JP2003347945A - ベースバンドから導き出されるプレディストーションを組み込む送信機及び送信方法 - Google Patents

ベースバンドから導き出されるプレディストーションを組み込む送信機及び送信方法

Info

Publication number
JP2003347945A
JP2003347945A JP2003125431A JP2003125431A JP2003347945A JP 2003347945 A JP2003347945 A JP 2003347945A JP 2003125431 A JP2003125431 A JP 2003125431A JP 2003125431 A JP2003125431 A JP 2003125431A JP 2003347945 A JP2003347945 A JP 2003347945A
Authority
JP
Japan
Prior art keywords
signal
digital
predistortion
analog
transmitter
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.)
Pending
Application number
JP2003125431A
Other languages
English (en)
Japanese (ja)
Other versions
JP2003347945A5 (enExample
Inventor
Richard Neil Braithwaite
リチャード・ニール・ブレイズウェイト
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.)
Agilent Technologies Inc
Original Assignee
Agilent Technologies Inc
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 Agilent Technologies Inc filed Critical Agilent Technologies Inc
Publication of JP2003347945A publication Critical patent/JP2003347945A/ja
Publication of JP2003347945A5 publication Critical patent/JP2003347945A5/ja
Pending legal-status Critical Current

Links

Classifications

    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Transmitters (AREA)
  • Amplifiers (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
JP2003125431A 2002-04-29 2003-04-30 ベースバンドから導き出されるプレディストーションを組み込む送信機及び送信方法 Pending JP2003347945A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/135918 2002-04-29
US10/135,918 US7095799B2 (en) 2002-04-29 2002-04-29 Systems and methods for providing baseband-derived predistortion to increase efficiency of transmitters

Publications (2)

Publication Number Publication Date
JP2003347945A true JP2003347945A (ja) 2003-12-05
JP2003347945A5 JP2003347945A5 (enExample) 2006-06-29

Family

ID=29215661

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2003125431A Pending JP2003347945A (ja) 2002-04-29 2003-04-30 ベースバンドから導き出されるプレディストーションを組み込む送信機及び送信方法

Country Status (3)

Country Link
US (1) US7095799B2 (enExample)
EP (1) EP1359719A3 (enExample)
JP (1) JP2003347945A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100720743B1 (ko) 2006-11-22 2007-05-23 주식회사 프리웍스 디지털 전치 왜곡을 이용한 디지털 광중계 시스템 및 그방법

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US9137035B2 (en) 2002-05-09 2015-09-15 Netstreams Llc Legacy converter and controller for an audio video distribution system
DE102004019366B4 (de) * 2004-04-21 2006-05-04 Infineon Technologies Ag Schaltungsanordnung für einen breitbandigen Mischer mit Vorverzerrung und hoher Linearität und Verfahren zum breitbandigen Mischen
WO2006091132A1 (en) * 2005-02-24 2006-08-31 Telefonaktiebolaget Lm Ericsson (Publ) Iq-modulator pre-distortion
US9217653B2 (en) * 2007-09-13 2015-12-22 Rosemount Inc. High performance architecture for process transmitters
US8391352B2 (en) * 2008-05-13 2013-03-05 Integre Technologies, Inc. Low-cost ATSC-receiver-compatible digital TV modulator
JP2010213243A (ja) * 2009-03-12 2010-09-24 Ntt Docomo Inc 無線通信システムの無線局で使用される制御装置及び制御方法
US8351543B2 (en) * 2009-12-21 2013-01-08 Ubidyne, Inc. Active antenna array with modulator-based pre-distortion
US8570920B2 (en) * 2010-09-30 2013-10-29 Aviat U.S., Inc. Systems and methods for combining signals from multiple active wireless receivers
US8593206B2 (en) 2011-04-12 2013-11-26 Taiwan Semiconductor Manufacturing Company, Ltd. Up-conversion mixer having a reduced third order harmonic
CN103999386A (zh) 2011-11-29 2014-08-20 爱立信(中国)通信有限公司 用于监视性能的方法和装置以及远程无线单元
US8907830B2 (en) * 2013-03-14 2014-12-09 Intel Mobile Communications GmbH Digital-to-analog converter comprising slow converter section and fast converter section
CN107210991B (zh) * 2016-01-19 2020-08-25 华为技术有限公司 误差补偿直接数字调制设备
US11237247B2 (en) 2020-06-05 2022-02-01 Apple Inc. Transceiver system with quantization noise mitigation

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100251561B1 (ko) * 1997-06-19 2000-04-15 윤종용 디지털통신시스템의송신기선형화장치및방법
US6724832B1 (en) * 1999-01-29 2004-04-20 Adc Broadband Wireless Group, Inc. Vestigial sideband generator particularly for digital television
DE69933243T2 (de) 1999-07-28 2007-04-12 Fujitsu Ltd., Kawasaki Funkgerät mit verzerrungskompensation
US6693974B2 (en) * 1999-08-05 2004-02-17 Samsung Electronics Co., Ltd. Adaptive digital pre-distortion circuit using adjacent channel power profile and method of operation
DE10012538C1 (de) * 2000-03-15 2001-09-20 Fraunhofer Ges Forschung Digitaler I/Q-Modulator mit Vorverzerrung
JP2002043862A (ja) * 2000-07-26 2002-02-08 Yrp Kokino Idotai Tsushin Kenkyusho:Kk プリディストーション回路
US6785342B1 (en) * 2000-11-06 2004-08-31 Wideband Semiconductors, Inc. Nonlinear pre-distortion modulator and long loop control
US6940346B2 (en) * 2000-12-04 2005-09-06 Matsushita Electric Industrial Co., Ltd. Feedforward amplifier, communication apparatus, feedforward amplification method, program and medium
US7313199B2 (en) * 2002-03-21 2007-12-25 Hypres, Inc. Power amplifier linearization

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100720743B1 (ko) 2006-11-22 2007-05-23 주식회사 프리웍스 디지털 전치 왜곡을 이용한 디지털 광중계 시스템 및 그방법

Also Published As

Publication number Publication date
US20030202614A1 (en) 2003-10-30
US7095799B2 (en) 2006-08-22
EP1359719A2 (en) 2003-11-05
EP1359719A3 (en) 2005-07-06

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