KR20160101032A - I-q 불균형 교정을 위한 시스템들 및 방법들 - Google Patents

I-q 불균형 교정을 위한 시스템들 및 방법들 Download PDF

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Publication number
KR20160101032A
KR20160101032A KR1020167018783A KR20167018783A KR20160101032A KR 20160101032 A KR20160101032 A KR 20160101032A KR 1020167018783 A KR1020167018783 A KR 1020167018783A KR 20167018783 A KR20167018783 A KR 20167018783A KR 20160101032 A KR20160101032 A KR 20160101032A
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KR
South Korea
Prior art keywords
phase
imbalance
quadrature
branch
receiver
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.)
Withdrawn
Application number
KR1020167018783A
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English (en)
Korean (ko)
Inventor
다니엘 조세 페르난데스 바로스
Original Assignee
퀄컴 인코포레이티드
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Publication date
Application filed by 퀄컴 인코포레이티드 filed Critical 퀄컴 인코포레이티드
Publication of KR20160101032A publication Critical patent/KR20160101032A/ko
Withdrawn legal-status Critical Current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)
KR1020167018783A 2013-12-19 2014-12-12 I-q 불균형 교정을 위한 시스템들 및 방법들 Withdrawn KR20160101032A (ko)

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 (1)

Publication Number Publication Date
KR20160101032A true KR20160101032A (ko) 2016-08-24

Family

ID=52355192

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020167018783A Withdrawn KR20160101032A (ko) 2013-12-19 2014-12-12 I-q 불균형 교정을 위한 시스템들 및 방법들

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)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20190074881A (ko) * 2017-12-20 2019-06-28 국립 중산 과학 기술 연구원 I/q 불균형 교정 장치, 해당 교정 장치를 이용한 방법 및 송신기 시스템
KR20230140032A (ko) * 2022-03-29 2023-10-06 한국전자통신연구원 Iq 불균형 보상 방법 및 장치

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5852630A (en) * 1997-07-17 1998-12-22 Globespan Semiconductor, Inc. Method and apparatus for a RADSL transceiver warm start activation procedure with precoding
CA2352398C (en) * 2000-07-06 2005-07-26 Unique Broadband Systems, Inc. Low phase noise frequency converter
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
US7616929B2 (en) * 2005-04-04 2009-11-10 Broadcom Corporation Cross-core calibration in a multi-radio system
US20070025474A1 (en) * 2005-07-29 2007-02-01 Broadcom Corporation, A California Corporation Receiver IQ imbalance calibration
US8654885B2 (en) * 2006-06-06 2014-02-18 Qualcomm Incorporated Fast in-phase and quadrature imbalance calibration
US8374297B2 (en) * 2008-09-15 2013-02-12 Intel Corporation Circuit, controller and methods for dynamic estimation and cancellation of phase and gain imbalances in quadrature signal paths of a receiver
US8295845B1 (en) * 2008-12-04 2012-10-23 Qualcomm Atheros, Inc. Transceiver I/Q mismatch calibration
JP5189483B2 (ja) * 2008-12-26 2013-04-24 古野電気株式会社 無線装置
US8233524B2 (en) * 2009-03-12 2012-07-31 Freescale Semiconductor, Inc. Radio transmitter IQ imbalance measurement and correction methods and apparatus
US8379767B2 (en) 2009-09-23 2013-02-19 Intel Corporation Methods and systems to compensate IQ imbalance in zero-IF tuners
US8630598B2 (en) * 2010-02-25 2014-01-14 Qualcomm Incorporated Methods and apparatus for measuring and/or using transmitter and/or receiver IQ imbalance information and/or DC offset information
US8565352B2 (en) 2010-05-03 2013-10-22 Telefonaktiebolaget L M Ericsson (Publ) Digital IQ imbalance compensation for dual-carrier double conversion receiver
US8711905B2 (en) 2010-05-27 2014-04-29 Intel Corporation Calibration of quadrature imbalances using wideband signals
CN102377700B (zh) * 2010-08-18 2014-06-11 上海明波通信技术有限公司 估计发送端和接收端i/q不平衡的方法
JP5361927B2 (ja) * 2011-03-14 2013-12-04 株式会社東芝 無線受信装置
US20120300818A1 (en) * 2011-03-31 2012-11-29 Qualcomm Incorporated Self-calibration i/q imbalance reduction
US9479203B2 (en) * 2011-04-14 2016-10-25 Mediatek Inc. Transceiver capable of IQ mismatch compensation on the fly and method thereof
US8644427B2 (en) 2011-08-10 2014-02-04 Sigear Europe Sarl Radio frequency receiver with dual band reception and dual ADC
US8861620B2 (en) 2011-10-14 2014-10-14 SiTune Corporation Full band cable receiver
US9106502B2 (en) * 2012-11-19 2015-08-11 Intel Corporation Apparatus, system and method of in-phase/quadrature (I/Q) imbalance compensation

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20190074881A (ko) * 2017-12-20 2019-06-28 국립 중산 과학 기술 연구원 I/q 불균형 교정 장치, 해당 교정 장치를 이용한 방법 및 송신기 시스템
KR20230140032A (ko) * 2022-03-29 2023-10-06 한국전자통신연구원 Iq 불균형 보상 방법 및 장치

Also Published As

Publication number Publication date
JP2017511007A (ja) 2017-04-13
WO2015094947A1 (en) 2015-06-25
CN105830371A (zh) 2016-08-03
US20150180415A1 (en) 2015-06-25
US9641126B2 (en) 2017-05-02
EP3084991A1 (en) 2016-10-26

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PA0105 International application

Patent event date: 20160712

Patent event code: PA01051R01D

Comment text: International Patent Application

PG1501 Laying open of application
PC1203 Withdrawal of no request for examination
WITN Application deemed withdrawn, e.g. because no request for examination was filed or no examination fee was paid