ATE517469T1 - System und verfahren zur impedanzanpassung einer adaptiven antennengruppe - Google Patents

System und verfahren zur impedanzanpassung einer adaptiven antennengruppe

Info

Publication number
ATE517469T1
ATE517469T1 AT04751228T AT04751228T ATE517469T1 AT E517469 T1 ATE517469 T1 AT E517469T1 AT 04751228 T AT04751228 T AT 04751228T AT 04751228 T AT04751228 T AT 04751228T AT E517469 T1 ATE517469 T1 AT E517469T1
Authority
AT
Austria
Prior art keywords
antenna
signals
transceiver
receiver
transmit
Prior art date
Application number
AT04751228T
Other languages
English (en)
Inventor
Paul Dent
Rodney A Dolman
Original Assignee
Ericsson 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 Ericsson Inc filed Critical Ericsson Inc
Application granted granted Critical
Publication of ATE517469T1 publication Critical patent/ATE517469T1/de

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
    • H03F3/24—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers of transmitter output stages
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/38—Impedance-matching networks
    • H03H7/40—Automatic matching of load impedance to source impedance
    • 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
    • H04B1/005—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 adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
    • 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
    • H04B1/005—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 adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
    • H04B1/0053—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 adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with common antenna for more than one band
    • H04B1/0057—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 adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with common antenna for more than one band using diplexing or multiplexing filters for selecting the desired band
    • 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
    • H04B1/02—Transmitters
    • H04B1/04—Circuits
    • H04B1/0458—Arrangements for matching and coupling between power amplifier and antenna or between amplifying stages
    • 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
    • H04B1/403—Circuits using the same oscillator for generating both the transmitter frequency and the receiver local oscillator frequency
    • H04B1/406—Circuits using the same oscillator for generating both the transmitter frequency and the receiver local oscillator frequency with more than one transmission mode, e.g. analog and digital modes

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Transmitters (AREA)
  • Transceivers (AREA)
AT04751228T 2003-04-25 2004-04-23 System und verfahren zur impedanzanpassung einer adaptiven antennengruppe ATE517469T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/423,713 US6845126B2 (en) 2001-01-26 2003-04-25 System and method for adaptive antenna impedance matching
PCT/US2004/013740 WO2004098076A1 (en) 2003-04-25 2004-04-23 System and method for adaptive antenna impedance matching

Publications (1)

Publication Number Publication Date
ATE517469T1 true ATE517469T1 (de) 2011-08-15

Family

ID=33415884

Family Applications (1)

Application Number Title Priority Date Filing Date
AT04751228T ATE517469T1 (de) 2003-04-25 2004-04-23 System und verfahren zur impedanzanpassung einer adaptiven antennengruppe

Country Status (4)

Country Link
US (1) US6845126B2 (de)
EP (1) EP1618673B1 (de)
AT (1) ATE517469T1 (de)
WO (1) WO2004098076A1 (de)

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EP1618673A1 (de) 2006-01-25
EP1618673B1 (de) 2011-07-20
US20030193997A1 (en) 2003-10-16
US6845126B2 (en) 2005-01-18
WO2004098076A1 (en) 2004-11-11

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