ATE491295T1 - Synchronisation in einem kohärenten ofdm empfänger - Google Patents

Synchronisation in einem kohärenten ofdm empfänger

Info

Publication number
ATE491295T1
ATE491295T1 AT05023170T AT05023170T ATE491295T1 AT E491295 T1 ATE491295 T1 AT E491295T1 AT 05023170 T AT05023170 T AT 05023170T AT 05023170 T AT05023170 T AT 05023170T AT E491295 T1 ATE491295 T1 AT E491295T1
Authority
AT
Austria
Prior art keywords
frequency
pilots
correlation
time
synchronization
Prior art date
Application number
AT05023170T
Other languages
English (en)
Inventor
Ching-Yung Chen
Yi-Ting Wang
Yung-Hua Hung
Original Assignee
Ind Tech Res Inst
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 Ind Tech Res Inst filed Critical Ind Tech Res Inst
Application granted granted Critical
Publication of ATE491295T1 publication Critical patent/ATE491295T1/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
    • H04L27/2647—Arrangements specific to the receiver only
    • H04L27/2655—Synchronisation arrangements
    • H04L27/2662—Symbol synchronisation
    • 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
    • H04L25/0222—Estimation of channel variability, e.g. coherence bandwidth, coherence time, fading frequency
    • 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
    • H04L27/2669—Details of algorithms characterised by the domain of operation
    • H04L27/2672—Frequency domain
    • 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
    • H04L27/2681—Details of algorithms characterised by constraints
    • H04L27/2686—Range of frequencies or delays tested
    • 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), DMT
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Synchronizing For Television (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Circuits Of Receivers In General (AREA)
AT05023170T 2004-10-22 2005-10-24 Synchronisation in einem kohärenten ofdm empfänger ATE491295T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US62072504P 2004-10-22 2004-10-22
US11/153,105 US20060088133A1 (en) 2004-10-22 2005-06-15 Time-frequency correlation-based synchronization for coherent OFDM receiver

Publications (1)

Publication Number Publication Date
ATE491295T1 true ATE491295T1 (de) 2010-12-15

Family

ID=35629101

Family Applications (1)

Application Number Title Priority Date Filing Date
AT05023170T ATE491295T1 (de) 2004-10-22 2005-10-24 Synchronisation in einem kohärenten ofdm empfänger

Country Status (6)

Country Link
US (1) US20060088133A1 (de)
EP (1) EP1650921B1 (de)
JP (1) JP4295755B2 (de)
AT (1) ATE491295T1 (de)
DE (2) DE102005045361A1 (de)
TW (1) TWI273807B (de)

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Also Published As

Publication number Publication date
EP1650921A2 (de) 2006-04-26
EP1650921A3 (de) 2007-12-12
JP2006148884A (ja) 2006-06-08
TWI273807B (en) 2007-02-11
US20060088133A1 (en) 2006-04-27
JP4295755B2 (ja) 2009-07-15
DE602005025189D1 (de) 2011-01-20
TW200640212A (en) 2006-11-16
DE102005045361A1 (de) 2006-05-04
EP1650921B1 (de) 2010-12-08

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