ATE212160T1 - Verfahren zur korrektur von nichtlinearen verzerrungen in einem verstärker und ein solches verfahren verwendenden funksenders - Google Patents
Verfahren zur korrektur von nichtlinearen verzerrungen in einem verstärker und ein solches verfahren verwendenden funksendersInfo
- Publication number
- ATE212160T1 ATE212160T1 AT97400613T AT97400613T ATE212160T1 AT E212160 T1 ATE212160 T1 AT E212160T1 AT 97400613 T AT97400613 T AT 97400613T AT 97400613 T AT97400613 T AT 97400613T AT E212160 T1 ATE212160 T1 AT E212160T1
- Authority
- AT
- Austria
- Prior art keywords
- signal
- predistortion
- complex
- amplifier
- input
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 3
- 230000006978 adaptation Effects 0.000 abstract 2
- 238000001228 spectrum Methods 0.000 abstract 1
Classifications
-
- 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
- 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
- H03F1/3241—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits
- H03F1/3282—Acting on the phase and the amplitude of the input signal
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/438—Separate feedback of amplitude and phase signals being present
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2201/00—Indexing scheme relating to details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements covered by H03F1/00
- H03F2201/32—Indexing scheme relating to modifications of amplifiers to reduce non-linear distortion
- H03F2201/3233—Adaptive predistortion using lookup table, e.g. memory, RAM, ROM, LUT, to generate the predistortion
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Amplifiers (AREA)
- Transmitters (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR9603619A FR2746563B1 (fr) | 1996-03-22 | 1996-03-22 | Procede pour corriger des non-linearites d'un amplificateur, et emetteur radio mettant en oeuvre un tel procede |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE212160T1 true ATE212160T1 (de) | 2002-02-15 |
Family
ID=9490463
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT97400613T ATE212160T1 (de) | 1996-03-22 | 1997-03-19 | Verfahren zur korrektur von nichtlinearen verzerrungen in einem verstärker und ein solches verfahren verwendenden funksenders |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US5905760A (de) |
| EP (1) | EP0797293B1 (de) |
| JP (1) | JPH1013160A (de) |
| AT (1) | ATE212160T1 (de) |
| AU (1) | AU1637197A (de) |
| CA (1) | CA2200660A1 (de) |
| DE (1) | DE69709560T2 (de) |
| FR (1) | FR2746563B1 (de) |
| TW (1) | TW328669B (de) |
Families Citing this family (51)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6549242B1 (en) * | 1997-04-04 | 2003-04-15 | Harris Corporation | Combining adjacent TV channels for transmission by a common antenna |
| US6208686B1 (en) * | 1997-07-18 | 2001-03-27 | Innova Corporation | System and method for dynamic amplitude adjustment of modulating signal in frequency modulated transceivers |
| US6125266A (en) * | 1997-12-31 | 2000-09-26 | Nokia Mobile Phones Limited | Dual band architectures for mobile stations having transmitter linearization feedback |
| US6239657B1 (en) * | 1998-03-27 | 2001-05-29 | Rohde & Schwarz Gmbh & Co. Kg | Method and device for measuring the distortion of a high-frequency power amplifier and method and means for automatically equalizing a high-frequency power amplifier |
| JP3360029B2 (ja) * | 1998-07-13 | 2002-12-24 | 松下電器産業株式会社 | 歪補償用アドレス発生器,歪補償回路および送信歪補償付き送信機 |
| KR100279948B1 (ko) * | 1998-07-21 | 2001-02-01 | 윤종용 | 선형화된 전력 증폭 장치 및 방법 |
| KR100326176B1 (ko) * | 1998-08-06 | 2002-04-17 | 윤종용 | 이동통신시스템의전력증폭장치및방법 |
| GB2345599A (en) * | 1998-12-23 | 2000-07-12 | Nokia Mobile Phones Ltd | A baseband predistorter for a transmitter with combined downconversion and demodulation in the feedback path |
| US6242975B1 (en) * | 1999-05-25 | 2001-06-05 | Conexant Systems, Inc. | Envelope peak and trough limiting to improve amplifier efficiency and distortion characteristics |
| US6356146B1 (en) | 1999-07-13 | 2002-03-12 | Pmc-Sierra, Inc. | Amplifier measurement and modeling processes for use in generating predistortion parameters |
| US6342810B1 (en) | 1999-07-13 | 2002-01-29 | Pmc-Sierra, Inc. | Predistortion amplifier system with separately controllable amplifiers |
| US6587514B1 (en) | 1999-07-13 | 2003-07-01 | Pmc-Sierra, Inc. | Digital predistortion methods for wideband amplifiers |
| US6798843B1 (en) | 1999-07-13 | 2004-09-28 | Pmc-Sierra, Inc. | Wideband digital predistortion linearizer for nonlinear amplifiers |
| US6697436B1 (en) | 1999-07-13 | 2004-02-24 | Pmc-Sierra, Inc. | Transmission antenna array system with predistortion |
| US6693974B2 (en) | 1999-08-05 | 2004-02-17 | Samsung Electronics Co., Ltd. | Adaptive digital pre-distortion circuit using adjacent channel power profile and method of operation |
| AU2069001A (en) * | 1999-12-28 | 2001-07-09 | Motorola, Inc. | Locally-adapted fractionally-spaced linear predistorter |
| US6266517B1 (en) * | 1999-12-30 | 2001-07-24 | Motorola, Inc. | Method and apparatus for correcting distortion in a transmitter |
| US6973138B1 (en) | 2000-01-26 | 2005-12-06 | Pmc-Sierra, Inc. | Advanced adaptive pre-distortion in a radio frequency transmitter |
| US6741662B1 (en) * | 2000-04-17 | 2004-05-25 | Intel Corporation | Transmitter linearization using fast predistortion |
| US6785342B1 (en) * | 2000-11-06 | 2004-08-31 | Wideband Semiconductors, Inc. | Nonlinear pre-distortion modulator and long loop control |
| GB2370435A (en) * | 2000-12-22 | 2002-06-26 | Nokia Mobile Phones Ltd | A polar loop transmitter for a mobile phone |
| GB2376583B (en) * | 2001-06-15 | 2005-01-05 | Wireless Systems Int Ltd | Time alignment of signals |
| US7409004B2 (en) * | 2001-06-19 | 2008-08-05 | Matsushita Electric Industrial Co., Ltd. | Hybrid polar modulator differential phase Cartesian feedback correction circuit for power amplifier linearization |
| FR2835120B1 (fr) * | 2002-01-21 | 2006-10-20 | Evolium Sas | Procede et dispositif de preparation de signaux destines a etre compares pour etablir une pre-distorsion sur l'entree d'un amplificateur |
| US6812786B2 (en) | 2002-04-11 | 2004-11-02 | Andrew Corporation | Zero-bias bypass switching circuit using mismatched 90 degrees hybrid |
| US6700439B2 (en) | 2002-04-11 | 2004-03-02 | Andrew Corporation | Zero-bias bypass switch |
| US7715836B2 (en) * | 2002-09-03 | 2010-05-11 | Broadcom Corporation | Direct-conversion transceiver enabling digital calibration |
| US9065537B2 (en) * | 2002-09-03 | 2015-06-23 | Broadcom Corporation | Method and system for calibrating a multi-mode, multi-standard transmitter and receiver |
| US7340007B2 (en) * | 2003-09-16 | 2008-03-04 | M/A-Com, Inc. | Apparatus, methods and articles of manufacture for pre-emphasis filtering of a modulated signal |
| US7298854B2 (en) * | 2002-12-04 | 2007-11-20 | M/A-Com, Inc. | Apparatus, methods and articles of manufacture for noise reduction in electromagnetic signal processing |
| US7254195B2 (en) * | 2003-08-25 | 2007-08-07 | M/A-Com, Inc. | Apparatus, methods and articles of manufacture for dynamic differential delay correction |
| US7421037B2 (en) * | 2003-11-20 | 2008-09-02 | Nokia Corporation | Reconfigurable transmitter with direct digital to RF modulator |
| US7426372B2 (en) * | 2005-03-31 | 2008-09-16 | M/A-Com Eurotec B.V. | Piecewise linearizer circuit for radio frequency amplification |
| US7436339B2 (en) * | 2005-07-20 | 2008-10-14 | M/A-Com, Inc. | Method and apparatus to emulate a filter using digital elements |
| US7307570B2 (en) * | 2005-07-20 | 2007-12-11 | M/A-Com, Inc. | Method and apparatus to emulate a filter |
| US7599418B2 (en) * | 2006-02-16 | 2009-10-06 | Pine Valley Investments, Inc. | Method and apparatus for a frequency hopper |
| JP4172805B2 (ja) | 2006-07-12 | 2008-10-29 | 株式会社東芝 | 通信装置、直交誤差補償の設定値算出方法および直交誤差補償プログラム |
| DE102006038614A1 (de) * | 2006-08-17 | 2008-02-21 | Norddeutsche Mischwerke Gmbh & Co. Kg | Verfahren zur Wiederverwendung von Ausbauasphalten und Herstellung von Asphaltmischgut |
| US8050783B2 (en) * | 2007-03-12 | 2011-11-01 | Pine Valley Investments, Inc. | System and method for pre-distorting a device input |
| US7869543B2 (en) * | 2007-03-13 | 2011-01-11 | Pine Valley Investments, Inc. | System and method for synchronization, power control, calibration, and modulation in communication transmitters |
| US8009765B2 (en) * | 2007-03-13 | 2011-08-30 | Pine Valley Investments, Inc. | Digital polar transmitter |
| JP5121691B2 (ja) * | 2008-12-22 | 2013-01-16 | 株式会社東芝 | 歪補償器、送信機、歪補償方法 |
| US8358680B2 (en) | 2008-12-23 | 2013-01-22 | Apple Inc. | Reducing power levels associated with two or more signals using peak reduction distortion that is derived from a combined signal |
| JP5244698B2 (ja) * | 2009-05-18 | 2013-07-24 | アイコム株式会社 | 送信電力制御装置及び送信電力制御方法 |
| JP5146404B2 (ja) * | 2009-05-21 | 2013-02-20 | 富士通株式会社 | 歪補償装置 |
| US8498591B1 (en) | 2009-08-21 | 2013-07-30 | Marvell International Ltd. | Digital Predistortion for nonlinear RF power amplifiers |
| EP2378727A1 (de) * | 2010-04-14 | 2011-10-19 | Texas Instruments Limited | Kanalentzerrung mit anwendungsspezifischer Digitalsignalverarbeitung in digitalen Hochgeschwindigkeitsübertragungssystemen |
| US8699620B1 (en) | 2010-04-16 | 2014-04-15 | Marvell International Ltd. | Digital Predistortion for nonlinear RF power amplifiers |
| DE102013101771A1 (de) | 2013-02-22 | 2014-08-28 | Intel Mobile Communications GmbH | Sendeanordnung und Verfahren zum Analysieren eines verstärkten Sendesignals |
| US9160586B1 (en) | 2013-07-24 | 2015-10-13 | Marvell International Ltd. | Method and apparatus for estimating and compensating for in-phase and quadrature (IQ) mismatch in a receiver of a wireless communication device |
| US12250100B2 (en) * | 2022-02-14 | 2025-03-11 | David E. Newman | Selecting a modulation scheme responsive to fault types in 5G/6G |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0771118B2 (ja) * | 1989-12-27 | 1995-07-31 | 三菱電機株式会社 | 変調装置 |
| FR2652969A1 (fr) * | 1989-10-06 | 1991-04-12 | Philips Electronique Lab | Dispositif de predistorsion pour systeme de transmission numerique. |
| US5066923A (en) * | 1990-10-31 | 1991-11-19 | Motorola, Inc. | Linear transmitter training method and apparatus |
| US5111155A (en) * | 1991-03-04 | 1992-05-05 | Motorola, Inc. | Distortion compensation means and method |
| GB2265269B (en) * | 1992-03-02 | 1995-08-30 | Motorola Ltd | Radio transmitter with linearization training sequence |
| GB2272589B (en) * | 1992-11-16 | 1995-11-29 | Linear Modulation Tech | Automatic calibration of the quadrature balance within a cartesian amplifier |
| US5420536A (en) * | 1993-03-16 | 1995-05-30 | Victoria University Of Technology | Linearized power amplifier |
| FR2707127A1 (fr) * | 1993-06-29 | 1995-01-06 | Philips Laboratoire Electroniq | Système de transmission numérique à prédisposition. |
| GB2283629B (en) * | 1993-10-26 | 1997-08-27 | Motorola Ltd | Radio communications apparatus |
| IT1265271B1 (it) * | 1993-12-14 | 1996-10-31 | Alcatel Italia | Sistema di predistorsione in banda base per la linearizzazione adattativa di amplificatori di potenza |
| US5650758A (en) * | 1995-11-28 | 1997-07-22 | Radio Frequency Systems, Inc. | Pipelined digital predistorter for a wideband amplifier |
-
1996
- 1996-03-22 FR FR9603619A patent/FR2746563B1/fr not_active Expired - Fee Related
-
1997
- 1997-03-19 DE DE69709560T patent/DE69709560T2/de not_active Expired - Fee Related
- 1997-03-19 AU AU16371/97A patent/AU1637197A/en not_active Abandoned
- 1997-03-19 AT AT97400613T patent/ATE212160T1/de not_active IP Right Cessation
- 1997-03-19 EP EP97400613A patent/EP0797293B1/de not_active Expired - Lifetime
- 1997-03-20 US US08/821,381 patent/US5905760A/en not_active Expired - Lifetime
- 1997-03-21 CA CA002200660A patent/CA2200660A1/en not_active Abandoned
- 1997-03-24 TW TW086103713A patent/TW328669B/zh active
- 1997-03-24 JP JP9069942A patent/JPH1013160A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE69709560T2 (de) | 2002-08-29 |
| FR2746563A1 (fr) | 1997-09-26 |
| TW328669B (en) | 1998-03-21 |
| FR2746563B1 (fr) | 1998-06-05 |
| JPH1013160A (ja) | 1998-01-16 |
| EP0797293A1 (de) | 1997-09-24 |
| AU1637197A (en) | 1997-09-25 |
| DE69709560D1 (de) | 2002-02-21 |
| EP0797293B1 (de) | 2002-01-16 |
| CA2200660A1 (en) | 1997-09-22 |
| US5905760A (en) | 1999-05-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |