication number Publication date
DE602004007887T2 (de) 2008-04-17
CN1757194B (zh) 2010-09-29
CA2514884A1 (en) 2004-08-19
US20040151264A1 (en) 2004-08-05
JP2006517770A (ja) 2006-07-27
JP4643557B2 (ja) 2011-03-02
KR20050096967A (ko) 2005-10-06
MXPA05008215A (es) 2005-11-04
WO2004071005A1 (en) 2004-08-19
CN1757194A (zh) 2006-04-05
DE602004007887D1 (de) 2007-09-13
BRPI0407127A (pt) 2006-01-10
US7995684B2 (en) 2011-08-09
KR101040548B1 (ko) 2011-06-16
EP1588517A1 (de) 2005-10-26
EP1588517B1 (de) 2007-08-01

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