WO2001048932A2 - Sender zum versenden von signalen über funkkanäle und verfahren zum senden von signalen über funkkanäle - Google Patents
Sender zum versenden von signalen über funkkanäle und verfahren zum senden von signalen über funkkanäle Download PDFInfo
- Publication number
- WO2001048932A2 WO2001048932A2 PCT/DE2000/004508 DE0004508W WO0148932A2 WO 2001048932 A2 WO2001048932 A2 WO 2001048932A2 DE 0004508 W DE0004508 W DE 0004508W WO 0148932 A2 WO0148932 A2 WO 0148932A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- signals
- amplifier
- measurement signal
- signal
- predistorter
- 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
- H04L27/2626—Arrangements specific to the transmitter only
-
- 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
- H03F1/3241—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits
- H03F1/3247—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits using feedback acting on predistortion circuits
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
- H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
- H04L27/36—Modulator circuits; Transmitter circuits
- H04L27/366—Arrangements for compensating undesirable properties of the transmission path between the modulator and the demodulator
- H04L27/367—Arrangements for compensating undesirable properties of the transmission path between the modulator and the demodulator using predistortion
- H04L27/368—Arrangements for compensating undesirable properties of the transmission path between the modulator and the demodulator using predistortion adaptive predistortion
-
- 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
- H04L27/2602—Signal structure
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Power Engineering (AREA)
- Transmitters (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Television Systems (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP00991091A EP1179255B1 (de) | 1999-12-23 | 2000-12-16 | Sender zum versenden von signalen über funkkanäle und verfahren zum senden von signalen über funkkanäle |
DE50012573T DE50012573D1 (de) | 1999-12-23 | 2000-12-16 | Sender zum versenden von signalen über funkkanäle und verfahren zum senden von signalen über funkkanäle |
US09/914,134 US7016431B2 (en) | 1999-12-23 | 2000-12-16 | Transmitter for transmitting signals over radio channels and method for transmitting signals over radio channels |
JP2001548535A JP2003518867A (ja) | 1999-12-23 | 2000-12-16 | 無線チャネルを介した信号の送信のための送信器および送信方法 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19962341A DE19962341C1 (de) | 1999-12-23 | 1999-12-23 | Sender zum Versenden von Signalen über Funkkanäle und Verfahren zum Senden von Signalen über Funkkanäle |
DE19962341.4 | 1999-12-23 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2001048932A2 true WO2001048932A2 (de) | 2001-07-05 |
WO2001048932A3 WO2001048932A3 (de) | 2001-12-06 |
Family
ID=7934038
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DE2000/004508 WO2001048932A2 (de) | 1999-12-23 | 2000-12-16 | Sender zum versenden von signalen über funkkanäle und verfahren zum senden von signalen über funkkanäle |
Country Status (5)
Country | Link |
---|---|
US (1) | US7016431B2 (de) |
EP (1) | EP1179255B1 (de) |
JP (1) | JP2003518867A (de) |
DE (2) | DE19962341C1 (de) |
WO (1) | WO2001048932A2 (de) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2846813B1 (fr) * | 2002-11-05 | 2005-01-28 | Eads Defence & Security Ntwk | Procede et dispositif d'apprentissage d'un dispositif de linearisation d'un amplificateur rf, et terminal mobile incorporant un tel dispositif |
FR2846812B1 (fr) * | 2002-11-05 | 2005-01-28 | Eads Defence & Security Ntwk | Perfectionnement aux procedes et dispositifs d'apprentissage d'un dispositif de linearisation d'un amplificateur rf |
EP1615338A1 (de) * | 2004-07-06 | 2006-01-11 | Siemens Aktiengesellschaft | Verfahren und Anordnung zur linearisierung einer Leistungsverstärkerkennlinie |
DE602004009778T2 (de) * | 2004-07-08 | 2008-08-28 | Alcatel Lucent | Kopplungsanordnung für RF Differenzsignal-Übertragung |
US20060039498A1 (en) * | 2004-08-19 | 2006-02-23 | De Figueiredo Rui J P | Pre-distorter for orthogonal frequency division multiplexing systems and method of operating the same |
DE102005002207A1 (de) * | 2004-11-26 | 2006-06-01 | Rohde & Schwarz Gmbh & Co. Kg | Verfahren und System zur Ermittlung der Amplitude und/oder Phase des Ausgangssignals eines Übertragungsgliedes in Abhängigkeit der Amplitude des Eingangsignals |
DE102005037880A1 (de) * | 2005-05-19 | 2006-11-23 | Rohde & Schwarz Gmbh & Co. Kg | Verfahren und System zur Ermittlung der Amplitude und/oder Phase des Ausgangssignals eines Übertragungsgliedes in Abhängigkeit der Amplitude des Eingangssignals |
US8270513B2 (en) * | 2006-05-31 | 2012-09-18 | Cobham Defense Electronic Systems Corporation | Fully saturated multi-tone transceiver |
KR100737747B1 (ko) | 2006-08-25 | 2007-07-10 | (주)카이로넷 | 송신기의 미스매치를 보상하는 방법 및 장치 |
KR100740177B1 (ko) | 2006-11-27 | 2007-07-16 | (주)카이로넷 | 비선형 엔벨로프 검출기를 이용한 송신기의 미스매치를보상하는 방법 및 장치 |
CN101603992B (zh) * | 2008-06-12 | 2011-06-29 | 深圳富泰宏精密工业有限公司 | 功率放大器输出功率对照表的建立方法 |
JP5503979B2 (ja) * | 2010-01-06 | 2014-05-28 | 京セラ株式会社 | 無線送信装置 |
KR102299089B1 (ko) * | 2015-02-02 | 2021-09-07 | 삼성전자 주식회사 | 무선 통신 시스템에서 무선 주파수 유닛의 입출력 신호 동기화 방법 및 장치 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5598436A (en) * | 1993-06-29 | 1997-01-28 | U.S. Philips Corporation | Digital transmission system with predistortion |
WO2000060732A1 (en) * | 1999-04-01 | 2000-10-12 | Wireless Systems International Limited | Signal processing |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4615040A (en) * | 1984-06-14 | 1986-09-30 | Coenco Ltd. | High speed data communications system |
US4700151A (en) * | 1985-03-20 | 1987-10-13 | Nec Corporation | Modulation system capable of improving a transmission system |
GB2257860B (en) * | 1991-07-06 | 1995-09-20 | Racal Communications Syst Ltd | Amplification systems |
DE4300151A1 (de) | 1993-01-08 | 1994-07-14 | Henkel Kgaa | Fester, gecoateter Waschmittelrohstoff |
DE4319216A1 (de) * | 1993-06-10 | 1994-12-15 | Hermann Prof Dr Rohling | Verfahren zum Senden und/oder Empfangen großer digitaler Datenmengen |
IT1265271B1 (it) * | 1993-12-14 | 1996-10-31 | Alcatel Italia | Sistema di predistorsione in banda base per la linearizzazione adattativa di amplificatori di potenza |
JP3300185B2 (ja) * | 1995-01-31 | 2002-07-08 | 株式会社日立国際電気 | 無線機および無線機の使用方法 |
US5486789A (en) * | 1995-02-28 | 1996-01-23 | Motorola, Inc. | Apparatus and method for providing a baseband digital error signal in an adaptive predistorter |
JP3145015B2 (ja) * | 1995-09-01 | 2001-03-12 | 富士通テン株式会社 | 送信装置 |
US5732333A (en) * | 1996-02-14 | 1998-03-24 | Glenayre Electronics, Inc. | Linear transmitter using predistortion |
FR2746564B1 (fr) * | 1996-03-22 | 1998-06-05 | Matra Communication | Procede pour corriger des non-linearites d'un amplificateur, et emetteur radio mettant en oeuvre un tel procede |
US5937011A (en) * | 1996-03-26 | 1999-08-10 | Airnet Communications Corp. | Multi-carrier high power amplifier using digital pre-distortion |
FR2752313B1 (fr) * | 1996-08-07 | 1998-11-13 | Alcatel Telspace | Procede et dispositif de modelisation des caracteristiques am/am et am/pm d'un amplificateur, et procede de predistorsion correspondant |
US6252912B1 (en) * | 1997-12-24 | 2001-06-26 | General Dynamics Government Systems Corporation | Adaptive predistortion system |
US6125266A (en) * | 1997-12-31 | 2000-09-26 | Nokia Mobile Phones Limited | Dual band architectures for mobile stations having transmitter linearization feedback |
US6166601A (en) * | 1999-01-07 | 2000-12-26 | Wiseband Communications Ltd. | Super-linear multi-carrier power amplifier |
US6265949B1 (en) * | 1999-12-22 | 2001-07-24 | Lg Information & Communications, Ltd. | Phase compensation apparatus and method for a digital modulator |
DE19962340B4 (de) * | 1999-12-23 | 2005-11-03 | Robert Bosch Gmbh | Sender zum Versenden von Signalen über Funkkanäle und Verfahren zum Senden von Signalen über Funkkanäle |
-
1999
- 1999-12-23 DE DE19962341A patent/DE19962341C1/de not_active Expired - Fee Related
-
2000
- 2000-12-16 DE DE50012573T patent/DE50012573D1/de not_active Expired - Fee Related
- 2000-12-16 JP JP2001548535A patent/JP2003518867A/ja active Pending
- 2000-12-16 WO PCT/DE2000/004508 patent/WO2001048932A2/de active IP Right Grant
- 2000-12-16 EP EP00991091A patent/EP1179255B1/de not_active Expired - Lifetime
- 2000-12-16 US US09/914,134 patent/US7016431B2/en not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5598436A (en) * | 1993-06-29 | 1997-01-28 | U.S. Philips Corporation | Digital transmission system with predistortion |
WO2000060732A1 (en) * | 1999-04-01 | 2000-10-12 | Wireless Systems International Limited | Signal processing |
Non-Patent Citations (2)
Title |
---|
AMERICO BRAJAL ET AL: "COMPENSATION OF NONLINEAR DISTORTIONS FOR OTHOGONAL MULTICARRIER SCHEMES USING PREDISTORTION" PROCEEDINGS OF THE GLOBAL TELECOMMUNICATIONS CONFERENCE (GLOBECOM),US,NEW YORK, IEEE, 28. November 1994 (1994-11-28), Seiten 1909-1914, XP000488852 ISBN: 0-7803-1821-8 * |
RAPP C: "EFFECTS OF HPA-NONLINEARITY ON A 4-DPSK/OFDM-SIGNAL FOR A DIGITAL SOUND BROADCASTING SYSTEM" PROCEEDINGS OF THE 2ND EUROPEAN CONFERENCE ON SATELLITE COMMUNICATIONS, 22-10-91, LIEGE, Oktober 1991 (1991-10), XP000400752 * |
Also Published As
Publication number | Publication date |
---|---|
DE50012573D1 (de) | 2006-05-24 |
WO2001048932A3 (de) | 2001-12-06 |
EP1179255A2 (de) | 2002-02-13 |
US7016431B2 (en) | 2006-03-21 |
JP2003518867A (ja) | 2003-06-10 |
EP1179255B1 (de) | 2006-04-12 |
US20020168023A1 (en) | 2002-11-14 |
DE19962341C1 (de) | 2001-08-23 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE19962340B4 (de) | Sender zum Versenden von Signalen über Funkkanäle und Verfahren zum Senden von Signalen über Funkkanäle | |
DE60032603T2 (de) | Verfahren und vorrichtung zur bestimung des übertragungssmodus und der synchronisation für ein digitales tonrundfunksignal | |
DE19962341C1 (de) | Sender zum Versenden von Signalen über Funkkanäle und Verfahren zum Senden von Signalen über Funkkanäle | |
DE69933409T2 (de) | Verfahren un Anordnung zum Erreichen und Aufrechterhalten der Symbolsynchronisierung in einem OFDM-Übertragungssystem | |
CN103380606B (zh) | 数字预失真 | |
JPH08501195A (ja) | 周波数分割多重化を用いたディジタル信号伝送システム | |
WO2001026317A1 (de) | Verfahren zum empfangsseitigen bestimmen der amplituden-imbalanz und quadraturfehlers in einem multiträgersystem | |
DE102006017937B4 (de) | Verfahren und Kalibrierungssytem für IQ-Gleichspannungsoffset- und Unsymmetrie-Kalibrierung durch Verwendung von analytischen Formeln, um gewünschte Kompensationswerte schnell zu bestimmen | |
US20030157905A1 (en) | Transmitter and associated method for reducing the adjacent channel power during wireless communications | |
DE102004052296A1 (de) | Sender und Empfänger für ein drahtloses Audio-Übertragungssystem | |
DE19944558C2 (de) | Verfahren zum Senden von Funksignalen und Sender zum Versenden eines Funksignals | |
EP1425846B1 (de) | Sendeanordnung, insbesondere für den mobilfunk | |
EP1254546A1 (de) | Verfahren zum bestimmen der restträgerleistung bei einem nach dem dvb-t-standard im 8k-modus qam-modulierten multiträgersignal | |
US6535564B1 (en) | Adaptive quantization in a pulse-amplitude modulated system | |
WO2002067524A2 (de) | Vorverzerrung in mehrträgersendern | |
DE10060569A1 (de) | Verfahren zur kohärenten Demodulation von Funksignalen | |
US7359443B2 (en) | Method for compensating for peak values during a data transmission with discrete multitone symbols and a circuit arrangement for carrying out the method | |
DE10151173B4 (de) | Verfahren zum Messen des Modulationsfehlers von digital modulierten Hochfrequenzsignalen | |
EP2343861B1 (de) | Sendeverfahren für ein Mehrträgersignal und Kommunikationsendgerät dafür | |
DE19811830C2 (de) | Verfahren zur Bestimmung von Übertragungsfehlern bei einem mit Hilfe eines Multiträgerverfahrens übermittelten, seriellen Datenstrom | |
WO2001010024A1 (de) | Schaltungsanordnung zur abtastratenumsetzung zeitdiskreter signale | |
DE102008064381A1 (de) | Verfahren und Vorrichtungen zum Codieren und Rekonstruieren eines Datensignals in einem OFDM-basierten System | |
DE102005019460A1 (de) | Verfahren zur Kompensation von Abtastzeitpunktversätzen bei der DMT-Signalübertragung |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AK | Designated states |
Kind code of ref document: A2 Designated state(s): JP US |
|
AL | Designated countries for regional patents |
Kind code of ref document: A2 Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LU MC NL PT SE TR |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2000991091 Country of ref document: EP |
|
ENP | Entry into the national phase |
Ref country code: JP Ref document number: 2001 548535 Kind code of ref document: A Format of ref document f/p: F |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
AK | Designated states |
Kind code of ref document: A3 Designated state(s): JP US |
|
AL | Designated countries for regional patents |
Kind code of ref document: A3 Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LU MC NL PT SE TR |
|
WWE | Wipo information: entry into national phase |
Ref document number: 09914134 Country of ref document: US |
|
WWP | Wipo information: published in national office |
Ref document number: 2000991091 Country of ref document: EP |
|
WWG | Wipo information: grant in national office |
Ref document number: 2000991091 Country of ref document: EP |