DE60036596D1 - Kompensationsschaltung für nichtlineare Verzerrungen, sowie zugehörige Sendevorrichtung und mobiles Kommunikationsgerät - Google Patents

Kompensationsschaltung für nichtlineare Verzerrungen, sowie zugehörige Sendevorrichtung und mobiles Kommunikationsgerät

Info

Publication number
DE60036596D1
DE60036596D1 DE60036596T DE60036596T DE60036596D1 DE 60036596 D1 DE60036596 D1 DE 60036596D1 DE 60036596 T DE60036596 T DE 60036596T DE 60036596 T DE60036596 T DE 60036596T DE 60036596 D1 DE60036596 D1 DE 60036596D1
Authority
DE
Germany
Prior art keywords
well
mobile communication
compensation circuit
communication device
nonlinear distortions
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
DE60036596T
Other languages
English (en)
Other versions
DE60036596T2 (de
Inventor
Tetsuya Takaki
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.)
NEC Corp
Original Assignee
NEC Corp
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 NEC Corp filed Critical NEC Corp
Publication of DE60036596D1 publication Critical patent/DE60036596D1/de
Application granted granted Critical
Publication of DE60036596T2 publication Critical patent/DE60036596T2/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
    • H03F1/3247—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
    • H03F1/3282—Acting on the phase and the amplitude of the input signal
    • H03F1/3288—Acting on the phase and the amplitude of the input signal to compensate phase shift as a function of the amplitude
    • 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
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2201/00—Indexing scheme relating to details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements covered by H03F1/00
    • H03F2201/32—Indexing scheme relating to modifications of amplifiers to reduce non-linear distortion
    • H03F2201/3233—Adaptive predistortion using lookup table, e.g. memory, RAM, ROM, LUT, to generate the predistortion

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Transmitters (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Mobile Radio Communication Systems (AREA)
DE2000636596 1999-11-30 2000-11-20 Kompensationsschaltung für nichtlineare Verzerrungen, sowie zugehörige Sendevorrichtung und mobiles Kommunikationsgerät Expired - Lifetime DE60036596T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP33891799A JP3381689B2 (ja) 1999-11-30 1999-11-30 非線形歪み補償回路及びそれを用いた送信装置並びに移動通信機
JP33891799 1999-11-30

Publications (2)

Publication Number Publication Date
DE60036596D1 true DE60036596D1 (de) 2007-11-15
DE60036596T2 DE60036596T2 (de) 2008-07-03

Family

ID=18322558

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2000636596 Expired - Lifetime DE60036596T2 (de) 1999-11-30 2000-11-20 Kompensationsschaltung für nichtlineare Verzerrungen, sowie zugehörige Sendevorrichtung und mobiles Kommunikationsgerät

Country Status (6)

Country Link
US (1) US6741867B1 (de)
EP (1) EP1107449B1 (de)
JP (1) JP3381689B2 (de)
CN (1) CN1199479C (de)
AU (1) AU772463B2 (de)
DE (1) DE60036596T2 (de)

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US7911272B2 (en) 2007-06-19 2011-03-22 Parkervision, Inc. Systems and methods of RF power transmission, modulation, and amplification, including blended control embodiments
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US8369906B2 (en) * 2006-03-31 2013-02-05 Silicon Laboratories Inc. Antenna compensation system and method in a communications device
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JP5042955B2 (ja) * 2008-09-22 2012-10-03 株式会社日立製作所 無線基地局及び受信機障害診断方法
US9265013B2 (en) * 2009-10-22 2016-02-16 Telefonaktiebolaget L M Ericsson (Publ) Methods and arrangements for scheduling based on power consumption
US20110141930A1 (en) * 2009-12-11 2011-06-16 Qualcomm Incorporated Baseband compensation for phase discontinuities in radio frequency communication devices
CN102149179B (zh) * 2010-02-09 2013-08-14 华为技术有限公司 一种功率控制方法和设备
CN103597807B (zh) 2010-09-14 2015-09-30 大理系统有限公司 远程可重新配置的分布式天线系统和方法
WO2012139126A1 (en) 2011-04-08 2012-10-11 Parkervision, Inc. Systems and methods of rf power transmission, modulation, and amplification
JP6174574B2 (ja) 2011-06-02 2017-08-02 パーカーヴィジョン インコーポレイテッド アンテナ制御
FR2985114B1 (fr) * 2011-12-22 2014-01-17 Satcom1 Aps Telephone mobile adaptable a une zone a acces restreint et cellule d'exploitation de tels telephones
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Also Published As

Publication number Publication date
AU7177200A (en) 2001-05-31
EP1107449B1 (de) 2007-10-03
AU772463B2 (en) 2004-04-29
CN1298236A (zh) 2001-06-06
CN1199479C (zh) 2005-04-27
EP1107449A3 (de) 2005-10-19
JP2001156868A (ja) 2001-06-08
US6741867B1 (en) 2004-05-25
EP1107449A2 (de) 2001-06-13
DE60036596T2 (de) 2008-07-03
JP3381689B2 (ja) 2003-03-04

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