CN103858397B - 一种预失真反馈方法、装置及系统 - Google Patents

一种预失真反馈方法、装置及系统 Download PDF

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CN103858397B
CN103858397B CN201380003111.1A CN201380003111A CN103858397B CN 103858397 B CN103858397 B CN 103858397B CN 201380003111 A CN201380003111 A CN 201380003111A CN 103858397 B CN103858397 B CN 103858397B
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signal
time delay
complex gain
value
feedback
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CN103858397A (zh
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牟青
周键
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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

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  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Amplifiers (AREA)
CN201380003111.1A 2013-12-26 2013-12-26 一种预失真反馈方法、装置及系统 Active CN103858397B (zh)

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PCT/CN2013/090574 WO2015096096A1 (fr) 2013-12-26 2013-12-26 Procédé, dispositif et système de rétroaction de pré-distorsion

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CN103858397A CN103858397A (zh) 2014-06-11
CN103858397B true CN103858397B (zh) 2016-09-28

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WO (1) WO2015096096A1 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103858397B (zh) * 2013-12-26 2016-09-28 华为技术有限公司 一种预失真反馈方法、装置及系统
WO2016191993A1 (fr) * 2015-05-30 2016-12-08 华为技术有限公司 Système et procédé de correction de pré-distorsion analogique (apd)
CN105897188B (zh) * 2016-03-29 2019-12-20 上海联影医疗科技有限公司 功率放大器的非线性校正方法及系统
US9813190B1 (en) * 2016-07-01 2017-11-07 Intel IP Corporation Pre-distortion calibration
CN106468560B (zh) * 2016-09-13 2019-05-28 Oppo广东移动通信有限公司 基于计步器消息的数据输出方法及装置
WO2019190515A1 (fr) * 2018-03-29 2019-10-03 Intel IP Corporation Annulation de diaphonie pour boucle de rétroaction de prédistorsion numérique
CN108600129B (zh) * 2018-04-13 2020-01-14 维沃移动通信有限公司 信号处理方法及移动终端
CN112068159B (zh) * 2020-08-25 2024-03-26 西安空间无线电技术研究所 一种导航卫星信号质量在轨优化方法
CN112838995B (zh) * 2020-12-31 2023-02-03 北京新岸线移动多媒体技术有限公司 一种宽带数字预失真方法及数字预失真器

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1204898A (zh) * 1997-06-30 1999-01-13 哈里公司 在补偿反馈系统中具有降低的a/d动态范围要求的装置
CN102685052A (zh) * 2011-03-18 2012-09-19 富士通株式会社 预失真的控制装置、方法及发射机

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1166053C (zh) * 2001-05-08 2004-09-08 华为技术有限公司 自适应射频数字预失真线性化方法及其电路
US6937175B1 (en) * 2004-04-21 2005-08-30 Hrl Laboratories, Llc Amplifier linearization using delta-sigma predistortion
KR100724934B1 (ko) * 2004-05-11 2007-06-04 삼성전자주식회사 광대역 전력 증폭기를 위한 디지털 전치 왜곡 장치 및 방법
CN100563225C (zh) * 2005-05-27 2009-11-25 华为技术有限公司 对基带数字信号进行预失真处理的通用装置
CN103858397B (zh) * 2013-12-26 2016-09-28 华为技术有限公司 一种预失真反馈方法、装置及系统

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1204898A (zh) * 1997-06-30 1999-01-13 哈里公司 在补偿反馈系统中具有降低的a/d动态范围要求的装置
CN102685052A (zh) * 2011-03-18 2012-09-19 富士通株式会社 预失真的控制装置、方法及发射机

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CN103858397A (zh) 2014-06-11
WO2015096096A1 (fr) 2015-07-02

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