DE60332798D1 - Verringerung des Verhältnisses von Spitzen- zu Durchschnittsleistung - Google Patents
Verringerung des Verhältnisses von Spitzen- zu DurchschnittsleistungInfo
- Publication number
- DE60332798D1 DE60332798D1 DE60332798T DE60332798T DE60332798D1 DE 60332798 D1 DE60332798 D1 DE 60332798D1 DE 60332798 T DE60332798 T DE 60332798T DE 60332798 T DE60332798 T DE 60332798T DE 60332798 D1 DE60332798 D1 DE 60332798D1
- Authority
- DE
- Germany
- Prior art keywords
- peak
- reduction
- ratio
- average power
- average
- 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.)
- Expired - Lifetime
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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Transmitters (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Mobile Radio Communication Systems (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002224221A JP3796204B2 (ja) | 2002-07-31 | 2002-07-31 | マルチキャリア送信信号のピーク抑圧方法およびピーク抑圧機能をもつマルチキャリア送信信号生成回路 |
Publications (1)
Publication Number | Publication Date |
---|---|
DE60332798D1 true DE60332798D1 (de) | 2010-07-15 |
Family
ID=30112976
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE60332798T Expired - Lifetime DE60332798D1 (de) | 2002-07-31 | 2003-07-23 | Verringerung des Verhältnisses von Spitzen- zu Durchschnittsleistung |
Country Status (5)
Country | Link |
---|---|
US (2) | US6982965B2 (de) |
EP (2) | EP1387541B1 (de) |
JP (1) | JP3796204B2 (de) |
CN (2) | CN100345401C (de) |
DE (1) | DE60332798D1 (de) |
Families Citing this family (35)
Publication number | Priority date | Publication date | Assignee | Title |
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JP4287225B2 (ja) * | 2003-09-18 | 2009-07-01 | 株式会社日立国際電気 | 送信機 |
GB2406300A (en) * | 2003-09-20 | 2005-03-30 | Rolls Royce Plc | A method of laser machining components having a protective surface coating |
JP2005101975A (ja) * | 2003-09-25 | 2005-04-14 | Matsushita Electric Ind Co Ltd | 無線通信装置及びピーク抑圧方法 |
JP2005106684A (ja) * | 2003-09-30 | 2005-04-21 | Konica Minolta Medical & Graphic Inc | 放射線画像変換パネル及びその製造方法 |
US7342976B2 (en) * | 2004-01-27 | 2008-03-11 | Crestcom, Inc. | Predistortion circuit and method for compensating A/D and other distortion in a digital RF communications transmitter |
JP2005252509A (ja) * | 2004-03-03 | 2005-09-15 | Nec Corp | マルチキャリア伝送用非線形歪補償回路 |
JP4359191B2 (ja) * | 2004-06-01 | 2009-11-04 | 株式会社日立国際電気 | 信号生成装置 |
DE102004038089B4 (de) * | 2004-08-05 | 2016-02-04 | Rohde & Schwarz Gmbh & Co. Kg | Reglergestütztes Verfahren und reglergestützte Vorrichtung zur Bestimmung der Kennlinie eines Kompensationsgliedes in einem Pegelkreis |
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 |
GB0500416D0 (en) * | 2005-01-10 | 2005-02-16 | Nokia Corp | Transmitting information using multiple carriers |
GB0500415D0 (en) * | 2005-01-10 | 2005-02-16 | Nokia Corp | Transmitting information using multiple carriers |
JP4888661B2 (ja) * | 2005-03-02 | 2012-02-29 | 日本電気株式会社 | 下りパケット通信の送信制御方法及び無線基地局 |
EP1916790B1 (de) * | 2005-08-19 | 2015-02-11 | ZTE Corporation | Verfahren zum implementieren von hsdpa für td-scdma |
US20070071120A1 (en) * | 2005-09-26 | 2007-03-29 | Shilpa Talwar | Peak to average power reduction using channel state information |
EP1940058B1 (de) * | 2005-09-27 | 2013-11-13 | Fujitsu Ltd. | Funkübertragungseinrichtung mit spitzenunterdrückungsfunktion |
KR100707268B1 (ko) * | 2005-10-08 | 2007-04-16 | 삼성전자주식회사 | 영상보간장치 및 영상보간방법 |
KR101150611B1 (ko) * | 2005-10-21 | 2012-06-08 | 삼성전자주식회사 | 이동통신 시스템에서 복합 자동 재전송 방식을 이용한 패킷데이터 송/수신 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 |
EP1821474B1 (de) | 2006-02-17 | 2012-05-30 | Fujitsu Limited | Einrichtung zum Entfernen von Spitzenspannungsignalen |
JP4789749B2 (ja) * | 2006-08-17 | 2011-10-12 | 富士通株式会社 | ピーク抑圧装置 |
JP4847838B2 (ja) * | 2006-10-13 | 2011-12-28 | 株式会社日立国際電気 | 送信機 |
US8306162B2 (en) * | 2007-11-28 | 2012-11-06 | Motorola Solutions, Inc. | Method and apparatus for complementary cumulative distribution driven level convergence for spectrum sensing |
JP4941261B2 (ja) | 2007-12-04 | 2012-05-30 | 富士通株式会社 | 歪補償増幅装置および歪補償方法 |
JP5176692B2 (ja) | 2008-05-28 | 2013-04-03 | 日本電気株式会社 | 歪補償回路及び歪補償方法 |
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 |
JP5233784B2 (ja) * | 2009-03-25 | 2013-07-10 | 日本電気株式会社 | マルチキャリア送信信号のピークファクタ低減装置及び方法 |
JP2011176790A (ja) * | 2010-01-26 | 2011-09-08 | Kyocera Corp | 通信装置および通信方法 |
JP5406132B2 (ja) * | 2010-07-08 | 2014-02-05 | 株式会社日立製作所 | ピークファクタ低減装置および無線送信機 |
SG11201400984WA (en) | 2011-09-30 | 2014-04-28 | Aviat Networks Inc | Systems and methods for adaptive power amplifier linearization |
US8995521B2 (en) | 2012-10-30 | 2015-03-31 | Lsi Corporation | Method and apparatus for high density pulse density modulation |
US9086556B2 (en) * | 2013-02-12 | 2015-07-21 | Nexans | Fiber optic cable with improved flexibility, low temperature and compression resistance |
JP6175852B2 (ja) * | 2013-03-28 | 2017-08-09 | 富士通株式会社 | 電力増幅装置 |
KR102200813B1 (ko) * | 2014-11-19 | 2021-01-11 | 삼성전자 주식회사 | 이동 통신 시스템에서 신호 수신 방법 및 장치 |
US9590567B2 (en) * | 2015-07-02 | 2017-03-07 | Xilinx, Inc. | Moving mean and magnitude dual path digital predistortion |
US11838121B2 (en) * | 2021-07-01 | 2023-12-05 | Qualcomm Incorporated | Downlink transmission requirement based on downlink compensation capability of a user equipment |
Family Cites Families (40)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6157A (en) * | 1849-03-10 | Delivery amd take-tip motion of looms | ||
US61068A (en) * | 1867-01-08 | Improved apparatus for forming boilers | ||
US101935A (en) * | 1870-04-12 | Improvement in treating fatty matters for the manufacture of candles | ||
US12403A (en) * | 1855-02-20 | Frederick denzler | ||
US101936A (en) * | 1870-04-12 | Improvement in churns | ||
US118729A (en) * | 1871-09-05 | Improvement in carriage-shackles | ||
US63685A (en) * | 1867-04-09 | Andrew r | ||
US12292A (en) * | 1855-01-23 | Henry biakely | ||
US86507A (en) * | 1869-02-02 | Improvement in whip-sockets | ||
US5357541A (en) * | 1989-03-23 | 1994-10-18 | Echelon Corporation | Transceiver providing selectable frequencies and spreading sequences |
US5125100A (en) * | 1990-07-02 | 1992-06-23 | Katznelson Ron D | Optimal signal synthesis for distortion cancelling multicarrier systems |
US5093840A (en) * | 1990-11-16 | 1992-03-03 | Scs Mobilecom, Inc. | Adaptive power control for a spread spectrum transmitter |
US5107225A (en) * | 1990-11-30 | 1992-04-21 | Qualcomm Incorporated | High dynamic range closed loop automatic gain control circuit |
US6334219B1 (en) * | 1994-09-26 | 2001-12-25 | Adc Telecommunications Inc. | Channel selection for a hybrid fiber coax network |
JPH08274734A (ja) | 1994-12-05 | 1996-10-18 | N T T Ido Tsushinmo Kk | 信号多重化装置及び方法 |
CN1223093C (zh) * | 1994-12-05 | 2005-10-12 | Ntt移动通信网株式会社 | 信号多路复用器及多路复用方法 |
GB2296165B (en) * | 1994-12-15 | 1999-12-29 | Int Mobile Satellite Org | Multiplex communication |
EP0735731B1 (de) * | 1995-03-31 | 2004-05-12 | Victor Company Of Japan, Limited | Mehrträgenmodulator- und -demodulator mit Einrichtungen zur Verringerung der Spitzenleistung |
JP2718398B2 (ja) * | 1995-06-30 | 1998-02-25 | 日本電気株式会社 | Cdma基地局送信装置 |
ZA965340B (en) * | 1995-06-30 | 1997-01-27 | Interdigital Tech Corp | Code division multiple access (cdma) communication system |
GB2309363B (en) * | 1996-01-17 | 2000-07-12 | Motorola Ltd | Multicarrier communication system and method for peak power control |
JP3462388B2 (ja) * | 1998-04-28 | 2003-11-05 | 松下電器産業株式会社 | 無線通信装置 |
US6590906B1 (en) * | 1998-08-24 | 2003-07-08 | Matsushita Electric Industrial Co., Ltd. | Multi-carrier transmitter circuit and communication equipment |
US6188732B1 (en) * | 1998-10-19 | 2001-02-13 | Samsung Electronics Co., Ltd. | Digital feedforward amplifier for use in an RF transmitter and method of operation |
GB9823145D0 (en) * | 1998-10-23 | 1998-12-16 | Philips Electronics Nv | Radio communication system |
US6236864B1 (en) * | 1998-11-27 | 2001-05-22 | Nortel Networks Limited | CDMA transmit peak power reduction |
US6931053B2 (en) * | 1998-11-27 | 2005-08-16 | Nortel Networks Limited | Peak power and envelope magnitude regulators and CDMA transmitters featuring such regulators |
US6430213B1 (en) * | 1999-05-26 | 2002-08-06 | The Aerospace Corporation | Coherent adaptive subcarrier modulation method |
US6654427B1 (en) * | 1999-07-28 | 2003-11-25 | Lucent Technologies Inc. | Signal notching system for limiting signal peaks |
WO2001065748A1 (fr) * | 2000-02-29 | 2001-09-07 | Fujitsu Limited | Procede de codage pour transmission a porteuses multiples et codeur utilisant ce procede |
JP4313925B2 (ja) | 2000-03-17 | 2009-08-12 | 富士通株式会社 | マルチキャリア直接拡散送受信システム,マルチキャリア直接拡散送受信機,マルチキャリア直接拡散送信機及びマルチキャリア直接拡散受信機 |
US6449302B2 (en) * | 2000-04-19 | 2002-09-10 | Powerwave Technologies, Inc. | System and method for peak power reduction in spread spectrum communications systems |
AU2001278971A1 (en) * | 2000-07-21 | 2002-02-05 | Pmc-Sierra, Ltd. | Systems and methods for reduction of peak to average signal levels of multi-bearer single-carrier and multi-carrier waveforms |
JP2002044054A (ja) | 2000-07-25 | 2002-02-08 | Hitachi Kokusai Electric Inc | リミッタ回路付きキャリア合成送信回路 |
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 |
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 |
US20030086507A1 (en) * | 2001-11-07 | 2003-05-08 | Jaehyeong Kim | Peak limiting architecture and method |
-
2002
- 2002-07-31 JP JP2002224221A patent/JP3796204B2/ja not_active Expired - Lifetime
-
2003
- 2003-07-22 US US10/623,811 patent/US6982965B2/en not_active Expired - Lifetime
- 2003-07-23 EP EP20030016801 patent/EP1387541B1/de not_active Expired - Fee Related
- 2003-07-23 DE DE60332798T patent/DE60332798D1/de not_active Expired - Lifetime
- 2003-07-23 EP EP20100164098 patent/EP2219334A3/de not_active Withdrawn
- 2003-07-31 CN CNB031327893A patent/CN100345401C/zh not_active Expired - Fee Related
- 2003-07-31 CN CN2007101028729A patent/CN101056299B/zh not_active Expired - Fee Related
-
2005
- 2005-06-30 US US11/169,705 patent/US7460500B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US20040136395A1 (en) | 2004-07-15 |
EP2219334A3 (de) | 2013-01-23 |
EP1387541A3 (de) | 2007-02-14 |
JP2004064711A (ja) | 2004-02-26 |
EP1387541A2 (de) | 2004-02-04 |
US7460500B2 (en) | 2008-12-02 |
CN1496037A (zh) | 2004-05-12 |
CN100345401C (zh) | 2007-10-24 |
US20050243909A1 (en) | 2005-11-03 |
EP2219334A2 (de) | 2010-08-18 |
CN101056299B (zh) | 2012-05-09 |
CN101056299A (zh) | 2007-10-17 |
JP3796204B2 (ja) | 2006-07-12 |
EP1387541B1 (de) | 2010-06-02 |
US6982965B2 (en) | 2006-01-03 |
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