CN110771104A - 预失真处理方法和装置 - Google Patents

预失真处理方法和装置 Download PDF

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Publication number
CN110771104A
CN110771104A CN201780090885.0A CN201780090885A CN110771104A CN 110771104 A CN110771104 A CN 110771104A CN 201780090885 A CN201780090885 A CN 201780090885A CN 110771104 A CN110771104 A CN 110771104A
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signals
baseband
signal
path
paths
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CN110771104B (zh
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安德烈·伏罗比耶夫
洪艺伟
李珽
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/38—Synchronous or start-stop systems, e.g. for Baudot code
    • H04L25/40—Transmitting circuits; Receiving circuits
    • H04L25/49—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems
    • 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
    • H03F3/189—High-frequency amplifiers, e.g. radio frequency amplifiers
    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/68—Combinations of amplifiers, e.g. multi-channel amplifiers for stereophonics
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/02—Transmitters
    • H04B1/04—Circuits
    • H04B1/0475—Circuits with means for limiting noise, interference or distortion
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/30—Monitoring; Testing of propagation channels
    • H04B17/309—Measuring or estimating channel quality parameters
    • H04B17/336—Signal-to-interference ratio [SIR] or carrier-to-interference ratio [CIR]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/451—Indexing scheme relating to amplifiers the amplifier being a radio frequency amplifier
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/02—Transmitters
    • H04B1/04—Circuits
    • H04B2001/0408—Circuits with power amplifiers
    • H04B2001/0425—Circuits with power amplifiers with linearisation using predistortion

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Analysis (AREA)
  • General Physics & Mathematics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Algebra (AREA)
  • Quality & Reliability (AREA)
  • Electromagnetism (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Amplifiers (AREA)
  • Dc Digital Transmission (AREA)
  • Transmitters (AREA)

Abstract

本申请提供了一种预失真处理方法和装置，其中，该装置包括第一预失真部分和第二预失真部分，第一预失真部分包括N个DPD处理器，通过第一预失真部分和第二预失真部分对信号进行预失真处理，以支持功率放大器对信号的线性放大。通过本申请提供的预失真处理装置，可以提高功率放大器的放大效率，降低预失真处理装置的设计复杂度，节省成本，降低功耗。

Description

PCT国内申请，说明书已公开。

Claims (20)

  1. PCT国内申请，权利要求书已公开。
CN201780090885.0A 2017-05-31 2017-05-31 预失真处理方法和装置 Active CN110771104B (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2017/086564 WO2018218487A1 (zh) 2017-05-31 2017-05-31 预失真处理方法和装置

Publications (2)

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CN110771104A true CN110771104A (zh) 2020-02-07
CN110771104B CN110771104B (zh) 2021-01-29

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US (1) US10985705B2 (zh)
JP (1) JP7058676B2 (zh)
KR (1) KR102298431B1 (zh)
CN (1) CN110771104B (zh)
CA (1) CA3065407C (zh)
WO (1) WO2018218487A1 (zh)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101641448A (zh) 2007-03-22 2010-02-03 纳诺洛吉克斯公司 微生物在透明渗透膜上的检测和鉴定
US11973472B2 (en) * 2021-01-05 2024-04-30 Newracom, Inc. Digitally assisted radio frequency transmitter
WO2023075325A1 (en) 2021-10-28 2023-05-04 Samsung Electronics Co., Ltd. Apparatus and method for controlling non-linear effect of power amplifier
US20260066928A1 (en) * 2022-09-02 2026-03-05 Telefonaktiebolaget Lm Ericsson (Publ) Reduced complexity frequency selective linearization
CN118118042A (zh) * 2022-11-29 2024-05-31 成都华为技术有限公司 一种多通道非线性对消系统、方法及装置
US20240275414A1 (en) * 2023-02-14 2024-08-15 Hfcl Limited Method and system for managing radio frequency signal coupling
WO2025116788A1 (en) * 2023-11-28 2025-06-05 Telefonaktiebolaget Lm Ericsson (Publ) Feedforward transmitter arrangement and method therein

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120230382A1 (en) * 2007-12-07 2012-09-13 Dali Systems Co., Ltd. Systems and methods for providing integrated financial calculations and action plans
CN105357157A (zh) * 2015-11-04 2016-02-24 天津创融科技有限公司 一种多天线通信系统的数字预失真装置及方法
CN106341089A (zh) * 2015-07-06 2017-01-18 联发科技股份有限公司 闭环数字预失真电路及相关方法、设备
CN106537862A (zh) * 2014-04-30 2017-03-22 华为技术有限公司 一种预失真系统和方法

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002190712A (ja) 2000-10-11 2002-07-05 Matsushita Electric Ind Co Ltd アレーアンテナ装置
KR100472070B1 (ko) * 2002-10-16 2005-03-10 한국전자통신연구원 선형화가 가능한 적응 배열 안테나 시스템 및 그 선형화방법
US7873331B2 (en) * 2006-06-04 2011-01-18 Samsung Electro-Mechanics Company, Ltd. Systems, methods, and apparatuses for multi-path orthogonal recursive predistortion
CN101272373B (zh) * 2008-05-07 2010-09-08 北京北方烽火科技有限公司 一种自适应模拟正交调制失衡补偿方法和装置
CN101594327B (zh) * 2008-05-26 2012-06-13 芯通科技（成都）有限公司 多通道数字预失真处理装置及预失真处理方法
JP5404219B2 (ja) 2009-07-08 2014-01-29 三菱電機株式会社 アレーアンテナ用送信機
US8615208B2 (en) 2010-11-02 2013-12-24 Crestcom, Inc. Transmitter linearized in response to signal magnitude derivative parameter and method therefor
CN201947295U (zh) * 2010-12-22 2011-08-24 成都凯腾四方数字广播电视设备有限公司 基于多通道反馈的数字电视发射机基带线性化装置
CN102055411B (zh) * 2010-12-22 2013-06-05 成都凯腾四方数字广播电视设备有限公司 基于多通道反馈的功率放大器线性化校正电路及方法
CN201947373U (zh) * 2011-01-21 2011-08-24 成都凯腾四方数字广播电视设备有限公司 一种高效率数字电视发射装置
US8537041B2 (en) * 2011-05-12 2013-09-17 Andrew Llc Interpolation-based digital pre-distortion architecture
JP5696622B2 (ja) 2011-08-26 2015-04-08 富士通株式会社 無線送信装置
KR101967370B1 (ko) 2011-12-26 2019-04-11 삼성전자주식회사 무선 통신 시스템에서 송신기 어레이 왜곡 보상 장치 및 그 제어 방법
WO2012103853A2 (zh) 2012-04-17 2012-08-09 华为技术有限公司 接收和发送信号的方法、发射机、接收机及其系统

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120230382A1 (en) * 2007-12-07 2012-09-13 Dali Systems Co., Ltd. Systems and methods for providing integrated financial calculations and action plans
CN106537862A (zh) * 2014-04-30 2017-03-22 华为技术有限公司 一种预失真系统和方法
CN106341089A (zh) * 2015-07-06 2017-01-18 联发科技股份有限公司 闭环数字预失真电路及相关方法、设备
CN105357157A (zh) * 2015-11-04 2016-02-24 天津创融科技有限公司 一种多天线通信系统的数字预失真装置及方法

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
HUAWEI, HISILICON: "Discussion on affecting factors for EVM requirement", 《3GPP TSG-RAN WG4 MEETING 79 R4-163968》 *

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KR20200010475A (ko) 2020-01-30
CA3065407A1 (en) 2018-12-06
WO2018218487A1 (zh) 2018-12-06
US10985705B2 (en) 2021-04-20
US20200099347A1 (en) 2020-03-26
KR102298431B1 (ko) 2021-09-07
JP2020522928A (ja) 2020-07-30
CN110771104B (zh) 2021-01-29
JP7058676B2 (ja) 2022-04-22
CA3065407C (en) 2022-03-15

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