TW200623618A - Gain control for a receiver in a multi-carrier communication system - Google Patents

Gain control for a receiver in a multi-carrier communication system

Info

Publication number
TW200623618A
TW200623618A TW094114312A TW94114312A TW200623618A TW 200623618 A TW200623618 A TW 200623618A TW 094114312 A TW094114312 A TW 094114312A TW 94114312 A TW94114312 A TW 94114312A TW 200623618 A TW200623618 A TW 200623618A
Authority
TW
Taiwan
Prior art keywords
gain
receiver
power
total received
received power
Prior art date
Application number
TW094114312A
Other languages
English (en)
Other versions
TWI389450B (zh
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
Publication of TW200623618A publication Critical patent/TW200623618A/zh
Application granted granted Critical
Publication of TWI389450B publication Critical patent/TWI389450B/zh

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)
TW094114312A 2004-05-03 2005-05-03 多重載波通信系統中接收器之增益控制 TWI389450B (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US56811104P 2004-05-03 2004-05-03

Publications (2)

Publication Number Publication Date
TW200623618A true TW200623618A (en) 2006-07-01
TWI389450B TWI389450B (zh) 2013-03-11

Family

ID=34968874

Family Applications (1)

Application Number Title Priority Date Filing Date
TW094114312A TWI389450B (zh) 2004-05-03 2005-05-03 多重載波通信系統中接收器之增益控制

Country Status (16)

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

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Also Published As

Publication number Publication date
AU2005241962A1 (en) 2005-11-17
US20050276359A1 (en) 2005-12-15
IL179024A0 (en) 2007-03-08
CN101002383B (zh) 2012-05-23
EP1751857B1 (en) 2010-10-20
US7773702B2 (en) 2010-08-10
KR20070006936A (ko) 2007-01-11
CN101002383A (zh) 2007-07-18
TWI389450B (zh) 2013-03-11
ATE485626T1 (de) 2010-11-15
RU2006142698A (ru) 2008-06-10
CA2565565A1 (en) 2005-11-17
EP1751857A1 (en) 2007-02-14
WO2005109632A1 (en) 2005-11-17
US8553815B2 (en) 2013-10-08
DE602005024261D1 (de) 2010-12-02
MXPA06012749A (es) 2007-02-19
AR048882A1 (es) 2006-06-07
JP2007536814A (ja) 2007-12-13
KR100871940B1 (ko) 2008-12-08
US20100303180A1 (en) 2010-12-02
BRPI0510626A (pt) 2007-10-30
RU2389131C2 (ru) 2010-05-10
AU2009212788A1 (en) 2009-09-17

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