CN1430390A - 模拟积分调制器误差补偿的装置和方法 - Google Patents
模拟积分调制器误差补偿的装置和方法 Download PDFInfo
- Publication number
- CN1430390A CN1430390A CN02159377A CN02159377A CN1430390A CN 1430390 A CN1430390 A CN 1430390A CN 02159377 A CN02159377 A CN 02159377A CN 02159377 A CN02159377 A CN 02159377A CN 1430390 A CN1430390 A CN 1430390A
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- CN
- China
- Prior art keywords
- signal
- digital signal
- error
- digital
- compensation
- Prior art date
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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
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
- H03D7/16—Multiple-frequency-changing
- H03D7/165—Multiple-frequency-changing at least two frequency changers being located in different paths, e.g. in two paths with carriers in quadrature
-
- 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
- H03—ELECTRONIC CIRCUITRY
- H03C—MODULATION
- H03C2200/00—Indexing scheme relating to details of modulators or modulation methods covered by H03C
- H03C2200/0037—Functional aspects of modulators
- H03C2200/0058—Quadrature arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Abstract
Description
Claims (33)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR85444/2001 | 2001-12-26 | ||
KR10-2001-0085444A KR100429981B1 (ko) | 2001-12-26 | 2001-12-26 | Aqm의 에러보상장치 및 방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1430390A true CN1430390A (zh) | 2003-07-16 |
CN1316807C CN1316807C (zh) | 2007-05-16 |
Family
ID=19717633
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB021593779A Expired - Fee Related CN1316807C (zh) | 2001-12-26 | 2002-12-26 | 模拟积分调制器误差补偿的装置和方法 |
Country Status (3)
Country | Link |
---|---|
US (1) | US7130357B2 (zh) |
KR (1) | KR100429981B1 (zh) |
CN (1) | CN1316807C (zh) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101272373B (zh) * | 2008-05-07 | 2010-09-08 | 北京北方烽火科技有限公司 | 一种自适应模拟正交调制失衡补偿方法和装置 |
CN101917362A (zh) * | 2010-06-25 | 2010-12-15 | 杭州万工科技有限公司 | 一种对多通道模数转换信号的相位补偿方法 |
CN103312647A (zh) * | 2012-03-08 | 2013-09-18 | 英特尔移动通信有限责任公司 | 用于精细rf收发器直流偏移校准的算法 |
CN108209914A (zh) * | 2016-12-15 | 2018-06-29 | 意法半导体股份有限公司 | 对低功率生物阻抗测量设备的补偿和校准 |
CN111466911A (zh) * | 2020-04-13 | 2020-07-31 | 徐州工业职业技术学院 | 一种电子电信号处理系统及方法 |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100640432B1 (ko) * | 2002-10-09 | 2006-10-30 | 삼성전자주식회사 | 통신신호의 위상오차를 최소화하는 위상복조방법 |
KR100457175B1 (ko) * | 2002-12-14 | 2004-11-16 | 한국전자통신연구원 | 직교 변조 송신기 |
US7460614B2 (en) * | 2003-06-25 | 2008-12-02 | Interdigital Technology Corporation | Method and system for adjusting the amplitude and phase characteristics of real and imaginary signal components of complex signals processed by an analog radio transmitter |
DE10342583B4 (de) * | 2003-09-15 | 2006-01-26 | Infineon Technologies Ag | Verfahren zur Trägerrestbestimmung in einer einen Vektormodulator umfassenden Anordnung |
GB2408860B (en) * | 2003-12-04 | 2006-12-20 | Motorola Inc | Wireless communication unit, linearised transmitter circuit and method of linearising therein |
US7349677B2 (en) * | 2004-04-08 | 2008-03-25 | Broadcom Corporation | Hardware efficient RF transceiver I/Q imbalance compensation based upon taylor approximation |
US20050233712A1 (en) * | 2004-04-16 | 2005-10-20 | Thales Broadcast & Multimedia, Inc. | Low-frequency signal correction circuit |
KR20050108167A (ko) * | 2004-05-11 | 2005-11-16 | 삼성전자주식회사 | 이동통신 시스템에서 전력 증폭기의 옵셋 보상 장치 및 방법 |
JP4619827B2 (ja) * | 2005-03-07 | 2011-01-26 | 富士通株式会社 | 歪補償装置 |
JP2008005357A (ja) * | 2006-06-23 | 2008-01-10 | Matsushita Electric Ind Co Ltd | Dcオフセット除去装置及びdcオフセット除去方法 |
US8213542B2 (en) * | 2008-03-07 | 2012-07-03 | Intel Mobile Communications GmbH | Highly optimized digital IQ transmitter chain |
KR100960022B1 (ko) * | 2008-08-22 | 2010-05-28 | 전자부품연구원 | 디지털 중간주파수 무선송신기, 고주파 변조 장치 및 방법 |
US8688045B2 (en) | 2008-11-19 | 2014-04-01 | Qualcomm Incorporated | FM transmitter and non-FM receiver integrated on single chip |
US8493258B1 (en) * | 2012-02-23 | 2013-07-23 | Telefonaktiebolaget L M Ericsson (Publ) | Digital-to-analog converter image suppression with hilbert transform |
CN107452417B (zh) * | 2016-06-01 | 2021-02-19 | 瑞昱半导体股份有限公司 | 数据处理电路与数据处理方法 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5732333A (en) * | 1996-02-14 | 1998-03-24 | Glenayre Electronics, Inc. | Linear transmitter using predistortion |
US5751114A (en) * | 1996-05-24 | 1998-05-12 | International Business Machines Corporation | Apparatus, method and article of manufacture for carrier frequency compensation in a FM radio transmitter |
US5867065A (en) * | 1997-05-07 | 1999-02-02 | Glenayre Electronics, Inc. | Frequency selective predistortion in a linear transmitter |
US6072364A (en) * | 1997-06-17 | 2000-06-06 | Amplix | Adaptive digital predistortion for power amplifiers with real time modeling of memoryless complex gains |
US6081158A (en) | 1997-06-30 | 2000-06-27 | Harris Corporation | Adaptive pre-distortion apparatus for linearizing an amplifier output within a data transmission system |
CN1206251A (zh) | 1997-06-30 | 1999-01-27 | 哈里公司 | 在数字传输系统中线性化放大器输出的自适应预失真装置 |
US6054895A (en) * | 1997-08-27 | 2000-04-25 | Harris Corporation | Apparatus and method for pre-distortion correction of a power amplifier stage |
JP2000196689A (ja) * | 1998-12-25 | 2000-07-14 | Fujitsu General Ltd | 無線送信装置 |
FI107212B (fi) * | 1999-03-26 | 2001-06-15 | Nokia Networks Oy | I/Q-modulaattorin tasajännitesiirtymän korjaus |
US6515712B1 (en) * | 1999-07-31 | 2003-02-04 | Lg Information & Communications, Ltd. | Signal distortion compensating apparatus and method in digital TV translator |
JP4555429B2 (ja) * | 2000-04-03 | 2010-09-29 | 株式会社ケンウッド | プリディストーション型非線形歪み補償回路およびこれを用いたディジタル送信機 |
KR100429980B1 (ko) * | 2001-12-24 | 2004-05-03 | 엘지전자 주식회사 | Aqm 에러보상장치 및 방법 |
-
2001
- 2001-12-26 KR KR10-2001-0085444A patent/KR100429981B1/ko not_active IP Right Cessation
-
2002
- 2002-12-24 US US10/327,040 patent/US7130357B2/en not_active Expired - Fee Related
- 2002-12-26 CN CNB021593779A patent/CN1316807C/zh not_active Expired - Fee Related
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101272373B (zh) * | 2008-05-07 | 2010-09-08 | 北京北方烽火科技有限公司 | 一种自适应模拟正交调制失衡补偿方法和装置 |
CN101917362A (zh) * | 2010-06-25 | 2010-12-15 | 杭州万工科技有限公司 | 一种对多通道模数转换信号的相位补偿方法 |
CN101917362B (zh) * | 2010-06-25 | 2013-05-08 | 万高(杭州)科技有限公司 | 一种对多通道模数转换信号的相位补偿方法 |
CN103312647A (zh) * | 2012-03-08 | 2013-09-18 | 英特尔移动通信有限责任公司 | 用于精细rf收发器直流偏移校准的算法 |
CN103312647B (zh) * | 2012-03-08 | 2017-07-04 | 英特尔德国有限责任公司 | 用于精细rf收发器直流偏移校准的方法 |
CN108209914A (zh) * | 2016-12-15 | 2018-06-29 | 意法半导体股份有限公司 | 对低功率生物阻抗测量设备的补偿和校准 |
US10758152B2 (en) | 2016-12-15 | 2020-09-01 | Stmicroelectronics S.R.L. | Compensation and calibration for a low power bio-impedance measurement device |
CN111466911A (zh) * | 2020-04-13 | 2020-07-31 | 徐州工业职业技术学院 | 一种电子电信号处理系统及方法 |
Also Published As
Publication number | Publication date |
---|---|
KR100429981B1 (ko) | 2004-05-03 |
KR20030055003A (ko) | 2003-07-02 |
US7130357B2 (en) | 2006-10-31 |
US20030118126A1 (en) | 2003-06-26 |
CN1316807C (zh) | 2007-05-16 |
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Legal Events
Date | Code | Title | Description |
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C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
ASS | Succession or assignment of patent right |
Owner name: LG- NORTEL CO., LTD. Free format text: FORMER OWNER: LG ELECTRONIC CO., LTD. Effective date: 20061027 |
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C41 | Transfer of patent application or patent right or utility model | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20061027 Address after: Seoul, South Kerean Applicant after: LG Nortel Co., Ltd. Address before: Seoul, South Kerean Applicant before: LG Electronics Inc. |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C56 | Change in the name or address of the patentee |
Owner name: LG-ERICSSON CO., LTD. Free format text: FORMER NAME: LG-NORTEL CO., LTD. |
|
CP01 | Change in the name or title of a patent holder |
Address after: Seoul, South Kerean Patentee after: Novera Optics Korea Co., Ltd. Address before: Seoul, South Kerean Patentee before: LG Nortel Co., Ltd. |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070516 Termination date: 20141226 |
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EXPY | Termination of patent right or utility model |