SE0300824D0 - Lägesanpassat skyddsintervall för OFDM-kommunikationssystem - Google Patents

Lägesanpassat skyddsintervall för OFDM-kommunikationssystem

Info

Publication number
SE0300824D0
SE0300824D0 SE0300824A SE0300824A SE0300824D0 SE 0300824 D0 SE0300824 D0 SE 0300824D0 SE 0300824 A SE0300824 A SE 0300824A SE 0300824 A SE0300824 A SE 0300824A SE 0300824 D0 SE0300824 D0 SE 0300824D0
Authority
SE
Sweden
Prior art keywords
guard interval
transmission channel
transmission
communication systems
ofdm
Prior art date
Application number
SE0300824A
Other languages
English (en)
Other versions
SE0300824L (sv
SE527445C2 (sv
Inventor
Richard Ljung
Peter Karlsson
Original Assignee
Telia Ab
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 Telia Ab filed Critical Telia Ab
Priority to SE0300824A priority Critical patent/SE527445C2/sv
Publication of SE0300824D0 publication Critical patent/SE0300824D0/sv
Priority to EP04721410.1A priority patent/EP1611723B1/en
Priority to US10/549,846 priority patent/US8537759B2/en
Priority to PCT/SE2004/000390 priority patent/WO2004086711A1/en
Publication of SE0300824L publication Critical patent/SE0300824L/sv
Priority to NO20054011A priority patent/NO20054011L/no
Publication of SE527445C2 publication Critical patent/SE527445C2/sv
Priority to US14/011,188 priority patent/US9008026B2/en
Priority to US15/487,730 priority patent/USRE48087E1/en

Links

Classifications

    • 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
    • H04L27/2602—Signal structure
    • H04L27/2605—Symbol extensions, e.g. Zero Tail, Unique Word [UW]
    • 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
    • H04L27/2602—Signal structure
    • H04L27/2605—Symbol extensions, e.g. Zero Tail, Unique Word [UW]
    • H04L27/2607—Cyclic extensions
    • 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
    • H04L27/2626—Arrangements specific to the transmitter only
    • H04L27/2646—Arrangements specific to the transmitter only using feedback from receiver for adjusting OFDM transmission parameters, e.g. transmission timing or guard interval length
    • 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
    • H04L25/0212—Channel estimation of impulse response
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
SE0300824A 2003-03-25 2003-03-25 Lägesanpassat skyddsintervall för OFDM-kommunikation SE527445C2 (sv)

Priority Applications (7)

Application Number Priority Date Filing Date Title
SE0300824A SE527445C2 (sv) 2003-03-25 2003-03-25 Lägesanpassat skyddsintervall för OFDM-kommunikation
EP04721410.1A EP1611723B1 (en) 2003-03-25 2004-03-17 Position adjusted guard time interval for ofdm-communications system
US10/549,846 US8537759B2 (en) 2003-03-25 2004-03-17 Position adjusted guard time interval for OFDM-communications system
PCT/SE2004/000390 WO2004086711A1 (en) 2003-03-25 2004-03-17 Position adjusted guard time interval for ofdm-communications system
NO20054011A NO20054011L (no) 2003-03-25 2005-08-30 Posisjonstilpasset sikkerhetsintervall for OFDM-kommunikasjonssystem
US14/011,188 US9008026B2 (en) 2003-03-25 2013-08-27 Position adjusted guard time interval for OFDM-communications system
US15/487,730 USRE48087E1 (en) 2003-03-25 2017-04-14 Position adjusted guard time interval for OFDM-communications system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE0300824A SE527445C2 (sv) 2003-03-25 2003-03-25 Lägesanpassat skyddsintervall för OFDM-kommunikation

Publications (3)

Publication Number Publication Date
SE0300824D0 true SE0300824D0 (sv) 2003-03-25
SE0300824L SE0300824L (sv) 2004-09-26
SE527445C2 SE527445C2 (sv) 2006-03-07

Family

ID=20290781

Family Applications (1)

Application Number Title Priority Date Filing Date
SE0300824A SE527445C2 (sv) 2003-03-25 2003-03-25 Lägesanpassat skyddsintervall för OFDM-kommunikation

Country Status (5)

Country Link
US (3) US8537759B2 (sv)
EP (1) EP1611723B1 (sv)
NO (1) NO20054011L (sv)
SE (1) SE527445C2 (sv)
WO (1) WO2004086711A1 (sv)

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US9210651B2 (en) 2005-10-27 2015-12-08 Qualcomm Incorporated Method and apparatus for bootstraping information in a communication system
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US8693405B2 (en) 2005-10-27 2014-04-08 Qualcomm Incorporated SDMA resource management
US9144060B2 (en) 2005-10-27 2015-09-22 Qualcomm Incorporated Resource allocation for shared signaling channels
US9225488B2 (en) 2005-10-27 2015-12-29 Qualcomm Incorporated Shared signaling channel
US9088384B2 (en) 2005-10-27 2015-07-21 Qualcomm Incorporated Pilot symbol transmission in wireless communication systems
US8582509B2 (en) 2005-10-27 2013-11-12 Qualcomm Incorporated Scalable frequency band operation in wireless communication systems
US9225416B2 (en) 2005-10-27 2015-12-29 Qualcomm Incorporated Varied signaling channels for a reverse link in a wireless communication system
US8045512B2 (en) 2005-10-27 2011-10-25 Qualcomm Incorporated Scalable frequency band operation in wireless communication systems
US9172453B2 (en) 2005-10-27 2015-10-27 Qualcomm Incorporated Method and apparatus for pre-coding frequency division duplexing system
US8477684B2 (en) 2005-10-27 2013-07-02 Qualcomm Incorporated Acknowledgement of control messages in a wireless communication system
US8199661B2 (en) 2005-10-27 2012-06-12 Qualcomm Incorporated Method and apparatus for processing supplemental and non supplemental assignments
CN1964219B (zh) * 2005-11-11 2016-01-20 上海贝尔股份有限公司 实现中继的方法和设备
CN1964521B (zh) * 2005-11-11 2010-05-12 上海贝尔阿尔卡特股份有限公司 一种在无线通信网络中的无线自回传方法及装置
US8582548B2 (en) 2005-11-18 2013-11-12 Qualcomm Incorporated Frequency division multiple access schemes for wireless communication
CN101087288B (zh) * 2006-06-05 2010-12-08 大唐移动通信设备有限公司 长期演进***中的循环前缀确定方法及eNodeB
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ATE527770T1 (de) * 2006-12-27 2011-10-15 Abb Technology Ag Initialisierung eines modems und modem zur übertragung von ofdm-daten
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US8811373B2 (en) * 2007-08-15 2014-08-19 Qualcomm Incorporated Rate matching of messages containing system parameters
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JP5031632B2 (ja) * 2008-03-26 2012-09-19 京セラ株式会社 無線通信方法、無線通信システム、基地局、移動局
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KR101995152B1 (ko) * 2015-07-21 2019-07-02 소코 가가쿠 가부시키가이샤 질화물 반도체 자외선 발광 소자
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KR20190055424A (ko) * 2017-11-15 2019-05-23 삼성전자주식회사 송신기 및 그를 포함하는 무선 통신 시스템 및 데이터 송수신 방법
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Also Published As

Publication number Publication date
USRE48087E1 (en) 2020-07-07
US20070159957A1 (en) 2007-07-12
US8537759B2 (en) 2013-09-17
NO20054011D0 (no) 2005-08-30
SE0300824L (sv) 2004-09-26
US20140010328A1 (en) 2014-01-09
SE527445C2 (sv) 2006-03-07
WO2004086711A1 (en) 2004-10-07
NO20054011L (no) 2005-12-21
EP1611723B1 (en) 2016-05-18
US9008026B2 (en) 2015-04-14
EP1611723A1 (en) 2006-01-04

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