CN109417763A - 一种信号传输方法、系统及装置 - Google Patents

一种信号传输方法、系统及装置 Download PDF

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Publication number
CN109417763A
CN109417763A CN201780042382.6A CN201780042382A CN109417763A CN 109417763 A CN109417763 A CN 109417763A CN 201780042382 A CN201780042382 A CN 201780042382A CN 109417763 A CN109417763 A CN 109417763A
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China
Prior art keywords
signal
signal segment
scaling
segment
transmitter
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CN201780042382.6A
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CN109417763B (zh
Inventor
李良
李泓
孙德福
代秀琼
罗锐
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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
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/06—TPC algorithms

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

Abstract

本申请公开了一种信号传输方法、系统及装置。本申请方法包括：发射机获取设定长度的待传输信号段；发射机根据所获取到的信号段中信号的功率，计算所述信号段对应的缩放系数，并使用所述信号段对应的缩放系数对所述信号段中信号的幅值进行缩放；发射机将所述信号段对应的缩放系数和缩放后的信号段发送至接收机。本申请能够降低信号的PAPR，解决信号PAPR较高容易导致射频功率放大器输出信号失真的问题。

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。
CN201780042382.6A 2017-01-13 2017-01-13 一种信号传输方法、系统及装置 Active CN109417763B (zh)

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PCT/CN2017/071104 WO2018129710A1 (zh) 2017-01-13 2017-01-13 一种信号传输方法、系统及装置

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CN109417763A true CN109417763A (zh) 2019-03-01
CN109417763B CN109417763B (zh) 2021-02-12

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WO (1) WO2018129710A1 (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113328966A (zh) * 2020-02-28 2021-08-31 华为技术有限公司 传输信息的方法和装置

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1491052A (zh) * 2002-08-30 2004-04-21 ���Ͽع����޹�˾ 用于缩放信号峰值功率幅值的方法和相应发射机
CN1553670A (zh) * 2003-05-30 2004-12-08 华为技术有限公司 一种信号削波装置及方法
US20070232250A1 (en) * 2006-04-03 2007-10-04 Thomas Sun Multi-level saturation
CN101103606A (zh) * 2005-01-07 2008-01-09 诺基亚西门子网络公司 发射信号的削波
WO2011085646A1 (zh) * 2010-01-13 2011-07-21 普天信息技术研究院有限公司 一种上行功率压缩的方法和用户设备
US20110319124A1 (en) * 2004-02-20 2011-12-29 Research In Motion Limited Method and apparatus for improving power amplifier efficiency in wireless communication systems having high peak to average power ratios

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2030342A2 (en) * 2006-05-30 2009-03-04 Interdigital Technology Corporation Method and apparatus for scaling a signal for improving performance of a receiver in a mimo system
US8073075B2 (en) * 2007-01-12 2011-12-06 Panasonic Corporation Transmission apparatus and transmission power control method
US8467464B2 (en) * 2008-03-28 2013-06-18 Qualcomm Incorporated Apparatus, methods, and articles of manufacture for adaptive power control

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1491052A (zh) * 2002-08-30 2004-04-21 ���Ͽع����޹�˾ 用于缩放信号峰值功率幅值的方法和相应发射机
CN1553670A (zh) * 2003-05-30 2004-12-08 华为技术有限公司 一种信号削波装置及方法
US20110319124A1 (en) * 2004-02-20 2011-12-29 Research In Motion Limited Method and apparatus for improving power amplifier efficiency in wireless communication systems having high peak to average power ratios
CN101103606A (zh) * 2005-01-07 2008-01-09 诺基亚西门子网络公司 发射信号的削波
US20070232250A1 (en) * 2006-04-03 2007-10-04 Thomas Sun Multi-level saturation
WO2011085646A1 (zh) * 2010-01-13 2011-07-21 普天信息技术研究院有限公司 一种上行功率压缩的方法和用户设备

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
MEI YEN CHEONG等: "A combined PAPR reduction and predistorter scheme for OFDM systems in nonlinear channels", 《IEEE》 *
XIAO HUANG等: "Reduction of PAPR of OFDM Signals with Piecewise-Scales Transform", 《IEEE》 *
杨品露等: "降低OFDM 信号峰均功率比的分段线性压扩变换", 《通信学报》 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113328966A (zh) * 2020-02-28 2021-08-31 华为技术有限公司 传输信息的方法和装置

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CN109417763B (zh) 2021-02-12
WO2018129710A1 (zh) 2018-07-19

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