JP6374596B2 - 波高率低減 - Google Patents

波高率低減 Download PDF

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Publication number
JP6374596B2
JP6374596B2 JP2017504028A JP2017504028A JP6374596B2 JP 6374596 B2 JP6374596 B2 JP 6374596B2 JP 2017504028 A JP2017504028 A JP 2017504028A JP 2017504028 A JP2017504028 A JP 2017504028A JP 6374596 B2 JP6374596 B2 JP 6374596B2
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Japan
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peak
filter
gain
window
input signal
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JP2017504028A
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Japanese (ja)
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JP2017528047A (ja
JP2017528047A5 (cg-RX-API-DMAC7.html
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グレゴリー シー． コープランド，
グレゴリー シー． コープランド，
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Xilinx Inc
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Xilinx Inc
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/02—Transmitters
    • H04B1/04—Circuits
    • H04B1/0475—Circuits with means for limiting noise, interference or distortion
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2614—Peak power aspects
    • H04L27/2623—Reduction thereof by clipping
    • 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
    • H03F1/3258—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits based on polynomial terms
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
    • H03F3/24—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers of transmitter output stages
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2201/00—Indexing scheme relating to details of transmission systems not covered by a single group of H04B3/00 - H04B13/00
    • H04B2201/69—Orthogonal indexing scheme relating to spread spectrum techniques in general
    • H04B2201/707—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation
    • H04B2201/70706—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation with means for reducing the peak-to-average power ratio

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Algebra (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
  • Measurement Of Radiation (AREA)
  • Measurement Of Current Or Voltage (AREA)
JP2017504028A 2014-07-28 2015-05-28 波高率低減 Active JP6374596B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US14/444,612 US9054928B1 (en) 2014-07-28 2014-07-28 Crest factor reduction
US14/444,612 2014-07-28
PCT/US2015/032833 WO2016018501A1 (en) 2014-07-28 2015-05-28 Crest factor reduction

Publications (3)

Publication Number Publication Date
JP2017528047A JP2017528047A (ja) 2017-09-21
JP2017528047A5 JP2017528047A5 (cg-RX-API-DMAC7.html) 2018-07-05
JP6374596B2 true JP6374596B2 (ja) 2018-08-15

Family

ID=53268022

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2017504028A Active JP6374596B2 (ja) 2014-07-28 2015-05-28 波高率低減

Country Status (6)

Country Link
US (1) US9054928B1 (cg-RX-API-DMAC7.html)
EP (1) EP3175594B1 (cg-RX-API-DMAC7.html)
JP (1) JP6374596B2 (cg-RX-API-DMAC7.html)
KR (1) KR102227922B1 (cg-RX-API-DMAC7.html)
CN (1) CN106576088B (cg-RX-API-DMAC7.html)
WO (1) WO2016018501A1 (cg-RX-API-DMAC7.html)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105119867A (zh) * 2015-08-27 2015-12-02 三维通信股份有限公司 一种适用于多制式多载波的cfr方法及通信装置
US10944606B2 (en) * 2015-12-23 2021-03-09 Telefonaktiebolaget Lm Ericsson (Publ) Error scaling in crest factor reduction
US9595990B1 (en) 2016-05-18 2017-03-14 Xilinx, Inc. Circuit for and method of enabling the adaptation of an automatic gain control circuit
US10367670B2 (en) 2017-01-25 2019-07-30 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for crest factor reduction
US10623222B2 (en) 2018-08-30 2020-04-14 Xilinx, Inc. Vectorized peak detection for signal processing
CN109274345B (zh) * 2018-11-14 2023-11-03 上海艾为电子技术股份有限公司 一种信号处理方法、装置和系统
CN113852582A (zh) * 2021-09-16 2021-12-28 深圳市兆驰数码科技股份有限公司 自适应窗长的波峰因子降低方法、系统及存储介质
US11770284B1 (en) 2022-05-23 2023-09-26 Meta Platforms, Inc. Per carrier scaling of a cancellation pulse of a multi-carrier signal

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5638403A (en) * 1995-04-28 1997-06-10 Motorola, Inc. Low-splatter peak-to-average signal reduction with interpolation
EP1472786A2 (en) * 2002-01-24 2004-11-03 Koninklijke Philips Electronics N.V. A method for decreasing the dynamic range of a signal and electronic circuit
US7697591B2 (en) * 2002-08-26 2010-04-13 Texas Instruments Incorporated Crest factor reduction processor for wireless communications
US7013161B2 (en) * 2002-09-24 2006-03-14 Nortel Networks Limited Peak power reduction using windowing and filtering
WO2004051952A1 (en) * 2002-11-29 2004-06-17 Telefonaktiebolaget Lm Ericsson (Publ) Amplitude peak cancellation
DE10320917A1 (de) * 2003-05-09 2004-12-09 Infineon Technologies Ag Verfahren und Schaltung zur Crestfaktor-Reduzierung
KR20050087893A (ko) * 2004-02-27 2005-09-01 삼성전자주식회사 코드분할 다중접속 이동통신 시스템에서의 피크 전력 대평균전력 비 감소 장치 및 방법
JP4823013B2 (ja) 2006-10-18 2011-11-24 株式会社日立製作所 ピークファクタ低減装置およびベースバンド信号処理装置
US7616710B2 (en) 2004-12-08 2009-11-10 Electronics And Telecommunications Research Institute Frequency offset estimating method and receiver employing the same
JP2006174364A (ja) * 2004-12-20 2006-06-29 Fujitsu Ltd マルチキャリア信号送信装置、マルチキャリア信号受信装置、マルチキャリア信号送信方法、マルチキャリア信号受信方法、及び通信システム
US7634024B2 (en) * 2005-01-31 2009-12-15 Agere Systems Inc. Adaptive peak windowing for crest factor reduction in a communication system transmitter
JP4750592B2 (ja) * 2006-03-17 2011-08-17 富士通株式会社 ピーク抑圧方法、ピーク抑圧装置、無線送信装置
JP4625434B2 (ja) * 2006-08-10 2011-02-02 株式会社日立国際電気 送信機
US8369809B2 (en) * 2007-07-27 2013-02-05 Netlogic Microsystems, Inc. Crest factor reduction
US8259846B2 (en) * 2008-07-30 2012-09-04 Motorola Mobility Llc Apparatus and method for generating a multicarrier communication signal having a reduced crest factor
KR101452379B1 (ko) 2008-10-28 2014-10-23 삼성전자주식회사 이동통신 시스템에서 디지털 상향 변환기 장치 및 그 동작 방법
US8446202B2 (en) * 2008-12-22 2013-05-21 Nec Corporation Power limiting circuit
US8265196B2 (en) * 2008-12-23 2012-09-11 Texas Instruments Incorporated Noise injection circuit and method for signal processing

Also Published As

Publication number Publication date
CN106576088B (zh) 2017-12-01
JP2017528047A (ja) 2017-09-21
EP3175594A1 (en) 2017-06-07
CN106576088A (zh) 2017-04-19
US9054928B1 (en) 2015-06-09
KR102227922B1 (ko) 2021-03-12
WO2016018501A8 (en) 2017-01-12
KR20170039145A (ko) 2017-04-10
EP3175594B1 (en) 2024-02-14
WO2016018501A1 (en) 2016-02-04

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