JP2017511007A - Ｉ−ｑ不均衡較正のためのシステムおよび方法 - Google Patents

Ｉ−ｑ不均衡較正のためのシステムおよび方法 Download PDF

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Publication number
JP2017511007A
JP2017511007A JP2016541146A JP2016541146A JP2017511007A JP 2017511007 A JP2017511007 A JP 2017511007A JP 2016541146 A JP2016541146 A JP 2016541146A JP 2016541146 A JP2016541146 A JP 2016541146A JP 2017511007 A JP2017511007 A JP 2017511007A
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JP
Japan
Prior art keywords
imbalance
wireless communication
communication device
branch
receiver
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Pending
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JP2016541146A
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English (en)
Japanese (ja)
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JP2017511007A5 (enExample
Inventor
フェルナンデス・バッロス、ダニエル・ホセ
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Qualcomm Inc
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Qualcomm Inc
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Publication date
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Publication of JP2017511007A publication Critical patent/JP2017511007A/ja
Publication of JP2017511007A5 publication Critical patent/JP2017511007A5/ja
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/10—Monitoring; Testing of transmitters
    • H04B17/11—Monitoring; Testing of transmitters for calibration
    • H04B17/14—Monitoring; Testing of transmitters for calibration of the whole transmission and reception path, e.g. self-test loop-back
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D3/00—Demodulation of angle-, frequency- or phase- modulated oscillations
    • H03D3/007—Demodulation of angle-, frequency- or phase- modulated oscillations by converting the oscillations into two quadrature related signals
    • H03D3/009—Compensating quadrature phase or amplitude imbalances
    • 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
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/20—Monitoring; Testing of receivers
    • H04B17/21—Monitoring; Testing of receivers for calibration; for correcting measurements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/20—Monitoring; Testing of receivers
    • H04B17/21—Monitoring; Testing of receivers for calibration; for correcting measurements
    • H04B17/22—Monitoring; Testing of receivers for calibration; for correcting measurements for calibration of the receiver components
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0413—MIMO systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • 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
    • 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
    • H04L27/38—Demodulator circuits; Receiver circuits
    • H04L27/3845—Demodulator circuits; Receiver circuits using non - coherent demodulation, i.e. not using a phase synchronous carrier
    • H04L27/3854—Demodulator circuits; Receiver circuits using non - coherent demodulation, i.e. not using a phase synchronous carrier using a non - coherent carrier, including systems with baseband correction for phase or frequency offset
    • H04L27/3863—Compensation for quadrature error in the received signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • H04L2027/0044—Control loops for carrier regulation
    • H04L2027/0063—Elements of loops
    • H04L2027/0067—Phase error detectors

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • Transceivers (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Superheterodyne Receivers (AREA)
  • Mobile Radio Communication Systems (AREA)
JP2016541146A 2013-12-19 2014-12-12 Ｉ−ｑ不均衡較正のためのシステムおよび方法 Pending JP2017511007A (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US14/134,813 US9641126B2 (en) 2013-12-19 2013-12-19 Systems and methods for I-Q imbalance calibration
US14/134,813 2013-12-19
PCT/US2014/069950 WO2015094947A1 (en) 2013-12-19 2014-12-12 Systems and methods for i-q imbalance calibration

Publications (2)

Publication Number Publication Date
JP2017511007A true JP2017511007A (ja) 2017-04-13
JP2017511007A5 JP2017511007A5 (enExample) 2017-12-28

Family

ID=52355192

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2016541146A Pending JP2017511007A (ja) 2013-12-19 2014-12-12 Ｉ−ｑ不均衡較正のためのシステムおよび方法

Country Status (6)

Country Link
US (1) US9641126B2 (enExample)
EP (1) EP3084991A1 (enExample)
JP (1) JP2017511007A (enExample)
KR (1) KR20160101032A (enExample)
CN (1) CN105830371A (enExample)
WO (1) WO2015094947A1 (enExample)

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GB2537800B (en) * 2014-12-22 2018-05-30 Imagination Tech Ltd IQ imbalance estimator
US9882613B2 (en) * 2015-06-01 2018-01-30 Corning Optical Communications Wireless Ltd Determining actual loop gain in a distributed antenna system (DAS)
US9531528B1 (en) 2015-09-23 2016-12-27 Qualcomm Incorporated Multi-chip TX beamforming for per-packet switching without LO phase alignment circuitry
KR102410157B1 (ko) * 2016-03-17 2022-06-17 한국전자통신연구원 Los 환경에서 mimo 사용하여 전송량 증대가 가능한 무선 통신 장치 및 그 방법
KR102043667B1 (ko) * 2016-11-16 2019-11-12 한국전자통신연구원 광대역 수동상호변조왜곡 신호 측정 장치 및 방법
CN107948117B (zh) * 2017-12-07 2024-11-19 西安华讯天基通信技术有限公司 一种收发端联合正交调制校准的装置及其方法
KR102001739B1 (ko) * 2017-12-20 2019-07-18 국립 중산 과학 기술 연구원 I/q 불균형 교정 장치, 해당 교정 장치를 이용한 방법 및 송신기 시스템
KR102308438B1 (ko) 2019-07-18 2021-10-05 삼성전자 주식회사 밀리미터파 통신 시스템에서 i/q 불균형을 교정하기 위한 송수신기를 포함하는 전자 장치 및 그의 동작 방법
US11140633B2 (en) * 2020-02-10 2021-10-05 Samsung Electronics Co., Ltd. Method and apparatus for loopback gain step calibration on RF chain with phase shifter
KR102819297B1 (ko) * 2022-03-29 2025-06-12 한국전자통신연구원 Iq 불균형 보상 방법 및 장치

Citations (5)

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US20060223558A1 (en) * 2005-04-04 2006-10-05 Behzad Arya R Cross-core calibration in a multi-radio system
JP2009540672A (ja) * 2006-06-06 2009-11-19 クゥアルコム・インコーポレイテッド 高速同相直交不平衡校正
JP2010157866A (ja) * 2008-12-26 2010-07-15 Furuno Electric Co Ltd 無線装置
US20110207418A1 (en) * 2010-02-25 2011-08-25 Qualcomm Incorporated Methods and apparatus for measuring and/or using transmitter and/or receiver iq imbalance information and/or dc offset information
JP2012191586A (ja) * 2011-03-14 2012-10-04 Toshiba Corp 無線受信装置

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US6931343B2 (en) * 2003-09-19 2005-08-16 Globespanvirata, Incorporated On-signal quadrature modulator calibration
US7280619B2 (en) * 2003-12-23 2007-10-09 Intel Corporation Method and apparatus for compensating I/Q imbalance in receivers
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US20060223558A1 (en) * 2005-04-04 2006-10-05 Behzad Arya R Cross-core calibration in a multi-radio system
JP2009540672A (ja) * 2006-06-06 2009-11-19 クゥアルコム・インコーポレイテッド 高速同相直交不平衡校正
JP2010157866A (ja) * 2008-12-26 2010-07-15 Furuno Electric Co Ltd 無線装置
US20110207418A1 (en) * 2010-02-25 2011-08-25 Qualcomm Incorporated Methods and apparatus for measuring and/or using transmitter and/or receiver iq imbalance information and/or dc offset information
JP2012191586A (ja) * 2011-03-14 2012-10-04 Toshiba Corp 無線受信装置

Also Published As

Publication number Publication date
WO2015094947A1 (en) 2015-06-25
CN105830371A (zh) 2016-08-03
US20150180415A1 (en) 2015-06-25
KR20160101032A (ko) 2016-08-24
US9641126B2 (en) 2017-05-02
EP3084991A1 (en) 2016-10-26

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