SE9802498L - Anordning och förfarande relaterande till radiokommunikation - Google Patents
Anordning och förfarande relaterande till radiokommunikationInfo
- Publication number
- SE9802498L SE9802498L SE9802498A SE9802498A SE9802498L SE 9802498 L SE9802498 L SE 9802498L SE 9802498 A SE9802498 A SE 9802498A SE 9802498 A SE9802498 A SE 9802498A SE 9802498 L SE9802498 L SE 9802498L
- Authority
- SE
- Sweden
- Prior art keywords
- amplifying
- radio communication
- method related
- control signal
- phase error
- Prior art date
Links
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
- H03F1/3252—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits using multiple parallel paths between input and output
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q23/00—Antennas with active circuits or circuit elements integrated within them or attached to them
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
- H01Q3/2605—Array of radiating elements provided with a feedback control over the element weights, e.g. adaptive arrays
-
- 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
- H03F1/3223—Modifications of amplifiers to reduce non-linear distortion using feed-forward
- H03F1/3229—Modifications of amplifiers to reduce non-linear distortion using feed-forward using a loop for error extraction and another loop for error subtraction
-
- 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
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Amplifiers (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Transmitters (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9802498A SE513156C2 (sv) | 1998-07-10 | 1998-07-10 | Anordning och förfarande relaterande till radiokommunikation |
AU49462/99A AU4946299A (en) | 1998-07-10 | 1999-06-29 | Arrangement and method relating to radio communication |
PCT/SE1999/001163 WO2000003479A1 (en) | 1998-07-10 | 1999-06-29 | Arrangement and method relating to radio communication |
US09/350,719 US6792251B2 (en) | 1998-07-10 | 1999-07-09 | Arrangement and method for improving multi-carrier power amplifier efficiency |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9802498A SE513156C2 (sv) | 1998-07-10 | 1998-07-10 | Anordning och förfarande relaterande till radiokommunikation |
Publications (3)
Publication Number | Publication Date |
---|---|
SE9802498D0 SE9802498D0 (sv) | 1998-07-10 |
SE9802498L true SE9802498L (sv) | 2000-01-11 |
SE513156C2 SE513156C2 (sv) | 2000-07-17 |
Family
ID=20412051
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE9802498A SE513156C2 (sv) | 1998-07-10 | 1998-07-10 | Anordning och förfarande relaterande till radiokommunikation |
Country Status (4)
Country | Link |
---|---|
US (1) | US6792251B2 (sv) |
AU (1) | AU4946299A (sv) |
SE (1) | SE513156C2 (sv) |
WO (1) | WO2000003479A1 (sv) |
Families Citing this family (33)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6812905B2 (en) | 1999-04-26 | 2004-11-02 | Andrew Corporation | Integrated active antenna for multi-carrier applications |
US6583763B2 (en) | 1999-04-26 | 2003-06-24 | Andrew Corporation | Antenna structure and installation |
US7302232B2 (en) | 2000-09-01 | 2007-11-27 | Nippon Telegraph And Telephone Corporation | Adaptive antenna control method and adaptive antenna transmission/reception characteristic control method |
SE0102026D0 (sv) | 2001-06-07 | 2001-06-07 | Ericsson Telefon Ab L M | Method and arrangement relating to multicarrier power amplifiers |
US7043270B2 (en) | 2001-08-13 | 2006-05-09 | Andrew Corporation | Shared tower system for accomodating multiple service providers |
US7280848B2 (en) * | 2002-09-30 | 2007-10-09 | Andrew Corporation | Active array antenna and system for beamforming |
BRPI0519455A2 (pt) * | 2004-12-28 | 2009-01-27 | Matsushita Electric Ind Co Ltd | aparelho de controle de potÊncia de transmissço, aparelho de estimativa de percurso de propagaÇço, mÉtodo de controle de potÊncia de transmissço e mÉtodo de estimativa de percurso de propagaÇço |
US7869542B2 (en) * | 2006-02-03 | 2011-01-11 | Quantance, Inc. | Phase error de-glitching circuit and method of operating |
US8032097B2 (en) * | 2006-02-03 | 2011-10-04 | Quantance, Inc. | Amplitude error de-glitching circuit and method of operating |
CN101401261B (zh) * | 2006-02-03 | 2012-11-21 | 匡坦斯公司 | 功率放大器控制器电路 |
US7917106B2 (en) | 2006-02-03 | 2011-03-29 | Quantance, Inc. | RF power amplifier controller circuit including calibrated phase control loop |
US7933570B2 (en) * | 2006-02-03 | 2011-04-26 | Quantance, Inc. | Power amplifier controller circuit |
US8095090B2 (en) * | 2006-02-03 | 2012-01-10 | Quantance, Inc. | RF power amplifier controller circuit |
US7761065B2 (en) * | 2006-02-03 | 2010-07-20 | Quantance, Inc. | RF power amplifier controller circuit with compensation for output impedance mismatch |
US7466195B2 (en) * | 2007-05-18 | 2008-12-16 | Quantance, Inc. | Error driven RF power amplifier control with increased efficiency |
KR20090029490A (ko) * | 2007-09-18 | 2009-03-23 | 삼성전자주식회사 | 위상 고정 방법 및 장치 |
US7783269B2 (en) * | 2007-09-20 | 2010-08-24 | Quantance, Inc. | Power amplifier controller with polar transmitter |
EP2203799A4 (en) | 2007-10-22 | 2017-05-17 | Mobileaccess Networks Ltd. | Communication system using low bandwidth wires |
US8014735B2 (en) * | 2007-11-06 | 2011-09-06 | Quantance, Inc. | RF power amplifier controlled by estimated distortion level of output signal of power amplifier |
GB0724917D0 (en) * | 2007-12-20 | 2008-01-30 | Nokia Corp | A transmitter |
US7782134B2 (en) * | 2008-09-09 | 2010-08-24 | Quantance, Inc. | RF power amplifier system with impedance modulation |
US8018277B2 (en) * | 2008-09-09 | 2011-09-13 | Quantance, Inc. | RF power amplifier system with impedance modulation |
EP2204903B1 (en) | 2008-12-31 | 2012-07-18 | Ubidyne Inc. | A radio station and active antenna array |
US7777566B1 (en) * | 2009-02-05 | 2010-08-17 | Quantance, Inc. | Amplifier compression adjustment circuit |
FR2951885B1 (fr) * | 2009-10-27 | 2011-11-25 | Thales Sa | Dispositif d'amplification multi-ports compense en presence de trafic |
US8183917B2 (en) | 2010-06-04 | 2012-05-22 | Quantance, Inc. | RF power amplifier circuit with mismatch tolerance |
US8837620B2 (en) * | 2011-05-03 | 2014-09-16 | Optis Cellular Technology, Llc | Adaptive multi-channel transmitter linearization system using a shared feedback receiver |
US20120281737A1 (en) * | 2011-05-05 | 2012-11-08 | Liang Hung | Wireless communications including distributed feedback architecture |
WO2013142662A2 (en) | 2012-03-23 | 2013-09-26 | Corning Mobile Access Ltd. | Radio-frequency integrated circuit (rfic) chip(s) for providing distributed antenna system functionalities, and related components, systems, and methods |
JP5933471B2 (ja) * | 2013-03-14 | 2016-06-08 | パナソニック株式会社 | フェーズドアレイ送信装置 |
US9184960B1 (en) | 2014-09-25 | 2015-11-10 | Corning Optical Communications Wireless Ltd | Frequency shifting a communications signal(s) in a multi-frequency distributed antenna system (DAS) to avoid or reduce frequency interference |
GB2569121A (en) * | 2017-12-05 | 2019-06-12 | Nokia Technologies Oy | Method, apparatus and arrangement for linearizing of a transmitter array |
FR3099668B1 (fr) * | 2019-07-30 | 2022-07-29 | Commissariat Energie Atomique | Dispositif d'émission radiofréquence et procédé de commande d'un tel dispositif |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2238195A (en) * | 1989-11-16 | 1991-05-22 | Motorola Inc | Feed forward amplifier with pilot tone cancellation |
US5241687A (en) * | 1991-02-14 | 1993-08-31 | Bose Corporation | Phase controlling phase of local subcarrier signal to correspond to transmitted pilot signal |
US5283587A (en) * | 1992-11-30 | 1994-02-01 | Space Systems/Loral | Active transmit phased array antenna |
GB2295524A (en) * | 1994-11-28 | 1996-05-29 | Northern Telecom Ltd | Beamed antenna system for a cellular radio base station |
US5861844A (en) * | 1994-11-29 | 1999-01-19 | Qualcomm Incorporated | Method and apparatus for providing redundant coverage within a cellular communication system |
US5561395A (en) * | 1995-01-27 | 1996-10-01 | Motorola, Inc. | Method and apparatus for self-adjusting a multistage radio frequency power amplifier |
US5751250A (en) * | 1995-10-13 | 1998-05-12 | Lucent Technologies, Inc. | Low distortion power sharing amplifier network |
US5604462A (en) * | 1995-11-17 | 1997-02-18 | Lucent Technologies Inc. | Intermodulation distortion detection in a power shared amplifier network |
US5862459A (en) * | 1996-08-27 | 1999-01-19 | Telefonaktiebolaget Lm Ericsson | Method of and apparatus for filtering intermodulation products in a radiocommunication system |
GB2318216B (en) * | 1996-10-12 | 2001-04-04 | Motorola Ltd | The stabilisation of phased array antennas |
US6226531B1 (en) * | 1998-08-24 | 2001-05-01 | Harris Corporation | High capacity broadband cellular/PCS base station using a phased array antenna |
US6275685B1 (en) * | 1998-12-10 | 2001-08-14 | Nortel Networks Limited | Linear amplifier arrangement |
US6198416B1 (en) * | 1999-04-16 | 2001-03-06 | Scott R. Velazquez | Linearity error compensator |
US6255903B1 (en) * | 1999-12-06 | 2001-07-03 | Motorola | Linear power amplifier with configurable feedforward error correction circuits |
US6320540B1 (en) * | 1999-12-07 | 2001-11-20 | Metawave Communications Corporation | Establishing remote beam forming reference line |
US6259320B1 (en) * | 1999-12-27 | 2001-07-10 | Nortel Networks Limited | Error correction within power amplifiers |
-
1998
- 1998-07-10 SE SE9802498A patent/SE513156C2/sv not_active IP Right Cessation
-
1999
- 1999-06-29 WO PCT/SE1999/001163 patent/WO2000003479A1/en active Application Filing
- 1999-06-29 AU AU49462/99A patent/AU4946299A/en not_active Abandoned
- 1999-07-09 US US09/350,719 patent/US6792251B2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
AU4946299A (en) | 2000-02-01 |
US6792251B2 (en) | 2004-09-14 |
SE513156C2 (sv) | 2000-07-17 |
WO2000003479A1 (en) | 2000-01-20 |
US20020168949A1 (en) | 2002-11-14 |
SE9802498D0 (sv) | 1998-07-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NUG | Patent has lapsed |