WO2009046627A8 - 对射频链路中的信号进行矫正的方法及预矫正器 - Google Patents

对射频链路中的信号进行矫正的方法及预矫正器 Download PDF

Info

Publication number
WO2009046627A8
WO2009046627A8 PCT/CN2008/001669 CN2008001669W WO2009046627A8 WO 2009046627 A8 WO2009046627 A8 WO 2009046627A8 CN 2008001669 W CN2008001669 W CN 2008001669W WO 2009046627 A8 WO2009046627 A8 WO 2009046627A8
Authority
WO
WIPO (PCT)
Prior art keywords
radio frequency
distortion
signals
correcting
frequency link
Prior art date
Application number
PCT/CN2008/001669
Other languages
English (en)
French (fr)
Other versions
WO2009046627A1 (en
Inventor
颜罡
张孝林
智建军
Original Assignee
联想(北京)有限公司
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 联想(北京)有限公司 filed Critical 联想(北京)有限公司
Priority to US12/679,723 priority Critical patent/US8451925B2/en
Publication of WO2009046627A1 publication Critical patent/WO2009046627A1/zh
Publication of WO2009046627A8 publication Critical patent/WO2009046627A8/zh

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L25/03343—Arrangements at the transmitter end
    • 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
    • H03F1/3252—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
    • H03F1/3282—Acting on the phase and the amplitude of the input signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2626—Arrangements specific to the transmitter only
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L2025/0335—Arrangements for removing intersymbol interference characterised by the type of transmission
    • H04L2025/03375—Passband transmission
    • H04L2025/03414—Multicarrier
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L2025/0335—Arrangements for removing intersymbol interference characterised by the type of transmission
    • H04L2025/03375—Passband transmission
    • H04L2025/0342—QAM
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L2025/0335—Arrangements for removing intersymbol interference characterised by the type of transmission
    • H04L2025/03426—Arrangements for removing intersymbol interference characterised by the type of transmission transmission using multiple-input and multiple-output channels

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Transmitters (AREA)
  • Amplifiers (AREA)
PCT/CN2008/001669 2007-09-27 2008-09-27 A method for correcting signals in radio frequency links and the pre-distortion unit thereof WO2009046627A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US12/679,723 US8451925B2 (en) 2007-09-27 2008-09-27 Method and pre-corrector for correcting signals in radio frequency links

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN2007101752265A CN101399637B (zh) 2007-09-27 2007-09-27 一种对射频链路中的信号进行矫正的方法及预矫正器
CN200710175226.5 2007-09-27

Publications (2)

Publication Number Publication Date
WO2009046627A1 WO2009046627A1 (en) 2009-04-16
WO2009046627A8 true WO2009046627A8 (zh) 2010-04-22

Family

ID=40517921

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2008/001669 WO2009046627A1 (en) 2007-09-27 2008-09-27 A method for correcting signals in radio frequency links and the pre-distortion unit thereof

Country Status (3)

Country Link
US (1) US8451925B2 (zh)
CN (1) CN101399637B (zh)
WO (1) WO2009046627A1 (zh)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4793599B2 (ja) * 2008-11-18 2011-10-12 日本電気株式会社 Ｏｆｄｍａ方式の無線通信装置、該無線通信装置による非線形歪み補償のための学習信号生成方法
CA2704522C (en) * 2009-05-14 2017-02-14 Seyed Aidin Bassam Multi-cell processing architectures for modeling and impairment compensation in multi-input multi-output systems
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
US8730786B2 (en) * 2009-12-21 2014-05-20 Dali Systems Co. Ltd. Remote radio head unit system with wideband power amplifier and method
US8428525B2 (en) 2011-06-08 2013-04-23 Telefonaktiebolaget L M Ericsson (Publ) Predistorter for a multi-antenna transmitter
CN103916088B (zh) * 2013-01-08 2017-05-03 深圳清华大学研究院 一种射频信号的数字矫正装置及其矫正方法
WO2015042984A1 (zh) * 2013-09-30 2015-04-02 华为技术有限公司 信号发送方法、装置和发射机
CN105516109B (zh) * 2015-11-30 2018-08-07 长安大学 一种保证无线多跳网络视频传输服务质量的传输调度方法
US11165471B2 (en) * 2020-01-30 2021-11-02 Semiconductor Components Industries, Llc Over the air coupling for digital pre-distortion calibration

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN1127195C (zh) 2000-07-26 2003-11-05 马鞍山市华宝电气公司 跟踪式电力有源滤波器
US7403573B2 (en) 2003-01-15 2008-07-22 Andrew Corporation Uncorrelated adaptive predistorter
US7035601B2 (en) * 2003-02-27 2006-04-25 Nokia Corporation Data transmission method, base station and transmitter for compensating for non-linearities in a transmission chain
US7203490B2 (en) * 2003-03-24 2007-04-10 Atc Technologies, Llc Satellite assisted push-to-send radioterminal systems and methods
US7023273B2 (en) * 2003-10-06 2006-04-04 Andrew Corporation Architecture and implementation methods of digital predistortion circuitry
KR101023366B1 (ko) * 2004-10-27 2011-03-18 삼성전자주식회사 빔 포밍 방식을 사용하는 다중 입력 다중 출력 무선 통신시스템에서 신호 송수신 장치 및 방법
US7769103B2 (en) * 2005-09-15 2010-08-03 Powerwave Technologies, Inc. Amplifier system employing analog polynomial predistortion with sub-nyquist digital adaptation
CN1964218A (zh) * 2005-11-09 2007-05-16 华为技术有限公司 一种无线信号的多天线发送系统、方法及无线通信系统
US7769100B2 (en) * 2005-12-10 2010-08-03 Electronics And Telecommunications Research Institute Method and apparatus for cancellation of cross-talk signals using multi-dimensional coordination and vectored transmission

Also Published As

Publication number Publication date
US8451925B2 (en) 2013-05-28
CN101399637B (zh) 2012-01-25
CN101399637A (zh) 2009-04-01
US20100202563A1 (en) 2010-08-12
WO2009046627A1 (en) 2009-04-16

Similar Documents

Publication Publication Date Title
WO2009046627A8 (zh) 对射频链路中的信号进行矫正的方法及预矫正器
EP2947833B1 (en) Digital predistortion processing method and system
US10091037B2 (en) DPD system
WO2018145062A3 (en) Multi-site mimo communications system with hybrid beamforming in l1-split architecture
PH12014000270A1 (en) Methods and apparatus to compensate first principle-based simulation models
US20110299456A1 (en) Active antenna array and method for relaying radio signals
WO2010066853A3 (en) Multiport amplifier adjustment
MX2010005679A (es) Metodo y aparato para extension de ancho de banda de señal de audio.
TW200737692A (en) Amplifier circuit
EP2017816A3 (en) Apparatus for and method of displaying video signals
WO2006097735A3 (en) Parallel data processing apparatus and method in a multicarrier communication system
WO2008108195A1 (ja) ドライバ回路
US8094748B2 (en) Transceiver architecture with combined smart antenna calibration and digital predistortion
US9853664B2 (en) Radio frequency power amplification system, radio frequency power amplification method, transmitter, and base station
RU2012134622A (ru) Усилительное устройство и устройство обработки сигналов
WO2017082749A8 (en) Predistortion device
WO2011113025A3 (en) Adjustable sampling rate converter
WO2008114346A1 (ja) 歪補償装置及びその遅延時間推定方法
WO2008117400A1 (ja) 無線送信装置
WO2015154574A1 (zh) 功放处理方法及装置
DE60313036D1 (de) Signaljustierung basierend auf phasenfehler
EP4164306A3 (en) Time calibration method and related apparatus
US20170063406A1 (en) Radio communication device and burst distortion correcting method
TW201130266A (en) Frame concatenation in wireless UWB devices
WO2010096770A3 (en) Noise suppression techniques in high precision long-term frequency/timing measurements

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 08800660

Country of ref document: EP

Kind code of ref document: A1

WWE Wipo information: entry into national phase

Ref document number: 12679723

Country of ref document: US

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 08800660

Country of ref document: EP

Kind code of ref document: A1