ATE485626T1 - Verstärkungsregelung für einen empfänger in einem mehrträger-kommunikationssystem - Google Patents

Verstärkungsregelung für einen empfänger in einem mehrträger-kommunikationssystem

Info

Publication number
ATE485626T1
ATE485626T1 AT05745625T AT05745625T ATE485626T1 AT E485626 T1 ATE485626 T1 AT E485626T1 AT 05745625 T AT05745625 T AT 05745625T AT 05745625 T AT05745625 T AT 05745625T AT E485626 T1 ATE485626 T1 AT E485626T1
Authority
AT
Austria
Prior art keywords
receiver
communications system
gain control
multi carrier
carrier communications
Prior art date
Application number
AT05745625T
Other languages
English (en)
Inventor
Wei Xiong
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 ATE485626T1 publication Critical patent/ATE485626T1/de

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • 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
    • H03G3/001—Digital control of analog 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
    • 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
    • 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
    • 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
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2647—Arrangements specific to the receiver only

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)
AT05745625T 2004-05-03 2005-05-03 Verstärkungsregelung für einen empfänger in einem mehrträger-kommunikationssystem ATE485626T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US56811104P 2004-05-03 2004-05-03
PCT/US2005/015288 WO2005109632A1 (en) 2004-05-03 2005-05-03 Gain control for a receiver in a multi-carrier communication system

Publications (1)

Publication Number Publication Date
ATE485626T1 true ATE485626T1 (de) 2010-11-15

Family

ID=34968874

Family Applications (1)

Application Number Title Priority Date Filing Date
AT05745625T ATE485626T1 (de) 2004-05-03 2005-05-03 Verstärkungsregelung für einen empfänger in einem mehrträger-kommunikationssystem

Country Status (16)

Country Link
US (2) US7773702B2 (de)
EP (1) EP1751857B1 (de)
JP (1) JP2007536814A (de)
KR (1) KR100871940B1 (de)
CN (1) CN101002383B (de)
AR (1) AR048882A1 (de)
AT (1) ATE485626T1 (de)
AU (2) AU2005241962A1 (de)
BR (1) BRPI0510626A (de)
CA (1) CA2565565A1 (de)
DE (1) DE602005024261D1 (de)
IL (1) IL179024A0 (de)
MX (1) MXPA06012749A (de)
RU (1) RU2389131C2 (de)
TW (1) TWI389450B (de)
WO (1) WO2005109632A1 (de)

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Also Published As

Publication number Publication date
TWI389450B (zh) 2013-03-11
TW200623618A (en) 2006-07-01
DE602005024261D1 (de) 2010-12-02
RU2006142698A (ru) 2008-06-10
CN101002383A (zh) 2007-07-18
IL179024A0 (en) 2007-03-08
KR20070006936A (ko) 2007-01-11
AR048882A1 (es) 2006-06-07
AU2009212788A1 (en) 2009-09-17
CN101002383B (zh) 2012-05-23
JP2007536814A (ja) 2007-12-13
MXPA06012749A (es) 2007-02-19
US20100303180A1 (en) 2010-12-02
BRPI0510626A (pt) 2007-10-30
RU2389131C2 (ru) 2010-05-10
EP1751857A1 (de) 2007-02-14
WO2005109632A1 (en) 2005-11-17
AU2005241962A1 (en) 2005-11-17
US7773702B2 (en) 2010-08-10
CA2565565A1 (en) 2005-11-17
KR100871940B1 (ko) 2008-12-08
US8553815B2 (en) 2013-10-08
EP1751857B1 (de) 2010-10-20
US20050276359A1 (en) 2005-12-15

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