ATE458301T1 - Quadraturmodulator und kalibrierungsverfahren dafür - Google Patents

Quadraturmodulator und kalibrierungsverfahren dafür

Info

Publication number
ATE458301T1
ATE458301T1 AT04728374T AT04728374T ATE458301T1 AT E458301 T1 ATE458301 T1 AT E458301T1 AT 04728374 T AT04728374 T AT 04728374T AT 04728374 T AT04728374 T AT 04728374T AT E458301 T1 ATE458301 T1 AT E458301T1
Authority
AT
Austria
Prior art keywords
modulator
phase
test tone
tone signal
branch input
Prior art date
Application number
AT04728374T
Other languages
English (en)
Inventor
Ali Parsa
Ali Fotowat-Ahmady
Ali Faghfuri
Mahta Jenabi
Emmanuel Riou
Steffen Hahn
Original Assignee
Nxp Bv
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 Nxp Bv filed Critical Nxp Bv
Application granted granted Critical
Publication of ATE458301T1 publication Critical patent/ATE458301T1/de

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
    • 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
    • H04L27/362—Modulation using more than one carrier, e.g. with quadrature carriers, separately amplitude modulated
    • H04L27/364—Arrangements for overcoming imperfections in the modulator, e.g. quadrature error or unbalanced I and Q levels
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C3/00—Angle modulation
    • H03C3/38—Angle modulation by converting amplitude modulation to angle modulation
    • H03C3/40—Angle modulation by converting amplitude modulation to angle modulation using two signal paths the outputs of which have a predetermined phase difference and at least one output being amplitude-modulated
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C3/00—Angle modulation
    • H03C3/38—Angle modulation by converting amplitude modulation to angle modulation
    • H03C3/40—Angle modulation by converting amplitude modulation to angle modulation using two signal paths the outputs of which have a predetermined phase difference and at least one output being amplitude-modulated
    • H03C3/406—Angle modulation by converting amplitude modulation to angle modulation using two signal paths the outputs of which have a predetermined phase difference and at least one output being amplitude-modulated using a feedback loop containing mixers or demodulators

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Amplitude Modulation (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Liquid Crystal (AREA)
AT04728374T 2003-04-24 2004-04-20 Quadraturmodulator und kalibrierungsverfahren dafür ATE458301T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US46512703P 2003-04-24 2003-04-24
PCT/IB2004/001191 WO2004095686A2 (en) 2003-04-24 2004-04-20 Quadrature modulator and calibration method

Publications (1)

Publication Number Publication Date
ATE458301T1 true ATE458301T1 (de) 2010-03-15

Family

ID=33310994

Family Applications (1)

Application Number Title Priority Date Filing Date
AT04728374T ATE458301T1 (de) 2003-04-24 2004-04-20 Quadraturmodulator und kalibrierungsverfahren dafür

Country Status (8)

Country Link
US (2) US7548591B2 (de)
EP (1) EP1620940B1 (de)
JP (1) JP4555898B2 (de)
KR (1) KR101023382B1 (de)
CN (2) CN100472941C (de)
AT (1) ATE458301T1 (de)
DE (1) DE602004025561D1 (de)
WO (1) WO2004095686A2 (de)

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JP4063824B2 (ja) * 2005-01-12 2008-03-19 埼玉日本電気株式会社 無線通信装置
US8032095B1 (en) 2005-03-03 2011-10-04 Marvell International Ltd. Method and apparatus for detecting carrier leakage in a wireless or similar system
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JP2007104007A (ja) * 2005-09-30 2007-04-19 Toshiba Corp 直交変調器及び直交変調器におけるベクトル補正方法
US20070109955A1 (en) * 2005-11-11 2007-05-17 Broadcom Corporation, A California Corporation Power control in MIMO transceiver
DE102006027557B4 (de) * 2006-06-14 2010-07-15 Atmel Automotive Gmbh System zur Kalibrierung mindestens eines Quadraturmodulators und Betriebsverfahren hierfür
US7760817B2 (en) * 2006-08-10 2010-07-20 Mediatek Inc. Communication system for utilizing single tone testing signal having specific frequency or combinations of DC value and single tone testing signal to calibrate impairments in transmitting signal
KR101261527B1 (ko) * 2006-10-27 2013-05-06 삼성전자주식회사 직접 변환 구조의 ｒｆ 쿼드러쳐 송수신기에서 부정합을보상하는 방법 및 장치
KR101334923B1 (ko) * 2007-03-09 2013-11-29 삼성전자주식회사 통신시스템에서 직교 변조를 위한 장치 및 방법
US7941106B2 (en) * 2007-05-10 2011-05-10 Skyworks Solutions, Inc. Systems and methods for controlling local oscillator feed-through
US8045660B1 (en) 2007-05-23 2011-10-25 Hypres, Inc. Wideband digital spectrometer
KR100961260B1 (ko) 2007-12-04 2010-06-03 한국전자통신연구원 직교 변조 시스템에서 반송파 누설 보상 장치 및 그 방법
US7925228B2 (en) * 2008-02-29 2011-04-12 Stmicroelectronics, S.R.L. Method and system for calibrating quadrature modulators
US7953379B2 (en) * 2008-02-29 2011-05-31 Stmicroelectronics, S.R.L. Method and system for calibrating quadrature modulators
TWI357746B (en) * 2008-04-25 2012-02-01 Univ Nat Taiwan Signal modulation device and signal amplifier
US8175549B2 (en) * 2008-10-17 2012-05-08 Texas Instruments Incorporated Closed loop transmitter IQ calibration
CN101447958B (zh) * 2008-12-30 2011-05-11 清华大学 一种调制器性能的测量方法和装置
JP5287521B2 (ja) * 2009-06-04 2013-09-11 株式会社リコー 通信装置
US9496620B2 (en) * 2013-02-04 2016-11-15 Ubiquiti Networks, Inc. Radio system for long-range high-speed wireless communication
JP2011188436A (ja) * 2010-03-11 2011-09-22 Advantest Corp 測定装置、測定方法およびプログラム
US8415999B2 (en) 2010-07-28 2013-04-09 International Business Machines Corporation High frequency quadrature PLL circuit and method
US20120294343A1 (en) * 2011-05-16 2012-11-22 Phase Matrix, Inc. RF I/Q Modulator with Sampling Calibration System
US8774316B2 (en) 2011-07-13 2014-07-08 Harris Corporation Transmitter including calibration of an in-phase/quadrature (I/Q) modulator and associated methods
US8787498B2 (en) 2011-08-18 2014-07-22 L-3 Communications Cincinnati Electronics Corporation Systems and methods for enhanced carrier suppression
JP5960465B2 (ja) * 2012-03-28 2016-08-02 パナソニック株式会社 送信機、信号生成装置、及び信号生成方法
US20160218406A1 (en) 2013-02-04 2016-07-28 John R. Sanford Coaxial rf dual-polarized waveguide filter and method
US9136989B2 (en) 2013-10-10 2015-09-15 Motorola Solutions, Inc. Method and apparatus for reducing carrier leakage
ES2767051T3 (es) 2013-10-11 2020-06-16 Ubiquiti Inc Optimización de sistema de radio inalámbrica mediante análisis de espectro persistente
CN104981941B (zh) 2014-04-01 2018-02-02 优倍快网络公司 天线组件
CN106233797B (zh) 2014-06-30 2019-12-13 优倍快网络公司 无线电设备对准工具及方法
JP6267250B2 (ja) * 2016-02-25 2018-01-24 株式会社Ｓｕｂａｒｕ 油圧回路の異常検知装置、及び、油圧回路の異常検知方法
US10395542B2 (en) * 2016-03-28 2019-08-27 Cisco Technology, Inc. Drone traffic engineering
JP7059639B2 (ja) * 2018-01-11 2022-04-26 富士通株式会社 目詰まり判定装置
US10727790B2 (en) * 2018-04-26 2020-07-28 Qualcomm Incorporated Driver amplifier with programmable single-ended and differential outputs
CN109379146B (zh) * 2018-12-27 2021-01-29 中国电子科技集团公司第七研究所 一种正交调制器的电路参数校正方法
US11405042B2 (en) * 2019-12-31 2022-08-02 Texas Instruments Incorporated Transceiver carrier frequency tuning
US11646919B2 (en) * 2020-01-08 2023-05-09 Mediatek Singapore Pte. Ltd. IQ generator for mixer
CN113253241B (zh) * 2021-06-01 2022-08-02 哈尔滨工业大学 扫频干涉测距信号处理方法
CN114050874B (zh) * 2022-01-12 2022-04-12 中星联华科技（北京）有限公司 调制校准电路及方法

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US5381108A (en) * 1992-11-16 1995-01-10 Linear Modulation Technology Limited Automatic calibration of the quadrature balance within a cartesian amplifier
US5396196A (en) 1993-12-29 1995-03-07 At&T Corp. Quadrature modular with adaptive suppression of carrier leakage
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US6298096B1 (en) * 1998-11-19 2001-10-02 Titan Corporation Method and apparatus for determination of predistortion parameters for a quadrature modulator
US6169463B1 (en) 1999-03-24 2001-01-02 Philips Electronic North America Corp. Quadrature modulator with set-and-forget carrier leakage compensation
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US6771709B2 (en) * 2001-10-16 2004-08-03 Her Majesty The Queen In Right Of Canada, As Represented By The Minister Of Industry System and method for direct transmitter self-calibration
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Also Published As

Publication number Publication date
WO2004095686A2 (en) 2004-11-04
EP1620940B1 (de) 2010-02-17
WO2004095686A8 (en) 2005-03-10
DE602004025561D1 (de) 2010-04-01
CN1778035A (zh) 2006-05-24
US7548591B2 (en) 2009-06-16
CN101355343A (zh) 2009-01-28
CN101355343B (zh) 2011-04-06
JP4555898B2 (ja) 2010-10-06
US7893758B2 (en) 2011-02-22
EP1620940A2 (de) 2006-02-01
KR20060009266A (ko) 2006-01-31
KR101023382B1 (ko) 2011-03-18
US20060208820A1 (en) 2006-09-21
JP2006525715A (ja) 2006-11-09
WO2004095686A3 (en) 2005-01-20
US20090267701A1 (en) 2009-10-29
CN100472941C (zh) 2009-03-25

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