AU2002359017A1 - An orthogonal frequency division multiplexing system - Google Patents

An orthogonal frequency division multiplexing system

Info

Publication number
AU2002359017A1
AU2002359017A1 AU2002359017A AU2002359017A AU2002359017A1 AU 2002359017 A1 AU2002359017 A1 AU 2002359017A1 AU 2002359017 A AU2002359017 A AU 2002359017A AU 2002359017 A AU2002359017 A AU 2002359017A AU 2002359017 A1 AU2002359017 A1 AU 2002359017A1
Authority
AU
Australia
Prior art keywords
frequency division
division multiplexing
orthogonal frequency
multiplexing system
orthogonal
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.)
Abandoned
Application number
AU2002359017A
Inventor
Ki-Yeul Han
Chang-Bok Joo
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.)
HAN KI YEUL
JOO CHANG BOK
Original Assignee
HAN KI YEUL
JOO CHANG BOK
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 HAN KI YEUL, JOO CHANG BOK filed Critical HAN KI YEUL
Publication of AU2002359017A1 publication Critical patent/AU2002359017A1/en
Abandoned legal-status Critical Current

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
    • 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
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L25/03159—Arrangements for removing intersymbol interference operating in the 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
    • H04L25/0212—Channel estimation of impulse response
    • H04L25/0214—Channel estimation of impulse response of a single coefficient
    • 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
    • H04L25/0226—Channel estimation using sounding signals sounding signals per se
    • 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
    • H04L27/2649—Demodulators
    • H04L27/265—Fourier transform demodulators, e.g. fast Fourier transform [FFT] or discrete Fourier transform [DFT] demodulators
    • H04L27/2651—Modification of fast Fourier transform [FFT] or discrete Fourier transform [DFT] demodulators for performance improvement
    • 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
    • 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
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L2025/0335—Arrangements for removing intersymbol interference characterised by the type of transmission
    • H04L2025/03375—Passband transmission
    • H04L2025/03414—Multicarrier
    • 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
    • H04L25/0204—Channel estimation of multiple channels

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Power Engineering (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
AU2002359017A 2002-09-18 2002-12-20 An orthogonal frequency division multiplexing system Abandoned AU2002359017A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR10-2002-0056746A KR100471538B1 (en) 2002-09-18 2002-09-18 Channel estimation and symbol timing decision apparatus and method of ofdm system
KR10-2002-0056746 2002-09-18
PCT/KR2002/002398 WO2004028105A1 (en) 2002-09-18 2002-12-20 An orthogonal frequency division multiplexing system

Publications (1)

Publication Number Publication Date
AU2002359017A1 true AU2002359017A1 (en) 2004-04-08

Family

ID=32026065

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2002359017A Abandoned AU2002359017A1 (en) 2002-09-18 2002-12-20 An orthogonal frequency division multiplexing system

Country Status (3)

Country Link
KR (1) KR100471538B1 (en)
AU (1) AU2002359017A1 (en)
WO (1) WO2004028105A1 (en)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060159187A1 (en) * 2005-01-14 2006-07-20 Haifeng Wang System and method for utilizing different known guard intervals in single/multiple carrier communication systems
KR100585173B1 (en) 2005-01-26 2006-06-02 삼성전자주식회사 Method of receiving of ofdm signal having repetitive preamble signals
KR100770426B1 (en) * 2006-10-27 2007-10-26 삼성전기주식회사 Device to synchronize packet of wireless communication and method thereof
US8149967B2 (en) 2008-06-06 2012-04-03 Maxim Integrated Products, Inc. Combined dual feed-forward and feedback analog and digital automatic gain control for broadband communication
US8315341B2 (en) 2008-06-06 2012-11-20 Maxim Integrated Products, Inc. Soft repetition code combiner using channel state information
US8284825B2 (en) 2008-06-06 2012-10-09 Maxim Integrated Products, Inc. Blind channel quality estimator
US8315152B2 (en) 2008-06-06 2012-11-20 Maxim Integrated Products, Inc. System and method for applying multi-tone OFDM based communications within a prescribed frequency range
US8472576B2 (en) 2008-06-06 2013-06-25 Maxim Integrated Products, Inc. Jammer canceller for power-line communication
US8165172B2 (en) 2008-06-06 2012-04-24 Maxim Integrated Products, Inc. Robust wideband symbol and frame synchronizer for power-line communication
US8276025B2 (en) 2008-06-06 2012-09-25 Maxim Integrated Products, Inc. Block interleaving scheme with configurable size to achieve time and frequency diversity
US8139614B2 (en) * 2008-06-06 2012-03-20 Maxim Integrated Products, Inc. Robust narrowband symbol and frame synchronizer for power-line communication
WO2010061993A1 (en) * 2008-11-28 2010-06-03 Sas Technologies Co., Ltd. Apparatus and method for acquaring frame synchronization
US8320233B2 (en) 2009-06-12 2012-11-27 Maxim Integrated Products, Inc. Transmitter and method for applying multi-tone OFDM based communications within a lower frequency range
KR101034804B1 (en) * 2010-03-11 2011-05-16 주식회사 아이닥스 Door hinge with speed control device
KR20120056642A (en) * 2010-11-25 2012-06-04 한국전자통신연구원 Apparatus and method for transmitting synchronization signal
CN103546416B (en) * 2013-07-12 2016-12-28 上海数字电视国家工程研究中心有限公司 Ofdm symbol synchronization method
KR101553805B1 (en) 2014-09-15 2015-09-17 아주대학교산학협력단 Random Access Method and Apparatus based on Analog Network Coding for Two-way Relay Channel

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2693861A1 (en) * 1992-07-16 1994-01-21 Philips Electronique Lab Multiplexed orthogonal frequency division signal receiver with frequency synchronization device.
WO1997007620A1 (en) * 1995-08-16 1997-02-27 Philips Electronics N.V. Transmission system with improved symbol processing
KR100197618B1 (en) * 1996-09-30 1999-06-15 윤종용 Channel characteristic tracking device of ofdm transmitting system
KR100204585B1 (en) * 1996-12-14 1999-06-15 정선종 Ifft/fft block and timing synchronous method applicable to ofdm/cdma
US5912876A (en) * 1997-01-15 1999-06-15 Ericsson, Inc. Method and apparatus for channel estimation
JPH1117643A (en) * 1997-06-19 1999-01-22 Hitachi Denshi Ltd Ofdm modulator
KR100228683B1 (en) * 1997-07-26 1999-11-01 윤종용 Method and apparatus for channel estimation of ofdm receiver
US6097776A (en) * 1998-02-12 2000-08-01 Cirrus Logic, Inc. Maximum likelihood estimation of symbol offset
US6317470B1 (en) * 1998-09-15 2001-11-13 Ibiquity Digital Corporation Adaptive weighting method for orthogonal frequency division multiplexed soft symbols using channel state information estimates
US6141393A (en) * 1999-03-03 2000-10-31 Motorola, Inc. Method and device for channel estimation, equalization, and interference suppression
US6442129B1 (en) * 1999-12-06 2002-08-27 Intellon Corporation Enhanced channel estimation
US6795392B1 (en) * 2000-03-27 2004-09-21 At&T Corp. Clustered OFDM with channel estimation
KR100666691B1 (en) * 2000-12-06 2007-01-11 삼성전자주식회사 Apparatus for receiving of OFDM signals and Method for recovering of signals by estimating channel

Also Published As

Publication number Publication date
KR100471538B1 (en) 2005-02-21
WO2004028105A1 (en) 2004-04-01
KR20040024987A (en) 2004-03-24

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase