FI20055012A0 - Lähetyssignaalin leikkaaminen - Google Patents
Lähetyssignaalin leikkaaminenInfo
- Publication number
- FI20055012A0 FI20055012A0 FI20055012A FI20055012A FI20055012A0 FI 20055012 A0 FI20055012 A0 FI 20055012A0 FI 20055012 A FI20055012 A FI 20055012A FI 20055012 A FI20055012 A FI 20055012A FI 20055012 A0 FI20055012 A0 FI 20055012A0
- Authority
- FI
- Finland
- Prior art keywords
- trimming
- broadcast signal
- broadcast
- signal
- Prior art date
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
-
- 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
- H03F1/02—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
- H03F1/0205—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers
-
- 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
-
- 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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2201/00—Indexing scheme relating to details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements covered by H03F1/00
- H03F2201/32—Indexing scheme relating to modifications of amplifiers to reduce non-linear distortion
- H03F2201/3236—A generated signal, e.g. a pulse or an inverted synchronous signal, being added to avoid certain conditions, e.g. clipping
-
- 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
- H04B2001/0408—Circuits with power amplifiers
- H04B2001/0416—Circuits with power amplifiers having gain or transmission power control
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Transmitters (AREA)
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI20055012A FI20055012A0 (fi) | 2005-01-07 | 2005-01-07 | Lähetyssignaalin leikkaaminen |
US11/074,006 US7643801B2 (en) | 2005-01-07 | 2005-03-08 | Clipping of transmission signal |
CN2006800019209A CN101103606B (zh) | 2005-01-07 | 2006-01-05 | 用于对发射信号进行削波的改进型方法和设备 |
PCT/FI2006/050009 WO2006072669A1 (en) | 2005-01-07 | 2006-01-05 | Clipping of transmission signal |
EP06700055.4A EP1834462B1 (en) | 2005-01-07 | 2006-01-05 | Clipping of transmission signal |
JP2007549926A JP4642863B2 (ja) | 2005-01-07 | 2006-01-05 | 送信信号の制限 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI20055012A FI20055012A0 (fi) | 2005-01-07 | 2005-01-07 | Lähetyssignaalin leikkaaminen |
Publications (1)
Publication Number | Publication Date |
---|---|
FI20055012A0 true FI20055012A0 (fi) | 2005-01-07 |
Family
ID=34112663
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI20055012A FI20055012A0 (fi) | 2005-01-07 | 2005-01-07 | Lähetyssignaalin leikkaaminen |
Country Status (4)
Country | Link |
---|---|
US (1) | US7643801B2 (ja) |
JP (1) | JP4642863B2 (ja) |
CN (1) | CN101103606B (ja) |
FI (1) | FI20055012A0 (ja) |
Families Citing this family (47)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2437352B (en) * | 2006-04-21 | 2011-06-29 | Tektronix Int Sales Gmbh | Constellation patterns |
KR20130050375A (ko) * | 2006-09-19 | 2013-05-15 | 에이저 시스템즈 엘엘시 | 높은 피크대 평균 전력비들로부터 유발되는 다중 반송파 변조된 신호들의 왜곡을 감소시키는 동적 선택 방법들 |
US7995975B2 (en) * | 2006-12-21 | 2011-08-09 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and apparatus for signal peak-to-average ratio reduction |
KR101343407B1 (ko) * | 2007-02-26 | 2013-12-20 | 삼성전자주식회사 | 부가 데이터 전송이 가능한 디지털 송신 시스템 및 그 방법 |
US8842758B2 (en) | 2009-02-11 | 2014-09-23 | Agere Systems Llc | Dynamically selecting methods to reduce distortion in multi-carrier modulated signals resulting from high peak-to-average power ratios |
US8406278B2 (en) * | 2009-06-01 | 2013-03-26 | At&T Intellectual Property I, L.P. | Narrowband interference rejection for ultra-wideband systems |
CN101582746B (zh) | 2009-06-22 | 2012-02-15 | 华为技术有限公司 | 发送信号的方法和装置 |
US8774315B2 (en) * | 2009-08-25 | 2014-07-08 | The Aerospace Corporation | Phase-optimized constant envelope transmission (POCET) method, apparatus and system |
US8185065B2 (en) * | 2009-10-15 | 2012-05-22 | Crestcom, Inc. | Transmitting unit that reduces PAPR using out-of-band distortion and method therefor |
KR101714784B1 (ko) * | 2010-01-25 | 2017-03-10 | 삼성전자주식회사 | 피크 윈도윙을 이용한 피크대평균전력비 감소 방법 및 장치 |
US8711760B2 (en) * | 2010-03-26 | 2014-04-29 | Intel Corporation | Method and apparatus to adjust received signal |
US8675751B2 (en) * | 2010-04-08 | 2014-03-18 | Comtech Ef Data Corp. | Meta-carrier embedding technique with improved performance for BPSK, MSK, and O-QPSK modulation |
JP2015080089A (ja) * | 2013-10-17 | 2015-04-23 | インターナショナル・ビジネス・マシーンズ・コーポレーションInternational Business Machines Corporation | 送信装置、通信システム、回路装置、通信方法およびプログラム(直流インバランスを補償するための強調された信号点配置操作) |
WO2015093772A1 (ko) | 2013-12-18 | 2015-06-25 | 엘지전자 주식회사 | 스펙트럼 방사 마스크에 따라 상향링크 신호를 전송하는 방법 및 사용자 장치 |
US9882756B2 (en) | 2014-01-16 | 2018-01-30 | Crestcom, Inc. | Communication system with PAPR management using noise-bearing subcarriers |
WO2016144061A1 (ko) * | 2015-03-06 | 2016-09-15 | 한국전자통신연구원 | 부트스트랩 및 프리앰블을 이용한 방송 신호 프레임 생성 장치 및 방송 신호 프레임 생성 방법 |
US10181867B2 (en) * | 2015-10-08 | 2019-01-15 | Telefonaktiebolaget Lm Ericsson (Publ) | Crest factor reduction in a radio transmitter |
US9590668B1 (en) | 2015-11-30 | 2017-03-07 | NanoSemi Technologies | Digital compensator |
EP3223446A1 (en) * | 2016-03-22 | 2017-09-27 | Xieon Networks S.à r.l. | A method for protecting a link in an optical network |
US9848342B1 (en) | 2016-07-20 | 2017-12-19 | Ccip, Llc | Excursion compensation in multipath communication systems having performance requirements parameters |
US9985811B2 (en) * | 2016-09-23 | 2018-05-29 | Intel IP Corporation | PAPR reduction for IQ RFDAC |
US10812166B2 (en) | 2016-10-07 | 2020-10-20 | Nanosemi, Inc. | Beam steering digital predistortion |
WO2018129710A1 (zh) * | 2017-01-13 | 2018-07-19 | 华为技术有限公司 | 一种信号传输方法、系统及装置 |
US10677297B2 (en) | 2017-02-10 | 2020-06-09 | Toyota Jidosha Kabushiki Kaisha | Selectable one-way clutch |
US10583729B2 (en) | 2017-02-10 | 2020-03-10 | Toyota Jidosha Kabushiki Kaisha | Selectable one-way clutch |
CN110574288A (zh) | 2017-02-25 | 2019-12-13 | 纳诺塞米有限公司 | 多频带数字预失真器 |
US10563710B2 (en) | 2017-03-17 | 2020-02-18 | Toyota Jidosha Kabushiki Kaisha | Selectable one-way clutch |
US10141961B1 (en) | 2017-05-18 | 2018-11-27 | Nanosemi, Inc. | Passive intermodulation cancellation |
US10590998B2 (en) | 2017-05-25 | 2020-03-17 | Means Industries, Inc. | Overrunning coupling and control assembly and system to prevent the inadvertent engagement of the assembly |
US10598233B2 (en) | 2017-05-25 | 2020-03-24 | Means Industries, Inc. | Overrunning coupling and control assembly and system to prevent the inadvertent engagement of the assembly |
JP2020523833A (ja) | 2017-06-09 | 2020-08-06 | ナノセミ, インク.Nanosemi, Inc. | クレストファクタ低減 |
US10931318B2 (en) * | 2017-06-09 | 2021-02-23 | Nanosemi, Inc. | Subsampled linearization system |
US10581470B2 (en) | 2017-06-09 | 2020-03-03 | Nanosemi, Inc. | Linearization system |
US11115067B2 (en) | 2017-06-09 | 2021-09-07 | Nanosemi, Inc. | Multi-band linearization system |
WO2019014422A1 (en) | 2017-07-12 | 2019-01-17 | Nanosemi, Inc. | SYSTEMS AND METHODS FOR CONTROLLING RADIOS MADE WITH DIGITAL PREDISTORSION |
WO2019070573A1 (en) | 2017-10-02 | 2019-04-11 | Nanosemi, Inc. | DIGITAL PREDISTORSION ADJUSTMENT BASED ON DETERMINATION OF CHARGE CHARACTERISTICS |
WO2019094713A1 (en) | 2017-11-13 | 2019-05-16 | Nanosemi, Inc. | Spectrum shaping crest factor reduction |
EP3791470A1 (en) | 2018-05-11 | 2021-03-17 | Nanosemi, Inc. | Digital compensator for a non-linear system |
US10644657B1 (en) | 2018-05-11 | 2020-05-05 | Nanosemi, Inc. | Multi-band digital compensator for a non-linear system |
US11863210B2 (en) | 2018-05-25 | 2024-01-02 | Nanosemi, Inc. | Linearization with level tracking |
US10931238B2 (en) | 2018-05-25 | 2021-02-23 | Nanosemi, Inc. | Linearization with envelope tracking or average power tracking |
EP3804127A1 (en) | 2018-05-25 | 2021-04-14 | NanoSemi, Inc. | Digital predistortion in varying operating conditions |
US10826739B1 (en) | 2019-08-01 | 2020-11-03 | Nanosemi, Inc. | Systems and methods for efficient clipping in crest factor reduction processes |
US10797920B1 (en) * | 2020-03-18 | 2020-10-06 | Rockwell Collins, Inc. | High-entropy continuous phase modulation data transmitter |
US10992326B1 (en) | 2020-05-19 | 2021-04-27 | Nanosemi, Inc. | Buffer management for adaptive digital predistortion |
EP3962010A1 (en) * | 2020-08-31 | 2022-03-02 | Vestel Elektronik Sanayi ve Ticaret A.S. | Reduction of peak to average power ratio exploiting multi-numerology structure |
TWI792954B (zh) * | 2022-03-23 | 2023-02-11 | 瑞昱半導體股份有限公司 | 處理峰均功率比的通訊裝置及方法 |
Family Cites Families (49)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2718398B2 (ja) | 1995-06-30 | 1998-02-25 | 日本電気株式会社 | Cdma基地局送信装置 |
JPH0998041A (ja) * | 1995-09-29 | 1997-04-08 | Sony Corp | 振巾制限回路 |
RU2142670C1 (ru) * | 1995-11-16 | 1999-12-10 | Самсунг Электроникс Ко., Лтд. | Устройство линейного усиления мощности |
US6377919B1 (en) * | 1996-02-06 | 2002-04-23 | The Regents Of The University Of California | System and method for characterizing voiced excitations of speech and acoustic signals, removing acoustic noise from speech, and synthesizing speech |
US5760646A (en) * | 1996-03-29 | 1998-06-02 | Spectrian | Feed-forward correction loop with adaptive predistortion injection for linearization of RF power amplifier |
GB9804835D0 (en) * | 1998-03-06 | 1998-04-29 | Wireless Systems Int Ltd | Predistorter |
US6240278B1 (en) * | 1998-07-30 | 2001-05-29 | Motorola, Inc. | Scalar cost function based predistortion linearizing device, method, phone and basestation |
US6356606B1 (en) * | 1998-07-31 | 2002-03-12 | Lucent Technologies Inc. | Device and method for limiting peaks of a signal |
JP3772031B2 (ja) * | 1998-09-02 | 2006-05-10 | 富士通株式会社 | 増幅器のプリディストータと増幅装置 |
WO2000074232A1 (fr) * | 1999-05-28 | 2000-12-07 | Fujitsu Limited | Amplificateur de compensation de distorsion du type predistorsion |
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 |
DE19927952A1 (de) * | 1999-06-18 | 2001-01-04 | Fraunhofer Ges Forschung | Vorrichtung und Verfahren zum Vorverzerren eines über eine nicht-lineare Übertragungsstrecke zu übertragenden Übertragungssignals |
US6654427B1 (en) * | 1999-07-28 | 2003-11-25 | Lucent Technologies Inc. | Signal notching system for limiting signal peaks |
IT1313792B1 (it) * | 1999-10-18 | 2002-09-23 | M B Internat S R L | Procedimento di generazione di un segnale modulato in frequenza, conricevibilita' migliorata da parte di una radioricevente |
GB9926886D0 (en) * | 1999-11-12 | 2000-01-12 | Nokia Networks Oy | Linerisation of an amplifier |
ATE277456T1 (de) * | 2000-01-26 | 2004-10-15 | Nokia Corp | Verfahren und vorrichtung zum kompensieren von nicht-linearitäten und zeitvarianten änderungen einer übertragungsfunktion wirksam auf ein eingangssignal |
EP1258080B1 (en) * | 2000-02-24 | 2003-07-16 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | System for reducing adjacent-channel interference by pre-linearization and pre-distortion |
AUPQ820000A0 (en) * | 2000-06-20 | 2000-07-13 | Berangi, R. | Peak power reduction schemes for multi-code cdma and critically sampled complex gaussian signals |
US20040014436A1 (en) | 2000-08-01 | 2004-01-22 | Dietmar Lipka | Amplitude limitation |
EP1195892B1 (en) * | 2000-10-06 | 2009-04-22 | Alcatel Lucent | Method and corresponding transmitter for predistorting a wideband radio signal to avoid clipping |
GB0110106D0 (en) * | 2001-04-25 | 2001-06-20 | Filtronic Plc | Electrical signal preconditioning |
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 |
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 |
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 |
US20030086507A1 (en) * | 2001-11-07 | 2003-05-08 | Jaehyeong Kim | Peak limiting architecture and method |
CN1141003C (zh) * | 2002-01-08 | 2004-03-03 | 北京星河亮点通信软件有限责任公司 | 基于联合发送以及预失真技术的发送信号处理方法 |
KR20040089689A (ko) * | 2002-03-01 | 2004-10-21 | 앤드류 코포레이션 | 피크 대 평균 신호 전력비 감소 |
CN1643781A (zh) * | 2002-03-15 | 2005-07-20 | 西门子公司 | 降低放大器级的放大器级输出信号的非线性失真的装置 |
SE523873C2 (sv) * | 2002-03-19 | 2004-05-25 | Ericsson Telefon Ab L M | Metod för predistortion av icke-linjära anordningar |
US6801086B1 (en) * | 2002-04-03 | 2004-10-05 | Andrew Corporation | Adaptive digital pre-distortion using amplifier model that incorporates frequency-dependent non-linearities |
FI20020820A0 (fi) * | 2002-04-30 | 2002-04-30 | Nokia Corp | Menetelmä signaalin rajoittamiseksi ja lähetin |
GB2388984B (en) * | 2002-05-24 | 2005-10-05 | Wireless Systems Int Ltd | Signal correction by predistortion |
US7269231B2 (en) * | 2002-05-31 | 2007-09-11 | Lucent Technologies Inc. | System and method for predistorting a signal using current and past signal samples |
EP1396970B1 (en) | 2002-08-30 | 2004-04-14 | Alcatel | Method for scaling signal peaks and corresponding transmitter |
US6888393B2 (en) * | 2002-09-04 | 2005-05-03 | Hitachi Kokusai Electric, Inc. | Amplitude limiting apparatus and multi-carrier signal generating apparatus |
JP3654526B2 (ja) * | 2002-09-04 | 2005-06-02 | 株式会社日立国際電気 | 振幅制限装置 |
US7013161B2 (en) * | 2002-09-24 | 2006-03-14 | Nortel Networks Limited | Peak power reduction using windowing and filtering |
US7212583B2 (en) | 2002-11-27 | 2007-05-01 | Nokia Corporation | Transmission of signal |
CN1255962C (zh) * | 2002-11-27 | 2006-05-10 | 电子科技大学 | 一种用于正交频分系统的优化削波法 |
US7170342B2 (en) * | 2002-12-10 | 2007-01-30 | Ntt Docomo, Inc. | Linear power amplification method and linear power amplifier |
US7123666B2 (en) * | 2003-05-09 | 2006-10-17 | Texas Instruments Incorporated | Gaussian minimum shift key transmitter with feedforward phase compensation |
US7376201B2 (en) * | 2003-06-30 | 2008-05-20 | Danam Inc. | System and method for reducing crest factor of signal |
US7149257B2 (en) * | 2003-07-03 | 2006-12-12 | Powerwave Technologies, Inc. | Digital predistortion system and method for correcting memory effects within an RF power amplifier |
US7542517B2 (en) * | 2004-02-02 | 2009-06-02 | Ibiquity Digital Corporation | Peak-to-average power reduction for FM OFDM transmission |
CA2467184A1 (en) * | 2004-05-12 | 2005-11-12 | Sirific Wireless Corporation | Im3 cancellation using cmos elements |
JP4417174B2 (ja) * | 2004-05-19 | 2010-02-17 | 株式会社日立国際電気 | プリディストータ |
US7738573B2 (en) * | 2004-10-07 | 2010-06-15 | Microelectronics Technology Inc. | System and method for crest factor reduction |
-
2005
- 2005-01-07 FI FI20055012A patent/FI20055012A0/fi not_active Application Discontinuation
- 2005-03-08 US US11/074,006 patent/US7643801B2/en active Active
-
2006
- 2006-01-05 JP JP2007549926A patent/JP4642863B2/ja not_active Expired - Fee Related
- 2006-01-05 CN CN2006800019209A patent/CN101103606B/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CN101103606A (zh) | 2008-01-09 |
JP2008527820A (ja) | 2008-07-24 |
US20060154622A1 (en) | 2006-07-13 |
JP4642863B2 (ja) | 2011-03-02 |
CN101103606B (zh) | 2012-03-14 |
US7643801B2 (en) | 2010-01-05 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FI20055012A0 (fi) | Lähetyssignaalin leikkaaminen | |
MA28357A1 (fr) | Composes | |
DE602006010712D1 (de) | Audiodekoder | |
DE602005004015D1 (de) | Zerkleinerer | |
DK1711396T3 (da) | Lokaliseringssignalenhed | |
DK1951057T3 (da) | Smoke enhancer | |
AT502689A3 (de) | Erntemaschine | |
DK1906798T3 (da) | Portafiltersystem | |
FR2885844B1 (fr) | Jante anti-enlisement | |
AT502917A3 (de) | Erntemaschine | |
DK1871381T3 (da) | Terapeutiske substituerede cyclopentanoner | |
DE502006002950D1 (de) | Bandsystem | |
AT502690A3 (de) | Erntemaschine | |
NO20050926L (no) | Hoyttaler | |
ITMI20052367A1 (it) | Cristallizzatore | |
DE602006003800D1 (de) | Digitaler Empfänger | |
DE602005004652D1 (de) | Signal Generator | |
DE112007000481A5 (de) | Angelhilfsmittel | |
NO20055630L (no) | SmartCoupling - non responsive | |
DE602006007259D1 (de) | Schneidevorrichtung | |
DE602006017932D1 (de) | Aufzeichnungsgerät | |
ITRM20050612A1 (it) | Cristallizzatore | |
FI20050198A0 (fi) | Koriste-elementti | |
FI20050465A0 (fi) | Opastin | |
FIU20050296U0 (fi) | Digitaalinen viestilaitteisto |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
FD | Application lapsed |