CN105490759B - Iq信号校准方法及装置 - Google Patents
Iq信号校准方法及装置 Download PDFInfo
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- CN105490759B CN105490759B CN201410538714.8A CN201410538714A CN105490759B CN 105490759 B CN105490759 B CN 105490759B CN 201410538714 A CN201410538714 A CN 201410538714A CN 105490759 B CN105490759 B CN 105490759B
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CN105490759A CN105490759A (zh) | 2016-04-13 |
CN105490759B true CN105490759B (zh) | 2018-07-27 |
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Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
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US10277450B2 (en) * | 2017-02-23 | 2019-04-30 | Mediatek Inc. | Circuit, method, and receiver apparatus for performing on-the-fly IQ mismatch compensation |
CN108259404B (zh) | 2018-01-12 | 2020-01-17 | 深圳锐越微技术有限公司 | 基于iq两路不平衡产生的信号校准方法、装置及设备 |
CN110708084B (zh) * | 2019-10-15 | 2022-04-29 | 成都振芯科技股份有限公司 | 一种基于包络检测的发端的iq校正电路及方法 |
US11190285B1 (en) * | 2020-11-09 | 2021-11-30 | Hangzhou Geo-Chip Technology Co., Ltd. | Transmitter, receiver, signal transceiver and methods therefor |
CN113132028B (zh) * | 2021-04-25 | 2022-07-15 | 成都天奥测控技术有限公司 | 发端iq矫正方法 |
Citations (7)
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CN1663214A (zh) * | 2002-06-18 | 2005-08-31 | 诺基亚公司 | 正交调制器幅度失衡补偿 |
CN1898932A (zh) * | 2003-12-23 | 2007-01-17 | 英特尔公司 | 用于补偿接收器中i/q不平衡的方法和装置 |
CN101815056A (zh) * | 2010-03-05 | 2010-08-25 | 华为技术有限公司 | 无线通信接收机中基带信号的iq不平衡校准方法及设备 |
CN101939922A (zh) * | 2007-10-01 | 2011-01-05 | 迈凌有限公司 | I/q校准技术 |
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 |
CN102684715A (zh) * | 2011-03-14 | 2012-09-19 | 株式会社东芝 | 无线电接收机及用于控制无线电接收机的方法 |
US8477889B2 (en) * | 2009-03-11 | 2013-07-02 | Texas Instruments Incorporated | Estimating and filtering multiple sets of MIPS from different frequencies |
Family Cites Families (2)
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US20050163208A1 (en) * | 2004-01-27 | 2005-07-28 | Crestcom, Inc. | Equalized signal path with predictive subtraction signal and method therefor |
US20090122918A1 (en) * | 2007-11-06 | 2009-05-14 | Augusta Technology, Inc. | Methods for Compensating for I/Q Imbalance in OFDM Systems |
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Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
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CN1663214A (zh) * | 2002-06-18 | 2005-08-31 | 诺基亚公司 | 正交调制器幅度失衡补偿 |
CN1898932A (zh) * | 2003-12-23 | 2007-01-17 | 英特尔公司 | 用于补偿接收器中i/q不平衡的方法和装置 |
CN101939922A (zh) * | 2007-10-01 | 2011-01-05 | 迈凌有限公司 | I/q校准技术 |
US8477889B2 (en) * | 2009-03-11 | 2013-07-02 | Texas Instruments Incorporated | Estimating and filtering multiple sets of MIPS from different frequencies |
CN101815056A (zh) * | 2010-03-05 | 2010-08-25 | 华为技术有限公司 | 无线通信接收机中基带信号的iq不平衡校准方法及设备 |
CN102684715A (zh) * | 2011-03-14 | 2012-09-19 | 株式会社东芝 | 无线电接收机及用于控制无线电接收机的方法 |
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 |
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Effective date of registration: 20190318 Address after: 101399 Building 8-07, Ronghui Garden 6, Shunyi Airport Economic Core Area, Beijing Patentee after: Xin Xin finance leasing (Beijing) Co.,Ltd. Address before: 201203 Shanghai Pudong New Area Pudong Zhangjiang hi tech park, 2288 Chong Nong Road, exhibition center, 1 building. Patentee before: SPREADTRUM COMMUNICATIONS (SHANGHAI) Co.,Ltd. |
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Application publication date: 20160413 Assignee: SPREADTRUM COMMUNICATIONS (SHANGHAI) Co.,Ltd. Assignor: Xin Xin finance leasing (Beijing) Co.,Ltd. Contract record no.: X2021110000008 Denomination of invention: IQ signal calibration method and device Granted publication date: 20180727 License type: Exclusive License Record date: 20210317 |
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