CN103069760A - 用于相干调制的导频结构 - Google Patents

用于相干调制的导频结构 Download PDF

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Publication number
CN103069760A
CN103069760A CN2011800345586A CN201180034558A CN103069760A CN 103069760 A CN103069760 A CN 103069760A CN 2011800345586 A CN2011800345586 A CN 2011800345586A CN 201180034558 A CN201180034558 A CN 201180034558A CN 103069760 A CN103069760 A CN 103069760A
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CN
China
Prior art keywords
frequency
channel estimation
estimation results
pilot tones
pilot
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.)
Pending
Application number
CN2011800345586A
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English (en)
Chinese (zh)
Inventor
B·瓦拉达拉雅
A·达巴克
Ii·H·金
A·瑞迪
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.)
Texas Instruments Inc
Original Assignee
Texas Instruments Inc
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 Texas Instruments Inc filed Critical Texas Instruments Inc
Publication of CN103069760A publication Critical patent/CN103069760A/zh
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/54—Systems for transmission via power distribution lines
    • H04B3/542—Systems for transmission via power distribution lines the information being in digital form
    • 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
    • H04L25/0204—Channel estimation of multiple channels
    • 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
    • H04L25/0224—Channel estimation using sounding signals
    • H04L25/0228—Channel estimation using sounding signals with direct estimation from sounding signals
    • H04L25/023—Channel estimation using sounding signals with direct estimation from sounding signals with extension to other symbols
    • H04L25/0232—Channel estimation using sounding signals with direct estimation from sounding signals with extension to other symbols by interpolation between sounding signals
    • 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
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2647—Arrangements specific to the receiver only
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2203/00—Indexing scheme relating to line transmission systems
    • H04B2203/54—Aspects of powerline communications not already covered by H04B3/54 and its subgroups
    • H04B2203/5429—Applications for powerline communications
    • H04B2203/5433—Remote metering
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2203/00—Indexing scheme relating to line transmission systems
    • H04B2203/54—Aspects of powerline communications not already covered by H04B3/54 and its subgroups
    • H04B2203/5429—Applications for powerline communications
    • H04B2203/5445—Local network
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2203/00—Indexing scheme relating to line transmission systems
    • H04B2203/54—Aspects of powerline communications not already covered by H04B3/54 and its subgroups
    • H04B2203/5429—Applications for powerline communications
    • H04B2203/5458—Monitor sensor; Alarm systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0042—Intra-user or intra-terminal allocation

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Power Engineering (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
CN2011800345586A 2010-07-12 2011-07-12 用于相干调制的导频结构 Pending CN103069760A (zh)

Applications Claiming Priority (9)

Application Number Priority Date Filing Date Title
US36333510P 2010-07-12 2010-07-12
US61/363,335 2010-07-12
US38091710P 2010-09-08 2010-09-08
US61/380,917 2010-09-08
US39135910P 2010-10-08 2010-10-08
US61/391,359 2010-10-08
US13/175,045 2011-07-01
US13/175,045 US20120082253A1 (en) 2010-07-12 2011-07-01 Pilot Structure for Coherent Modulation
PCT/US2011/043725 WO2012009366A2 (en) 2010-07-12 2011-07-12 Pilot structure for coherent modulation

Publications (1)

Publication Number Publication Date
CN103069760A true CN103069760A (zh) 2013-04-24

Family

ID=45470033

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2011800345586A Pending CN103069760A (zh) 2010-07-12 2011-07-12 用于相干调制的导频结构

Country Status (4)

Country Link
US (1) US20120082253A1 (enExample)
JP (1) JP2013535883A (enExample)
CN (1) CN103069760A (enExample)
WO (1) WO2012009366A2 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107210878A (zh) * 2015-02-25 2017-09-26 华为技术有限公司 用于wifi ofdma的导频图案

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PT2461530E (pt) * 2010-12-02 2012-12-26 Kapsch Trafficcom Ag Estima de canal num sistema de transmissão com multiplexação de divisão de frequência ortogonal
US20140117752A1 (en) * 2011-02-01 2014-05-01 Albert Flack Pilot signal filter
US20130301681A1 (en) * 2012-05-14 2013-11-14 Microsoft Corporation Frequency Hopping for Dynamic Spectrum Access
JP5777564B2 (ja) * 2012-05-14 2015-09-09 株式会社東芝 デジタル放送受信装置
EP2733857B1 (en) * 2012-11-16 2017-11-15 Alcatel Lucent Method and apparatus for relaying messages in a PLC network
US10235278B2 (en) * 2013-03-07 2019-03-19 International Business Machines Corporation Software testing using statistical error injection
WO2015099805A1 (en) * 2013-12-28 2015-07-02 Intel Corporation Methods and arrangements to determine station assignments to restricted access windows in wireless networks
WO2015143437A1 (en) * 2014-03-21 2015-09-24 Enphase Energy, Inc. Method and apparatus for impulse noise mitigation for power line networking
WO2019114961A1 (en) * 2017-12-13 2019-06-20 Telefonaktiebolaget Lm Ericsson (Publ) Method of estimating a propagation delay difference of an optical link and apparatus for same
CN115208730B (zh) * 2022-06-30 2023-08-18 南京工程学院 一种对码元信号进行临频差分调制解调的方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101199148A (zh) * 2005-06-15 2008-06-11 华为技术有限公司 二维导频图案
CN101743752A (zh) * 2007-07-12 2010-06-16 Lg电子株式会社 发送和接收信号的装置以及发送和接收信号的方法

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JP4555652B2 (ja) * 2003-10-01 2010-10-06 パナソニック株式会社 Ｏｆｄｍ信号受信装置及びｏｆｄｍ信号受信方法
JP2007081504A (ja) * 2005-09-12 2007-03-29 Hitachi Kokusai Electric Inc Ｏｆｄｍ受信機における伝送路特性補間方法及びその装置
EP3672180A1 (en) * 2007-01-29 2020-06-24 III Holdings 6, LLC Channel estimation of multi-carrier signal with selection of time or frequency domain interpolation according to frequency offset of continuous pilot
JP2008206053A (ja) * 2007-02-22 2008-09-04 Kyocera Corp 無線通信方法および無線通信装置
US7940848B2 (en) * 2007-04-02 2011-05-10 Infineon Technologies Ag System having an OFDM channel estimator
US20090185630A1 (en) * 2008-01-23 2009-07-23 Mediatek Inc. Method and apparatus for estimating the channel impulse response of multi-carrier communicating systems
KR101498060B1 (ko) * 2008-02-19 2015-03-03 엘지전자 주식회사 Ｏｆｄｍ(ａ) 시스템에서의 상향링크 전송 방법
US20090268709A1 (en) * 2008-04-23 2009-10-29 Motorola, Inc. Time and frequency correction for an access point in an ofdma communication system

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101199148A (zh) * 2005-06-15 2008-06-11 华为技术有限公司 二维导频图案
CN101743752A (zh) * 2007-07-12 2010-06-16 Lg电子株式会社 发送和接收信号的装置以及发送和接收信号的方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107210878A (zh) * 2015-02-25 2017-09-26 华为技术有限公司 用于wifi ofdma的导频图案
CN107210878B (zh) * 2015-02-25 2020-04-28 华为技术有限公司 用于wifi ofdma的导频图案

Also Published As

Publication number Publication date
WO2012009366A2 (en) 2012-01-19
WO2012009366A3 (en) 2012-03-29
JP2013535883A (ja) 2013-09-12
US20120082253A1 (en) 2012-04-05

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Application publication date: 20130424