EP1897225A4 - Retard emetteur et reglage de phase - Google Patents
Retard emetteur et reglage de phaseInfo
- Publication number
- EP1897225A4 EP1897225A4 EP06764529.1A EP06764529A EP1897225A4 EP 1897225 A4 EP1897225 A4 EP 1897225A4 EP 06764529 A EP06764529 A EP 06764529A EP 1897225 A4 EP1897225 A4 EP 1897225A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- phase adjustment
- transmitter delay
- transmitter
- delay
- adjustment
- 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.)
- Withdrawn
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
- H04B1/02—Transmitters
- H04B1/04—Circuits
- H04B1/0475—Circuits with means for limiting noise, interference or 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
-
- 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
- H03F1/34—Negative-feedback-circuit arrangements with or without positive feedback
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
- H03F3/21—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
- H03F3/211—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only using a combination of several amplifiers
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
- H03F3/24—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers of transmitter output stages
-
- 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
- H04B1/02—Transmitters
- H04B1/04—Circuits
- H04B1/0483—Transmitters with multiple parallel paths
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/451—Indexing scheme relating to amplifiers the amplifier being a radio frequency amplifier
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
- H03F2203/20—Indexing scheme relating to power amplifiers, e.g. Class B amplifiers, Class C amplifiers
- H03F2203/21—Indexing scheme relating to power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
- H03F2203/211—Indexing scheme relating to power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only using a combination of several amplifiers
- H03F2203/21106—An input signal being distributed in parallel over the inputs of a plurality of power amplifiers
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
- H03F2203/20—Indexing scheme relating to power amplifiers, e.g. Class B amplifiers, Class C amplifiers
- H03F2203/21—Indexing scheme relating to power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
- H03F2203/211—Indexing scheme relating to power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only using a combination of several amplifiers
- H03F2203/21112—A filter circuit being added at the input of a power amplifier stage
-
- 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
- H04B1/02—Transmitters
- H04B1/04—Circuits
- H04B2001/0408—Circuits with power amplifiers
- H04B2001/0425—Circuits with power amplifiers with linearisation using predistortion
-
- 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
- H04B1/02—Transmitters
- H04B1/04—Circuits
- H04B2001/0408—Circuits with power amplifiers
- H04B2001/0433—Circuits with power amplifiers with linearisation using feedback
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mobile Radio Communication Systems (AREA)
- Transmitters (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI20055367A FI20055367A0 (fi) | 2005-06-30 | 2005-06-30 | Lähettimen viive ja vaiheen säätö |
US11/471,606 US7957700B2 (en) | 2005-06-30 | 2006-06-21 | Transmitter delay and phase adjustment |
PCT/FI2006/050290 WO2007003703A1 (fr) | 2005-06-30 | 2006-06-28 | Retard emetteur et reglage de phase |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1897225A1 EP1897225A1 (fr) | 2008-03-12 |
EP1897225A4 true EP1897225A4 (fr) | 2014-04-23 |
Family
ID=37604113
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP06764529.1A Withdrawn EP1897225A4 (fr) | 2005-06-30 | 2006-06-28 | Retard emetteur et reglage de phase |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP1897225A4 (fr) |
WO (1) | WO2007003703A1 (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2017956A1 (fr) * | 2007-07-18 | 2009-01-21 | Nokia Siemens Networks Oy | Dispositif d'amplification de signal radio, et procédé pour la génération et l'amplification d'un signal de fréquence radio |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20040014500A1 (en) * | 2002-07-13 | 2004-01-22 | Chun Byung-Jin | Adaptive power pooling apparatus and method in a mobile communication system |
US20040204100A1 (en) * | 2003-04-10 | 2004-10-14 | Braithwaite Richard Neil | Multi-transmitter communication system employing anti-phase pilot signals |
WO2004109952A1 (fr) * | 2003-06-02 | 2004-12-16 | Fujitsu Limited | Dispositif de communication d'antenne reseau et procede de calibrage de dispositif de communication d'antenne reseau |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60136426A (ja) * | 1983-12-26 | 1985-07-19 | Toshiba Corp | 送信機の送信出力制御患式 |
JPH0964758A (ja) * | 1995-08-30 | 1997-03-07 | Matsushita Electric Ind Co Ltd | ディジタル携帯無線機の送信装置とそれに用いる高周波電力増幅装置 |
US6516183B1 (en) * | 1999-09-10 | 2003-02-04 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and apparatus for disturbance compensation of a direct conversion receiver in a full duplex transceiver |
WO2004077662A1 (fr) * | 2003-02-25 | 2004-09-10 | Huawei Technologies Co., Ltd | Dispositif d'amplification de puissance pour systeme de communication |
-
2006
- 2006-06-28 EP EP06764529.1A patent/EP1897225A4/fr not_active Withdrawn
- 2006-06-28 WO PCT/FI2006/050290 patent/WO2007003703A1/fr active Application Filing
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20040014500A1 (en) * | 2002-07-13 | 2004-01-22 | Chun Byung-Jin | Adaptive power pooling apparatus and method in a mobile communication system |
US20040204100A1 (en) * | 2003-04-10 | 2004-10-14 | Braithwaite Richard Neil | Multi-transmitter communication system employing anti-phase pilot signals |
WO2004109952A1 (fr) * | 2003-06-02 | 2004-12-16 | Fujitsu Limited | Dispositif de communication d'antenne reseau et procede de calibrage de dispositif de communication d'antenne reseau |
US20050239419A1 (en) * | 2003-06-02 | 2005-10-27 | Nobukazu Fudaba | Array-antenna-equipped communication apparatus and method of calibrating array-antenna-equipped communication apparatus |
Non-Patent Citations (1)
Title |
---|
See also references of WO2007003703A1 * |
Also Published As
Publication number | Publication date |
---|---|
EP1897225A1 (fr) | 2008-03-12 |
WO2007003703A1 (fr) | 2007-01-11 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
Effective date: 20080108 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR |
|
DAX | Request for extension of the european patent (deleted) | ||
DAX | Request for extension of the european patent (deleted) | ||
RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: NOKIA SOLUTIONS AND NETWORKS OY |
|
A4 | Supplementary search report drawn up and despatched |
Effective date: 20140325 |
|
RIC1 | Information provided on ipc code assigned before grant |
Ipc: H04B 1/04 20060101AFI20140319BHEP |
|
17Q | First examination report despatched |
Effective date: 20140404 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 20151209 |