DE602004025561D1 - Quadraturmodulator und kalibrierungsverfahren dafür - Google Patents

Quadraturmodulator und kalibrierungsverfahren dafür

Info

Publication number
DE602004025561D1
DE602004025561D1 DE602004025561T DE602004025561T DE602004025561D1 DE 602004025561 D1 DE602004025561 D1 DE 602004025561D1 DE 602004025561 T DE602004025561 T DE 602004025561T DE 602004025561 T DE602004025561 T DE 602004025561T DE 602004025561 D1 DE602004025561 D1 DE 602004025561D1
Authority
DE
Germany
Prior art keywords
modulator
phase
test tone
tone signal
branch input
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.)
Expired - Fee Related
Application number
DE602004025561T
Other languages
English (en)
Inventor
Ali Parsa
Ali Fotowat-Ahmady
Ali Faghfuri
Mahta Jenabi
Emmanuel Riou
Steffen Hahn
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.)
ST Ericsson SA
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
Publication of DE602004025561D1 publication Critical patent/DE602004025561D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H04L27/362—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
    • 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
    • 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)
DE602004025561T 2003-04-24 2004-04-20 Quadraturmodulator und kalibrierungsverfahren dafür Expired - Fee Related DE602004025561D1 (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
DE602004025561D1 true DE602004025561D1 (de) 2010-04-01

Family

ID=33310994

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602004025561T Expired - Fee Related DE602004025561D1 (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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DE602004025561D1 (de) 2003-04-24 2010-04-01 Nxp Bv Quadraturmodulator und kalibrierungsverfahren dafür
EP1633096A1 (de) * 2004-08-26 2006-03-08 St Microelectronics S.A. Bestimmung der Träger- und Symbolfrequenz eines Signals
WO2006064435A1 (en) 2004-12-16 2006-06-22 Philips Intellectual Property & Standards Gmbh Calibrating amplitude and phase imbalance and dc offset of an analog i /q modulator in a high-frequency transmitter
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
EP1701442A1 (de) * 2005-03-08 2006-09-13 Synthesys Research, Inc. Verfahren un Vorrichtung zur Phasenmodulierung eines Pulssignal
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
US8130880B1 (en) 2007-05-23 2012-03-06 Hypress, 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
US9496620B2 (en) * 2013-02-04 2016-11-15 Ubiquiti Networks, Inc. Radio system for long-range high-speed wireless communication
JP5287521B2 (ja) * 2009-06-04 2013-09-11 株式会社リコー 通信装置
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
US9941570B2 (en) 2014-04-01 2018-04-10 Ubiquiti Networks, Inc. Compact radio frequency antenna apparatuses
WO2016003864A1 (en) 2014-06-30 2016-01-07 Ubiquiti Networks, Inc. Wireless radio device alignment tools and methods
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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GB2213006B (en) 1987-11-27 1992-01-29 Stc Plc Correction of rf errors in quadrature channels of a zero-if transmitter
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
US5893030A (en) * 1994-05-25 1999-04-06 Oki Telecom Dual-function double balanced mixer circuit
US5881376A (en) * 1995-12-15 1999-03-09 Telefonaktiebolaget Lm Ericsson Digital calibration of a transceiver
JP3125717B2 (ja) * 1997-05-30 2001-01-22 日本電気株式会社 直交変復調回路を用いた無線通信装置
US5907261A (en) * 1997-09-05 1999-05-25 Ericsson Inc. Method and apparatus for controlling signal amplitude level
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
US6421397B1 (en) 2000-01-28 2002-07-16 Alcatel Canada Inc. Modulation system having on-line IQ calibration
US6745015B2 (en) * 2001-02-08 2004-06-01 Motorola, Inc. Method for automatic carrier suppression tuning of a wireless communication device
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
DE602004025561D1 (de) 2003-04-24 2010-04-01 Nxp Bv Quadraturmodulator und kalibrierungsverfahren dafür
US7769361B2 (en) * 2006-07-19 2010-08-03 Qualcomm Incorporated Systems, methods, and apparatus for frequency conversion

Also Published As

Publication number Publication date
KR20060009266A (ko) 2006-01-31
US7548591B2 (en) 2009-06-16
ATE458301T1 (de) 2010-03-15
US7893758B2 (en) 2011-02-22
WO2004095686A2 (en) 2004-11-04
CN1778035A (zh) 2006-05-24
CN101355343A (zh) 2009-01-28
EP1620940B1 (de) 2010-02-17
JP2006525715A (ja) 2006-11-09
KR101023382B1 (ko) 2011-03-18
EP1620940A2 (de) 2006-02-01
JP4555898B2 (ja) 2010-10-06
US20090267701A1 (en) 2009-10-29
WO2004095686A3 (en) 2005-01-20
CN101355343B (zh) 2011-04-06
WO2004095686A8 (en) 2005-03-10
US20060208820A1 (en) 2006-09-21
CN100472941C (zh) 2009-03-25

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Legal Events

Date Code Title Description
8327 Change in the person/name/address of the patent owner

Owner name: ST-ERICSSON SA, PLAN-LES-OUATES, CH

8339 Ceased/non-payment of the annual fee