CN102522957A - 一种改善射频功率放大器预失真性能的方法 - Google Patents
一种改善射频功率放大器预失真性能的方法 Download PDFInfo
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- CN102522957A CN102522957A CN2011103926287A CN201110392628A CN102522957A CN 102522957 A CN102522957 A CN 102522957A CN 2011103926287 A CN2011103926287 A CN 2011103926287A CN 201110392628 A CN201110392628 A CN 201110392628A CN 102522957 A CN102522957 A CN 102522957A
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- 238000000034 method Methods 0.000 title claims abstract description 44
- 238000004422 calculation algorithm Methods 0.000 claims abstract description 26
- 230000006870 function Effects 0.000 claims description 63
- 239000011159 matrix material Substances 0.000 claims description 27
- 238000004364 calculation method Methods 0.000 claims description 23
- 230000008569 process Effects 0.000 claims description 10
- 238000000354 decomposition reaction Methods 0.000 claims description 3
- 238000012935 Averaging Methods 0.000 claims 2
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- 230000003044 adaptive effect Effects 0.000 description 2
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- 238000013528 artificial neural network Methods 0.000 description 2
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- 238000011161 development Methods 0.000 description 2
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- 238000003199 nucleic acid amplification method Methods 0.000 description 2
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Abstract
Description
ψ1(x)=x |
ψ2(x)=4|x|x-3x |
ψ3(x)=15|x|2x-20|x|x+6x |
ψ4(x)=56|x|3x-105|x|2x+60|x|x-10x |
ψ5(x)=210|x|4x-504|x|3x+420|x|2x-140|x|x+15x |
ψ1(x)=x |
ψ2(x)=|x|x-1.3293x |
ψ3(x)=|x|2x-2.8544|x|x+1.7945x |
ψ4(x)=|x|3x-4.5643|x|2x+6.2340|x|x-2.4819x |
ψ5(x)=|x|4x-6.4468|x|3x+14.1909|x|2x-12.4039|x|x+3.5320x |
ψ1(x)=x |
ψ2(x)=|x|x-3x |
ψ3(x)=|x|2x-8|x|x+12x |
ψ4(x)=|x|3x-15|x|2x+60|x|x-60x |
ψ5(x)=|x|4x-24|x|3x+180|x|2x-480|x|x+360x |
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CN102522957A true CN102522957A (zh) | 2012-06-27 |
CN102522957B CN102522957B (zh) | 2015-10-28 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104168238A (zh) * | 2013-05-17 | 2014-11-26 | 上海无线通信研究中心 | 一种降低自适应数字预失真算法计算复杂度的方法 |
WO2016107201A1 (zh) * | 2014-12-29 | 2016-07-07 | 中兴通讯股份有限公司 | 数字预失真方法、装置和计算机存储介质 |
US10298366B2 (en) | 2016-08-26 | 2019-05-21 | Montage Technology (Shanghai) Co., Ltd. | Circuit and method for predistortion |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6236837B1 (en) * | 1998-07-30 | 2001-05-22 | Motorola, Inc. | Polynomial Predistortion linearizing device, method, phone and base station |
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Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
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US6236837B1 (en) * | 1998-07-30 | 2001-05-22 | Motorola, Inc. | Polynomial Predistortion linearizing device, method, phone and base station |
Non-Patent Citations (2)
Title |
---|
李明玉: ""宽带通信中功率放大器行为模型与预失真技术研究"", 《中国博士学位论文全文数据库(电子期刊)信息科技辑 》 * |
郭明卫: ""射频功率放大器的建模及其线性化研究"", 《万方数据库》 * |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104168238A (zh) * | 2013-05-17 | 2014-11-26 | 上海无线通信研究中心 | 一种降低自适应数字预失真算法计算复杂度的方法 |
CN104168238B (zh) * | 2013-05-17 | 2018-01-19 | 上海无线通信研究中心 | 一种降低自适应数字预失真算法计算复杂度的方法 |
WO2016107201A1 (zh) * | 2014-12-29 | 2016-07-07 | 中兴通讯股份有限公司 | 数字预失真方法、装置和计算机存储介质 |
CN105812302A (zh) * | 2014-12-29 | 2016-07-27 | 中兴通讯股份有限公司 | 数字预失真方法和装置 |
CN105812302B (zh) * | 2014-12-29 | 2020-06-09 | 中兴通讯股份有限公司 | 数字预失真方法和装置 |
US10298366B2 (en) | 2016-08-26 | 2019-05-21 | Montage Technology (Shanghai) Co., Ltd. | Circuit and method for predistortion |
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