ATE464698T1 - Vorrichtung zum überwachen nichtlinearer verzerrungen von funksignalen und verfahren dafür - Google Patents

Vorrichtung zum überwachen nichtlinearer verzerrungen von funksignalen und verfahren dafür

Info

Publication number
ATE464698T1
ATE464698T1 AT06763215T AT06763215T ATE464698T1 AT E464698 T1 ATE464698 T1 AT E464698T1 AT 06763215 T AT06763215 T AT 06763215T AT 06763215 T AT06763215 T AT 06763215T AT E464698 T1 ATE464698 T1 AT E464698T1
Authority
AT
Austria
Prior art keywords
digital
analogue
signal
radio signals
linear distortions
Prior art date
Application number
AT06763215T
Other languages
English (en)
Inventor
Franz-Josef Hagmanns
Original Assignee
Ericsson Telefon Ab L M
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 Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Application granted granted Critical
Publication of ATE464698T1 publication Critical patent/ATE464698T1/de

Links

Classifications

    • 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
    • H03F1/3247—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits using feedback acting on 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
    • H03F1/32—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
    • H03F3/24—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
    • 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
AT06763215T 2006-05-22 2006-05-22 Vorrichtung zum überwachen nichtlinearer verzerrungen von funksignalen und verfahren dafür ATE464698T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2006/062489 WO2007134637A1 (en) 2006-05-22 2006-05-22 An apparatus for monitoring non-linear distortions of radio signals and a method therefor

Publications (1)

Publication Number Publication Date
ATE464698T1 true ATE464698T1 (de) 2010-04-15

Family

ID=37638198

Family Applications (1)

Application Number Title Priority Date Filing Date
AT06763215T ATE464698T1 (de) 2006-05-22 2006-05-22 Vorrichtung zum überwachen nichtlinearer verzerrungen von funksignalen und verfahren dafür

Country Status (5)

Country Link
US (1) US7812748B2 (de)
EP (1) EP2020087B1 (de)
AT (1) ATE464698T1 (de)
DE (1) DE602006013720D1 (de)
WO (1) WO2007134637A1 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8195001B2 (en) 2008-04-09 2012-06-05 Intel Corporation In-loop adaptive wiener filter for video coding and decoding
JP6098336B2 (ja) 2012-09-25 2017-03-22 住友電気工業株式会社 歪補償装置および無線通信装置
WO2014195830A1 (en) * 2013-06-05 2014-12-11 Telefonaktiebolaget L M Ericsson (Publ) Digital predistortion of wideband power amplifiers with reduced observation bandwidth
RU2614191C1 (ru) * 2015-10-06 2017-03-23 Открытое акционерное общество "Корпорация космических систем специального назначения "Комета" Способ измерения нелинейных искажений чм сигнала, сформированного методом прямого цифрового синтеза
US10673661B1 (en) * 2019-03-28 2020-06-02 Intel Corporation Signal component cancellation for feedback receiver
CN111193521B (zh) * 2020-01-07 2021-10-12 成都天奥信息科技有限公司 一种应用于民航地空数据链的数字预失真处理回路及方法
RU2758342C1 (ru) * 2020-12-04 2021-10-28 Акционерное общество "ИРКОС" Спектральный способ измерения девиации частоты

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4326673B2 (ja) * 2000-06-06 2009-09-09 富士通株式会社 非線形歪補償装置を有する通信装置の起動方法
US7295813B2 (en) * 2003-07-30 2007-11-13 Motorola Inc. Current reduction by dynamic receiver adjustment in a communication device
DE602004029941D1 (de) 2004-05-19 2010-12-16 Ericsson Telefon Ab L M Adaptives vorverzerrungsverfahren und anordnung
JP4961661B2 (ja) * 2004-09-10 2012-06-27 株式会社日立製作所 ディジタルプリディストーション型送信機および無線基地局

Also Published As

Publication number Publication date
US20100134333A1 (en) 2010-06-03
DE602006013720D1 (de) 2010-05-27
WO2007134637A1 (en) 2007-11-29
US7812748B2 (en) 2010-10-12
EP2020087A1 (de) 2009-02-04
EP2020087B1 (de) 2010-04-14

Similar Documents

Publication Publication Date Title
ATE464698T1 (de) Vorrichtung zum überwachen nichtlinearer verzerrungen von funksignalen und verfahren dafür
US7792214B2 (en) Polar modulation transmitter circuit and communications device
ATE341855T1 (de) Verfahren und vorrichtung zur erzeugung eines funkfrequenzsignals
ATE374460T1 (de) Digitale seitenbandunterdrückung für hochfrequenzmodulatoren
TW200644454A (en) Method and apparatus for RF signal demodulation
WO2008081887A1 (ja) Δς変調型デジタルアナログ変換器、デジタル信号処理方法、およびａｖ装置
WO2007076495A3 (en) Radio frequency transmitter and method therefor
WO2008009013A3 (en) Apparatus for transmitting multiple cdma channels
DE602007010617D1 (de) System und verfahren zur bereitstellung eines senders zur polaren modulation und zur linearisierung eines stromverstärkers
DE502007002058D1 (de) Empfänger und verfahren zum empfangen eines ersten nutzfrequenzbandes und eines zweiten nutzfrequenzbandes
TW200703929A (en) Method and apparatus for dynamic gain and phase compensations
TW200625830A (en) Calibration method for suppressing second order distortion
WO2009082582A3 (en) Method and apparatus for direct digital to radio frequency conversion
DK0486554T3 (da) Fremgangsmåde og indretning til omsætning af digitalt modulerede modtagesignaler fra højfrekvensområdet
WO2007035358A3 (en) Amplifier system employing analog polynomial predistortion with sub-nyquist digital adaptation
CN104052521A (zh) 所有数字发射噪音校正
WO2011113540A3 (en) A flexible gnss receiver rf frontend
RU2010138238A (ru) Цифровая система связи, внутренний блок и внешний блок
FR2926421B1 (fr) Systeme d'emission radiofrequence
DK2161844T3 (da) Frekvensomsætningsanordning, -fremgangsmåde og -system
RU2012129997A (ru) Устройство обработки сигналов и способ обработки сигналов
WO2008005421A3 (en) Method for compensating transmission carrier leakage and tranceiving circuit embodying the same
EP2403136B1 (de) Leistungsverstärkungskette mit einem Sigma-Delta-Modulator mit digitalem Vorverzerrungsfeedback
EP1067696A3 (de) Verzerrungsausgleichverfahren und drahtloses Kommunikationsgerät
EP2568609A3 (de) Digitale Modulation mit beliebiger Eingangsabtastungs- und Ausgangsmodulationsfrequenzen

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties