JP5010399B2 - 直交多重信号のピーク抑圧方法、ピーク抑圧回路、及び送信装置 - Google Patents

直交多重信号のピーク抑圧方法、ピーク抑圧回路、及び送信装置 Download PDF

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Publication number
JP5010399B2
JP5010399B2 JP2007222820A JP2007222820A JP5010399B2 JP 5010399 B2 JP5010399 B2 JP 5010399B2 JP 2007222820 A JP2007222820 A JP 2007222820A JP 2007222820 A JP2007222820 A JP 2007222820A JP 5010399 B2 JP5010399 B2 JP 5010399B2
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Japan
Prior art keywords
peak
signal
orthogonal
unit
waveform
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Expired - Fee Related
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JP2007222820A
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English (en)
Japanese (ja)
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JP2009055558A5 (enExample
JP2009055558A (ja
Inventor
隆 矢野
茂規 早瀬
昌志 内藤
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kokusai Denki Electric Inc
Original Assignee
Hitachi Kokusai Electric Inc
Kokusai Denki Electric Inc
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Application filed by Hitachi Kokusai Electric Inc, Kokusai Denki Electric Inc filed Critical Hitachi Kokusai Electric Inc
Priority to JP2007222820A priority Critical patent/JP5010399B2/ja
Priority to CN2008101459936A priority patent/CN101378377B/zh
Priority to US12/199,595 priority patent/US8111778B2/en
Publication of JP2009055558A publication Critical patent/JP2009055558A/ja
Publication of JP2009055558A5 publication Critical patent/JP2009055558A5/ja
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/26Systems using multi-frequency codes
    • H04L27/2601Multicarrier modulation systems
    • H04L27/2614Peak power aspects
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/26Systems using multi-frequency codes
    • H04L27/2601Multicarrier modulation systems
    • H04L27/2614Peak power aspects
    • H04L27/2618Reduction thereof using auxiliary subcarriers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/26Systems using multi-frequency codes
    • H04L27/2601Multicarrier modulation systems
    • H04L27/2614Peak power aspects
    • H04L27/2623Reduction thereof by clipping
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/26Systems using multi-frequency codes
    • H04L27/2601Multicarrier modulation systems
    • H04L27/2614Peak power aspects
    • H04L27/2623Reduction thereof by clipping
    • H04L27/2624Reduction thereof by clipping by soft clipping

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Transmitters (AREA)
JP2007222820A 2007-08-29 2007-08-29 直交多重信号のピーク抑圧方法、ピーク抑圧回路、及び送信装置 Expired - Fee Related JP5010399B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2007222820A JP5010399B2 (ja) 2007-08-29 2007-08-29 直交多重信号のピーク抑圧方法、ピーク抑圧回路、及び送信装置
CN2008101459936A CN101378377B (zh) 2007-08-29 2008-08-22 正交多路复用信号的峰值抑制方法、峰值抑制电路及发送装置
US12/199,595 US8111778B2 (en) 2007-08-29 2008-08-27 Method for suppressing peak power of orthogonally multiplex signal, peak power suppressing circuit, and transmitter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2007222820A JP5010399B2 (ja) 2007-08-29 2007-08-29 直交多重信号のピーク抑圧方法、ピーク抑圧回路、及び送信装置

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2012083535A Division JP5339102B2 (ja) 2012-04-02 2012-04-02 ピーク抑圧回路、及び、無線送信機

Publications (3)

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JP2009055558A JP2009055558A (ja) 2009-03-12
JP2009055558A5 JP2009055558A5 (enExample) 2010-06-24
JP5010399B2 true JP5010399B2 (ja) 2012-08-29

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JP2007222820A Expired - Fee Related JP5010399B2 (ja) 2007-08-29 2007-08-29 直交多重信号のピーク抑圧方法、ピーク抑圧回路、及び送信装置

Country Status (3)

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US (1) US8111778B2 (enExample)
JP (1) JP5010399B2 (enExample)
CN (1) CN101378377B (enExample)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009043172A1 (en) 2007-10-04 2009-04-09 Nortel Networks Limited Method and system for adaptive peak to average power ratio reduction in ofdm communication networks
JP5379373B2 (ja) * 2007-11-19 2013-12-25 英樹 熊谷 ノイズ電波の自動分離検出装置
JP2012531127A (ja) * 2009-06-22 2012-12-06 アルカテル−ルーセント 送信のためにアグリゲートされるコンポーネント・キャリアを処理するための方法および装置
CN102687476B (zh) 2009-06-26 2017-06-30 普拉斯N有限责任公司 用于控制组合无线信号的系统和方法
JP5212402B2 (ja) * 2010-02-24 2013-06-19 住友電気工業株式会社 ピーク電力抑制回路とこの回路を有する通信装置
CN102111368B (zh) * 2010-02-25 2013-07-24 电信科学技术研究院 一种信号波峰削除的方法及设备
GB201005162D0 (en) * 2010-03-29 2010-05-12 Cambridge Silicon Radio Ltd An efficient ofdm peak reduction algorithm
JP2012209703A (ja) * 2011-03-29 2012-10-25 Fujitsu Semiconductor Ltd 送信機
CN202276359U (zh) * 2011-10-20 2012-06-13 中兴通讯股份有限公司 削峰装置及移动通信系统
KR20140092852A (ko) * 2011-10-27 2014-07-24 엘에스아이 코포레이션 Fir 필터링을 위한 벡터 콘볼루션 함수와 함께 명령어 집합을 갖는 벡터 프로세서
US8787873B1 (en) 2011-11-04 2014-07-22 Plusn Llc System and method for communicating using bandwidth on demand
JP6077213B2 (ja) * 2012-02-03 2017-02-08 株式会社日立国際電気 ピーク低減装置
JP2014192648A (ja) * 2013-03-27 2014-10-06 Nec Corp ピーク低減回路及びピーク低減方法
CA2931398A1 (en) 2013-11-26 2015-06-04 Plusn, Llc System and method for radio frequency carrier aggregation
JP6526448B2 (ja) 2015-03-05 2019-06-05 富士通株式会社 ピーク抑圧装置およびピーク抑圧方法
JP2016178364A (ja) * 2015-03-18 2016-10-06 日本電気株式会社 送信機、無線通信システム、送信機の制御方法、プログラム
CN106558041A (zh) * 2015-09-29 2017-04-05 中国疾病预防控制中心传染病预防控制所 凝胶电泳数字图像中基于局部抑制的条带探测算法
US9838137B2 (en) 2015-12-18 2017-12-05 Fujitsu Limited Device and method for transmitting optical signal in which a plurality of signals are multiplexed
US9848342B1 (en) * 2016-07-20 2017-12-19 Ccip, Llc Excursion compensation in multipath communication systems having performance requirements parameters
US11729038B2 (en) * 2020-06-04 2023-08-15 Qualcomm Incorporated Reducing amplitude signaling overhead in peak suppression information

Family Cites Families (15)

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Publication number Priority date Publication date Assignee Title
JP3548657B2 (ja) 1996-10-17 2004-07-28 株式会社日立製作所 多重信号の送信装置
US6424681B1 (en) * 1998-04-20 2002-07-23 The Board Of Trustees Of The Leland Stanford Junior University Peak to average power ratio reduction
CN1874330A (zh) * 2000-06-20 2006-12-06 电力波技术公司 多路载波通信系统中减小峰值功率的系统和方法
JP3407253B2 (ja) * 2001-06-20 2003-05-19 富士通株式会社 ピーク抑圧方法及びデータ伝送装置
JP3702829B2 (ja) 2001-10-16 2005-10-05 株式会社日立製作所 ピークファクタ低減装置
JP4090231B2 (ja) 2001-11-01 2008-05-28 株式会社ルネサステクノロジ 半導体集積回路装置
JP4118584B2 (ja) * 2002-04-02 2008-07-16 三菱電機株式会社 マルチキャリア送信装置
CN1659817B (zh) * 2002-09-12 2010-06-09 松下电器产业株式会社 无线电发送设备、无线电接收设备和选择发送对消副载波的方法
GB2401516A (en) 2003-04-17 2004-11-10 Univ Southampton Peak-to-average power ratio reduction by subtracting shaped pulses from a baseband signal
US20070121738A1 (en) 2003-09-30 2007-05-31 Matsushita Electric Industrial Co., Ltd. Transmission apparatus and peak suppression method
CN1886923A (zh) * 2003-12-02 2006-12-27 松下电器产业株式会社 多载波通信中的无线发送装置及峰值功率的抑制方法
CN100502378C (zh) * 2005-07-15 2009-06-17 北京大学深圳研究生院 正交频分复用系统中抑制峰平比的电路和方法
US7792200B2 (en) * 2005-11-14 2010-09-07 Telefonaltiebolaget Lm Ericsson (Publ) Peak-to-average power reduction
WO2007091434A1 (ja) * 2006-02-06 2007-08-16 Matsushita Electric Industrial Co., Ltd. Ofdm送信装置およびその制御方法
US8311148B2 (en) 2007-06-29 2012-11-13 Nec Corporation Transmission signal generating apparatus, method, and program

Also Published As

Publication number Publication date
US8111778B2 (en) 2012-02-07
CN101378377B (zh) 2012-07-04
JP2009055558A (ja) 2009-03-12
CN101378377A (zh) 2009-03-04
US20090060073A1 (en) 2009-03-05

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