AU2002323115B2 - Apparatus and method for controlling adaptive circuits - Google Patents

Apparatus and method for controlling adaptive circuits Download PDF

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Publication number
AU2002323115B2
AU2002323115B2 AU2002323115A AU2002323115A AU2002323115B2 AU 2002323115 B2 AU2002323115 B2 AU 2002323115B2 AU 2002323115 A AU2002323115 A AU 2002323115A AU 2002323115 A AU2002323115 A AU 2002323115A AU 2002323115 B2 AU2002323115 B2 AU 2002323115B2
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AU
Australia
Prior art keywords
signal
input
feed
tap
gain
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.)
Ceased
Application number
AU2002323115A
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English (en)
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AU2002323115A1 (en
Inventor
James R. Blodgett
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Soma Networks Inc
Original Assignee
Soma Networks Inc
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Filing date
Publication date
Application filed by Soma Networks Inc filed Critical Soma Networks Inc
Publication of AU2002323115A1 publication Critical patent/AU2002323115A1/en
Application granted granted Critical
Publication of AU2002323115B2 publication Critical patent/AU2002323115B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Feedback Control In General (AREA)
AU2002323115A 2001-08-13 2002-08-12 Apparatus and method for controlling adaptive circuits Ceased AU2002323115B2 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US31135801P 2001-08-13 2001-08-13
US60/311,358 2001-08-13
US10/016,691 2001-12-17
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 (2)

Publication Number Publication Date
AU2002323115A1 AU2002323115A1 (en) 2003-05-29
AU2002323115B2 true AU2002323115B2 (en) 2008-11-20

Family

ID=26688951

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2002323115A Ceased AU2002323115B2 (en) 2001-08-13 2002-08-12 Apparatus and method for controlling adaptive circuits

Country Status (7)

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

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
JP2008512963A (ja) * 2004-09-09 2008-04-24 アギア システムズ インコーポレーテッド マルチ・アンテナ通信システムにおいて直交パイロット・トーンを伝達するための方法および装置
JP2011507127A (ja) 2007-12-18 2011-03-03 トムソン ライセンシング 放送ネットワークを通じてファイルのサイズを推定する装置及び方法
KR20100121498A (ko) * 2008-02-11 2010-11-17 퀄컴 엠이엠스 테크놀로지스, 인크. 디스플레이 구동 체계가 통합된 표시소자의 감지, 측정 혹은 평가 방법 및 장치, 그리고 이를 이용한 시스템 및 용도
US20090201282A1 (en) * 2008-02-11 2009-08-13 Qualcomm Mems Technologies, Inc Methods of tuning interferometric modulator displays
US8466858B2 (en) * 2008-02-11 2013-06-18 Qualcomm Mems Technologies, Inc. Sensing to determine pixel state in a passively addressed display array
WO2009102620A2 (en) * 2008-02-11 2009-08-20 Qualcomm Mems Technologies Inc. Methods for measurement and characterization of interferometric modulators
US8258800B2 (en) * 2008-02-11 2012-09-04 Qualcomm Mems Technologies, Inc. Methods for measurement and characterization of interferometric modulators
US9331513B2 (en) * 2008-04-11 2016-05-03 Apple Inc. Adaptive surface concentration battery charging
US20170005624A1 (en) 2015-06-30 2017-01-05 Skyworks Solutions, Inc. Parallel 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

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US5385196A (en) * 1992-11-27 1995-01-31 Hanano Corporation Spray method of permanent mold casting powdery mold coating agent
US5576659A (en) * 1992-12-15 1996-11-19 British Technology Group Limited Method and apparatus for signal processing using reference signals
US5796304A (en) * 1996-04-24 1998-08-18 Powerwave Technologies, Inc. Broadband amplifier with quadrature pilot signal

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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
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
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
US6208204B1 (en) 1998-12-14 2001-03-27 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

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5385196A (en) * 1992-11-27 1995-01-31 Hanano Corporation Spray method of permanent mold casting powdery mold coating agent
US5576659A (en) * 1992-12-15 1996-11-19 British Technology Group Limited Method and apparatus for signal processing using reference signals
US5796304A (en) * 1996-04-24 1998-08-18 Powerwave Technologies, Inc. Broadband amplifier with quadrature pilot signal

Also Published As

Publication number Publication date
EP1476942A4 (en) 2005-01-05
US7538632B2 (en) 2009-05-26
MXPA04001433A (es) 2005-10-05
JP4148892B2 (ja) 2008-09-10
US20030034834A1 (en) 2003-02-20
US20050040888A1 (en) 2005-02-24
WO2003017553A3 (en) 2003-04-03
US20070176678A1 (en) 2007-08-02
WO2003017553A2 (en) 2003-02-27
EP1476942A2 (en) 2004-11-17
CA2495113A1 (en) 2003-02-27
JP2005500738A (ja) 2005-01-06
US6614298B2 (en) 2003-09-02
US7218172B2 (en) 2007-05-15

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Legal Events

Date Code Title Description
FGA Letters patent sealed or granted (standard patent)
MK14 Patent ceased section 143(a) (annual fees not paid) or expired