FI20055355A0 - Datankäsittelymenetelmä, esivääristysjärjestely, lähetin, verkkoelementti ja tukiasema - Google Patents

Datankäsittelymenetelmä, esivääristysjärjestely, lähetin, verkkoelementti ja tukiasema

Info

Publication number
FI20055355A0
FI20055355A0 FI20055355A FI20055355A FI20055355A0 FI 20055355 A0 FI20055355 A0 FI 20055355A0 FI 20055355 A FI20055355 A FI 20055355A FI 20055355 A FI20055355 A FI 20055355A FI 20055355 A0 FI20055355 A0 FI 20055355A0
Authority
FI
Finland
Prior art keywords
transmitter
base station
data processing
network element
distortion arrangement
Prior art date
Application number
FI20055355A
Other languages
English (en)
Swedish (sv)
Inventor
Kauko Heinikoski
Samu Saarinen
Pekka Kukkonen
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 FI20055355A priority Critical patent/FI20055355A0/fi
Publication of FI20055355A0 publication Critical patent/FI20055355A0/fi
Priority to CNA2006800236728A priority patent/CN101238638A/zh
Priority to PCT/FI2006/050293 priority patent/WO2007000495A1/en
Priority to TW095123310A priority patent/TWI389500B/zh
Priority to US11/476,761 priority patent/US20070030065A1/en

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
    • 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
FI20055355A 2005-06-29 2005-06-29 Datankäsittelymenetelmä, esivääristysjärjestely, lähetin, verkkoelementti ja tukiasema FI20055355A0 (fi)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FI20055355A FI20055355A0 (fi) 2005-06-29 2005-06-29 Datankäsittelymenetelmä, esivääristysjärjestely, lähetin, verkkoelementti ja tukiasema
CNA2006800236728A CN101238638A (zh) 2005-06-29 2006-06-28 数据处理方法、预失真设备、发射机、网络单元和基站
PCT/FI2006/050293 WO2007000495A1 (en) 2005-06-29 2006-06-28 Data processing method, pre-distortion arrangement, transmitter, network element and base station
TW095123310A TWI389500B (zh) 2005-06-29 2006-06-28 資料處理方法、預失真配置、發射器、網路元件及基地台
US11/476,761 US20070030065A1 (en) 2005-06-29 2006-06-29 Data processing method, pre-distortion arrangement, transmitter, network element and base station

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI20055355A FI20055355A0 (fi) 2005-06-29 2005-06-29 Datankäsittelymenetelmä, esivääristysjärjestely, lähetin, verkkoelementti ja tukiasema

Publications (1)

Publication Number Publication Date
FI20055355A0 true FI20055355A0 (fi) 2005-06-29

Family

ID=34778491

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20055355A FI20055355A0 (fi) 2005-06-29 2005-06-29 Datankäsittelymenetelmä, esivääristysjärjestely, lähetin, verkkoelementti ja tukiasema

Country Status (5)

Country Link
US (1) US20070030065A1 (fi)
CN (1) CN101238638A (fi)
FI (1) FI20055355A0 (fi)
TW (1) TWI389500B (fi)
WO (1) WO2007000495A1 (fi)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101883387A (zh) * 2009-05-04 2010-11-10 大唐移动通信设备有限公司 一种无线通信方法及装置
CN102685052B (zh) * 2011-03-18 2015-02-04 富士通株式会社 预失真的控制装置、方法及发射机
EP2779555B1 (en) 2011-11-28 2016-04-13 Huawei Technologies Co., Ltd. Method and apparatus for adjusting predistortion coefficients
CN103428133B (zh) * 2012-05-24 2016-09-07 富士通株式会社 预失真的温度补偿装置、方法、预失真器以及发射机
US8831124B2 (en) 2012-06-20 2014-09-09 MagnaCom Ltd. Multi-mode orthogonal frequency division multiplexing transmitter for highly-spectrally-efficient communications
US8897387B1 (en) 2012-06-20 2014-11-25 MagnaCom Ltd. Optimization of partial response pulse shape filter
US20150049843A1 (en) * 2013-08-15 2015-02-19 MagnaCom Ltd. Combined Transmission Precompensation and Receiver Nonlinearity Mitigation
US9118519B2 (en) 2013-11-01 2015-08-25 MagnaCom Ltd. Reception of inter-symbol-correlated signals using symbol-by-symbol soft-output demodulator
US9130637B2 (en) 2014-01-21 2015-09-08 MagnaCom Ltd. Communication methods and systems for nonlinear multi-user environments
US9496900B2 (en) 2014-05-06 2016-11-15 MagnaCom Ltd. Signal acquisition in a multimode environment
US8891701B1 (en) 2014-06-06 2014-11-18 MagnaCom Ltd. Nonlinearity compensation for reception of OFDM signals
US9246523B1 (en) 2014-08-27 2016-01-26 MagnaCom Ltd. Transmitter signal shaping
US9191247B1 (en) 2014-12-09 2015-11-17 MagnaCom Ltd. High-performance sequence estimation system and method of operation
TWI554060B (zh) * 2015-03-13 2016-10-11 瑞昱半導體股份有限公司 傳送器以及用來降低輸入訊號失真的方法
US10236924B2 (en) * 2016-03-31 2019-03-19 Corning Optical Communications Wireless Ltd Reducing out-of-channel noise in a wireless distribution system (WDS)
US11474137B2 (en) * 2020-09-18 2022-10-18 Rohde & Schwarz Gmbh & Co. Kg Test system

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0598585B1 (en) * 1992-11-16 1999-03-31 Linear Modulation Technology Ltd Automatic calibration of the quadrature balance within a cartesian amplifier
US5892397A (en) * 1996-03-29 1999-04-06 Spectrian Adaptive compensation of RF amplifier distortion by injecting predistortion signal derived from respectively different functions of input signal amplitude
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
US6751447B1 (en) * 1999-12-30 2004-06-15 Samsung Electronics Cop., Ltd. Adaptive digital pre-distortion circuit using output reference signal and method of operation
CN1166138C (zh) * 2000-07-20 2004-09-08 华为技术有限公司 一种宽带发射机的自适应数字预失真方法和装置
US6606483B1 (en) * 2000-10-10 2003-08-12 Motorola, Inc. Dual open and closed loop linear transmitter
US6593812B2 (en) * 2001-04-23 2003-07-15 Telefonaktiebolaget Lm Ericsson Automatic optimization of linearity for envelope feedback RF amplifier linearization
ATE397803T1 (de) * 2001-06-14 2008-06-15 Alcatel Lucent Verfahren und vorrichtung zur vorverzerrung eines sendesignals
GB2379109B (en) * 2001-08-21 2005-07-13 Ubinetics Ltd Linearised radio transmitter
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
WO2004049558A1 (en) * 2002-11-22 2004-06-10 Telefonaktiebolaget Lm Ericsson (Publ) Real-time digital phase and gain adaptation method using feedback and arrangement using such a method
EP1618650B1 (en) * 2003-04-30 2006-09-06 Telefonaktiebolaget LM Ericsson (publ) Method and device for power amplifier with high accuracy of an output signal
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

Also Published As

Publication number Publication date
TWI389500B (zh) 2013-03-11
WO2007000495A1 (en) 2007-01-04
CN101238638A (zh) 2008-08-06
TW200711367A (en) 2007-03-16
US20070030065A1 (en) 2007-02-08

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