AT450962T - Positioning of pilot signals for multicast transmissions in ofdm - Google Patents

Positioning of pilot signals for multicast transmissions in ofdm

Info

Publication number
AT450962T
AT450962T AT06738060T AT06738060T AT450962T AT 450962 T AT450962 T AT 450962T AT 06738060 T AT06738060 T AT 06738060T AT 06738060 T AT06738060 T AT 06738060T AT 450962 T AT450962 T AT 450962T
Authority
AT
Austria
Prior art keywords
ofdm
positioning
pilot signals
multicast transmissions
multicast
Prior art date
Application number
AT06738060T
Other languages
German (de)
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
Priority to US66090705P priority Critical
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Priority to PCT/US2006/008954 priority patent/WO2006099326A1/en
Publication of AT450962T publication Critical patent/AT450962T/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
    • H04L27/261Details of reference signals
    • H04L27/2611Distribution thereof
    • 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
    • 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
    • H04L25/0228Channel estimation using sounding signals with direct estimation from sounding signals
    • H04L25/023Channel estimation using sounding signals with direct estimation from sounding signals with extension to other symbols
    • 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
    • H04L27/261Details of reference signals
    • H04L27/2613Structure of the reference signals per se
    • 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
    • H04L27/2647Arrangements specific to the receiver
    • H04L27/2655Synchronisation arrangements
    • H04L27/2668Details of algorithms
    • H04L27/2673Details of algorithms characterised by synchronisation parameters
    • H04L27/2675Pilot or known symbols
    • 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
    • H04L27/2647Arrangements specific to the receiver
    • H04L27/2655Synchronisation arrangements
    • H04L27/2689Link with other circuits, i.e. special connections between synchronisation arrangements and other circuits for achieving synchronisation
    • H04L27/2695Link 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/0001Arrangements for dividing the transmission path
    • H04L5/0003Two-dimensional division
    • H04L5/0005Time-frequency
    • H04L5/0007Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/003Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048Allocation of pilot signals, i.e. of signals known to the receiver
AT06738060T 2005-03-10 2006-03-10 Positioning of pilot signals for multicast transmissions in ofdm AT450962T (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US66090705P true 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
AT450962T true AT450962T (en) 2009-12-15

Family

ID=36589028

Family Applications (1)

Application Number Title Priority Date Filing Date
AT06738060T AT450962T (en) 2005-03-10 2006-03-10 Positioning of pilot signals for multicast transmissions in ofdm

Country Status (14)

Country Link
US (2) US7813383B2 (en)
EP (3) EP2151967A3 (en)
JP (4) JP4991692B2 (en)
KR (1) KR100910947B1 (en)
CN (1) CN101194480B (en)
AT (1) AT450962T (en)
BR (1) BRPI0609235A2 (en)
CA (1) CA2600557A1 (en)
DE (1) DE602006010842D1 (en)
ES (1) ES2337827T3 (en)
MY (1) MY155227A (en)
PL (1) PL1872545T3 (en)
TW (2) TWI383630B (en)
WO (1) WO2006099326A1 (en)

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US8391410B2 (en) * 2004-07-29 2013-03-05 Qualcomm Incorporated Methods and apparatus for configuring a pilot symbol in a wireless communication system
US9391751B2 (en) 2005-07-29 2016-07-12 Qualcomm Incorporated System and method for frequency diversity
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
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
EP2030398B1 (en) 2006-06-16 2015-10-28 QUALCOMM Incorporated Robust and efficient transmission and reception of beacon signals.
CN101193094B (en) 2006-11-20 2011-10-19 电信科学技术研究院 A method and system for sending broadcast/multicast service
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US7844280B2 (en) * 2006-12-12 2010-11-30 Trueposition, Inc. Location of wideband OFDM transmitters with limited receiver bandwidth
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US9008198B2 (en) * 2007-01-05 2015-04-14 Qualcomm Incorporated Methods and apparatus for timing synchronization based on transitional pilot symbols
US7693031B2 (en) * 2007-01-09 2010-04-06 Futurewei Technologies, Inc. Method and apparatus for achieving system acquisition and other signaling purposes using the preamble in an OFDM based communications system
US8750248B2 (en) * 2007-03-21 2014-06-10 Qualcomm Incorporated Methods and apparatus for RF handoff in a multi-frequency network
US8948757B2 (en) * 2007-03-21 2015-02-03 Qualcomm Incorporated Methods and apparatus for RF handoff in a multi-frequency network
US8457064B2 (en) * 2007-03-21 2013-06-04 Qualcomm Incorporated Methods and apparatus for RF handoff in a multi-frequency network
US8737353B2 (en) * 2007-03-21 2014-05-27 Qualcomm Incorporated Methods and apparatus for RF handoff in a multi-frequency network
US8737350B2 (en) * 2007-03-21 2014-05-27 Qualcomm Incorporated Methods and apparatus for RF handoff in a multi-frequency network
US8565799B2 (en) * 2007-04-04 2013-10-22 Qualcomm Incorporated Methods and apparatus for flow data acquisition in a multi-frequency network
US8532066B2 (en) 2007-10-18 2013-09-10 Qualcomm Incorporated Transmission structure supporting multi-user scheduling and MIMO transmission
US8165064B2 (en) 2008-01-28 2012-04-24 Qualcomm Incorporated Enhancements to the positioning pilot channel
US8570939B2 (en) 2008-03-07 2013-10-29 Qualcomm Incorporated Methods and systems for choosing cyclic delays in multiple antenna OFDM systems
CN102106164B (en) * 2008-03-21 2014-02-26 苹果公司 Multimedia broadcast multicast service (MBMS) utilizing spatial multiplexing
KR101466943B1 (en) 2008-04-04 2014-12-02 삼성전자주식회사 Transmitter and receiver using spatial frequency block coding scheme
US8614975B2 (en) 2008-09-19 2013-12-24 Qualcomm Incorporated Synchronizing a base station in a wireless communication system
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US9037155B2 (en) * 2008-10-28 2015-05-19 Sven Fischer Time of arrival (TOA) estimation for positioning in a wireless communication network
US8982851B2 (en) * 2009-01-06 2015-03-17 Qualcomm Incorporated Hearability improvements for reference signals
US8688139B2 (en) 2009-09-10 2014-04-01 Qualcomm Incorporated Concurrent wireless transmitter mapping and mobile station positioning
US9091746B2 (en) 2010-07-01 2015-07-28 Qualcomm Incorporated Determination of positions of wireless transceivers to be added to a wireless communication network
CN101977172B (en) * 2010-10-18 2013-02-06 北京邮电大学 Broadcast positioning signal generation method, positioning method and device
JP2015509187A (en) * 2011-12-22 2015-03-26 インテル コーポレイション Mechanisms implemented using geodetic triangulation to determine global positioning of computing devices
US9143894B2 (en) * 2011-12-22 2015-09-22 Intel Corporation Method and system for proximity and context based deduction of position for a GPS enable computing device
CN103744095B (en) * 2013-12-16 2016-05-11 苏州锘网电子科技有限公司 A kind of multi-carrier transmission navigation system and method
US10432680B2 (en) 2015-06-02 2019-10-01 Sony Corporation System time frequency and time information

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CA2600767A1 (en) * 2005-03-10 2006-09-21 Qualcomm Incorporated Timing synchronization and channel estimation at a transition between local and wide area waveforms using a designated tdm pilot
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
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US20070072621A1 (en) * 2005-09-27 2007-03-29 Mukkavilli Krishna K Position location using transmitters with timing offset
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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

Also Published As

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

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Legal Events

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