DE60332332D1 - Verfahren und vorrichtung mit basisbandtransformation zur verbesserung von senderleistung - Google Patents

Verfahren und vorrichtung mit basisbandtransformation zur verbesserung von senderleistung

Info

Publication number
DE60332332D1
DE60332332D1 DE60332332T DE60332332T DE60332332D1 DE 60332332 D1 DE60332332 D1 DE 60332332D1 DE 60332332 T DE60332332 T DE 60332332T DE 60332332 T DE60332332 T DE 60332332T DE 60332332 D1 DE60332332 D1 DE 60332332D1
Authority
DE
Germany
Prior art keywords
signals
output
base band
coupled
modified
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.)
Expired - Lifetime
Application number
DE60332332T
Other languages
English (en)
Inventor
Danny Thomas Pinckley
Sean Michael Mcbeath
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.)
Motorola Solutions Inc
Original Assignee
Motorola 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 Motorola Inc filed Critical Motorola Inc
Application granted granted Critical
Publication of DE60332332D1 publication Critical patent/DE60332332D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • H03F1/3252—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits using multiple parallel paths between input and output
    • 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
    • H03F1/3294—Acting on the real and imaginary components of the input signal
    • 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
DE60332332T 2002-03-19 2003-02-07 Verfahren und vorrichtung mit basisbandtransformation zur verbesserung von senderleistung Expired - Lifetime DE60332332D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/101,903 US6983026B2 (en) 2002-03-19 2002-03-19 Method and apparatus using base band transformation to improve transmitter performance
PCT/US2003/003876 WO2003081792A1 (en) 2002-03-19 2003-02-07 Method and apparatus using base band transformation to improve transmitter performance

Publications (1)

Publication Number Publication Date
DE60332332D1 true DE60332332D1 (de) 2010-06-10

Family

ID=28040094

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60332332T Expired - Lifetime DE60332332D1 (de) 2002-03-19 2003-02-07 Verfahren und vorrichtung mit basisbandtransformation zur verbesserung von senderleistung

Country Status (9)

Country Link
US (1) US6983026B2 (de)
EP (1) EP1486005B1 (de)
JP (1) JP4261367B2 (de)
KR (1) KR100958046B1 (de)
CN (1) CN100373782C (de)
AT (1) ATE466413T1 (de)
AU (1) AU2003216211A1 (de)
DE (1) DE60332332D1 (de)
WO (1) WO2003081792A1 (de)

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US9026067B2 (en) 2007-04-23 2015-05-05 Dali Systems Co. Ltd. Remotely reconfigurable power amplifier system and method
US8274332B2 (en) 2007-04-23 2012-09-25 Dali Systems Co. Ltd. N-way Doherty distributed power amplifier with power tracking
US8224266B2 (en) * 2007-08-30 2012-07-17 Dali Systems Co., Ltd. Power amplifier predistortion methods and apparatus using envelope and phase detector
US8897393B1 (en) 2007-10-16 2014-11-25 Marvell International Ltd. Protected codebook selection at receiver for transmit beamforming
US8542725B1 (en) 2007-11-14 2013-09-24 Marvell International Ltd. Decision feedback equalization for signals having unequally distributed patterns
US8213884B2 (en) * 2007-12-07 2012-07-03 Dali System Co. Ltd. Baseband-derived RF digital predistortion
US8140606B2 (en) * 2007-12-17 2012-03-20 Motorola Mobility, Inc. Method and apparatus for a fail safe fourier transform matrix
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US8761261B1 (en) 2008-07-29 2014-06-24 Marvell International Ltd. Encoding using motion vectors
US8345533B1 (en) 2008-08-18 2013-01-01 Marvell International Ltd. Frame synchronization techniques
US8681893B1 (en) 2008-10-08 2014-03-25 Marvell International Ltd. Generating pulses using a look-up table
US8761834B2 (en) * 2008-12-31 2014-06-24 Motorola Mobility Llc Method and apparatus for antenna selection and power control in a multiple input multiple output wireless communication system
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US8542768B2 (en) 2009-12-21 2013-09-24 Dali Systems Co. Ltd. High efficiency, remotely reconfigurable remote radio head unit system and method for wireless communications
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US8750410B2 (en) * 2010-09-22 2014-06-10 Texas Instruments Incorporated Multi-band power amplifier digital predistortion system and method
US8934500B2 (en) 2011-04-13 2015-01-13 Motorola Mobility Llc Method and apparatus using two radio access technologies for scheduling resources in wireless communication systems
US9565655B2 (en) 2011-04-13 2017-02-07 Google Technology Holdings LLC Method and apparatus to detect the transmission bandwidth configuration of a channel in connection with reducing interference between channels in wireless communication systems
US9077571B2 (en) * 2011-09-09 2015-07-07 Nxp B.V. Adaptive equalizer and/or antenna tuning
US8576943B2 (en) * 2011-09-09 2013-11-05 Telefonaktiebolaget L M Ericsson (Publ) Linearization for a single power amplifier in a multi-band transmitter
JP5794163B2 (ja) * 2012-02-03 2015-10-14 アイコム株式会社 通信機および通信方法
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EP3005554B1 (de) * 2013-06-05 2021-01-27 Telefonaktiebolaget LM Ericsson (publ) Digitale vorverzerrung von breitbandigen leistungsverstärkern mit reduzierter beobachtungsbandbreite
KR102140299B1 (ko) * 2014-01-27 2020-07-31 한국전자통신연구원 논리 레벨에 대응하는 전기 특성 값을 조절하는 송신 장치 및 그것의 신호 전송 방법
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Also Published As

Publication number Publication date
WO2003081792A1 (en) 2003-10-02
EP1486005B1 (de) 2010-04-28
ATE466413T1 (de) 2010-05-15
JP4261367B2 (ja) 2009-04-30
CN1647395A (zh) 2005-07-27
AU2003216211A1 (en) 2003-10-08
KR100958046B1 (ko) 2010-05-17
US6983026B2 (en) 2006-01-03
KR20040091764A (ko) 2004-10-28
US20030179829A1 (en) 2003-09-25
JP2006509378A (ja) 2006-03-16
CN100373782C (zh) 2008-03-05
EP1486005A1 (de) 2004-12-15

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