BRPI1011732A2 - método de determinar coeficientes de um pré-distorcedor, meio legível por computador, e, cadeia de transmissão. - Google Patents

método de determinar coeficientes de um pré-distorcedor, meio legível por computador, e, cadeia de transmissão.

Info

Publication number
BRPI1011732A2
BRPI1011732A2 BRPI1011732A BRPI1011732A BRPI1011732A2 BR PI1011732 A2 BRPI1011732 A2 BR PI1011732A2 BR PI1011732 A BRPI1011732 A BR PI1011732A BR PI1011732 A BRPI1011732 A BR PI1011732A BR PI1011732 A2 BRPI1011732 A2 BR PI1011732A2
Authority
BR
Brazil
Prior art keywords
distortor
computer readable
readable medium
transmission chain
determining coefficients
Prior art date
Application number
BRPI1011732A
Other languages
English (en)
Inventor
Dorian Davies
Original Assignee
Nortel Networks Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=42647335&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=BRPI1011732(A2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Nortel Networks Ltd filed Critical Nortel Networks Ltd
Publication of BRPI1011732A2 publication Critical patent/BRPI1011732A2/pt

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/32—Modifications of amplifiers to reduce non-linear distortion
    • H03F1/3241—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/32—Modifications of amplifiers to reduce non-linear distortion
    • H03F1/3241—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits
    • H03F1/3247—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits using feedback acting on predistortion circuits
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2201/00—Indexing scheme relating to details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements covered by H03F1/00
    • H03F2201/32—Indexing scheme relating to modifications of amplifiers to reduce non-linear distortion
    • H03F2201/3233—Adaptive predistortion using lookup table, e.g. memory, RAM, ROM, LUT, to generate the predistortion

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
  • Transmitters (AREA)
BRPI1011732A 2009-05-07 2010-05-07 método de determinar coeficientes de um pré-distorcedor, meio legível por computador, e, cadeia de transmissão. BRPI1011732A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12/436,966 US8170508B2 (en) 2009-05-07 2009-05-07 Pre-distortion for a radio frequency power amplifier
PCT/EP2010/056300 WO2010128160A1 (en) 2009-05-07 2010-05-07 Pre-distortion for a radio frequency power amplifier

Publications (1)

Publication Number Publication Date
BRPI1011732A2 true BRPI1011732A2 (pt) 2016-03-22

Family

ID=42647335

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI1011732A BRPI1011732A2 (pt) 2009-05-07 2010-05-07 método de determinar coeficientes de um pré-distorcedor, meio legível por computador, e, cadeia de transmissão.

Country Status (9)

Country Link
US (4) US8170508B2 (pt)
EP (1) EP2430748B1 (pt)
JP (1) JP5753531B2 (pt)
KR (1) KR101715422B1 (pt)
CN (1) CN102414983B (pt)
BR (1) BRPI1011732A2 (pt)
CA (1) CA2777469C (pt)
RU (1) RU2564680C2 (pt)
WO (1) WO2010128160A1 (pt)

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US8805304B2 (en) * 2011-10-25 2014-08-12 Scintera Networks Llc Linearization of broadband power amplifiers
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US8559494B1 (en) 2012-06-20 2013-10-15 MagnaCom Ltd. Timing synchronization for reception of highly-spectrally-efficient communications
US8831124B2 (en) 2012-06-20 2014-09-09 MagnaCom Ltd. Multi-mode orthogonal frequency division multiplexing transmitter for highly-spectrally-efficient communications
US20140029683A1 (en) * 2012-07-26 2014-01-30 Telefonaktiebolaget L M Ericsson (Publ) Multi-Band Observation Receiver
WO2014021895A1 (en) * 2012-08-02 2014-02-06 Texas State University - San Marcos Suppression of interference in power and communication signals
CN102904846B (zh) * 2012-10-31 2015-07-29 华南理工大学 一种适应快变信号的数字预失真处理方法
JP2014116691A (ja) * 2012-12-06 2014-06-26 Samsung Electronics Co Ltd 高周波増幅装置及び歪補償方法
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JP6296709B2 (ja) * 2013-06-14 2018-03-20 株式会社東芝 歪補償装置
US20150049843A1 (en) * 2013-08-15 2015-02-19 MagnaCom Ltd. Combined Transmission Precompensation and Receiver Nonlinearity Mitigation
JP6209925B2 (ja) * 2013-10-09 2017-10-11 富士通株式会社 歪補償装置および歪補償方法
US9118519B2 (en) 2013-11-01 2015-08-25 MagnaCom Ltd. Reception of inter-symbol-correlated signals using symbol-by-symbol soft-output demodulator
US9130637B2 (en) 2014-01-21 2015-09-08 MagnaCom Ltd. Communication methods and systems for nonlinear multi-user environments
US9496900B2 (en) 2014-05-06 2016-11-15 MagnaCom Ltd. Signal acquisition in a multimode environment
US8891701B1 (en) 2014-06-06 2014-11-18 MagnaCom Ltd. Nonlinearity compensation for reception of OFDM signals
CN105227507B (zh) * 2014-06-13 2019-08-02 中兴通讯股份有限公司 非线性系统失真校正装置及方法
US9246523B1 (en) 2014-08-27 2016-01-26 MagnaCom Ltd. Transmitter signal shaping
US9735741B2 (en) * 2014-08-28 2017-08-15 Analog Devices Global Receivers for digital predistortion
US9191247B1 (en) 2014-12-09 2015-11-17 MagnaCom Ltd. High-performance sequence estimation system and method of operation
US9455760B1 (en) * 2015-07-02 2016-09-27 Xilinx, Inc. Waveform adaptable digital predistortion
KR102511295B1 (ko) * 2016-03-28 2023-03-17 삼성전자주식회사 무선 통신 시스템에서 신호 송신 장치 및 방법
KR101902943B1 (ko) * 2016-05-23 2018-10-02 주식회사 케이엠더블유 디지털 전치왜곡 장치를 위한 샘플 유효성 판별 방법 및 장치
JP6720697B2 (ja) * 2016-05-27 2020-07-08 日本電気株式会社 歪補償回路、歪補償方法及び送信装置
JP6738019B2 (ja) * 2016-10-21 2020-08-12 アイコム株式会社 送信機および歪補正方法
US10097141B1 (en) * 2017-06-06 2018-10-09 Intel Corporation Digital predistortion tailored to specified frequencies in the power amplifier (PA) output spectrum
WO2018224161A1 (en) * 2017-06-09 2018-12-13 Nokia Technologies Oy Reducing distortions in amplified signals to be radiated by an antenna
US10469109B2 (en) * 2017-09-19 2019-11-05 Qualcomm Incorporated Predistortion for transmitter with array
US10924068B2 (en) * 2019-02-27 2021-02-16 Texas Instruments Incorporated Digital predistortion calibration
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
US11271601B1 (en) 2020-10-19 2022-03-08 Honeywell International Inc. Pre-distortion pattern recognition

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US7149257B2 (en) * 2003-07-03 2006-12-12 Powerwave Technologies, Inc. Digital predistortion system and method for correcting memory effects within an RF power amplifier
US7915954B2 (en) * 2004-01-16 2011-03-29 Qualcomm, Incorporated Amplifier predistortion and autocalibration method and apparatus
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KR100724934B1 (ko) * 2004-05-11 2007-06-04 삼성전자주식회사 광대역 전력 증폭기를 위한 디지털 전치 왜곡 장치 및 방법
KR101050659B1 (ko) * 2004-05-11 2011-07-19 삼성전자주식회사 이동통신 시스템의 전송신호와 궤환신호 간의 샘플 지연 추정 방법 및 장치와 이를 이용한 기지국 송신기
US7151405B2 (en) * 2004-07-14 2006-12-19 Raytheon Company Estimating power amplifier non-linearity in accordance with memory depth
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US7288988B2 (en) 2005-04-13 2007-10-30 Powerwave Technologies, Inc. Adaptive predistortion linearized amplifier system employing selective sampling
JP4951238B2 (ja) * 2005-12-27 2012-06-13 パナソニック株式会社 極座標変調送信装置及び適応歪補償処理システム並びに極座標変調送信方法及び適応歪補償処理方法
US20080130785A1 (en) * 2006-12-04 2008-06-05 Raytheon Company Frequency and temperature dependent pre-distortion
CN101388649B (zh) * 2008-10-13 2010-08-11 电子科技大学 一种低非线性功率放大器
US8170508B2 (en) * 2009-05-07 2012-05-01 Rockstar Bidco Lp Pre-distortion for a radio frequency power amplifier

Also Published As

Publication number Publication date
US8170508B2 (en) 2012-05-01
KR101715422B1 (ko) 2017-03-10
EP2430748B1 (en) 2013-09-04
CN102414983A (zh) 2012-04-11
US20130257530A1 (en) 2013-10-03
KR20120026527A (ko) 2012-03-19
WO2010128160A1 (en) 2010-11-11
JP2012526440A (ja) 2012-10-25
CN102414983B (zh) 2015-05-20
US20100283540A1 (en) 2010-11-11
US8494463B2 (en) 2013-07-23
RU2564680C2 (ru) 2015-10-10
JP5753531B2 (ja) 2015-07-22
EP2430748A1 (en) 2012-03-21
US20130009702A1 (en) 2013-01-10
US20120256687A1 (en) 2012-10-11
US8412133B2 (en) 2013-04-02
US8843089B2 (en) 2014-09-23
CA2777469C (en) 2018-08-14
RU2011149732A (ru) 2013-06-27
CA2777469A1 (en) 2010-11-11

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Legal Events

Date Code Title Description
B06F Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]
B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B11D Dismissal acc. art. 38, par 2 of ipl - failure to pay fee after grant in time