DE60116601D1 - Kommunikationssystem mit vorverzerrung - Google Patents
Kommunikationssystem mit vorverzerrungInfo
- Publication number
- DE60116601D1 DE60116601D1 DE60116601T DE60116601T DE60116601D1 DE 60116601 D1 DE60116601 D1 DE 60116601D1 DE 60116601 T DE60116601 T DE 60116601T DE 60116601 T DE60116601 T DE 60116601T DE 60116601 D1 DE60116601 D1 DE 60116601D1
- Authority
- DE
- Germany
- Prior art keywords
- errors
- control signal
- constellation
- precursoring
- communication system
- 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 - Fee Related
Links
Classifications
-
- 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
- H04B1/62—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 for providing a predistortion of the signal in the transmitter and corresponding correction in the receiver, e.g. for improving the signal/noise ratio
-
- 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
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0004125 | 2000-02-23 | ||
GBGB0004125.1A GB0004125D0 (en) | 2000-02-23 | 2000-02-23 | Communications system |
PCT/EP2001/001212 WO2001063872A1 (en) | 2000-02-23 | 2001-02-06 | Communication system with predistortion |
Publications (2)
Publication Number | Publication Date |
---|---|
DE60116601D1 true DE60116601D1 (de) | 2006-04-06 |
DE60116601T2 DE60116601T2 (de) | 2006-08-24 |
Family
ID=9886152
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE60116601T Expired - Fee Related DE60116601T2 (de) | 2000-02-23 | 2001-02-06 | Kommunikationssystem mit vorverzerrung |
Country Status (9)
Country | Link |
---|---|
US (1) | US20010016014A1 (de) |
EP (1) | EP1175762B1 (de) |
JP (1) | JP2003524339A (de) |
KR (1) | KR20020001834A (de) |
CN (1) | CN1363168A (de) |
AT (1) | ATE315866T1 (de) |
DE (1) | DE60116601T2 (de) |
GB (1) | GB0004125D0 (de) |
WO (1) | WO2001063872A1 (de) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2376611A (en) * | 2001-06-14 | 2002-12-18 | Tandberg Television Asa | Method of adjusting received constellation points |
US6907093B2 (en) * | 2001-08-08 | 2005-06-14 | Viasat, Inc. | Method and apparatus for relayed communication using band-pass signals for self-interference cancellation |
US7177366B1 (en) * | 2001-09-06 | 2007-02-13 | The Board Of Trustees Of The Leland Stanford Junior University | Automatic phase alignment for high-bandwidth cartesian-feedback power amplifiers |
KR20030024241A (ko) * | 2001-09-17 | 2003-03-26 | 엘지전자 주식회사 | 블루투스 송신회로 |
US6882781B2 (en) * | 2001-11-16 | 2005-04-19 | Hrl Laboratories, Llc | Coherent power combining of single-mode sources in waveguide fiber couplers |
KR100429980B1 (ko) * | 2001-12-24 | 2004-05-03 | 엘지전자 주식회사 | Aqm 에러보상장치 및 방법 |
EP1328083B1 (de) * | 2002-01-11 | 2006-10-25 | Mitsubishi Electric Information Technology Centre Europe B.V. | Vorverzerrungsverfahren für einen Mehrträger-CDMA-Aufwärtskanal |
DE60213193T2 (de) * | 2002-01-11 | 2007-06-21 | Mitsubishi Electric Information Technology Centre Europe B.V. | Verfahren für eine Aufwärtsstrecken-Vorverzerrung für ein MC-CDMA-Telekommunnikationssystem |
US7054391B2 (en) * | 2003-05-30 | 2006-05-30 | Efficient Channel Coding, Inc. | Receiver based saturation estimator |
US7020121B2 (en) * | 2003-11-17 | 2006-03-28 | Sony Corporation | Method and system for wireless digital multimedia transmission |
KR100643605B1 (ko) * | 2004-08-16 | 2006-11-10 | 삼성전자주식회사 | 적응형 프리 엠퍼시스 장치, 데이터 통신용 송신기,데이터 통신용 송수신 장치 및 적응형 프리 엠퍼시스 방법 |
CN100359836C (zh) * | 2004-10-29 | 2008-01-02 | 中兴通讯股份有限公司 | 坐标间交织正交发射分集最小二乘软译码方法及实现装置 |
CN100589462C (zh) * | 2005-12-20 | 2010-02-10 | 中兴通讯股份有限公司 | 宽带码分多址基站系统多通道多载波数字预失真发信机 |
US20070177663A1 (en) * | 2006-01-31 | 2007-08-02 | Ibm Corporation | Data-dependent jitter pre-emphasis for high-speed serial link transmitters |
CN101369898B (zh) * | 2008-09-12 | 2011-04-20 | 中国电子科技集团公司第五十四研究所 | 流星余迹自适应变速率突发调制解调器 |
CN103491040B (zh) * | 2013-09-30 | 2016-06-01 | 福州大学 | 一种数字基带自适应预失真系统和方法 |
CN111835297A (zh) * | 2020-07-16 | 2020-10-27 | 中国联合网络通信集团有限公司 | 数字预失真校正方法、装置及存储介质 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2644638B1 (de) * | 1989-03-14 | 1991-05-31 | Labo Electronique Physique | |
JP3993640B2 (ja) * | 1996-12-24 | 2007-10-17 | ジェネラル ダイナミックス ガバメント システムズ コーポレイション | 適応前歪み付与方式 |
US6614854B1 (en) * | 1999-05-28 | 2003-09-02 | Carriercomm, Inc. | System and method for adaptive predistortion |
-
2000
- 2000-02-23 GB GBGB0004125.1A patent/GB0004125D0/en not_active Ceased
-
2001
- 2001-02-01 US US09/773,417 patent/US20010016014A1/en not_active Abandoned
- 2001-02-06 CN CN01800281A patent/CN1363168A/zh active Pending
- 2001-02-06 WO PCT/EP2001/001212 patent/WO2001063872A1/en active IP Right Grant
- 2001-02-06 JP JP2001561975A patent/JP2003524339A/ja not_active Withdrawn
- 2001-02-06 AT AT01907495T patent/ATE315866T1/de not_active IP Right Cessation
- 2001-02-06 EP EP01907495A patent/EP1175762B1/de not_active Expired - Lifetime
- 2001-02-06 KR KR1020017013330A patent/KR20020001834A/ko not_active Application Discontinuation
- 2001-02-06 DE DE60116601T patent/DE60116601T2/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
WO2001063872A1 (en) | 2001-08-30 |
DE60116601T2 (de) | 2006-08-24 |
ATE315866T1 (de) | 2006-02-15 |
US20010016014A1 (en) | 2001-08-23 |
EP1175762A1 (de) | 2002-01-30 |
GB0004125D0 (en) | 2000-04-12 |
EP1175762B1 (de) | 2006-01-11 |
CN1363168A (zh) | 2002-08-07 |
JP2003524339A (ja) | 2003-08-12 |
KR20020001834A (ko) | 2002-01-09 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |