SE0300824L - Lägesanpassat skyddsintervall för OFDM-kommunikation - Google Patents

Lägesanpassat skyddsintervall för OFDM-kommunikation

Info

Publication number
SE0300824L
SE0300824L SE0300824A SE0300824A SE0300824L SE 0300824 L SE0300824 L SE 0300824L SE 0300824 A SE0300824 A SE 0300824A SE 0300824 A SE0300824 A SE 0300824A SE 0300824 L SE0300824 L SE 0300824L
Authority
SE
Sweden
Prior art keywords
mode
ofdm communication
protection interval
adapted protection
interval
Prior art date
Application number
SE0300824A
Other languages
English (en)
Other versions
SE0300824D0 (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 PCT/SE2004/000390 priority patent/WO2004086711A1/en
Priority to US10/549,846 priority patent/US8537759B2/en
Priority to EP04721410.1A priority patent/EP1611723B1/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

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/26Systems using multi-frequency codes
    • H04L27/2601Multicarrier modulation systems
    • H04L27/2602Signal structure
    • H04L27/2605Symbol extensions, e.g. Zero Tail, Unique Word [UW]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/26Systems using multi-frequency codes
    • H04L27/2601Multicarrier modulation systems
    • H04L27/2602Signal structure
    • H04L27/2605Symbol extensions, e.g. Zero Tail, Unique Word [UW]
    • H04L27/2607Cyclic extensions
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/26Systems using multi-frequency codes
    • H04L27/2601Multicarrier modulation systems
    • H04L27/2626Arrangements specific to the transmitter only
    • H04L27/2646Arrangements specific to the transmitter only using feedback from receiver for adjusting OFDM transmission parameters, e.g. transmission timing or guard interval length
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00Baseband systems
    • H04L25/02Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202Channel estimation
    • H04L25/0212Channel estimation of impulse response
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00Baseband systems
    • H04L25/02Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202Channel estimation
    • H04L25/0224Channel 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
PCT/SE2004/000390 WO2004086711A1 (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
EP04721410.1A EP1611723B1 (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 SE0300824D0 (sv) 2003-03-25
SE0300824L true 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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US9461859B2 (en) 2005-03-17 2016-10-04 Qualcomm Incorporated Pilot signal transmission for an orthogonal frequency division wireless communication system
US9520972B2 (en) 2005-03-17 2016-12-13 Qualcomm Incorporated Pilot signal transmission for an orthogonal frequency division wireless communication system
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US8565194B2 (en) 2005-10-27 2013-10-22 Qualcomm Incorporated Puncturing signaling channel for a wireless communication system
US8611284B2 (en) 2005-05-31 2013-12-17 Qualcomm Incorporated Use of supplemental assignments to decrement resources
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US8462859B2 (en) 2005-06-01 2013-06-11 Qualcomm Incorporated Sphere decoding apparatus
US8750908B2 (en) 2005-06-16 2014-06-10 Qualcomm Incorporated Quick paging channel with reduced probability of missed page
US8599945B2 (en) 2005-06-16 2013-12-03 Qualcomm Incorporated Robust rank prediction for a MIMO system
US9179319B2 (en) 2005-06-16 2015-11-03 Qualcomm Incorporated Adaptive sectorization in cellular systems
US9055552B2 (en) 2005-06-16 2015-06-09 Qualcomm Incorporated Quick paging channel with reduced probability of missed page
US8885628B2 (en) 2005-08-08 2014-11-11 Qualcomm Incorporated Code division multiplexing in a single-carrier frequency division multiple access system
US9209956B2 (en) 2005-08-22 2015-12-08 Qualcomm Incorporated Segment sensitive scheduling
US20070041457A1 (en) 2005-08-22 2007-02-22 Tamer Kadous Method and apparatus for providing antenna diversity in a wireless communication system
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US9136974B2 (en) 2005-08-30 2015-09-15 Qualcomm Incorporated Precoding and SDMA support
US9088384B2 (en) 2005-10-27 2015-07-21 Qualcomm Incorporated Pilot symbol transmission in wireless communication systems
WO2007051026A1 (en) 2005-10-27 2007-05-03 Qualcomm Incorporated A method and apparatus for receiving and processing quickpage block in wireless communication systems
US8582509B2 (en) 2005-10-27 2013-11-12 Qualcomm Incorporated Scalable frequency band operation in wireless communication systems
US20090207790A1 (en) * 2005-10-27 2009-08-20 Qualcomm Incorporated Method and apparatus for settingtuneawaystatus in an open state in wireless communication system
US9210651B2 (en) 2005-10-27 2015-12-08 Qualcomm Incorporated Method and apparatus for bootstraping information in a communication system
US9144060B2 (en) 2005-10-27 2015-09-22 Qualcomm Incorporated Resource allocation for shared signaling channels
US9172453B2 (en) 2005-10-27 2015-10-27 Qualcomm Incorporated Method and apparatus for pre-coding frequency division duplexing system
US9225488B2 (en) 2005-10-27 2015-12-29 Qualcomm Incorporated Shared signaling channel
US8477684B2 (en) 2005-10-27 2013-07-02 Qualcomm Incorporated Acknowledgement of control messages in a wireless communication system
US8693405B2 (en) 2005-10-27 2014-04-08 Qualcomm Incorporated SDMA resource management
US8045512B2 (en) 2005-10-27 2011-10-25 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
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
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
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 长期演进系统中的循环前缀确定方法及eNodeB
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EP1940068B1 (en) * 2006-12-27 2011-10-05 ABB Technology AG Initialization of and modem for an OFDM data transmission
EP1942623A1 (en) * 2007-01-08 2008-07-09 Siemens Networks GmbH & Co. KG Method for data transmission using a block guard interval, subscriber and system
US8811373B2 (en) * 2007-08-15 2014-08-19 Qualcomm Incorporated Rate matching of messages containing system parameters
JP5031600B2 (ja) * 2008-01-28 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
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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KR20190055424A (ko) * 2017-11-15 2019-05-23 삼성전자주식회사 송신기 및 그를 포함하는 무선 통신 시스템 및 데이터 송수신 방법
CN108712356A (zh) * 2018-03-25 2018-10-26 哈尔滨工程大学 一种基于离散菲涅耳变换扩展ofdm调制的相干光纤通信系统
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Also Published As

Publication number Publication date
NO20054011L (no) 2005-12-21
US8537759B2 (en) 2013-09-17
WO2004086711A1 (en) 2004-10-07
EP1611723A1 (en) 2006-01-04
US20070159957A1 (en) 2007-07-12
EP1611723B1 (en) 2016-05-18
US20140010328A1 (en) 2014-01-09
SE0300824D0 (sv) 2003-03-25
NO20054011D0 (no) 2005-08-30
US9008026B2 (en) 2015-04-14
USRE48087E1 (en) 2020-07-07
SE527445C2 (sv) 2006-03-07

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