TW200420059A - Quadrature mismatch compensation - Google Patents

Quadrature mismatch compensation

Info

Publication number
TW200420059A
TW200420059A TW092129288A TW92129288A TW200420059A TW 200420059 A TW200420059 A TW 200420059A TW 092129288 A TW092129288 A TW 092129288A TW 92129288 A TW92129288 A TW 92129288A TW 200420059 A TW200420059 A TW 200420059A
Authority
TW
Taiwan
Prior art keywords
distortion
analog
post
channel
errors
Prior art date
Application number
TW092129288A
Other languages
English (en)
Inventor
yi-feng Zhang
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
Publication of TW200420059A publication Critical patent/TW200420059A/zh

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
    • 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)
TW092129288A 2002-10-25 2003-10-22 Quadrature mismatch compensation TW200420059A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/280,853 US6670900B1 (en) 2002-10-25 2002-10-25 Quadrature mismatch compensation

Publications (1)

Publication Number Publication Date
TW200420059A true TW200420059A (en) 2004-10-01

Family

ID=29735701

Family Applications (1)

Application Number Title Priority Date Filing Date
TW092129288A TW200420059A (en) 2002-10-25 2003-10-22 Quadrature mismatch compensation

Country Status (7)

Country Link
US (1) US6670900B1 (zh)
EP (1) EP1559255A1 (zh)
JP (1) JP2006504314A (zh)
CN (1) CN101099364A (zh)
AU (1) AU2003264787A1 (zh)
TW (1) TW200420059A (zh)
WO (1) WO2004039028A2 (zh)

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KR100468359B1 (ko) * 2002-10-31 2005-01-27 인티그런트 테크놀로지즈(주) 국부 발진 신호 경로를 통한 동 위상 및 직교 위상 신호간 부정합 보정 회로를 이용한 국부 발진기 및 이를이용한 수신 장치
US7187916B2 (en) * 2003-02-07 2007-03-06 Broadcom Corporation Method and system for measuring receiver mixer IQ mismatch
TW200501611A (en) * 2003-03-12 2005-01-01 Koninkl Philips Electronics Nv Transceiver with mismatch compensation scheme
DE102004005130B3 (de) * 2004-02-02 2005-04-14 Infineon Technologies Ag Sende-/Empfangsanordnung und Verfahren zur Reduktion von Nichtlinearitäten in Ausgangssignalen einer Sende-/Empfangsanordnung
US7333423B2 (en) * 2004-03-31 2008-02-19 Intel Corporation Transceiver with calibrated I and Q paths and methods for deconvolved calibration
US7280805B2 (en) * 2004-07-09 2007-10-09 Silicon Storage Technology, Inc. LO leakage and sideband image calibration system and method
US7197087B2 (en) * 2004-07-09 2007-03-27 Powerwave Technologies, Inc. System and method for differential IQ delay compensation in a communications system utilizing adaptive AQM compensation
US8144806B2 (en) * 2004-09-27 2012-03-27 Marvell International Ltd. Device, system and method of I/Q mismatch correction
CN100367665C (zh) * 2004-12-10 2008-02-06 清华大学 锁相环路形式的正交信号相位校准器
WO2007063855A1 (ja) * 2005-11-29 2007-06-07 Matsushita Electric Industrial Co., Ltd. マルチキャリア送信装置、マルチキャリア受信装置、送信方法及び受信方法
EP2002632B1 (en) * 2006-03-28 2015-10-21 Nxp B.V. Delay Mismatch Compensation Using a Low Complexity Structure in Signal Transmitters with Digital and Analog Components
TWI309940B (en) * 2006-06-05 2009-05-11 Realtek Semiconductor Corp Method and device for compensating iq imbalance
US7729451B2 (en) * 2006-09-26 2010-06-01 Agere Systems Inc. Calibration source for a receiver
ATE438248T1 (de) * 2007-03-28 2009-08-15 Imec Inter Uni Micro Electr Verfahren zur kalibrierung nicht idealer sende- /empfangsanordnungen
US7860470B2 (en) * 2007-07-20 2010-12-28 Silicon Storage Technology, Inc. Cross coupled high frequency buffer
JP5254348B2 (ja) * 2007-10-31 2013-08-07 アイメック 相補ゴーレイシーケンス対を用いて送受信器非理想性を決定し補償するための方法
US8594232B2 (en) 2008-06-21 2013-11-26 Vyycore Corporation System for predistortion and post-distortion correction of both a receiver and transmitter during calibration
US8126036B2 (en) * 2008-06-21 2012-02-28 Vyycore Corporation Predistortion and post-distortion correction of both a receiver and transmitter during calibration
US8385457B2 (en) * 2009-09-23 2013-02-26 Intel Corporation Methods and systems to compensate IQ imbalance in wideband zero-if tuners
US8379767B2 (en) * 2009-09-23 2013-02-19 Intel Corporation Methods and systems to compensate IQ imbalance in zero-IF tuners
EP2413524B1 (en) * 2010-07-28 2013-01-16 Telefonaktiebolaget L M Ericsson (PUBL) Method and apparatus for determining signal path properties
US8649464B2 (en) * 2010-08-10 2014-02-11 Sony Corporation Quadrature receiver and method of compensating for I/Q imbalance using a calibration signal
JP5779511B2 (ja) * 2012-01-20 2015-09-16 ルネサスエレクトロニクス株式会社 半導体集積回路装置
US8908575B2 (en) * 2012-04-16 2014-12-09 Qualcomm Incorporated Methods and systems for calibrating a frequency-division duplexing transceiver
EP2888818A1 (en) * 2012-08-21 2015-07-01 Missing Link Electronics Inc. Configurable mixed-signal systems
CN103731391B (zh) * 2013-12-31 2017-11-14 天津朗波微电子有限公司 射频收发机中发射机的正交失配校正方法及校正电路
CN103841066B (zh) * 2014-03-10 2017-02-22 南京软仪测试技术有限公司 一种接收通道宽带补偿校准方法
US10097396B2 (en) 2014-08-22 2018-10-09 Texas Instruments Incorporated TX IQ mismatch pre-compensation
JP2017055261A (ja) 2015-09-09 2017-03-16 株式会社東芝 直交復調器及び無線受信機
US10135482B2 (en) * 2016-03-23 2018-11-20 Avago Technologies General Ip (Singapore) Pte. Ltd. Wireless transceiver with remote frontend
US11012273B1 (en) 2019-12-31 2021-05-18 Hughes Network Systems, Llc Compensating for frequency-dependent I-Q phase imbalance

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3358183B2 (ja) * 1993-04-09 2002-12-16 ソニー株式会社 時分割多重送受信装置
FR2707127A1 (fr) 1993-06-29 1995-01-06 Philips Laboratoire Electroniq Système de transmission numérique à prédisposition.
US5511236A (en) * 1993-12-07 1996-04-23 National Semiconductor Corporation Half duplex RF transceiver
KR960038686A (ko) * 1995-04-13 1996-11-21 김광호 단일 주파수에 의한 신호 송수신회로
US5937341A (en) * 1996-09-13 1999-08-10 University Of Washington Simplified high frequency tuner and tuning method
JP2000115115A (ja) * 1998-09-30 2000-04-21 Victor Co Of Japan Ltd 直交マルチキャリア信号の生成方法及び復号方法
US6298035B1 (en) 1999-12-21 2001-10-02 Nokia Networks Oy Estimation of two propagation channels in OFDM
US20030003891A1 (en) * 2001-07-02 2003-01-02 Nokia Corporation Method to improve I/Q-amplitude balance and receiver quadrature channel performance

Also Published As

Publication number Publication date
JP2006504314A (ja) 2006-02-02
EP1559255A1 (en) 2005-08-03
US6670900B1 (en) 2003-12-30
CN101099364A (zh) 2008-01-02
WO2004039028A2 (en) 2004-05-06
AU2003264787A1 (en) 2004-05-13

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