GB201411871D0 - Improvements to digital pre-distortion processing - Google Patents

Improvements to digital pre-distortion processing

Info

Publication number
GB201411871D0
GB201411871D0 GBGB1411871.5A GB201411871A GB201411871D0 GB 201411871 D0 GB201411871 D0 GB 201411871D0 GB 201411871 A GB201411871 A GB 201411871A GB 201411871 D0 GB201411871 D0 GB 201411871D0
Authority
GB
United Kingdom
Prior art keywords
digital pre
distortion processing
distortion
processing
digital
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.)
Granted
Application number
GBGB1411871.5A
Other versions
GB2527816B (en
GB2527816A (en
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.)
AceAxis Ltd
Original Assignee
AceAxis Ltd
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 AceAxis Ltd filed Critical AceAxis Ltd
Priority to GB1411871.5A priority Critical patent/GB2527816B/en
Publication of GB201411871D0 publication Critical patent/GB201411871D0/en
Publication of GB2527816A publication Critical patent/GB2527816A/en
Application granted granted Critical
Publication of GB2527816B publication Critical patent/GB2527816B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • H03F1/3247—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
    • H03F1/3258—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits based on polynomial terms
    • 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
    • H03F3/245—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers of transmitter output stages with semiconductor devices only
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/321—Use of a microprocessor in an amplifier circuit or its control circuit
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/435—A peak detection being used in a signal measuring circuit in a controlling circuit of an amplifier

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Nonlinear Science (AREA)
  • Algebra (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Amplifiers (AREA)
GB1411871.5A 2014-07-03 2014-07-03 Improvements to digital pre-distortion processing Expired - Fee Related GB2527816B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1411871.5A GB2527816B (en) 2014-07-03 2014-07-03 Improvements to digital pre-distortion processing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1411871.5A GB2527816B (en) 2014-07-03 2014-07-03 Improvements to digital pre-distortion processing

Publications (3)

Publication Number Publication Date
GB201411871D0 true GB201411871D0 (en) 2014-08-20
GB2527816A GB2527816A (en) 2016-01-06
GB2527816B GB2527816B (en) 2018-10-24

Family

ID=51410579

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1411871.5A Expired - Fee Related GB2527816B (en) 2014-07-03 2014-07-03 Improvements to digital pre-distortion processing

Country Status (1)

Country Link
GB (1) GB2527816B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111131104A (en) * 2019-12-12 2020-05-08 京信通信***（中国）有限公司 Pre-distortion processing method, device, storage medium and equipment
CN113468814A (en) * 2021-07-09 2021-10-01 成都德芯数字科技股份有限公司 Digital predistortion training data screening method and device based on neural network

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112953869B (en) * 2021-01-27 2023-03-28 武汉正维电子技术有限公司 Adaptive data screening method and system for base station digital intermediate frequency predistortion system

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7801245B2 (en) * 2006-12-28 2010-09-21 Alcatel-Lucent Usa Inc. Increased reliability of data captures for signal predistortion
US8005162B2 (en) * 2007-04-20 2011-08-23 Microelectronics Technology, Inc. Dynamic digital pre-distortion system
US8229025B1 (en) * 2008-08-29 2012-07-24 Xilinx, Inc. Method of and circuit for accepting a sample of an input signal to be used to calculate parameters for a predistortion circuit in an integrated circut
WO2010056736A2 (en) * 2008-11-11 2010-05-20 Axis Network Technology Ltd. Resource efficient adaptive digital pre-distortion system
EP2815502B1 (en) * 2010-04-21 2018-03-14 ZTE Corporation Improved capture buffer of digital predistortion systems

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111131104A (en) * 2019-12-12 2020-05-08 京信通信***（中国）有限公司 Pre-distortion processing method, device, storage medium and equipment
CN111131104B (en) * 2019-12-12 2022-12-06 京信网络***股份有限公司 Pre-distortion processing method, device, storage medium and equipment
CN113468814A (en) * 2021-07-09 2021-10-01 成都德芯数字科技股份有限公司 Digital predistortion training data screening method and device based on neural network
CN113468814B (en) * 2021-07-09 2024-02-27 成都德芯数字科技股份有限公司 Neural network-based digital predistortion training data screening method and device

Also Published As

Publication number Publication date
GB2527816B (en) 2018-10-24
GB2527816A (en) 2016-01-06

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20230703