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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JP
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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JP2009055558A (ja
JP2009055558A5 (enExample
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
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
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
Application granted granted Critical
Publication of JP5010399B2 publication Critical patent/JP5010399B2/ja
Expired - Fee Related legal-status Critical Current
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Classifications

    • 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
    • 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
    • H04L27/2618—Reduction thereof using auxiliary subcarriers
    • 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
    • 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)
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)

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

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Family Applications (1)

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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)

Country Link
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
EP2206307B1 (en) * 2007-10-04 2013-01-09 Apple Inc. 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
WO2010148530A1 (zh) * 2009-06-22 2010-12-29 上海贝尔股份有限公司 用于处理要聚合发送的分量载波的方法和设备
CA2763134C (en) 2009-06-26 2021-01-19 Hypres, Inc. System and method for controlling combined radio signals
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
CN109144570A (zh) 2011-10-27 2019-01-04 英特尔公司 具有带有复数指数非线性函数的指令集的数字处理器
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
KR102283357B1 (ko) 2013-11-26 2021-07-28 플러스엔, 엘엘씨 무선 주파수 캐리어 집성을 위한 시스템 및 방법
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
CN100525167C (zh) * 2000-06-20 2009-08-05 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
AU2003262010A1 (en) * 2002-09-12 2004-04-30 Matsushita Electric Industrial Co., Ltd. Radio transmission device, radio reception device, and method for selecting transmission cancel subcarriers
GB2401516A (en) * 2003-04-17 2004-11-10 Univ Southampton Peak-to-average power ratio reduction by subtracting shaped pulses from a baseband signal
CN1849763A (zh) * 2003-09-30 2006-10-18 松下电器产业株式会社 发送装置以及峰值抑制方法
WO2005055479A1 (ja) * 2003-12-02 2005-06-16 Matsushita Electric Industrial Co., Ltd. マルチキャリア伝送における無線送信装置およびピーク電力抑圧方法
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
CN101689955B (zh) * 2007-06-29 2013-03-20 日本电气株式会社 发送信号生成装置、方法

Also Published As

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

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