CN101175061B - 一种ofdm发射机的自适应数字预失真方法和装置 - Google Patents
一种ofdm发射机的自适应数字预失真方法和装置 Download PDFInfo
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---|---|---|---|---|
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US20160034421A1 (en) * | 2014-08-01 | 2016-02-04 | Infineon Technologies Ag | Digital pre-distortion and post-distortion based on segmentwise piecewise polynomial approximation |
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CN105763495B (zh) * | 2014-12-16 | 2020-01-31 | 中兴通讯股份有限公司 | 一种数字预失真的方法和装置 |
CN106941466B (zh) * | 2016-01-04 | 2020-11-06 | 中兴通讯股份有限公司 | 一种软硬件协同的数字预失真的方法及装置 |
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US10033413B2 (en) * | 2016-05-19 | 2018-07-24 | Analog Devices Global | Mixed-mode digital predistortion |
US11063620B2 (en) | 2016-05-31 | 2021-07-13 | Apple Inc. | Digital pre-emphasis quadrature imbalance compensating filter |
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CN108604884A (zh) * | 2016-11-15 | 2018-09-28 | 思科技术公司 | 有线网络环境中通过数字预失真和机器学习的电缆调制解调器处的高功率效率放大 |
US9942074B1 (en) | 2016-11-30 | 2018-04-10 | Micron Technology, Inc. | Wireless devices and systems including examples of mixing coefficient data specific to a processing mode selection |
US10027523B2 (en) | 2016-11-30 | 2018-07-17 | Micron Technology, Inc. | Wireless devices and systems including examples of mixing input data with coefficient data |
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CN115529211A (zh) * | 2021-06-24 | 2022-12-27 | 华为技术有限公司 | 一种更新预处理参数的方法及装置 |
CN115529049A (zh) * | 2021-06-25 | 2022-12-27 | 广州海格通信集团股份有限公司 | 基于闭环的短波通信方法、装置、设备及可读存储介质 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1585264A (zh) * | 2003-08-22 | 2005-02-23 | 华为技术有限公司 | 一种功放系统及其产生预失真信号的方法 |
WO2006016964A2 (en) * | 2004-07-12 | 2006-02-16 | Powerwave Technologies, Inc. | Digital transmitter system employing self-generating predistortion parameter lists and adaptive controller |
WO2006036380A2 (en) * | 2004-08-19 | 2006-04-06 | The Regents Of The University Of California | A pre-distorter for orthogonal frequency division multiplexing systems and method of operating the same |
US7085330B1 (en) * | 2002-02-15 | 2006-08-01 | Marvell International Ltd. | Method and apparatus for amplifier linearization using adaptive predistortion |
CN1988522A (zh) * | 2005-12-20 | 2007-06-27 | 中兴通讯股份有限公司 | 宽带码分多址基站系统多通道多载波数字预失真发信机 |
CN101022434A (zh) * | 2007-03-27 | 2007-08-22 | 华为技术有限公司 | 一种预失真装置及方法 |
-
2007
- 2007-11-30 CN CN200710178443XA patent/CN101175061B/zh active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7085330B1 (en) * | 2002-02-15 | 2006-08-01 | Marvell International Ltd. | Method and apparatus for amplifier linearization using adaptive predistortion |
CN1585264A (zh) * | 2003-08-22 | 2005-02-23 | 华为技术有限公司 | 一种功放系统及其产生预失真信号的方法 |
WO2006016964A2 (en) * | 2004-07-12 | 2006-02-16 | Powerwave Technologies, Inc. | Digital transmitter system employing self-generating predistortion parameter lists and adaptive controller |
WO2006036380A2 (en) * | 2004-08-19 | 2006-04-06 | The Regents Of The University Of California | A pre-distorter for orthogonal frequency division multiplexing systems and method of operating the same |
CN1988522A (zh) * | 2005-12-20 | 2007-06-27 | 中兴通讯股份有限公司 | 宽带码分多址基站系统多通道多载波数字预失真发信机 |
CN101022434A (zh) * | 2007-03-27 | 2007-08-22 | 华为技术有限公司 | 一种预失真装置及方法 |
Non-Patent Citations (2)
Title |
---|
Lei Ding, Tong Zhou, Dennis R.Morgan.A Robust Digital Basedband Predistorter Constructed UsingMemory Polynomials.IEEE Transactions on Communications52 1.2004,52(1),159-165. |
Lei Ding, Tong Zhou, Dennis R.Morgan.A Robust Digital Basedband Predistorter Constructed UsingMemory Polynomials.IEEE Transactions on Communications52 1.2004,52(1),159-165. * |
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