CN111656682A - 功率调整的方法和装置 - Google Patents

功率调整的方法和装置 Download PDF

Info

Publication number
CN111656682A
CN111656682A CN201880087957.0A CN201880087957A CN111656682A CN 111656682 A CN111656682 A CN 111656682A CN 201880087957 A CN201880087957 A CN 201880087957A CN 111656682 A CN111656682 A CN 111656682A
Authority
CN
China
Prior art keywords
signal
output
value
power
dpd
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
CN201880087957.0A
Other languages
English (en)
Other versions
CN111656682B (zh
Inventor
蔡梦
李昆
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.)
Huawei Technologies Co Ltd
Original Assignee
Huawei Technologies Co 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 Huawei Technologies Co Ltd filed Critical Huawei Technologies Co Ltd
Publication of CN111656682A publication Critical patent/CN111656682A/zh
Application granted granted Critical
Publication of CN111656682B publication Critical patent/CN111656682B/zh
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • 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
    • 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
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/02—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
    • H03F1/0205—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers
    • H03F1/0211—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers with control of the supply voltage or current
    • H03F1/0216—Continuous control
    • H03F1/0222—Continuous control by using a signal derived from the input signal
    • 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
    • H03F1/02—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
    • H03F1/0205—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers
    • H03F1/0261—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers with control of the polarisation voltage or current, e.g. gliding Class A
    • H03F1/0266—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers with control of the polarisation voltage or current, e.g. gliding Class A by using a signal derived from the input signal
    • 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
    • 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
    • H03F2200/451—Indexing scheme relating to amplifiers the amplifier being a radio frequency amplifier
    • 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
    • H03F2201/3233—Adaptive predistortion using lookup table, e.g. memory, RAM, ROM, LUT, to generate the predistortion
    • 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
    • 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
    • H04B2001/0433—Circuits with power amplifiers with linearisation using feedback
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0041—Arrangements at the transmitter end

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Transmitters (AREA)
  • Amplifiers (AREA)
  • Control Of Amplification And Gain Control (AREA)

Abstract

本申请提供了一种功率调整的方法和装置，其中，该方法包括：获取待输出信号；对待输出信号进行第一自动增益控制AGC处理，得到经过第一AGC处理的待输出信号，以及得到待输出信号的增益值；对经过第一AGC处理的待输出信号进行数字预失真DPD处理，得到经过DPD处理的待输出信号；根据增益值，计算输出功率回退OBO值；基于OBO值，对经过DPD处理的待输出信号的输出功率进行调整；向信号接收端发送经过功率调整的待输出信号。通过本申请实施例的功率调整的方法和装置，可以提升IMD3频谱以及I/Q信号的EVM性能。

Description

PCT国内申请，说明书已公开。

Claims (26)

  1. PCT国内申请，权利要求书已公开。
CN201880087957.0A 2018-02-12 2018-02-12 功率调整的方法、装置和介质 Active CN111656682B (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2018/076439 WO2019153328A1 (zh) 2018-02-12 2018-02-12 功率调整的方法和装置

Publications (2)

Publication Number Publication Date
CN111656682A true CN111656682A (zh) 2020-09-11
CN111656682B CN111656682B (zh) 2022-01-14

Family

ID=67547909

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201880087957.0A Active CN111656682B (zh) 2018-02-12 2018-02-12 功率调整的方法、装置和介质

Country Status (4)

Country Link
US (1) US11075659B2 (zh)
EP (1) EP3736979B1 (zh)
CN (1) CN111656682B (zh)
WO (1) WO2019153328A1 (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023186176A1 (zh) * 2022-04-01 2023-10-05 华为技术有限公司 一种dpd参数信息的性能评估方法、装置及系统

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113709074A (zh) * 2020-05-21 2021-11-26 中兴通讯股份有限公司 基带信号处理方法、基带处理单元、基站
CN114143866B (zh) * 2020-09-04 2023-08-15 成都鼎桥通信技术有限公司 接收机上行链路的防饱和方法、设备及存储介质
CN113573394B (zh) * 2021-07-29 2022-09-27 中国联合网络通信集团有限公司 一种控制方法及装置
US11621752B1 (en) * 2022-03-28 2023-04-04 Qualcomm Incorporated Transmit power violation protection mechanism in a radio unit of a disaggregated base station

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101478522A (zh) * 2009-02-11 2009-07-08 航天恒星科技有限公司 一种ofdm系统中基于二维查询表的自适应预失真方法
CN102394845A (zh) * 2011-11-02 2012-03-28 上海无线电设备研究所 一种具有漏极调制功能的数字预失真装置
JP2012186568A (ja) * 2011-03-03 2012-09-27 Nec Corp 電力増幅器、電力増幅器の制御方法、電力増幅器の制御プログラム
CN103391057A (zh) * 2012-05-11 2013-11-13 京信通信系统（中国）有限公司 一种逆f类功率放大器、发射器及处理方法
US20150028947A1 (en) * 2013-07-26 2015-01-29 Fujitsu Limited Distortion compensation apparatus and method

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5193224A (en) * 1991-04-24 1993-03-09 Northern Telecom Limited Adaptive phase control for a power amplifier predistorter
US5900927A (en) * 1993-10-13 1999-05-04 Fuji Photo Film Co., Ltd. Variable target autofocusing and range finder for measuring distance to a subject
WO2007132916A1 (ja) * 2006-05-17 2007-11-22 Nec Corporation 歪み制御装置及び方法
US20090310705A1 (en) * 2007-03-08 2009-12-17 Nec Corporation Ofdm-modulated-wave output unit and distortion compensating method
CN102098247A (zh) * 2010-11-27 2011-06-15 武汉虹信通信技术有限责任公司 高效率、高线性直放站系统及其高效率和高线性实现方法
CN102420573A (zh) * 2011-12-02 2012-04-18 熊猫电子集团有限公司 集群通信功率放大的设置方法与功率放大器
US8774298B2 (en) * 2012-04-23 2014-07-08 Cambridge Silicon Radio Limited Transmitter with adaptive back-off
US9363130B2 (en) * 2012-11-15 2016-06-07 Zte (Usa) Inc. Dynamic digital predistortion for a microwave radio system
KR20150046508A (ko) * 2013-10-22 2015-04-30 주식회사 케이엠더블유 무선 주파수 송신기의 출력 제어 장치
US10461786B2 (en) * 2015-12-07 2019-10-29 Telefonaktiebolaget Lm Ericsson (Publ) Apparatus and method for controlling amplifiers
US20190059060A1 (en) * 2017-08-16 2019-02-21 Qualcomm Incorporated Input power backoff signaling

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101478522A (zh) * 2009-02-11 2009-07-08 航天恒星科技有限公司 一种ofdm系统中基于二维查询表的自适应预失真方法
JP2012186568A (ja) * 2011-03-03 2012-09-27 Nec Corp 電力増幅器、電力増幅器の制御方法、電力増幅器の制御プログラム
CN102394845A (zh) * 2011-11-02 2012-03-28 上海无线电设备研究所 一种具有漏极调制功能的数字预失真装置
CN103391057A (zh) * 2012-05-11 2013-11-13 京信通信系统（中国）有限公司 一种逆f类功率放大器、发射器及处理方法
US20150028947A1 (en) * 2013-07-26 2015-01-29 Fujitsu Limited Distortion compensation apparatus and method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023186176A1 (zh) * 2022-04-01 2023-10-05 华为技术有限公司 一种dpd参数信息的性能评估方法、装置及系统

Also Published As

Publication number Publication date
CN111656682B (zh) 2022-01-14
WO2019153328A1 (zh) 2019-08-15
US11075659B2 (en) 2021-07-27
EP3736979B1 (en) 2023-03-29
EP3736979A4 (en) 2021-01-27
US20200373950A1 (en) 2020-11-26
EP3736979A1 (en) 2020-11-11

Similar Documents

Publication Publication Date Title
CN111656682B (zh) 功率调整的方法、装置和介质
US10601378B2 (en) Distributed antenna system architectures
EP3032739B1 (en) Envelope tracking in connection with simultaneous transmission in one or more frequency bands
CN109845118B (zh) 一种塔顶设备及无源互调消除方法
US20110158081A1 (en) Remote radio head unit system with wideband power amplifier and method
CN104205704A (zh) 数字预失真滤波器系统和方法
US20150117277A1 (en) Data transmission method and system
CN105703715A (zh) 具有功率放大器波峰因子消减的通信设备
CN108141243B (zh) 一种非线性干扰的抵消方法和装置
US20210258816A1 (en) Interference cancellation method, device, and system
WO2019190551A1 (en) Feedback control systems for wireless devices
CN103518331B (zh) 发射机和用于信号发射的方法
US20220045649A1 (en) Signal processing method, apparatus, and system
US10985705B2 (en) Pre-distortion processing method and apparatus
KR100340197B1 (ko) 코드분할다중접속 시스템에서 적응성 보상 회로를 이용한협대역 간섭잡음 제어 장치 및 그 방법
WO2017041565A1 (zh) 信号处理方法和基站
CN109995393B (zh) 一种校正装置及方法
WO2019062894A1 (en) INTER-BAND DISTORTION AND INTERFERENCE MITIGATION IN COMMUNICATION SYSTEMS
Shah et al. Power-efficient LTE MACRO eNodeB: A comprehensive survey
WO2024103211A1 (zh) 一种通信方法及装置
Kumagai et al. High-efficiency power amplifier for LTE/W-CDMA system
Cai et al. A novel efficient wireless fronthaul (EWF) method for the common public radio interface (CPRI) signal transmission
CN111971914A (zh) 无线数据传输
US20240121145A1 (en) Reconfigurable crest factor reduction in a distributed communication system
EP4367852A1 (en) Reducing signal distortion

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant