ATE509457T1 - System mit dynamisch variierender linearität für ein hf-frontend eines kommunikationsgeräts - Google Patents

System mit dynamisch variierender linearität für ein hf-frontend eines kommunikationsgeräts

Info

Publication number
ATE509457T1
ATE509457T1 AT02715157T AT02715157T ATE509457T1 AT E509457 T1 ATE509457 T1 AT E509457T1 AT 02715157 T AT02715157 T AT 02715157T AT 02715157 T AT02715157 T AT 02715157T AT E509457 T1 ATE509457 T1 AT E509457T1
Authority
AT
Austria
Prior art keywords
condition signal
linearity
responsive
transmitter
communications device
Prior art date
Application number
AT02715157T
Other languages
English (en)
Inventor
Balasubramanian Ramachandran
Original Assignee
Skyworks Solutions 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 Skyworks Solutions Inc filed Critical Skyworks Solutions Inc
Application granted granted Critical
Publication of ATE509457T1 publication Critical patent/ATE509457T1/de

Links

Classifications

    • 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
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/18—TPC being performed according to specific parameters
    • H04W52/26—TPC being performed according to specific parameters using transmission rate or quality of service QoS [Quality of Service]
    • H04W52/267—TPC being performed according to specific parameters using transmission rate or quality of service QoS [Quality of Service] taking into account the information rate
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/004—Control by varying the supply voltage
    • 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
    • H03G3/3042—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers in modulators, frequency-changers, transmitters or power amplifiers
    • 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
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G2201/00—Indexing scheme relating to subclass H03G
    • H03G2201/10—Gain control characterised by the type of controlled element
    • H03G2201/103—Gain control characterised by the type of controlled element being an amplifying element
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G2201/00—Indexing scheme relating to subclass H03G
    • H03G2201/30—Gain control characterized by the type of controlled signal
    • H03G2201/307—Gain control characterized by the type of controlled signal being radio frequency signal
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G2201/00—Indexing scheme relating to subclass H03G
    • H03G2201/40—Combined gain and bias control
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G2201/00—Indexing scheme relating to subclass H03G
    • H03G2201/50—Gain control characterized by the means of gain control
    • H03G2201/508—Gain control characterized by the means of gain control by using look-up tables
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/06—TPC algorithms
    • H04W52/08—Closed loop power control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/38—TPC being performed in particular situations

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Transmitters (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
AT02715157T 2001-03-16 2002-03-18 System mit dynamisch variierender linearität für ein hf-frontend eines kommunikationsgeräts ATE509457T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/811,082 US6674999B2 (en) 2001-03-16 2001-03-16 Dynamically varying linearity system for an RF front-end of a communication device
PCT/US2002/008406 WO2002076057A1 (en) 2001-03-16 2002-03-18 Dynamically varying linearity system for an rf front-end of a communication device

Publications (1)

Publication Number Publication Date
ATE509457T1 true ATE509457T1 (de) 2011-05-15

Family

ID=25205497

Family Applications (1)

Application Number Title Priority Date Filing Date
AT02715157T ATE509457T1 (de) 2001-03-16 2002-03-18 System mit dynamisch variierender linearität für ein hf-frontend eines kommunikationsgeräts

Country Status (6)

Country Link
US (2) US6674999B2 (de)
EP (1) EP1382171B1 (de)
KR (1) KR100797489B1 (de)
CN (1) CN100512257C (de)
AT (1) ATE509457T1 (de)
WO (1) WO2002076057A1 (de)

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Also Published As

Publication number Publication date
US7130596B2 (en) 2006-10-31
EP1382171A1 (de) 2004-01-21
US6674999B2 (en) 2004-01-06
CN100512257C (zh) 2009-07-08
EP1382171A4 (de) 2006-06-07
CN1507728A (zh) 2004-06-23
US20020159503A1 (en) 2002-10-31
US20040185807A1 (en) 2004-09-23
EP1382171B1 (de) 2011-05-11
KR100797489B1 (ko) 2008-01-23
KR20040011475A (ko) 2004-02-05
WO2002076057A1 (en) 2002-09-26

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