JP4148892B2 - フィードフォワード増幅器およびフィードフォワード増幅器制御方法 - Google Patents

フィードフォワード増幅器およびフィードフォワード増幅器制御方法 Download PDF

Info

Publication number
JP4148892B2
JP4148892B2 JP2003521523A JP2003521523A JP4148892B2 JP 4148892 B2 JP4148892 B2 JP 4148892B2 JP 2003521523 A JP2003521523 A JP 2003521523A JP 2003521523 A JP2003521523 A JP 2003521523A JP 4148892 B2 JP4148892 B2 JP 4148892B2
Authority
JP
Japan
Prior art keywords
signal
gain
controller
tap
phase
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
Application number
JP2003521523A
Other languages
English (en)
Japanese (ja)
Other versions
JP2005500738A (ja
JP2005500738A5 (enExample
Inventor
ブロジェット、ジェームズ、アール．
Original Assignee
ソマ ネットワークス インコーポレイテッド
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by ソマ ネットワークス インコーポレイテッド filed Critical ソマ ネットワークス インコーポレイテッド
Publication of JP2005500738A publication Critical patent/JP2005500738A/ja
Publication of JP2005500738A5 publication Critical patent/JP2005500738A5/ja
Application granted granted Critical
Publication of JP4148892B2 publication Critical patent/JP4148892B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • H03F1/3223—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
    • H03F1/3235—Modifications of amplifiers to reduce non-linear distortion using feed-forward using a loop for error extraction and another loop for error subtraction using a pilot signal
    • 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
    • H03F2201/3212—Using a control circuit to adjust amplitude and phase of a signal in a signal path

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Feedback Control In General (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
JP2003521523A 2001-08-13 2002-08-12 フィードフォワード増幅器およびフィードフォワード増幅器制御方法 Expired - Fee Related JP4148892B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US31135801P 2001-08-13 2001-08-13
US10/016,691 US6614298B2 (en) 2001-08-13 2001-12-17 Apparatus and method for controlling adaptive circuits
PCT/US2002/025557 WO2003017553A2 (en) 2001-08-13 2002-08-12 Apparatus and method for controlling adaptive circuits

Publications (3)

Publication Number Publication Date
JP2005500738A JP2005500738A (ja) 2005-01-06
JP2005500738A5 JP2005500738A5 (enExample) 2006-01-05
JP4148892B2 true JP4148892B2 (ja) 2008-09-10

Family

ID=26688951

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2003521523A Expired - Fee Related JP4148892B2 (ja) 2001-08-13 2002-08-12 フィードフォワード増幅器およびフィードフォワード増幅器制御方法

Country Status (7)

Country Link
US (3) US6614298B2 (enExample)
EP (1) EP1476942A4 (enExample)
JP (1) JP4148892B2 (enExample)
AU (1) AU2002323115B2 (enExample)
CA (1) CA2495113A1 (enExample)
MX (1) MXPA04001433A (enExample)
WO (1) WO2003017553A2 (enExample)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6614298B2 (en) 2001-08-13 2003-09-02 Soma Networks, Inc. Apparatus and method for controlling adaptive circuits
US6771125B2 (en) * 2002-03-01 2004-08-03 Andrew Corporation Tuning feed-forward amplifiers and the like
US7110739B2 (en) * 2003-04-10 2006-09-19 Powerwave Technologies, Inc. Multi-transmitter communication system employing anti-phase pilot signals
US7656931B2 (en) 2003-12-31 2010-02-02 Ut-Battelle, Llc Hybrid spread spectrum radio system
US7038541B2 (en) * 2004-05-28 2006-05-02 Andrew Corporation Adaptive feed-forward amplifiers and the like
KR101158153B1 (ko) * 2004-09-09 2012-06-19 에이저 시스템즈 인크 다중 안테나 통신 시스템에서의 데이터 전송 방법, 다중 안테나 통신 시스템의 송신기, 다중 안테나 통신 시스템에서의 데이터 수신 방법 및 다중 안테나 통신 시스템의 수신기
US9369771B2 (en) 2007-12-18 2016-06-14 Thomson Licensing Apparatus and method for file size estimation over broadcast networks
WO2009102581A1 (en) * 2008-02-11 2009-08-20 Qualcomm Mems Technologies, Inc. Impedance sensing to determine pixel state in a passively addressed display array
US20090201282A1 (en) * 2008-02-11 2009-08-13 Qualcomm Mems Technologies, Inc Methods of tuning interferometric modulator displays
US8258800B2 (en) * 2008-02-11 2012-09-04 Qualcomm Mems Technologies, Inc. Methods for measurement and characterization of interferometric modulators
WO2009102622A2 (en) * 2008-02-11 2009-08-20 Qualcomm Mems Technologies, Inc. Methods for measurement and characterization of interferometric modulators
EP2252991A1 (en) * 2008-02-11 2010-11-24 QUALCOMM MEMS Technologies, Inc. Method and apparatus for sensing, measurement or characterization of display elements integrated with the display drive scheme, and system and applications using the same
US9331513B2 (en) * 2008-04-11 2016-05-03 Apple Inc. Adaptive surface concentration battery charging
US9893682B2 (en) * 2015-06-30 2018-02-13 Skyworks Solutions, Inc. Amplifier linearization in a radio frequency system
US9899966B2 (en) * 2016-06-16 2018-02-20 Bae Systems Information And Electronic Systems Integration Inc. Wideband high dynamic range low noise amplifier
US11997363B2 (en) * 2021-04-14 2024-05-28 Charter Communications Operating, Llc Regenerative active distributed networks
US11917260B2 (en) 2022-03-15 2024-02-27 Charter Communications Operating, Llc Transparent clock functionality in regenerative taps

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1231234A (en) * 1916-05-18 1917-06-26 Ogle Construction Company Hoist mechanism.
US3471798A (en) 1967-12-26 1969-10-07 Bell Telephone Labor Inc Feed-forward amplifier
US3649927A (en) 1970-02-27 1972-03-14 Bell Telephone Labor Inc Feed-fordward amplifier
US5093668A (en) 1989-06-29 1992-03-03 Ball Corporation Multiple-beam array antenna
CA2046413C (en) 1990-07-11 1994-01-04 Shoichi Narahashi Feed-forward amplifier
JPH06154984A (ja) * 1992-11-27 1994-06-03 Hanano Shoji Kk 金型鋳造用粉末塗型剤のスプレー方法
BR9307635A (pt) * 1992-12-15 1999-08-31 British Tech Group Método e aparelho para o processamento de sinal utilizando sinais de referência
US5386198A (en) * 1993-01-28 1995-01-31 Telefonaktiebolaget L M Ericsson Linear amplifier control
US5491454A (en) 1994-10-31 1996-02-13 Motorola, Inc. Method and apparatus for reducing distortion in an output signal of an amplifier
US5870668A (en) 1995-08-18 1999-02-09 Fujitsu Limited Amplifier having distortion compensation and base station for radio communication using the same
US5768699A (en) 1995-10-20 1998-06-16 Aml Communications, Inc. Amplifier with detuned test signal cancellation for improved wide-band frequency response
US5796304A (en) 1996-04-24 1998-08-18 Powerwave Technologies, Inc. Broadband amplifier with quadrature pilot signal
DE19650388A1 (de) 1996-12-05 1998-06-18 Bosch Gmbh Robert Schaltung zur Linearisierung eines Verstärkers
US6256482B1 (en) * 1997-04-07 2001-07-03 Frederick H. Raab Power- conserving drive-modulation method for envelope-elimination-and-restoration (EER) transmitters
US5874856A (en) 1997-06-30 1999-02-23 Motorola, Inc. Feed forward amplifier
US5963091A (en) 1998-04-01 1999-10-05 Chen; Jiunn-Tsair Article comprising a power amplifier with feed forward linearizer using a RLS parameter tracking algorithm
US6166600A (en) 1998-08-31 2000-12-26 Lucent Technologies Inc. Automatic gain and phase controlled feedforward amplifier without pilot signal
US5926067A (en) 1998-09-29 1999-07-20 Lucent Technologies Inc. Sweep pilot technique for a control system that reduces distortion produced by electrical circuits
EP1014564B1 (en) 1998-12-14 2008-10-22 Ntt Mobile Communications Network Inc. Feedforward amplifier
US6236267B1 (en) * 1998-12-29 2001-05-22 International Business Machines Corporation Linearization for power amplifiers using feed-forward and feedback control
US6340915B1 (en) 2000-11-20 2002-01-22 Soma Networks, Inc. Feed forward amplifier
US6901108B2 (en) 2001-05-04 2005-05-31 Lucent Technologies Inc. Apparatus and method for adaptive control
US6614298B2 (en) 2001-08-13 2003-09-02 Soma Networks, Inc. Apparatus and method for controlling adaptive circuits

Also Published As

Publication number Publication date
JP2005500738A (ja) 2005-01-06
MXPA04001433A (es) 2005-10-05
WO2003017553A2 (en) 2003-02-27
CA2495113A1 (en) 2003-02-27
US7538632B2 (en) 2009-05-26
US20070176678A1 (en) 2007-08-02
AU2002323115B2 (en) 2008-11-20
EP1476942A4 (en) 2005-01-05
US6614298B2 (en) 2003-09-02
US7218172B2 (en) 2007-05-15
US20030034834A1 (en) 2003-02-20
WO2003017553A3 (en) 2003-04-03
US20050040888A1 (en) 2005-02-24
EP1476942A2 (en) 2004-11-17

Similar Documents

Publication Publication Date Title
JP4148892B2 (ja) フィードフォワード増幅器およびフィードフォワード増幅器制御方法
US5113525A (en) Linear-modulation type radio transmitter
JP4652974B2 (ja) タイミング調整装置及びタイミング調整方法
KR100740177B1 (ko) 비선형 엔벨로프 검출기를 이용한 송신기의 미스매치를보상하는 방법 및 장치
US7994854B2 (en) Circuit with a power amplifier and amplification method
AU2002323115A1 (en) Apparatus and method for controlling adaptive circuits
WO2014187920A1 (en) Transfer function regulation
JP2001053552A (ja) フィードフォワード増幅回路、及びフィードフォワード増幅回路における非線形歪の補償方法。
US6320461B1 (en) Ultra-linear feedforward RF power amplifier
CN103891135B (zh) 包络跟踪放大级中的时间和振幅调整
JPWO2006054464A1 (ja) 送信回路、送信方法、及びそれを用いた通信機器
JP2005500738A5 (enExample)
KR100564676B1 (ko) 출력 신호의 진폭 및 위상 제어 방법, 자동 이득 및 위상 제어기, 및 피드포워드 증폭기
JP4336968B2 (ja) 移動体通信機器および送信電力制御方法
JP2008211449A (ja) Ｅｅｒ増幅装置、ｅｅｒ増幅装置における同期制御方法、および無線通信装置
CN100530951C (zh) 延迟失配前馈放大器、系统以及控制方法
JPH04103207A (ja) リニア変調波自動電力制御装置
JP2005531224A (ja) フォワード増幅器
JP2000244341A (ja) カーテシアン・フィードバック回路における飽和防止回路
JP2006333111A (ja) 自動利得制御回路、自動利得制御方法およびバースト受信モデム
AU5597899A (en) Feedforward amplifier and method of amplifying signals
KR200233423Y1 (ko) 확산대역통신시스템의트래킹위상보정회로
JP4655158B2 (ja) 移動体通信機器およびその送信電力制御方法
JPH07283658A (ja) 歪補償器
JPH06224650A (ja) 歪補償増幅器

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20050810

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20050810

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20080130

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20080205

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20080507

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20080603

A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20080624

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20110704

Year of fee payment: 3

R150 Certificate of patent or registration of utility model

Free format text: JAPANESE INTERMEDIATE CODE: R150

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20110704

Year of fee payment: 3

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20120704

Year of fee payment: 4

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20120704

Year of fee payment: 4

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20130704

Year of fee payment: 5

S111 Request for change of ownership or part of ownership

Free format text: JAPANESE INTERMEDIATE CODE: R313113

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20130704

Year of fee payment: 5

R350 Written notification of registration of transfer

Free format text: JAPANESE INTERMEDIATE CODE: R350

R371 Transfer withdrawn

Free format text: JAPANESE INTERMEDIATE CODE: R371

S111 Request for change of ownership or part of ownership

Free format text: JAPANESE INTERMEDIATE CODE: R313113

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20130704

Year of fee payment: 5

R350 Written notification of registration of transfer

Free format text: JAPANESE INTERMEDIATE CODE: R350

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20130704

Year of fee payment: 5

RD03 Notification of appointment of power of attorney

Free format text: JAPANESE INTERMEDIATE CODE: R3D03

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

S531 Written request for registration of change of domicile

Free format text: JAPANESE INTERMEDIATE CODE: R313531

R350 Written notification of registration of transfer

Free format text: JAPANESE INTERMEDIATE CODE: R350

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

LAPS Cancellation because of no payment of annual fees