DE602006010842D1 - Positionierung von Pilotsignalen für die Multicast-Übertragungen in OFDM - Google Patents

Positionierung von Pilotsignalen für die Multicast-Übertragungen in OFDM

Info

Publication number
DE602006010842D1
DE602006010842D1 DE602006010842T DE602006010842T DE602006010842D1 DE 602006010842 D1 DE602006010842 D1 DE 602006010842D1 DE 602006010842 T DE602006010842 T DE 602006010842T DE 602006010842 T DE602006010842 T DE 602006010842T DE 602006010842 D1 DE602006010842 D1 DE 602006010842D1
Authority
DE
Germany
Prior art keywords
ofdm
positioning
pilot signals
multicast transmissions
waveforms
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.)
Active
Application number
DE602006010842T
Other languages
German (de)
English (en)
Inventor
Michael Mao Wang
Bojan Vrcelj
Krishna Kiran Mukkavilli
Raghuraman Krishnamoorthi
Ashok Mantravadi
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.)
Qualcomm Inc
Original Assignee
Qualcomm 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 Qualcomm Inc filed Critical Qualcomm Inc
Publication of DE602006010842D1 publication Critical patent/DE602006010842D1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • H04L27/261—Details of reference signals
    • H04L27/2613—Structure of the reference signals
    • H04L27/26134—Pilot insertion in the transmitter chain, e.g. pilot overlapping with data, insertion in time or frequency domain
    • 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
    • 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
    • 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
    • H04L27/261—Details of reference signals
    • H04L27/2613—Structure of the reference 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
    • H04L27/2655—Synchronisation arrangements
    • H04L27/2668—Details of algorithms
    • H04L27/2673—Details of algorithms characterised by synchronisation parameters
    • H04L27/2675—Pilot or known symbols
    • 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
    • H04L27/2655—Synchronisation arrangements
    • H04L27/2689—Link with other circuits, i.e. special connections between synchronisation arrangements and other circuits for achieving synchronisation
    • H04L27/2695—Link with other circuits, i.e. special connections between synchronisation arrangements and other circuits for achieving synchronisation with channel estimation, e.g. determination of delay spread, derivative or peak tracking
    • 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
    • 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
    • H04L27/261—Details of reference signals
    • H04L27/2613—Structure of the reference signals
    • H04L27/26136—Pilot sequence conveying additional information
    • 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
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0003—Two-dimensional division
    • H04L5/0005—Time-frequency
    • H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A) or DMT

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Power Engineering (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
DE602006010842T 2005-03-10 2006-03-10 Positionierung von Pilotsignalen für die Multicast-Übertragungen in OFDM Active DE602006010842D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US66090705P 2005-03-10 2005-03-10
PCT/US2006/008954 WO2006099326A1 (en) 2005-03-10 2006-03-10 Pilots positioning for multicast transmission in ofdm

Publications (1)

Publication Number Publication Date
DE602006010842D1 true DE602006010842D1 (de) 2010-01-14

Family

ID=36589028

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602006010842T Active DE602006010842D1 (de) 2005-03-10 2006-03-10 Positionierung von Pilotsignalen für die Multicast-Übertragungen in OFDM

Country Status (14)

Country Link
US (2) US7813383B2 (enExample)
EP (3) EP1872545B1 (enExample)
JP (4) JP4991692B2 (enExample)
KR (1) KR100910947B1 (enExample)
CN (1) CN101194480B (enExample)
AT (1) ATE450962T1 (enExample)
BR (1) BRPI0609235A2 (enExample)
CA (1) CA2600557A1 (enExample)
DE (1) DE602006010842D1 (enExample)
ES (1) ES2337827T3 (enExample)
MY (1) MY155227A (enExample)
PL (1) PL1872545T3 (enExample)
TW (2) TWI383630B (enExample)
WO (1) WO2006099326A1 (enExample)

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US11563505B2 (en) 2016-06-01 2023-01-24 Qualcomm Incorporated Time division multiplexing of synchronization channels
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Also Published As

Publication number Publication date
TWI483595B (zh) 2015-05-01
US20060250937A1 (en) 2006-11-09
TW201306528A (zh) 2013-02-01
CN101194480B (zh) 2014-09-10
JP5290374B2 (ja) 2013-09-18
US7813383B2 (en) 2010-10-12
PL1872545T3 (pl) 2010-05-31
JP4991692B2 (ja) 2012-08-01
EP2151967A2 (en) 2010-02-10
JP2012054949A (ja) 2012-03-15
MY155227A (en) 2015-09-30
EP2264962A2 (en) 2010-12-22
JP2011091829A (ja) 2011-05-06
EP2151967A3 (en) 2010-07-28
CA2600557A1 (en) 2006-09-21
EP1872545A1 (en) 2008-01-02
KR100910947B1 (ko) 2009-08-05
KR20070110925A (ko) 2007-11-20
WO2006099326A1 (en) 2006-09-21
JP5021803B2 (ja) 2012-09-12
US20110080924A1 (en) 2011-04-07
US8432933B2 (en) 2013-04-30
ATE450962T1 (de) 2009-12-15
TW200705910A (en) 2007-02-01
EP2264962B1 (en) 2014-08-27
JP2013062818A (ja) 2013-04-04
JP2008533866A (ja) 2008-08-21
CN101194480A (zh) 2008-06-04
TWI383630B (zh) 2013-01-21
JP5587377B2 (ja) 2014-09-10
BRPI0609235A2 (pt) 2010-03-09
EP2264962A3 (en) 2012-02-15
EP1872545B1 (en) 2009-12-02
ES2337827T3 (es) 2010-04-29

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