JP5011317B2 - 信号のピーク・トゥ・アベレージ電力比の低減 - Google Patents

信号のピーク・トゥ・アベレージ電力比の低減 Download PDF

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Publication number
JP5011317B2
JP5011317B2 JP2008556357A JP2008556357A JP5011317B2 JP 5011317 B2 JP5011317 B2 JP 5011317B2 JP 2008556357 A JP2008556357 A JP 2008556357A JP 2008556357 A JP2008556357 A JP 2008556357A JP 5011317 B2 JP5011317 B2 JP 5011317B2
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Japan
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signal
frequency range
clip information
input signal
amplitude
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Expired - Fee Related
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JP2008556357A
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Japanese (ja)
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JP2009527988A5 (enExample
JP2009527988A (ja
Inventor
モズリー，ウィリアム，エイチ
コールマン，ウィリアム，イー
グラウドマンズ，マーク，エイ
ピーターソン，ブロー，ダブリュ
パテル，ジャヤンティ
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Raytheon Co
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Raytheon Co
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    • 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
    • H04L27/2624—Reduction thereof by clipping by soft clipping

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Transmitters (AREA)
  • Amplifiers (AREA)
  • Noise Elimination (AREA)
JP2008556357A 2006-02-23 2007-02-16 信号のピーク・トゥ・アベレージ電力比の低減 Expired - Fee Related JP5011317B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US11/361,641 2006-02-23
US11/361,641 US7664472B2 (en) 2006-02-23 2006-02-23 Reducing the peak-to-average power ratio of a signal
PCT/US2007/004038 WO2007100507A2 (en) 2006-02-23 2007-02-16 Reducing the peak-to-average power ratio of a signal

Publications (3)

Publication Number Publication Date
JP2009527988A JP2009527988A (ja) 2009-07-30
JP2009527988A5 JP2009527988A5 (enExample) 2010-04-02
JP5011317B2 true JP5011317B2 (ja) 2012-08-29

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JP2008556357A Expired - Fee Related JP5011317B2 (ja) 2006-02-23 2007-02-16 信号のピーク・トゥ・アベレージ電力比の低減

Country Status (4)

Country Link
US (1) US7664472B2 (enExample)
EP (1) EP1992073A2 (enExample)
JP (1) JP5011317B2 (enExample)
WO (1) WO2007100507A2 (enExample)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4653724B2 (ja) * 2006-11-30 2011-03-16 富士通株式会社 信号の帯域外電力を抑圧する送信機
KR100854064B1 (ko) * 2006-12-05 2008-08-25 한국전자통신연구원 직교 주파수 분할 다중화 시스템에서 ｐａｐｒ감소를 위한송신장치 및 방법
JP5146144B2 (ja) 2008-06-24 2013-02-20 富士通株式会社 ピーク抑圧装置、ピーク抑圧方法および無線通信装置
JP5470942B2 (ja) * 2009-03-18 2014-04-16 富士通株式会社 位相同期装置およびデジタルコヒーレント光受信器
US8185065B2 (en) * 2009-10-15 2012-05-22 Crestcom, Inc. Transmitting unit that reduces PAPR using out-of-band distortion and method therefor
US8483296B2 (en) * 2009-11-25 2013-07-09 King Fahd University Of Petroleum And Minerals OFDM peak-to-average power ratio reduction method
GB2477986C (en) * 2010-02-22 2013-12-25 Toshiba Res Europ Ltd Method and apparatus for crest factor reduction

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2758030B1 (fr) 1996-12-31 1999-03-26 Sgs Thomson Microelectronics Procede et dispositif de mise en forme d'un bruit d'ecretage d'une modulation multiporteuse
US6504862B1 (en) * 1999-06-02 2003-01-07 Nortel Networks Limited Method and apparatus for reducing the ratio of peak to average power in a Gaussian signal including a CDMA signal
GB0015236D0 (en) 2000-06-21 2000-08-16 Element 14 Inc Processing of multi-carrier signal
US6931079B1 (en) * 2000-06-21 2005-08-16 Broadcom Corporation Power reduction
WO2003075457A2 (en) * 2002-03-01 2003-09-12 Andrew Corporation Apparatus and method for reducing peak-to-average signal power ratio
JP3693331B2 (ja) * 2002-10-23 2005-09-07 株式会社日立国際電気 マルチキャリア信号生成装置
US6888393B2 (en) * 2002-09-04 2005-05-03 Hitachi Kokusai Electric, Inc. Amplitude limiting apparatus and multi-carrier signal generating apparatus
US7013161B2 (en) * 2002-09-24 2006-03-14 Nortel Networks Limited Peak power reduction using windowing and filtering
US20040076247A1 (en) 2002-10-22 2004-04-22 Wiseband Communications Ltd. Peak-to-average power ratio modifier
JPWO2006025213A1 (ja) * 2004-08-30 2008-05-08 松下電器産業株式会社 ピーク電力抑圧装置およびピーク電力抑圧方法
US7675982B2 (en) * 2005-11-28 2010-03-09 Mitsubishi Electric Research Laboratories, Inc. Method and system for reducing peak-to-average power for OFDM signals
US7583583B2 (en) * 2005-12-15 2009-09-01 Nortel Networks Limited System and method for reducing peak-to-average power ratio in orthogonal frequency division multiplexing signals using reserved spectrum

Also Published As

Publication number Publication date
WO2007100507A2 (en) 2007-09-07
JP2009527988A (ja) 2009-07-30
US20070197210A1 (en) 2007-08-23
EP1992073A2 (en) 2008-11-19
US7664472B2 (en) 2010-02-16
WO2007100507A3 (en) 2007-11-01

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