CN101815056A - 无线通信接收机中基带信号的iq不平衡校准方法及设备 - Google Patents
无线通信接收机中基带信号的iq不平衡校准方法及设备 Download PDFInfo
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- 238000012545 processing Methods 0.000 claims abstract description 21
- 238000004364 calculation method Methods 0.000 abstract description 5
- 230000006870 function Effects 0.000 description 8
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/08—Modifications for reducing interference; Modifications for reducing effects due to line faults ; Receiver end arrangements for detecting or overcoming line faults
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- 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
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- 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
- H04L27/38—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
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- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
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CN2010101200153A CN101815056B (zh) | 2010-03-05 | 2010-03-05 | 无线通信接收机中基带信号的iq不平衡校准方法及设备 |
US13/041,049 US8446995B2 (en) | 2010-03-05 | 2011-03-04 | Method and device for correcting IQ imbalance of baseband signals in wireless communication receiver |
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CN2010101200153A CN101815056B (zh) | 2010-03-05 | 2010-03-05 | 无线通信接收机中基带信号的iq不平衡校准方法及设备 |
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CN101815056B CN101815056B (zh) | 2012-09-05 |
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Cited By (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102025430A (zh) * | 2010-11-19 | 2011-04-20 | 中兴通讯股份有限公司 | 基于闭环的自动校准方法和设备 |
CN102340479A (zh) * | 2011-10-25 | 2012-02-01 | 北京华力创通科技股份有限公司 | Iq不平衡补偿装置和方法 |
CN102594381A (zh) * | 2012-02-03 | 2012-07-18 | 京信通信系统(中国)有限公司 | 接收机及其镜像抑制方法 |
CN102739571A (zh) * | 2011-04-12 | 2012-10-17 | 中兴通讯股份有限公司 | 接收端iq路数据的校准方法、装置及系统 |
CN103905371A (zh) * | 2012-12-28 | 2014-07-02 | 中兴通讯股份有限公司 | 一种iq校准补偿方法和装置 |
CN104412553A (zh) * | 2012-07-27 | 2015-03-11 | 德州仪器公司 | 多分接头iq不平衡估计及校正电路与方法 |
CN105490973A (zh) * | 2014-10-13 | 2016-04-13 | 展讯通信(上海)有限公司 | Iq信号校准方法及装置 |
CN105490759A (zh) * | 2014-10-13 | 2016-04-13 | 展讯通信(上海)有限公司 | Iq信号校准方法及装置 |
CN105847198A (zh) * | 2016-03-15 | 2016-08-10 | 东南大学 | Ofdm-wlan射频测试系统的iq不平衡估计与补偿方法 |
CN107800656A (zh) * | 2017-11-02 | 2018-03-13 | 锐捷网络股份有限公司 | 一种对于iq不平衡进行补偿的方法及设备 |
WO2018045764A1 (zh) * | 2016-09-12 | 2018-03-15 | 深圳市中兴微电子技术有限公司 | 补偿方法和装置、时域补偿器、通信设备及存储介质 |
CN108040029A (zh) * | 2018-01-12 | 2018-05-15 | 深圳锐越微技术有限公司 | 接收机iq两路不平衡的补偿方法、装置及设备 |
CN105471789B (zh) * | 2014-09-05 | 2018-10-26 | 上海华虹集成电路有限责任公司 | 解调电路 |
CN111614586A (zh) * | 2020-03-30 | 2020-09-01 | 北京瀚诺半导体科技有限公司 | 一种发端iq不平衡参数的估计方法及装置 |
CN111917672A (zh) * | 2020-07-18 | 2020-11-10 | 青岛鼎信通讯股份有限公司 | 一种用于载波无线双模通信的iq路正交估计及校准方法 |
CN112054984A (zh) * | 2020-08-10 | 2020-12-08 | 北京智芯微电子科技有限公司 | Iq不平衡校正方法及装置 |
CN112291173A (zh) * | 2020-10-21 | 2021-01-29 | 锐迪科创微电子(北京)有限公司 | 一种iq不平衡系数获取方法及装置、可读存储介质 |
WO2021017382A1 (zh) * | 2019-07-29 | 2021-02-04 | 烽火通信科技股份有限公司 | 一种iq信号相位误差控制方法及系统 |
CN113132028A (zh) * | 2021-04-25 | 2021-07-16 | 成都天奥测控技术有限公司 | 发端iq矫正方法 |
Families Citing this family (11)
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---|---|---|---|---|
US9065559B2 (en) | 2011-05-09 | 2015-06-23 | Bae Systems Information And Electronic Systems Integration Inc. | System for testing and calibrating core engine radio frequency (RF) circuit card assemblies |
US9264282B2 (en) * | 2013-03-15 | 2016-02-16 | Innophase, Inc. | Polar receiver signal processing apparatus and methods |
TWI456958B (zh) * | 2012-07-12 | 2014-10-11 | Realtek Semiconductor Corp | 降低無線通訊系統之訊號不平衡的方法 |
US9083588B1 (en) | 2013-03-15 | 2015-07-14 | Innophase, Inc. | Polar receiver with adjustable delay and signal processing metho |
US9160586B1 (en) * | 2013-07-24 | 2015-10-13 | Marvell International Ltd. | Method and apparatus for estimating and compensating for in-phase and quadrature (IQ) mismatch in a receiver of a wireless communication device |
US9042500B1 (en) | 2013-12-17 | 2015-05-26 | Motorola Solutions, Inc. | Very low intermediate frequency (VLIF) receiver and method of controlling a VLIF receiver |
US9660845B2 (en) * | 2015-10-06 | 2017-05-23 | Huawei Technologies Co., Ltd. | System and method for state reduction in trellis equalizers using bounded state enumeration |
TWI619355B (zh) | 2016-06-28 | 2018-03-21 | 瑞昱半導體股份有限公司 | 可依據外部振盪信號進行同相/正交相不匹配校正的接收電路 |
US10958217B2 (en) * | 2017-12-14 | 2021-03-23 | U-Blox Ag | Methods, circuits, and apparatus for calibrating an in-phase and quadrature imbalance |
US11688410B2 (en) | 2020-09-14 | 2023-06-27 | Maxlinear, Inc. | Receive path in-phase and quadrature imbalance correction using circuit noise |
CN115086135B (zh) * | 2022-06-09 | 2023-12-29 | 深圳市领创星通科技有限公司 | 一种iq失衡的校准方法、装置、电子设备及存储介质 |
Citations (3)
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CN1457555A (zh) * | 2001-02-21 | 2003-11-19 | 皇家菲利浦电子有限公司 | 发射机中的同相和正交发送支路的校准 |
US6898252B1 (en) * | 2000-07-21 | 2005-05-24 | Intel Corporation | IQ mismatch cancellation |
CN101582872A (zh) * | 2008-05-15 | 2009-11-18 | 北京六合万通微电子技术股份有限公司 | 一种ofdm接收机幅相偏差校正方法 |
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US7466768B2 (en) | 2004-06-14 | 2008-12-16 | Via Technologies, Inc. | IQ imbalance compensation |
US8145153B2 (en) * | 2006-09-20 | 2012-03-27 | Nxp B.V. | Method and system for calibrating an analogue I/Q-modulator of a transmitter |
US8000382B2 (en) | 2008-01-04 | 2011-08-16 | Qualcomm Incorporated | I/Q imbalance estimation and correction in a communication system |
EP2109273B1 (en) | 2008-04-11 | 2010-11-03 | Telefonaktiebolaget LM Ericsson (publ) | Methods and arrangements for estimating IQ-imbalance |
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 |
US8477889B2 (en) * | 2009-03-11 | 2013-07-02 | Texas Instruments Incorporated | Estimating and filtering multiple sets of MIPS from different frequencies |
CN101499991B (zh) | 2009-03-17 | 2012-05-23 | 广东工业大学 | Iq不平衡影响下mimo-ofdm系统载波频偏和采样偏差联合估计方法 |
-
2010
- 2010-03-05 CN CN2010101200153A patent/CN101815056B/zh not_active Expired - Fee Related
-
2011
- 2011-03-04 US US13/041,049 patent/US8446995B2/en not_active Expired - Fee Related
Patent Citations (3)
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US6898252B1 (en) * | 2000-07-21 | 2005-05-24 | Intel Corporation | IQ mismatch cancellation |
CN1457555A (zh) * | 2001-02-21 | 2003-11-19 | 皇家菲利浦电子有限公司 | 发射机中的同相和正交发送支路的校准 |
CN101582872A (zh) * | 2008-05-15 | 2009-11-18 | 北京六合万通微电子技术股份有限公司 | 一种ofdm接收机幅相偏差校正方法 |
Cited By (39)
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CN102025430A (zh) * | 2010-11-19 | 2011-04-20 | 中兴通讯股份有限公司 | 基于闭环的自动校准方法和设备 |
CN102025430B (zh) * | 2010-11-19 | 2014-07-16 | 中兴通讯股份有限公司 | 基于闭环的自动校准方法和设备 |
CN102739571B (zh) * | 2011-04-12 | 2016-01-13 | 中兴通讯股份有限公司 | 接收端iq路数据的校准方法、装置及系统 |
CN102739571A (zh) * | 2011-04-12 | 2012-10-17 | 中兴通讯股份有限公司 | 接收端iq路数据的校准方法、装置及系统 |
CN102340479A (zh) * | 2011-10-25 | 2012-02-01 | 北京华力创通科技股份有限公司 | Iq不平衡补偿装置和方法 |
CN102340479B (zh) * | 2011-10-25 | 2014-04-02 | 北京华力创通科技股份有限公司 | Iq不平衡补偿装置和方法 |
CN102594381A (zh) * | 2012-02-03 | 2012-07-18 | 京信通信系统(中国)有限公司 | 接收机及其镜像抑制方法 |
CN102594381B (zh) * | 2012-02-03 | 2014-12-31 | 京信通信系统(中国)有限公司 | 接收机及其镜像抑制方法 |
CN104412553B (zh) * | 2012-07-27 | 2018-10-16 | 德州仪器公司 | 多分接头iq不平衡估计及校正电路与方法 |
CN104412553A (zh) * | 2012-07-27 | 2015-03-11 | 德州仪器公司 | 多分接头iq不平衡估计及校正电路与方法 |
WO2014101541A1 (zh) * | 2012-12-28 | 2014-07-03 | 中兴通讯股份有限公司 | 一种iq校准补偿方法和装置 |
CN103905371A (zh) * | 2012-12-28 | 2014-07-02 | 中兴通讯股份有限公司 | 一种iq校准补偿方法和装置 |
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CN105471789B (zh) * | 2014-09-05 | 2018-10-26 | 上海华虹集成电路有限责任公司 | 解调电路 |
CN105490759A (zh) * | 2014-10-13 | 2016-04-13 | 展讯通信(上海)有限公司 | Iq信号校准方法及装置 |
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CN105847198A (zh) * | 2016-03-15 | 2016-08-10 | 东南大学 | Ofdm-wlan射频测试系统的iq不平衡估计与补偿方法 |
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WO2019137253A1 (zh) * | 2018-01-12 | 2019-07-18 | 深圳锐越微技术有限公司 | 接收机iq两路不平衡的补偿方法、装置及设备 |
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CN111614586A (zh) * | 2020-03-30 | 2020-09-01 | 北京瀚诺半导体科技有限公司 | 一种发端iq不平衡参数的估计方法及装置 |
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CN111917672A (zh) * | 2020-07-18 | 2020-11-10 | 青岛鼎信通讯股份有限公司 | 一种用于载波无线双模通信的iq路正交估计及校准方法 |
CN111917672B (zh) * | 2020-07-18 | 2023-05-30 | 青岛鼎信通讯股份有限公司 | 一种用于载波无线双模通信的iq路正交估计及校准方法 |
CN112054984A (zh) * | 2020-08-10 | 2020-12-08 | 北京智芯微电子科技有限公司 | Iq不平衡校正方法及装置 |
CN112054984B (zh) * | 2020-08-10 | 2022-01-14 | 北京智芯微电子科技有限公司 | Iq不平衡校正方法及装置 |
CN112291173A (zh) * | 2020-10-21 | 2021-01-29 | 锐迪科创微电子(北京)有限公司 | 一种iq不平衡系数获取方法及装置、可读存储介质 |
CN112291173B (zh) * | 2020-10-21 | 2024-05-14 | 锐迪科创微电子(北京)有限公司 | 一种iq不平衡系数获取方法及装置、可读存储介质 |
CN113132028A (zh) * | 2021-04-25 | 2021-07-16 | 成都天奥测控技术有限公司 | 发端iq矫正方法 |
Also Published As
Publication number | Publication date |
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US20110216858A1 (en) | 2011-09-08 |
CN101815056B (zh) | 2012-09-05 |
US8446995B2 (en) | 2013-05-21 |
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