CN100574306C - 自适应同步设备和方法 - Google Patents
自适应同步设备和方法 Download PDFInfo
- Publication number
- CN100574306C CN100574306C CNB2003801064335A CN200380106433A CN100574306C CN 100574306 C CN100574306 C CN 100574306C CN B2003801064335 A CNB2003801064335 A CN B2003801064335A CN 200380106433 A CN200380106433 A CN 200380106433A CN 100574306 C CN100574306 C CN 100574306C
- Authority
- CN
- China
- Prior art keywords
- output signal
- sampling
- delay
- signal
- equipment
- 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
Images
Classifications
-
- 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
- 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
- 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
- H03F1/3294—Acting on the real and imaginary components of the input signal
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Abstract
Description
Claims (25)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP02028527.6 | 2002-12-19 | ||
EP02028527A EP1432194A1 (en) | 2002-12-19 | 2002-12-19 | Adaptive predistortion scheme with delay tracking |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1726685A CN1726685A (zh) | 2006-01-25 |
CN100574306C true CN100574306C (zh) | 2009-12-23 |
Family
ID=32338055
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2003801064335A Expired - Fee Related CN100574306C (zh) | 2002-12-19 | 2003-11-17 | 自适应同步设备和方法 |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP1432194A1 (zh) |
JP (1) | JP4171465B2 (zh) |
CN (1) | CN100574306C (zh) |
AU (1) | AU2003276567A1 (zh) |
IL (1) | IL168887A (zh) |
WO (1) | WO2004062225A1 (zh) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101228690B (zh) * | 2005-07-29 | 2010-08-18 | 富士通株式会社 | 延迟调整装置 |
JP2008091985A (ja) * | 2006-09-29 | 2008-04-17 | Fujitsu General Ltd | 送信方法および送信装置 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
JP4014343B2 (ja) * | 1999-12-28 | 2007-11-28 | 富士通株式会社 | 歪補償装置 |
GB2376583B (en) * | 2001-06-15 | 2005-01-05 | Wireless Systems Int Ltd | Time alignment of signals |
-
2002
- 2002-12-19 EP EP02028527A patent/EP1432194A1/en not_active Withdrawn
-
2003
- 2003-11-17 CN CNB2003801064335A patent/CN100574306C/zh not_active Expired - Fee Related
- 2003-11-17 WO PCT/IB2003/005190 patent/WO2004062225A1/en active Application Filing
- 2003-11-17 JP JP2004564361A patent/JP4171465B2/ja not_active Expired - Fee Related
- 2003-11-17 AU AU2003276567A patent/AU2003276567A1/en not_active Abandoned
-
2005
- 2005-05-30 IL IL168887A patent/IL168887A/en active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
AU2003276567A1 (en) | 2004-07-29 |
EP1432194A1 (en) | 2004-06-23 |
JP2006510324A (ja) | 2006-03-23 |
CN1726685A (zh) | 2006-01-25 |
WO2004062225A1 (en) | 2004-07-22 |
JP4171465B2 (ja) | 2008-10-22 |
IL168887A (en) | 2010-12-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
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: NOKIA AND SIEMENS NETWORKS CO., LTD. Free format text: FORMER OWNER: NOKIA NETWORKS OY Effective date: 20080718 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20080718 Address after: Espoo, Finland Applicant after: Nokia Siemens Network Co., Ltd. Address before: Espoo, Finland Applicant before: Nokia Oyj |
|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C56 | Change in the name or address of the patentee |
Owner name: NOKIA SIEMENS NETWORKS OY Free format text: FORMER NAME: NOKIA SIEMENS NETWORK CO., LTD. |
|
CP01 | Change in the name or title of a patent holder |
Address after: Espoo, Finland Patentee after: Nokia Siemens Networks OY Address before: Espoo, Finland Patentee before: Nokia Siemens Network Co., Ltd. |
|
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Nokia Siemens Networks Network Technology Services Ltd. Assignor: Nokia Siemens Networks OY Contract record no.: 2012990000317 Denomination of invention: Adaptive synchronization equipment and method Granted publication date: 20091223 License type: Common License Open date: 20060125 Record date: 20120514 Assignee: Nokia Siemens Networks (Shanghai) Co., Ltd. Assignor: Nokia Siemens Networks OY Contract record no.: 2012990000318 Denomination of invention: Adaptive synchronization equipment and method Granted publication date: 20091223 License type: Common License Open date: 20060125 Record date: 20120514 |
|
EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20060125 Assignee: NOKIA SIEMENS communications network (Beijing) Co., Ltd. Assignor: Nokia Siemens Networks OY Contract record no.: 2013990000498 Denomination of invention: Adaptive synchronization equipment and method Granted publication date: 20091223 License type: Common License Record date: 20130820 Application publication date: 20060125 Assignee: NOKIA SIEMENS communications (Tianjin) Co., Ltd. Assignor: Nokia Siemens Networks OY Contract record no.: 2013990000497 Denomination of invention: Adaptive synchronization equipment and method Granted publication date: 20091223 License type: Common License Record date: 20130820 |
|
LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
C56 | Change in the name or address of the patentee | ||
CP01 | Change in the name or title of a patent holder |
Address after: Espoo, Finland Patentee after: Nokia Siemens Networks OY Address before: Espoo, Finland Patentee before: Nokia Siemens Networks OY |
|
EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20060125 Assignee: Nokia Siemens Networks (Shanghai) Co., Ltd. Assignor: Nokia Siemens Networks OY Contract record no.: 2012990000318 Denomination of invention: Adaptive synchronization equipment and method Granted publication date: 20091223 License type: Common License Record date: 20120514 Application publication date: 20060125 Assignee: Nokia Siemens Networks Network Technology Services Ltd. Assignor: Nokia Siemens Networks OY Contract record no.: 2012990000317 Denomination of invention: Adaptive synchronization equipment and method Granted publication date: 20091223 License type: Common License Record date: 20120514 |
|
LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091223 Termination date: 20141117 |
|
EXPY | Termination of patent right or utility model |