KR100769022B1 - 최적화된 동기화 프리앰블 구조체 - Google Patents

최적화된 동기화 프리앰블 구조체 Download PDF

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KR100769022B1
KR100769022B1 KR1020000021659A KR20000021659A KR100769022B1 KR 100769022 B1 KR100769022 B1 KR 100769022B1 KR 1020000021659 A KR1020000021659 A KR 1020000021659A KR 20000021659 A KR20000021659 A KR 20000021659A KR 100769022 B1 KR100769022 B1 KR 100769022B1
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field
sequence
synchronization
complex symbols
frequency domain
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KR20000077075A (ko
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뵌케랄프
될레토마스
콘삭크티노
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소니 인터내셔널(유로파) 게엠베하
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    • 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
    • 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
    • H04L27/26134Pilot insertion in the transmitter chain, e.g. pilot overlapping with data, insertion in time or frequency domain
    • 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
    • H04L27/2614Peak power aspects
    • H04L27/262Reduction thereof by selection of pilot 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
    • H04L27/2626Arrangements specific to the transmitter only
    • H04L27/2627Modulators
    • H04L27/2628Inverse Fourier transform modulators, e.g. inverse fast Fourier transform [IFFT] or inverse discrete Fourier transform [IDFT] modulators
    • 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 only
    • H04L27/2655Synchronisation arrangements
    • H04L27/2657Carrier synchronisation
    • 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 only
    • H04L27/2655Synchronisation arrangements
    • H04L27/2689Link with other circuits, i.e. special connections between synchronisation arrangements and other circuits for achieving synchronisation
    • H04L27/2692Link with other circuits, i.e. special connections between synchronisation arrangements and other circuits for achieving synchronisation with preamble design, i.e. with negotiation of the synchronisation sequence with transmitter or sequence linked to the algorithm used at the receiver
    • 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 only
    • H04L27/2655Synchronisation arrangements
    • H04L27/2656Frame synchronisation, e.g. packet synchronisation, time division duplex [TDD] switching point detection or subframe synchronisation
    • 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 only
    • H04L27/2655Synchronisation arrangements
    • H04L27/2662Symbol synchronisation

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  • 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)
  • Synchronisation In Digital Transmission Systems (AREA)
KR1020000021659A 1999-04-23 2000-04-24 최적화된 동기화 프리앰블 구조체 Expired - Lifetime KR100769022B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP99108083.9 1999-04-23
EP99108083A EP1049302B1 (en) 1999-04-23 1999-04-23 Synchronization preamble in an OFDM system

Related Child Applications (1)

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KR1020070009043A Division KR100770558B1 (ko) 1999-04-23 2007-01-29 최적화된 동기화 프리앰블 구조체

Publications (2)

Publication Number Publication Date
KR20000077075A KR20000077075A (ko) 2000-12-26
KR100769022B1 true KR100769022B1 (ko) 2007-10-22

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Country Link
US (1) US7145955B1 (enExample)
EP (2) EP1505787B1 (enExample)
JP (2) JP4563547B2 (enExample)
KR (1) KR100769022B1 (enExample)
CN (1) CN1197312C (enExample)
CA (1) CA2305168C (enExample)
DE (1) DE69932150T2 (enExample)
ES (2) ES2262266T3 (enExample)

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JP3636145B2 (ja) * 2001-06-15 2005-04-06 ソニー株式会社 復調タイミング生成回路および復調装置
EP1274209A1 (en) * 2001-07-04 2003-01-08 TELEFONAKTIEBOLAGET L M ERICSSON (publ) Frequency correction for a multicarrier system
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ATE492106T1 (de) * 2002-07-16 2011-01-15 Ihp Gmbh Verfahren und gerät zur rahmendetektion und synchronisierung
KR20040029253A (ko) * 2002-09-30 2004-04-06 삼성전자주식회사 직교 주파수 분할 다중 방식을 사용하는 통신시스템에서프리앰블 시퀀스 생성 장치 및 방법
KR100479864B1 (ko) * 2002-11-26 2005-03-31 학교법인 중앙대학교 이동 통신 시스템에서의 하향링크 신호의 구성 방법과동기화 방법 및 그 장치 그리고 이를 이용한 셀 탐색 방법
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US8433005B2 (en) 2004-01-28 2013-04-30 Qualcomm Incorporated Frame synchronization and initial symbol timing acquisition system and method
KR100910690B1 (ko) * 2004-01-28 2009-08-04 콸콤 인코포레이티드 Ofdm 수신기에서의 타이밍 추정 방법 및 시스템
US8724447B2 (en) 2004-01-28 2014-05-13 Qualcomm Incorporated Timing estimation in an OFDM receiver
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DE602004011899T2 (de) * 2004-04-21 2009-02-12 Sony Deutschland Gmbh Rahmensynchronisation mit Interferenzverminderung
US20050254559A1 (en) * 2004-05-11 2005-11-17 Wen-Sheng Hou Packet detection
WO2006000091A1 (en) * 2004-06-24 2006-01-05 Nortel Networks Limited Preambles in ofdma system
KR100749446B1 (ko) 2004-11-30 2007-08-14 한국전자통신연구원 직교주파수 분할다중화 시스템에서 초기 동기 이전의 자동이득조절 방법 및 장치
KR100702456B1 (ko) * 2004-12-10 2007-04-03 한국전자통신연구원 심벌 동기 검출 방법 및 그 장치
KR100729726B1 (ko) 2005-09-14 2007-06-18 한국전자통신연구원 직교 주파수 분할 다중화 방식의 통신 시스템의 타이밍획득 및 반송파 주파수 오차 추정 장치 및 방법
EP1838008A1 (en) * 2006-03-23 2007-09-26 Sony Deutschland Gmbh Preamble for synchronization
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US8798096B2 (en) * 2009-12-18 2014-08-05 Electronics And Telecommunications Research Institute Method for configuring preamble for communication system, preambler, and apparatus for generating packet using the same
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US9130727B2 (en) 2011-02-04 2015-09-08 Marvell World Trade Ltd. Control mode PHY for WLAN
CN105229950B (zh) 2013-04-15 2018-07-06 索尼公司 接收装置、接收方法
CN105659552B (zh) 2013-09-10 2019-09-13 马维尔国际贸易有限公司 用于生成具有选择的保护间隔的数据单元的方法和装置
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CN105830410B (zh) 2013-10-25 2020-07-03 马维尔亚洲私人有限公司 一种用于生成用于经由通信信道传输的物理层数据单元的方法和装置
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Also Published As

Publication number Publication date
EP1505787A2 (en) 2005-02-09
JP2008136253A (ja) 2008-06-12
CA2305168C (en) 2011-11-29
CN1272014A (zh) 2000-11-01
KR20000077075A (ko) 2000-12-26
EP1049302B1 (en) 2006-06-28
EP1049302A1 (en) 2000-11-02
JP4435239B2 (ja) 2010-03-17
JP2000341244A (ja) 2000-12-08
CN1197312C (zh) 2005-04-13
ES2262266T3 (es) 2006-11-16
DE69932150D1 (de) 2006-08-10
EP1505787A3 (en) 2005-02-23
US7145955B1 (en) 2006-12-05
EP1505787B1 (en) 2006-10-18
CA2305168A1 (en) 2000-10-23
JP4563547B2 (ja) 2010-10-13
ES2270261T3 (es) 2007-04-01
DE69932150T2 (de) 2006-11-09

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