FI20055354A0 - Datankäsittelymenetelmä, lähetin, laite, verkkoelementti ja tukiasema - Google Patents

Datankäsittelymenetelmä, lähetin, laite, verkkoelementti ja tukiasema

Info

Publication number
FI20055354A0
FI20055354A0 FI20055354A FI20055354A FI20055354A0 FI 20055354 A0 FI20055354 A0 FI 20055354A0 FI 20055354 A FI20055354 A FI 20055354A FI 20055354 A FI20055354 A FI 20055354A FI 20055354 A0 FI20055354 A0 FI 20055354A0
Authority
FI
Finland
Prior art keywords
transmitter
base station
data processing
processing method
network element
Prior art date
Application number
FI20055354A
Other languages
English (en)
Swedish (sv)
Inventor
Kauko Heinikoski
Samu Saarinen
Original Assignee
Nokia 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 Nokia Corp filed Critical Nokia Corp
Priority to FI20055354A priority Critical patent/FI20055354A0/fi
Publication of FI20055354A0 publication Critical patent/FI20055354A0/fi
Priority to TW095123314A priority patent/TW200709626A/zh
Priority to CN200680028081XA priority patent/CN101233683B/zh
Priority to PCT/FI2006/050294 priority patent/WO2007000496A1/en
Priority to US11/476,622 priority patent/US7796959B2/en

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

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)
  • Amplifiers (AREA)
FI20055354A 2005-06-29 2005-06-29 Datankäsittelymenetelmä, lähetin, laite, verkkoelementti ja tukiasema FI20055354A0 (fi)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FI20055354A FI20055354A0 (fi) 2005-06-29 2005-06-29 Datankäsittelymenetelmä, lähetin, laite, verkkoelementti ja tukiasema
TW095123314A TW200709626A (en) 2005-06-29 2006-06-28 Data processing method, transmitter, device, network element and base station
CN200680028081XA CN101233683B (zh) 2005-06-29 2006-06-28 数据处理方法、发射机、设备、网元和基站
PCT/FI2006/050294 WO2007000496A1 (en) 2005-06-29 2006-06-28 Data processing method, transmitter, device, network element and base station
US11/476,622 US7796959B2 (en) 2005-06-29 2006-06-29 Data processing method, transmitter, device, network element and base station

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI20055354A FI20055354A0 (fi) 2005-06-29 2005-06-29 Datankäsittelymenetelmä, lähetin, laite, verkkoelementti ja tukiasema

Publications (1)

Publication Number Publication Date
FI20055354A0 true FI20055354A0 (fi) 2005-06-29

Family

ID=34778490

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20055354A FI20055354A0 (fi) 2005-06-29 2005-06-29 Datankäsittelymenetelmä, lähetin, laite, verkkoelementti ja tukiasema

Country Status (5)

Country Link
US (1) US7796959B2 (fi)
CN (1) CN101233683B (fi)
FI (1) FI20055354A0 (fi)
TW (1) TW200709626A (fi)
WO (1) WO2007000496A1 (fi)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080130785A1 (en) * 2006-12-04 2008-06-05 Raytheon Company Frequency and temperature dependent pre-distortion
CN100466774C (zh) * 2007-05-18 2009-03-04 华为技术有限公司 一种扇区化基站
US8311086B2 (en) * 2007-10-02 2012-11-13 Acterna Llc CATV digital receiver intermodulation susceptibility tester
US8306150B2 (en) * 2010-06-25 2012-11-06 Texas Instruments Incorporated System and method for estimating a transmit channel response and/or a feedback channel response using frequency shifting
US8401600B1 (en) 2010-08-02 2013-03-19 Hypres, Inc. Superconducting multi-bit digital mixer
US9655069B2 (en) * 2011-09-09 2017-05-16 Vixs Systems, Inc. Dynamic transmitter calibration
US9794006B2 (en) * 2014-05-08 2017-10-17 Telefonaktiebolaget Lm Ericsson (Publ) Envelope tracking RF transmitter calibration

Family Cites Families (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1094548A (zh) * 1993-04-24 1994-11-02 张健 一种减小功率放大器扬声器失真的方法及装置
US5910965A (en) * 1995-06-30 1999-06-08 Harris Corporation Adaptive predistortion using over-the-hop feedback
FI105506B (fi) * 1998-04-30 2000-08-31 Nokia Networks Oy Vahvistimen linearisointimenetelmä ja vahvistinjärjestely
US6587514B1 (en) * 1999-07-13 2003-07-01 Pmc-Sierra, Inc. Digital predistortion methods for wideband amplifiers
US6246286B1 (en) * 1999-10-26 2001-06-12 Telefonaktiebolaget Lm Ericsson Adaptive linearization of power amplifiers
JP4014343B2 (ja) * 1999-12-28 2007-11-28 富士通株式会社 歪補償装置
US6606483B1 (en) * 2000-10-10 2003-08-12 Motorola, Inc. Dual open and closed loop linear transmitter
GB0107553D0 (en) * 2001-03-27 2001-05-16 Pace Micro Tech Plc Auto-adaptive pre-distortion scheme employing parametric modelling
US6593812B2 (en) * 2001-04-23 2003-07-15 Telefonaktiebolaget Lm Ericsson Automatic optimization of linearity for envelope feedback RF amplifier linearization
CN1166053C (zh) * 2001-05-08 2004-09-08 华为技术有限公司 自适应射频数字预失真线性化方法及其电路
US7561852B2 (en) * 2001-11-14 2009-07-14 Broadcom Corporation Integrated multimode radio and components thereof
US7313199B2 (en) * 2002-03-21 2007-12-25 Hypres, Inc. Power amplifier linearization
JP4015455B2 (ja) * 2002-03-29 2007-11-28 富士通株式会社 歪補償装置
US6784731B2 (en) * 2002-05-08 2004-08-31 Lucent Technologies Inc. System and method for reducing amplifier distortion using distortion feedback
US7113551B2 (en) * 2002-07-25 2006-09-26 Intersil Corporation Transmitter with limited spectral regrowth and method therefor
US7333557B2 (en) * 2002-12-16 2008-02-19 Nortel Networks Limited Adaptive controller for linearization of transmitter with impairments
US20040198269A1 (en) * 2002-12-30 2004-10-07 Richard Phillips Linearization of amplified feedback distortion
WO2004098045A1 (en) * 2003-04-30 2004-11-11 Telefonaktiebolaget Lm Ericsson (Publ) Method and device for power amplifier with high accuracy of an output signal
JP2005117436A (ja) * 2003-10-09 2005-04-28 Hitachi Kokusai Electric Inc 送信機
JP4323968B2 (ja) * 2004-01-14 2009-09-02 株式会社日立コミュニケーションテクノロジー 無線通信装置のタイミング調整方法
US7469491B2 (en) * 2004-01-27 2008-12-30 Crestcom, Inc. Transmitter predistortion circuit and method therefor
KR101050659B1 (ko) * 2004-05-11 2011-07-19 삼성전자주식회사 이동통신 시스템의 전송신호와 궤환신호 간의 샘플 지연 추정 방법 및 장치와 이를 이용한 기지국 송신기
JP4574471B2 (ja) * 2004-09-17 2010-11-04 株式会社日立国際電気 歪補償直交変調器及び無線送信機
US20080139141A1 (en) * 2006-12-06 2008-06-12 George Varghese Method and system for estimating and compensating non-linear distortion in a transmitter using data signal feedback
US8175553B2 (en) * 2007-01-17 2012-05-08 Motorola Solutions, Inc. Wireless communication unit, linearised transmitter circuit and method of linearising therein
FI20085158A0 (fi) * 2008-02-21 2008-02-21 Nokia Corp Laite ja menetelmä

Also Published As

Publication number Publication date
CN101233683B (zh) 2011-04-13
WO2007000496A1 (en) 2007-01-04
TW200709626A (en) 2007-03-01
US7796959B2 (en) 2010-09-14
US20070015474A1 (en) 2007-01-18
CN101233683A (zh) 2008-07-30

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