EP1897225A4 - Transmitter delay and phase adjustment - Google Patents

Transmitter delay and phase adjustment

Info

Publication number
EP1897225A4
EP1897225A4 EP06764529.1A EP06764529A EP1897225A4 EP 1897225 A4 EP1897225 A4 EP 1897225A4 EP 06764529 A EP06764529 A EP 06764529A EP 1897225 A4 EP1897225 A4 EP 1897225A4
Authority
EP
European Patent Office
Prior art keywords
phase adjustment
transmitter delay
transmitter
delay
adjustment
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
EP06764529.1A
Other languages
German (de)
French (fr)
Other versions
EP1897225A1 (en
Inventor
Marko Leukkunen
Kauko Heinikoski
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nokia Solutions and Networks Oy
Original Assignee
Nokia Solutions and Networks Oy
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
Priority claimed from FI20055367A external-priority patent/FI20055367A0/en
Application filed by Nokia Solutions and Networks Oy filed Critical Nokia Solutions and Networks Oy
Publication of EP1897225A1 publication Critical patent/EP1897225A1/en
Publication of EP1897225A4 publication Critical patent/EP1897225A4/en
Withdrawn legal-status Critical Current

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
    • H04B1/02—Transmitters
    • H04B1/04—Circuits
    • H04B1/0475—Circuits with means for limiting noise, interference or distortion
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/32—Modifications of amplifiers to reduce non-linear distortion
    • H03F1/3241—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/34—Negative-feedback-circuit arrangements with or without positive feedback
    • 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
    • H03F3/21—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
    • H03F3/211—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only using a combination of several amplifiers
    • 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
    • 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
    • H04B1/0483—Transmitters with multiple parallel paths
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/451—Indexing scheme relating to amplifiers the amplifier being a radio frequency amplifier
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
    • H03F2203/20—Indexing scheme relating to power amplifiers, e.g. Class B amplifiers, Class C amplifiers
    • H03F2203/21—Indexing scheme relating to power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
    • H03F2203/211—Indexing scheme relating to power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only using a combination of several amplifiers
    • H03F2203/21106—An input signal being distributed in parallel over the inputs of a plurality of power amplifiers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
    • H03F2203/20—Indexing scheme relating to power amplifiers, e.g. Class B amplifiers, Class C amplifiers
    • H03F2203/21—Indexing scheme relating to power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
    • H03F2203/211—Indexing scheme relating to power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only using a combination of several amplifiers
    • H03F2203/21112—A filter circuit being added at the input of a power amplifier stage
    • 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
    • H04B2001/0408—Circuits with power amplifiers
    • H04B2001/0425—Circuits with power amplifiers with linearisation using predistortion
    • 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
    • H04B2001/0408—Circuits with power amplifiers
    • H04B2001/0433—Circuits with power amplifiers with linearisation using feedback
EP06764529.1A 2005-06-30 2006-06-28 Transmitter delay and phase adjustment Withdrawn EP1897225A4 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FI20055367A FI20055367A0 (en) 2005-06-30 2005-06-30 Transmitter delay and phase adjustment
US11/471,606 US7957700B2 (en) 2005-06-30 2006-06-21 Transmitter delay and phase adjustment
PCT/FI2006/050290 WO2007003703A1 (en) 2005-06-30 2006-06-28 Transmitter delay and phase adjustment

Publications (2)

Publication Number Publication Date
EP1897225A1 EP1897225A1 (en) 2008-03-12
EP1897225A4 true EP1897225A4 (en) 2014-04-23

Family

ID=37604113

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06764529.1A Withdrawn EP1897225A4 (en) 2005-06-30 2006-06-28 Transmitter delay and phase adjustment

Country Status (2)

Country Link
EP (1) EP1897225A4 (en)
WO (1) WO2007003703A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2017956A1 (en) * 2007-07-18 2009-01-21 Nokia Siemens Networks Oy Radio signal amplifying device and method for generating and for amplifying a radio frequency signal

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040014500A1 (en) * 2002-07-13 2004-01-22 Chun Byung-Jin Adaptive power pooling apparatus and method in a mobile communication system
US20040204100A1 (en) * 2003-04-10 2004-10-14 Braithwaite Richard Neil Multi-transmitter communication system employing anti-phase pilot signals
WO2004109952A1 (en) * 2003-06-02 2004-12-16 Fujitsu Limited Array antenna communication device and array antenna communication device calibration method

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60136426A (en) * 1983-12-26 1985-07-19 Toshiba Corp Transmission output control system of transmitter
JPH0964758A (en) * 1995-08-30 1997-03-07 Matsushita Electric Ind Co Ltd Transmitter for digital portable radio equipment and high frequency power amplifier used for it
US6516183B1 (en) * 1999-09-10 2003-02-04 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for disturbance compensation of a direct conversion receiver in a full duplex transceiver
WO2004077662A1 (en) * 2003-02-25 2004-09-10 Huawei Technologies Co., Ltd Power amplifying device for communication system

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040014500A1 (en) * 2002-07-13 2004-01-22 Chun Byung-Jin Adaptive power pooling apparatus and method in a mobile communication system
US20040204100A1 (en) * 2003-04-10 2004-10-14 Braithwaite Richard Neil Multi-transmitter communication system employing anti-phase pilot signals
WO2004109952A1 (en) * 2003-06-02 2004-12-16 Fujitsu Limited Array antenna communication device and array antenna communication device calibration method
US20050239419A1 (en) * 2003-06-02 2005-10-27 Nobukazu Fudaba Array-antenna-equipped communication apparatus and method of calibrating array-antenna-equipped communication apparatus

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2007003703A1 *

Also Published As

Publication number Publication date
EP1897225A1 (en) 2008-03-12
WO2007003703A1 (en) 2007-01-11

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Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20080108

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR

DAX Request for extension of the european patent (deleted)
DAX Request for extension of the european patent (deleted)
RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: NOKIA SOLUTIONS AND NETWORKS OY

A4 Supplementary search report drawn up and despatched

Effective date: 20140325

RIC1 Information provided on ipc code assigned before grant

Ipc: H04B 1/04 20060101AFI20140319BHEP

17Q First examination report despatched

Effective date: 20140404

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20151209