ATE315866T1 - Kommunikationssystem mit vorverzerrung - Google Patents

Kommunikationssystem mit vorverzerrung

Info

Publication number
ATE315866T1
ATE315866T1 AT01907495T AT01907495T ATE315866T1 AT E315866 T1 ATE315866 T1 AT E315866T1 AT 01907495 T AT01907495 T AT 01907495T AT 01907495 T AT01907495 T AT 01907495T AT E315866 T1 ATE315866 T1 AT E315866T1
Authority
AT
Austria
Prior art keywords
errors
control signal
constellation
predistortion
communication system
Prior art date
Application number
AT01907495T
Other languages
English (en)
Inventor
Sueng-Il Nam
Original Assignee
Koninkl Philips Electronics Nv
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 Koninkl Philips Electronics Nv filed Critical Koninkl Philips Electronics Nv
Application granted granted Critical
Publication of ATE315866T1 publication Critical patent/ATE315866T1/de

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
    • H04B1/62—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 for providing a predistortion of the signal in the transmitter and corresponding correction in the receiver, e.g. for improving the signal/noise ratio
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
    • H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
    • H04L27/36—Modulator circuits; Transmitter circuits
    • H04L27/366—Arrangements for compensating undesirable properties of the transmission path between the modulator and the demodulator
    • H04L27/367—Arrangements for compensating undesirable properties of the transmission path between the modulator and the demodulator using predistortion
    • H04L27/368—Arrangements for compensating undesirable properties of the transmission path between the modulator and the demodulator using predistortion adaptive predistortion

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Financial Or Insurance-Related Operations Such As Payment And Settlement (AREA)
  • Near-Field Transmission Systems (AREA)
  • Communication Control (AREA)
  • Noise Elimination (AREA)
  • Transmitters (AREA)
  • Selective Calling Equipment (AREA)
  • Radar Systems Or Details Thereof (AREA)
AT01907495T 2000-02-23 2001-02-06 Kommunikationssystem mit vorverzerrung ATE315866T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB0004125.1A GB0004125D0 (en) 2000-02-23 2000-02-23 Communications system

Publications (1)

Publication Number Publication Date
ATE315866T1 true ATE315866T1 (de) 2006-02-15

Family

ID=9886152

Family Applications (1)

Application Number Title Priority Date Filing Date
AT01907495T ATE315866T1 (de) 2000-02-23 2001-02-06 Kommunikationssystem mit vorverzerrung

Country Status (9)

Country Link
US (1) US20010016014A1 (de)
EP (1) EP1175762B1 (de)
JP (1) JP2003524339A (de)
KR (1) KR20020001834A (de)
CN (1) CN1363168A (de)
AT (1) ATE315866T1 (de)
DE (1) DE60116601T2 (de)
GB (1) GB0004125D0 (de)
WO (1) WO2001063872A1 (de)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2376611A (en) * 2001-06-14 2002-12-18 Tandberg Television Asa Method of adjusting received constellation points
US6907093B2 (en) * 2001-08-08 2005-06-14 Viasat, Inc. Method and apparatus for relayed communication using band-pass signals for self-interference cancellation
US7177366B1 (en) * 2001-09-06 2007-02-13 The Board Of Trustees Of The Leland Stanford Junior University Automatic phase alignment for high-bandwidth cartesian-feedback power amplifiers
KR20030024241A (ko) * 2001-09-17 2003-03-26 엘지전자 주식회사 블루투스 송신회로
US6882781B2 (en) * 2001-11-16 2005-04-19 Hrl Laboratories, Llc Coherent power combining of single-mode sources in waveguide fiber couplers
KR100429980B1 (ko) * 2001-12-24 2004-05-03 엘지전자 주식회사 Ａｑｍ 에러보상장치 및 방법
DE60215608T2 (de) * 2002-01-11 2007-08-30 Mitsubishi Electric Information Technology Centre Europe B.V. Vorverzerrungsverfahren für einen Mehrträger-CDMA-Aufwärtskanal
EP1328071B1 (de) * 2002-01-11 2006-07-19 Mitsubishi Electric Information Technology Centre Europe B.V. Mehrträger-CDMA in Aufwärtsrichtung mit Vorverzerrung der einzelnen Träger
US7054391B2 (en) * 2003-05-30 2006-05-30 Efficient Channel Coding, Inc. Receiver based saturation estimator
US7020121B2 (en) * 2003-11-17 2006-03-28 Sony Corporation Method and system for wireless digital multimedia transmission
KR100643605B1 (ko) * 2004-08-16 2006-11-10 삼성전자주식회사 적응형 프리 엠퍼시스 장치, 데이터 통신용 송신기,데이터 통신용 송수신 장치 및 적응형 프리 엠퍼시스 방법
CN100359836C (zh) * 2004-10-29 2008-01-02 中兴通讯股份有限公司 坐标间交织正交发射分集最小二乘软译码方法及实现装置
CN100589462C (zh) * 2005-12-20 2010-02-10 中兴通讯股份有限公司 宽带码分多址基站系统多通道多载波数字预失真发信机
US20070177663A1 (en) * 2006-01-31 2007-08-02 Ibm Corporation Data-dependent jitter pre-emphasis for high-speed serial link transmitters
CN101369898B (zh) * 2008-09-12 2011-04-20 中国电子科技集团公司第五十四研究所 流星余迹自适应变速率突发调制解调器
CN103491040B (zh) * 2013-09-30 2016-06-01 福州大学 一种数字基带自适应预失真系统和方法
CN111835297A (zh) * 2020-07-16 2020-10-27 中国联合网络通信集团有限公司 数字预失真校正方法、装置及存储介质

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2644638B1 (de) * 1989-03-14 1991-05-31 Labo Electronique Physique
AU738870B2 (en) * 1996-12-24 2001-09-27 General Dynamics Government Systems Corporation Adaptive predistortion system
US6614854B1 (en) * 1999-05-28 2003-09-02 Carriercomm, Inc. System and method for adaptive predistortion

Also Published As

Publication number Publication date
WO2001063872A1 (en) 2001-08-30
CN1363168A (zh) 2002-08-07
JP2003524339A (ja) 2003-08-12
EP1175762A1 (de) 2002-01-30
KR20020001834A (ko) 2002-01-09
DE60116601D1 (de) 2006-04-06
US20010016014A1 (en) 2001-08-23
GB0004125D0 (en) 2000-04-12
EP1175762B1 (de) 2006-01-11
DE60116601T2 (de) 2006-08-24

Similar Documents

Publication Publication Date Title
ATE315866T1 (de) Kommunikationssystem mit vorverzerrung
EP0360178B1 (de) Senderschaltung zur wirksamen Übertragung beim Nachrichtenverkehr unter Verwendung phasenmodulierter Trägersignalen
US6859643B1 (en) Power amplifier sharing in a wireless communication system with amplifier pre-distortion
US7085500B2 (en) Programmable optical vector modulator and method for use in coherent optical communications
WO2001082499A3 (en) Coupled interference cancellation system for wideband repeaters in a cellular system
KR100694788B1 (ko) 무선 통신 신호가 생성된 송신기의 진폭 및 위상 특성을기지국의 전송 전력 제어 신호 및 송신기의 알려진 증폭기특성에 응답하여 조정하는 방법 및 시스템
EP0849897A3 (de) Adaptive Vorverzerrungsschaltung für optische externe Modulation
CA2055936A1 (en) Predistortion technique for communications systems
GB2359207A (en) Linear RF power amplifier and transmitter
KR960020130A (ko) 송수신 장치
AU2002340580A1 (en) Constellation rearrangement for transmit diversity schemes
CA2155267A1 (en) Pre-compensated frequency modulation (pfm)
AU5771801A (en) Power amplifier sharing in a wireless communication system with transmit diversity
EP0866567A3 (de) Sende-Empfangs-Einheit mit Zweirichtungsentzerrung
WO2004012343A3 (en) Radio transceiver architectures and methods
CN101803182B (zh) 具有极性反馈的线性rf放大器
CA2116255A1 (en) Predistortion Technique for Communications Systems
US6865396B2 (en) System and method of power control using a modulated signal
NO179657C (no) Radiotestslöyfe for en radiosender/mottaker
KR100749804B1 (ko) 카테시안 피드백 루프를 이용한 초협대역 송신 시스템의이득 제어 장치
US20110065381A1 (en) Method of transmitting higher power from a satellite by more efficiently using the existing satellite power amplifiers
Fernando et al. Look-up table based adaptive predistortion for dynamic range enhancement in a radio over fiber link
WO2005048462A3 (en) System and method for an improved quadrature upconverter for i/q modulation using intermediate frequency carriers
EP1249086B1 (de) Vorverzerrer mit nicht-magnetischen komponenten für eine nicht-lineare vorrichtung
JPH0865352A (ja) ディジタル変調器

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties