DE602005025189D1 - Synchronisation in einem kohärenten OFDM Empfänger - Google Patents

Synchronisation in einem kohärenten OFDM Empfänger

Info

Publication number
DE602005025189D1
DE602005025189D1 DE602005025189T DE602005025189T DE602005025189D1 DE 602005025189 D1 DE602005025189 D1 DE 602005025189D1 DE 602005025189 T DE602005025189 T DE 602005025189T DE 602005025189 T DE602005025189 T DE 602005025189T DE 602005025189 D1 DE602005025189 D1 DE 602005025189D1
Authority
DE
Germany
Prior art keywords
frequency
pilots
correlation
time
synchronization
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
DE602005025189T
Other languages
English (en)
Inventor
Ching-Yung Chen
Yi-Ting Wang
Yung-Hua Hung
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.)
Industrial Technology Research Institute ITRI
Original Assignee
Industrial Technology Research Institute ITRI
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 Industrial Technology Research Institute ITRI filed Critical Industrial Technology Research Institute ITRI
Publication of DE602005025189D1 publication Critical patent/DE602005025189D1/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
    • H04L27/2647—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)
  • Circuits Of Receivers In General (AREA)
  • Synchronizing For Television (AREA)
  • Mobile Radio Communication Systems (AREA)
DE602005025189T 2004-10-22 2005-10-24 Synchronisation in einem kohärenten OFDM Empfänger Active DE602005025189D1 (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
DE602005025189D1 true DE602005025189D1 (de) 2011-01-20

Family

ID=35629101

Family Applications (2)

Application Number Title Priority Date Filing Date
DE102005045361A Withdrawn DE102005045361A1 (de) 2004-10-22 2005-09-22 Synchronisation auf der Basis einer Zeit-Frequenz-Korrelation für einen kohärenten OFDM-Empfänger
DE602005025189T Active DE602005025189D1 (de) 2004-10-22 2005-10-24 Synchronisation in einem kohärenten OFDM Empfänger

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE102005045361A Withdrawn DE102005045361A1 (de) 2004-10-22 2005-09-22 Synchronisation auf der Basis einer Zeit-Frequenz-Korrelation für einen 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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CN101800719B (zh) * 2009-02-10 2013-03-20 扬智科技股份有限公司 离散导频同步方法与装置及其通信系统
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Also Published As

Publication number Publication date
EP1650921A2 (de) 2006-04-26
JP2006148884A (ja) 2006-06-08
US20060088133A1 (en) 2006-04-27
JP4295755B2 (ja) 2009-07-15
EP1650921A3 (de) 2007-12-12
EP1650921B1 (de) 2010-12-08
TWI273807B (en) 2007-02-11
TW200640212A (en) 2006-11-16
DE102005045361A1 (de) 2006-05-04
ATE491295T1 (de) 2010-12-15

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