JP2007282066A5 - - Google Patents

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Publication number
JP2007282066A5
JP2007282066A5 JP2006108211A JP2006108211A JP2007282066A5 JP 2007282066 A5 JP2007282066 A5 JP 2007282066A5 JP 2006108211 A JP2006108211 A JP 2006108211A JP 2006108211 A JP2006108211 A JP 2006108211A JP 2007282066 A5 JP2007282066 A5 JP 2007282066A5
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JP
Japan
Prior art keywords
signal
complex
vector
input signal
polynomial
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JP2006108211A
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English (en)
Japanese (ja)
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JP4835241B2 (ja
JP2007282066A (ja
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Priority to JP2006108211A priority Critical patent/JP4835241B2/ja
Priority claimed from JP2006108211A external-priority patent/JP4835241B2/ja
Priority to US11/703,768 priority patent/US7864881B2/en
Publication of JP2007282066A publication Critical patent/JP2007282066A/ja
Priority to US12/929,083 priority patent/US7995674B2/en
Publication of JP2007282066A5 publication Critical patent/JP2007282066A5/ja
Application granted granted Critical
Publication of JP4835241B2 publication Critical patent/JP4835241B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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JP2006108211A 2006-04-11 2006-04-11 ディジタルプリディストーション送信機 Expired - Fee Related JP4835241B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2006108211A JP4835241B2 (ja) 2006-04-11 2006-04-11 ディジタルプリディストーション送信機
US11/703,768 US7864881B2 (en) 2006-04-11 2007-02-08 Digital predistortion transmitter
US12/929,083 US7995674B2 (en) 2006-04-11 2010-12-29 Digital predistortion transmitter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2006108211A JP4835241B2 (ja) 2006-04-11 2006-04-11 ディジタルプリディストーション送信機

Publications (3)

Publication Number Publication Date
JP2007282066A JP2007282066A (ja) 2007-10-25
JP2007282066A5 true JP2007282066A5 (enExample) 2011-03-03
JP4835241B2 JP4835241B2 (ja) 2011-12-14

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JP2006108211A Expired - Fee Related JP4835241B2 (ja) 2006-04-11 2006-04-11 ディジタルプリディストーション送信機

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US (2) US7864881B2 (enExample)
JP (1) JP4835241B2 (enExample)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5115976B2 (ja) * 2008-05-26 2013-01-09 日本無線株式会社 プリディストータ
US8843088B2 (en) 2008-10-15 2014-09-23 Apple Inc. Minimum feedback radio architecture with digitally configurable adaptive linearization
US8331879B2 (en) * 2008-10-15 2012-12-11 Research In Motion Limited Multi-dimensional Volterra series transmitter linearization
US8213880B2 (en) * 2008-10-15 2012-07-03 Rockstar Bidco, LP Minimum feedback radio architecture with digitally configurable adaptive linearization
US8030997B2 (en) * 2008-11-11 2011-10-04 Philip Brown Resource efficient adaptive digital pre-distortion system
US8160191B2 (en) 2008-12-01 2012-04-17 Rockstar Bidco Lp Correction of quadrature errors
KR101139222B1 (ko) * 2008-12-22 2012-04-23 한국전자통신연구원 디지털 전치왜곡 신호를 생성하는 방법 및 장치
JP5260335B2 (ja) * 2009-01-23 2013-08-14 日本無線株式会社 プリディストータ
JP5499878B2 (ja) 2010-04-23 2014-05-21 富士通株式会社 歪補償装置、無線通信装置及び歪補償方法
JP5753272B2 (ja) * 2010-11-16 2015-07-22 テレフオンアクチーボラゲット エル エム エリクソン（パブル） タップ出力の正規化を伴う非線形モデル
US9332585B2 (en) * 2010-11-18 2016-05-03 Dsp Group Ltd. Non-synchronized ADPCM with discontinuous transmission
US9184710B2 (en) * 2011-02-09 2015-11-10 Intel Corporation Digital predistortion of a power amplifier for signals comprising widely spaced carriers
CN102394591B (zh) * 2011-09-02 2013-11-20 长安大学 一种基于fpga的车辆振动信号滤波装置
KR20130043425A (ko) 2011-10-20 2013-04-30 삼성전자주식회사 입력 레벨에 따라 메모리 차수를 달리하는 디지털 전치 왜곡 방법 및 장치
US8995571B2 (en) * 2013-03-14 2015-03-31 Analog Devices Global Baseband digital pre-distortion architecture
US9727677B2 (en) * 2013-05-16 2017-08-08 Telefonaktiebolaget Lm Ericsson (Publ) Baseband equivalent volterra series for behavioral modeling and digital predistortion of wideband transmitters
US9438178B1 (en) 2015-09-02 2016-09-06 Intel IP Corporation Mixer impairment correction based on volterra series
JP2017098711A (ja) * 2015-11-20 2017-06-01 富士通株式会社 歪補償装置および歪補償方法
US9998315B2 (en) 2016-03-08 2018-06-12 Blackberry Limited Method and apparatus for I-Q decoupled OFDM modulation and demodulation
US9762302B1 (en) * 2016-06-01 2017-09-12 Maxlinear Asia Singapore PTE LTD Predistortion for hybrid digital/analog precoders
EP3264607A1 (en) * 2016-07-01 2018-01-03 Intel IP Corporation Method to mitigate undesired oscillator frequency modulation effects inside a synthesizer due to interference signals and synthesizer circuit
US9787336B1 (en) * 2016-09-29 2017-10-10 Intel IP Corporation Device and method of pre-distortion of power amplifier input signals
EP3306817B8 (en) * 2016-10-07 2021-04-21 Rohde & Schwarz GmbH & Co. KG Predistortion system and method
CN110351218B (zh) * 2018-04-08 2021-08-20 华为技术有限公司 一种预失真处理方法、装置和通信设备
US11531639B2 (en) 2018-07-26 2022-12-20 The Boeing Company Pipelined cognitive signal processor
US10985951B2 (en) 2019-03-15 2021-04-20 The Research Foundation for the State University Integrating Volterra series model and deep neural networks to equalize nonlinear power amplifiers
CN110572341B (zh) * 2019-09-19 2021-10-08 三维通信股份有限公司 一种数字预失真技术dpd处理方法及装置
CN110943701B (zh) * 2019-12-27 2021-11-19 陕西亚成微电子股份有限公司 一种用于包络追踪功放的数字预失真方法和设备
US11456760B1 (en) * 2021-03-05 2022-09-27 Motorola Solutions, Inc. Linearizing narrowband carriers with low resolution predistorters

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10145146A (ja) 1996-11-05 1998-05-29 Matsushita Electric Ind Co Ltd 非線形歪補償装置
US6288610B1 (en) * 1998-03-19 2001-09-11 Fujitsu Limited Method and apparatus for correcting signals, apparatus for compensating for distortion, apparatus for preparing distortion compensating data, and transmitter
JP3451947B2 (ja) 1998-07-03 2003-09-29 住友電気工業株式会社 Ｏｆｄｍ変調器
US6240278B1 (en) * 1998-07-30 2001-05-29 Motorola, Inc. Scalar cost function based predistortion linearizing device, method, phone and basestation
US6236837B1 (en) * 1998-07-30 2001-05-22 Motorola, Inc. Polynomial Predistortion linearizing device, method, phone and base station
JP4086133B2 (ja) * 1999-07-28 2008-05-14 富士通株式会社 無線装置の歪補償方法及び歪補償装置
JP2001268150A (ja) 2000-03-21 2001-09-28 Hitachi Kokusai Electric Inc リニアライザ
JP4513219B2 (ja) * 2001-03-06 2010-07-28 住友電気工業株式会社 前置型非線形歪補償器
JP4012725B2 (ja) * 2001-12-05 2007-11-21 株式会社日立コミュニケーションテクノロジー プリディストーション型増幅装置
KR100480278B1 (ko) * 2002-12-24 2005-04-07 삼성전자주식회사 광대역 전력 증폭기를 위한 디지털 전치보상기 및 그적응화 방법
KR20040071556A (ko) * 2003-02-06 2004-08-12 삼성전자주식회사 복소 벡터 곱셈을 이용하는 다항식형 전치보상기 및 방법
SE525221C2 (sv) * 2003-03-25 2004-12-28 Ericsson Telefon Ab L M Förförvrängare för effektförstärkare
JP4394409B2 (ja) * 2003-09-25 2010-01-06 株式会社日立国際電気 プリディストーション方式歪補償機能付き増幅器
US7551686B1 (en) * 2004-06-23 2009-06-23 Rf Micro Devices, Inc. Multiple polynomial digital predistortion
US7844014B2 (en) * 2006-07-07 2010-11-30 Scintera Networks, Inc. Pre-distortion apparatus

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