CN109155769A - 一种正交频分复用的削波方法及设备 - Google Patents

一种正交频分复用的削波方法及设备 Download PDF

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Publication number
CN109155769A
CN109155769A CN201680085727.1A CN201680085727A CN109155769A CN 109155769 A CN109155769 A CN 109155769A CN 201680085727 A CN201680085727 A CN 201680085727A CN 109155769 A CN109155769 A CN 109155769A
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signal
clipping
time domain
noise
peak clipping
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CN109155769B (zh
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张胜波
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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
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Noise Elimination (AREA)

Abstract

本发明实施例公开一种正交频分复用的削波方法及设备，该方法包括：接收原始时域信号；将原始时域信号依据预设的削波门限进行削波处理后得到削峰信号；将削峰信号根据预设的补偿噪声门限进行补偿处理得到补偿噪声，其中，补偿噪声门限小于削波门限；将延迟了第二时间的削峰信号与补偿噪声正向叠加得到综合削峰噪声，其中，原始时域信号对应的虚拟子载波变换矩阵与综合削峰噪声的乘积为零；将综合削峰噪声反向叠加到延迟了第一时间的原始时域信号以得到输出信号。通过实施本发明实施例，能够保证原始时域信号在经削波处理后得到的信号更大概率地落入到削波门限以下。

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PCT国内申请，说明书已公开。

Claims (10)

  1. PCT国内申请，权利要求书已公开。
CN201680085727.1A 2016-06-17 2016-06-17 一种正交频分复用的削波方法及设备 Active CN109155769B (zh)

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CN111541482A (zh) * 2020-04-20 2020-08-14 北京邮电大学 一种直接检测光通信系统中数字信号预处理方法及装置
CN112968854A (zh) * 2021-02-03 2021-06-15 青岛鼎信通讯股份有限公司 一种适用于中压载波系统的分段阈值削峰方法

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CN115460050B (zh) * 2021-12-24 2024-08-16 北京环佳通信技术有限公司 一种无迭代的子载波预留削峰方法

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CN101369998B (zh) * 2007-08-14 2011-03-16 大唐移动通信设备有限公司 一种数字削峰方法及装置
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Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101076008A (zh) * 2007-07-17 2007-11-21 华为技术有限公司 信号的削波处理方法和设备
CN101442348A (zh) * 2008-12-22 2009-05-27 华为技术有限公司 一种信号削波方法、装置、系统以及信号发射系统
US20140003553A1 (en) * 2012-06-28 2014-01-02 Fujitsu Limited Predistortion apparatus for power amplifier
CN104717162A (zh) * 2013-12-13 2015-06-17 天津工业大学 Ofdm超宽带系统非线性失真恢复与信道估计高效联合方法
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111541482A (zh) * 2020-04-20 2020-08-14 北京邮电大学 一种直接检测光通信系统中数字信号预处理方法及装置
CN112968854A (zh) * 2021-02-03 2021-06-15 青岛鼎信通讯股份有限公司 一种适用于中压载波系统的分段阈值削峰方法
CN112968854B (zh) * 2021-02-03 2022-03-29 青岛鼎信通讯股份有限公司 一种适用于中压载波系统的分段阈值削峰方法

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WO2017214998A1 (zh) 2017-12-21

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