ATE450962T1 - Positionierung von pilotsignalen für die multicast-übertragungen in ofdm - Google Patents

Positionierung von pilotsignalen für die multicast-übertragungen in ofdm

Info

Publication number
ATE450962T1
ATE450962T1 AT06738060T AT06738060T ATE450962T1 AT E450962 T1 ATE450962 T1 AT E450962T1 AT 06738060 T AT06738060 T AT 06738060T AT 06738060 T AT06738060 T AT 06738060T AT E450962 T1 ATE450962 T1 AT E450962T1
Authority
AT
Austria
Prior art keywords
ofdm
pilot signals
multicast transmissions
positioning pilot
waveforms
Prior art date
Application number
AT06738060T
Other languages
German (de)
English (en)
Inventor
Michael Wang
Bojan Vrcelj
Krishna Mukkavilli
Raghuraman Krishnamoorthi
Ashok Mantravadi
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
Application granted granted Critical
Publication of ATE450962T1 publication Critical patent/ATE450962T1/de

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
    • 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
    • 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
    • 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)
AT06738060T 2005-03-10 2006-03-10 Positionierung von pilotsignalen für die multicast-übertragungen in ofdm ATE450962T1 (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
ATE450962T1 true ATE450962T1 (de) 2009-12-15

Family

ID=36589028

Family Applications (1)

Application Number Title Priority Date Filing Date
AT06738060T ATE450962T1 (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) EP2264962B1 (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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US7813383B2 (en) * 2005-03-10 2010-10-12 Qualcomm Incorporated Method for transmission of time division multiplexed pilot symbols to aid channel estimation, time synchronization, and AGC bootstrapping in a multicast wireless system
US9391751B2 (en) 2005-07-29 2016-07-12 Qualcomm Incorporated System and method for frequency diversity
US9042212B2 (en) 2005-07-29 2015-05-26 Qualcomm Incorporated Method and apparatus for communicating network identifiers in a communication system
US8638771B2 (en) 2005-08-12 2014-01-28 Qualcomm Incorporated Transmission structure supporting multi-user scheduling and MIMO transmission
US7706328B2 (en) 2006-01-04 2010-04-27 Qualcomm Incorporated Methods and apparatus for position location in a wireless network
US7782806B2 (en) 2006-03-09 2010-08-24 Qualcomm Incorporated Timing synchronization and channel estimation at a transition between local and wide area waveforms using a designated TDM pilot
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US9091746B2 (en) 2010-07-01 2015-07-28 Qualcomm Incorporated Determination of positions of wireless transceivers to be added to a wireless communication network
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Also Published As

Publication number Publication date
US8432933B2 (en) 2013-04-30
KR20070110925A (ko) 2007-11-20
JP2008533866A (ja) 2008-08-21
KR100910947B1 (ko) 2009-08-05
EP2151967A2 (en) 2010-02-10
JP5021803B2 (ja) 2012-09-12
JP4991692B2 (ja) 2012-08-01
ES2337827T3 (es) 2010-04-29
US20110080924A1 (en) 2011-04-07
US20060250937A1 (en) 2006-11-09
JP2011091829A (ja) 2011-05-06
BRPI0609235A2 (pt) 2010-03-09
EP2264962A2 (en) 2010-12-22
MY155227A (en) 2015-09-30
EP1872545B1 (en) 2009-12-02
EP1872545A1 (en) 2008-01-02
JP2012054949A (ja) 2012-03-15
CA2600557A1 (en) 2006-09-21
US7813383B2 (en) 2010-10-12
TWI383630B (zh) 2013-01-21
CN101194480A (zh) 2008-06-04
TW200705910A (en) 2007-02-01
PL1872545T3 (pl) 2010-05-31
EP2264962A3 (en) 2012-02-15
WO2006099326A1 (en) 2006-09-21
JP5587377B2 (ja) 2014-09-10
JP2013062818A (ja) 2013-04-04
CN101194480B (zh) 2014-09-10
EP2151967A3 (en) 2010-07-28
EP2264962B1 (en) 2014-08-27
TWI483595B (zh) 2015-05-01
JP5290374B2 (ja) 2013-09-18
TW201306528A (zh) 2013-02-01
DE602006010842D1 (de) 2010-01-14

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