DE602006005223D1 - Verfahren und entsprechende Vorrichtung zur Spitzenwertunterdrückung - Google Patents
Verfahren und entsprechende Vorrichtung zur SpitzenwertunterdrückungInfo
- Publication number
- DE602006005223D1 DE602006005223D1 DE602006005223T DE602006005223T DE602006005223D1 DE 602006005223 D1 DE602006005223 D1 DE 602006005223D1 DE 602006005223 T DE602006005223 T DE 602006005223T DE 602006005223 T DE602006005223 T DE 602006005223T DE 602006005223 D1 DE602006005223 D1 DE 602006005223D1
- Authority
- DE
- Germany
- Prior art keywords
- corresponding apparatus
- peak suppression
- suppression
- peak
- Prior art date
- Legal status (The legal status 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 status listed.)
- Active
Links
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
- H04L27/2623—Reduction thereof by clipping
- H04L27/2624—Reduction thereof by clipping by soft clipping
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006075213A JP4750592B2 (ja) | 2006-03-17 | 2006-03-17 | ピーク抑圧方法、ピーク抑圧装置、無線送信装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
DE602006005223D1 true DE602006005223D1 (de) | 2009-04-02 |
Family
ID=38069086
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE602006005223T Active DE602006005223D1 (de) | 2006-03-17 | 2006-06-29 | Verfahren und entsprechende Vorrichtung zur Spitzenwertunterdrückung |
Country Status (4)
Country | Link |
---|---|
US (1) | US7839949B2 (de) |
EP (1) | EP1835678B1 (de) |
JP (1) | JP4750592B2 (de) |
DE (1) | DE602006005223D1 (de) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8165539B2 (en) * | 2006-07-03 | 2012-04-24 | Telefonaktiebolaget L M Ericsson (Publ) | Apparatuses and a method for reducing peak power in telecommunications systems |
EP2541860B1 (de) * | 2007-10-04 | 2015-03-11 | Apple Inc. | Verfahren und System zur adaptiven Spitzen- und Durchschnittsleistungsverringerung in OFDM-Kommunikationsnetzwerken |
JP5125797B2 (ja) * | 2008-06-19 | 2013-01-23 | 富士通株式会社 | 振幅抑圧装置および信号送信装置 |
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 |
US8265196B2 (en) * | 2008-12-23 | 2012-09-11 | Texas Instruments Incorporated | Noise injection circuit and method for signal processing |
CN101510866B (zh) * | 2008-12-31 | 2012-07-04 | 华为技术有限公司 | 一种抑制信号峰均功率比的方法、装置及发射机 |
US8607057B2 (en) * | 2009-05-15 | 2013-12-10 | Microsoft Corporation | Secure outsourced aggregation with one-way chains |
KR101714784B1 (ko) * | 2010-01-25 | 2017-03-10 | 삼성전자주식회사 | 피크 윈도윙을 이용한 피크대평균전력비 감소 방법 및 장치 |
CN102223337B (zh) * | 2010-04-16 | 2014-04-16 | 华为技术有限公司 | 基准对消信号生成方法和装置 |
EP2429141B1 (de) * | 2010-09-10 | 2013-03-27 | Cassidian SAS | PAPR Reduzierung durch Nutzung einer Begrenzungsfunktion, die von Spitzenamplitude und Breite der Spitze abhängt |
US8594590B2 (en) * | 2010-12-31 | 2013-11-26 | Motorola Solutions, Inc. | Method for controlling peak-to-average power ratio of single carrier FDMA system |
WO2014141335A1 (ja) * | 2013-03-15 | 2014-09-18 | 日本電気株式会社 | 通信装置及びそのピーク抑圧方法 |
US9160594B1 (en) | 2014-07-28 | 2015-10-13 | Xilinx, Inc. | Peak detection in signal processing |
US9054928B1 (en) * | 2014-07-28 | 2015-06-09 | Xilinx, Inc. | Crest factor reduction |
CN104767493B (zh) * | 2015-02-28 | 2018-01-23 | 联想(北京)有限公司 | 一种信息处理方法及系统 |
US10044543B2 (en) * | 2015-07-30 | 2018-08-07 | Futurewei Technologies, Inc. | Reducing crest factors |
JP7035913B2 (ja) * | 2018-08-31 | 2022-03-15 | 富士通株式会社 | ピーク抑圧回路、ピーク抑圧方法、および送信装置 |
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 |
EP3716559B1 (de) * | 2019-03-25 | 2023-08-30 | Shenzhen Goodix Technology Co., Ltd. | Verfahren zur reduzierung der signalspitze auf die mittlere leistung eines eingangssignals einer sendevorrichtung |
Family Cites Families (54)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5287387A (en) * | 1992-03-06 | 1994-02-15 | Motorola, Inc. | Low splatter peak-to-average signal reduction |
JP2787894B2 (ja) * | 1994-05-30 | 1998-08-20 | 日本電気株式会社 | マルチキャリアディジタル変調用包絡線制御変調装置 |
US5638403A (en) * | 1995-04-28 | 1997-06-10 | Motorola, Inc. | Low-splatter peak-to-average signal reduction with interpolation |
US5621762A (en) * | 1995-06-12 | 1997-04-15 | Motorola, Inc. | Radio with peak power and bandwidth efficient modulation |
US5727026A (en) * | 1995-11-15 | 1998-03-10 | Motorola, Inc. | Method and apparatus for peak suppression using complex scaling values |
CN1171422C (zh) * | 1996-11-19 | 2004-10-13 | 松下电器产业株式会社 | 发信装置 |
US6175551B1 (en) * | 1997-07-31 | 2001-01-16 | Lucent Technologies, Inc. | Transmission system and method employing peak cancellation to reduce the peak-to-average power ratio |
US6130918A (en) * | 1997-12-01 | 2000-10-10 | Nortel Networks Limited | Method and apparatus for reducing the peak-to-average ratio in a multicarrier communication system |
US6075411A (en) * | 1997-12-22 | 2000-06-13 | Telefonaktiebolaget Lm Ericsson | Method and apparatus for wideband predistortion linearization |
US6363109B1 (en) * | 1998-02-03 | 2002-03-26 | Texas Instruments Incorporated | Methods and device for estimating and correcting clipping in a discrete multi-tone communications system |
US6175270B1 (en) * | 1998-03-05 | 2001-01-16 | Lucent Technologies Inc. | Method and apparatus for tailored distortion of a signal prior to amplification to reduce clipping |
JP3462388B2 (ja) * | 1998-04-28 | 2003-11-05 | 松下電器産業株式会社 | 無線通信装置 |
US6175602B1 (en) * | 1998-05-27 | 2001-01-16 | Telefonaktiebolaget Lm Ericsson (Publ) | Signal noise reduction by spectral subtraction using linear convolution and casual filtering |
US6600792B2 (en) * | 1998-06-26 | 2003-07-29 | Qualcomm Incorporated | Predistortion technique for high power amplifiers |
US6356606B1 (en) * | 1998-07-31 | 2002-03-12 | Lucent Technologies Inc. | Device and method for limiting peaks of a signal |
US6931053B2 (en) * | 1998-11-27 | 2005-08-16 | Nortel Networks Limited | Peak power and envelope magnitude regulators and CDMA transmitters featuring such regulators |
US6236864B1 (en) * | 1998-11-27 | 2001-05-22 | Nortel Networks Limited | CDMA transmit peak power reduction |
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 |
US6492867B2 (en) * | 2000-03-10 | 2002-12-10 | Paragon Communications Ltd. | Method and apparatus for improving the efficiency of power amplifiers, operating under a large peak-to-average ratio |
US6407634B1 (en) * | 2000-06-16 | 2002-06-18 | Motorola, Inc. | Linear envelope tracking RF power amplifier with adaptive analog signal processing |
US6931079B1 (en) * | 2000-06-21 | 2005-08-16 | Broadcom Corporation | Power reduction |
JP3483838B2 (ja) * | 2000-08-31 | 2004-01-06 | 松下電器産業株式会社 | マルチキャリア伝送装置 |
GB2367212B (en) * | 2000-09-20 | 2004-07-07 | Nec Technologies | Evaluation of UMTS mobile receiver reference |
IT1318964B1 (it) * | 2000-10-04 | 2003-09-19 | Cit Alcatel | Metodo per ridurre il rapporto tra potenza di picco e potenza media diun segnale multiportante generato da traformata di fourier in sistemi |
JP3478496B2 (ja) * | 2000-11-24 | 2003-12-15 | 松下電器産業株式会社 | 送信電力制御方法及びその装置並びに通信装置 |
WO2002071936A1 (en) * | 2001-03-09 | 2002-09-19 | Auckland Uniservices Limited | Apparatus and method for detection and quantification of oscillatory signals |
US7151759B1 (en) * | 2001-03-19 | 2006-12-19 | Cisco Systems Wireless Networking (Australia) Pty Limited | Automatic gain control and low power start-of-packet detection for a wireless LAN receiver |
US6741661B2 (en) * | 2001-05-22 | 2004-05-25 | Qualcomm Incorporated | Method and apparatus for peak-to-average power reduction |
US20020191705A1 (en) * | 2001-06-05 | 2002-12-19 | Melsa Peter J. | Method and apparatus for peak prediction enabling peak-to-average ratio (PAR) reduction |
US7266354B2 (en) * | 2001-06-25 | 2007-09-04 | Telefonaktiebolaget Lm Ericsson (Publ) | Reducing the peak-to-average power ratio of a communication signal |
US7170952B2 (en) * | 2001-07-02 | 2007-01-30 | Powerwave Technologies, Inc. | System and method for post filtering peak power reduction in communications systems |
US6931239B2 (en) * | 2001-07-30 | 2005-08-16 | Hitachi Kokusai Electric Inc. | Peak limiter and multi-carrier amplification apparatus |
US7095798B2 (en) * | 2001-08-02 | 2006-08-22 | Powerwave Technologies, Inc. | System and method for post filtering peak power reduction in multi-carrier communications systems |
US20030067990A1 (en) * | 2001-10-01 | 2003-04-10 | Bryant Paul Henry | Peak to average power ratio reduction in a digitally-modulated signal |
FI20012059A0 (fi) * | 2001-10-24 | 2001-10-24 | Nokia Corp | Menetelmä ja järjestely signaalin rajoittamiseksi radiolähettimessä |
KR20030037108A (ko) * | 2001-11-02 | 2003-05-12 | 엘지전자 주식회사 | 이동통신 기지국 송신부의 피크 제거 장치 |
US20030086507A1 (en) * | 2001-11-07 | 2003-05-08 | Jaehyeong Kim | Peak limiting architecture and method |
US6983026B2 (en) * | 2002-03-19 | 2006-01-03 | Motorola, Inc. | Method and apparatus using base band transformation to improve transmitter performance |
US6891902B2 (en) | 2002-07-02 | 2005-05-10 | Intel Corporation | System and method for adjusting a power level of a transmission signal |
JP4288458B2 (ja) * | 2002-08-22 | 2009-07-01 | 日本電気株式会社 | 振幅制限回路及びcdma通信装置 |
US7013161B2 (en) * | 2002-09-24 | 2006-03-14 | Nortel Networks Limited | Peak power reduction using windowing and filtering |
GB2401516A (en) * | 2003-04-17 | 2004-11-10 | Univ Southampton | Peak-to-average power ratio reduction by subtracting shaped pulses from a baseband signal |
JP3927521B2 (ja) | 2003-06-27 | 2007-06-13 | 株式会社日立国際電気 | 送信機 |
US7251463B2 (en) * | 2003-06-30 | 2007-07-31 | Crestcom, Inc. | Methods and apparatus for controlling signals |
US7295816B2 (en) * | 2003-06-30 | 2007-11-13 | Crestcom, Inc. | Methods and apparatus for controlling signals |
US7042287B2 (en) * | 2003-07-23 | 2006-05-09 | Northrop Grumman Corporation | System and method for reducing dynamic range and improving linearity in an amplication system |
US7409617B2 (en) * | 2004-09-30 | 2008-08-05 | Credence Systems Corporation | System for measuring characteristics of a digital signal |
US7480234B1 (en) * | 2003-10-31 | 2009-01-20 | Cisco Technology, Inc. | Initial timing estimation in a wireless network receiver |
JP2005269550A (ja) * | 2004-03-22 | 2005-09-29 | Matsushita Electric Ind Co Ltd | ピーク電力抑圧装置およびピーク電力抑圧方法 |
JP4469685B2 (ja) * | 2004-08-25 | 2010-05-26 | 富士通株式会社 | 出力電力誤差吸収回路及び同回路を有するマルチキャリア送信機 |
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 |
KR100882529B1 (ko) * | 2005-04-20 | 2009-02-06 | 삼성전자주식회사 | 광대역 무선통신시스템에서 피크 전력 대 평균 전력비를감소하기 위한 장치 및 방법 |
JP2007194825A (ja) * | 2006-01-18 | 2007-08-02 | Fujitsu Ltd | マルチキャリア信号送信装置 |
JP4829705B2 (ja) * | 2006-07-12 | 2011-12-07 | 富士通株式会社 | ピーク抑圧制御装置 |
-
2006
- 2006-03-17 JP JP2006075213A patent/JP4750592B2/ja not_active Expired - Fee Related
- 2006-06-29 EP EP06253417A patent/EP1835678B1/de not_active Ceased
- 2006-06-29 DE DE602006005223T patent/DE602006005223D1/de active Active
- 2006-07-07 US US11/482,618 patent/US7839949B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US7839949B2 (en) | 2010-11-23 |
US20070217543A1 (en) | 2007-09-20 |
JP2007251810A (ja) | 2007-09-27 |
EP1835678B1 (de) | 2009-02-18 |
EP1835678A1 (de) | 2007-09-19 |
JP4750592B2 (ja) | 2011-08-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8328 | Change in the person/name/address of the agent |
Representative=s name: SEEGER SEEGER LINDNER PARTNERSCHAFT PATENTANWAELTE |