WO2012092900A3 - 一种信道频偏估计方法、装置及系统 - Google Patents

一种信道频偏估计方法、装置及系统 Download PDF

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Publication number
WO2012092900A3
WO2012092900A3 PCT/CN2012/071056 CN2012071056W WO2012092900A3 WO 2012092900 A3 WO2012092900 A3 WO 2012092900A3 CN 2012071056 W CN2012071056 W CN 2012071056W WO 2012092900 A3 WO2012092900 A3 WO 2012092900A3
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WO
WIPO (PCT)
Prior art keywords
channel
frequency offset
information
current channel
current
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Application number
PCT/CN2012/071056
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English (en)
French (fr)
Other versions
WO2012092900A2 (zh
Inventor
陈子欢
田大锋
李晓东
刘乔
Original Assignee
华为技术有限公司
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 华为技术有限公司 filed Critical 华为技术有限公司
Priority to CN201280000236.4A priority Critical patent/CN102742234B/zh
Priority to EP12732196.6A priority patent/EP2663044B1/en
Priority to PCT/CN2012/071056 priority patent/WO2012092900A2/zh
Publication of WO2012092900A2 publication Critical patent/WO2012092900A2/zh
Publication of WO2012092900A3 publication Critical patent/WO2012092900A3/zh
Priority to US14/035,873 priority patent/US9444664B2/en

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • 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
    • H04L25/0202—Channel estimation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • H04L2027/0024—Carrier regulation at the receiver end
    • H04L2027/0026—Correction of carrier offset
    • H04L2027/0038—Correction of carrier offset using an equaliser
    • H04L2027/004—Correction of carrier offset using an equaliser the equaliser providing control signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • H04L2027/0044—Control loops for carrier regulation
    • H04L2027/0063—Elements of loops
    • H04L2027/0067—Phase error detectors

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Transmitters (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)

Abstract

本发明实施例提供一种频偏估计方法、装置及系统，涉及通信领域，能够对高频微波通信系统中的载波频偏进行处理。该方法包括：对本次信道的信号进行信道估计，得到本次信道的信道信息；利用本次信道估计得到的信道信与前一次信道估计得到的信道信息进行计算处理，得到本次信道信息的相位差，将本次信道信息的相位差除以两次信道估计相隔的时间，得到本次信道的残余频偏信息；将本次信道的残余频偏信息与前一次计算得到的信道的频偏信息进行相加，得到本次信道的频偏信息；输出本次信道的频偏信息，以便根据本次频偏信息对信道的信号进行频偏校正。本发明实施例用于高频微波通信系统。
PCT/CN2012/071056 2012-02-13 2012-02-13 一种信道频偏估计方法、装置及系统 WO2012092900A2 (zh)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CN201280000236.4A CN102742234B (zh) 2012-02-13 2012-02-13 一种信道频偏估计方法、装置及系统
EP12732196.6A EP2663044B1 (en) 2012-02-13 2012-02-13 Channel frequency offset estimation method, device and system
PCT/CN2012/071056 WO2012092900A2 (zh) 2012-02-13 2012-02-13 一种信道频偏估计方法、装置及系统
US14/035,873 US9444664B2 (en) 2012-02-13 2013-09-24 Channel frequency offset estimation method, apparatus, and system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2012/071056 WO2012092900A2 (zh) 2012-02-13 2012-02-13 一种信道频偏估计方法、装置及系统

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US14/035,873 Continuation US9444664B2 (en) 2012-02-13 2013-09-24 Channel frequency offset estimation method, apparatus, and system

Publications (2)

Publication Number Publication Date
WO2012092900A2 WO2012092900A2 (zh) 2012-07-12
WO2012092900A3 true WO2012092900A3 (zh) 2013-01-10

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PCT/CN2012/071056 WO2012092900A2 (zh) 2012-02-13 2012-02-13 一种信道频偏估计方法、装置及系统

Country Status (4)

Country Link
US (1) US9444664B2 (zh)
EP (1) EP2663044B1 (zh)
CN (1) CN102742234B (zh)
WO (1) WO2012092900A2 (zh)

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CN103716896B (zh) * 2012-09-29 2017-02-08 京信通信系统（中国）有限公司 频偏估计和补偿的方法和设备
CN105099963B (zh) * 2014-04-24 2018-07-20 华为技术有限公司 一种频偏估计的装置和方法
JP6265100B2 (ja) * 2014-10-10 2018-01-24 豊田合成株式会社 丸型空調用レジスタ
CN107409000B (zh) * 2015-04-10 2019-05-28 华为技术有限公司 一种相干光源频偏估计和补偿的相干接收机、方法和系统
CN106572044B (zh) * 2015-10-10 2020-02-07 富士通株式会社 信道间隔检测装置、方法和系统
CN105245484B (zh) * 2015-10-21 2018-09-25 苏州威发半导体有限公司 Mimo-ofdm系统频率偏差估计的方法
US10797285B2 (en) * 2016-04-03 2020-10-06 Cummins Battery Systems North America Llc Battery pack including plural electrochemical cells encapsulated by encapsulant and method of manufacture
CN107306152A (zh) * 2016-04-22 2017-10-31 富士通株式会社 信号处理装置、信道间隔检测装置、方法和系统
US10382244B2 (en) 2017-02-14 2019-08-13 Samsung Electronics Co., Ltd. System and method for providing time offset and frequency offset estimation for vehicle to everything communication system
US9820073B1 (en) * 2017-05-10 2017-11-14 Tls Corp. Extracting a common signal from multiple audio signals
CN109802906B (zh) * 2019-01-21 2021-12-07 北京中科晶上科技股份有限公司 一种调制信号的频偏估计方法
CN114500192B (zh) * 2022-03-23 2023-06-02 广州海格通信集团股份有限公司 一种信道估计方法及终端设备

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CN102082744A (zh) * 2009-11-26 2011-06-01 中兴通讯股份有限公司 一种基于导频和数据的频偏估计方法和装置

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Also Published As

Publication number Publication date
EP2663044A4 (en) 2014-03-19
CN102742234A (zh) 2012-10-17
CN102742234B (zh) 2015-07-22
US20140023094A1 (en) 2014-01-23
EP2663044B1 (en) 2016-04-27
EP2663044A2 (en) 2013-11-13
US9444664B2 (en) 2016-09-13
WO2012092900A2 (zh) 2012-07-12

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