CN1197312C - 最佳同步前置结构 - Google Patents

最佳同步前置结构 Download PDF

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Publication number
CN1197312C
CN1197312C CNB001070215A CN00107021A CN1197312C CN 1197312 C CN1197312 C CN 1197312C CN B001070215 A CNB001070215 A CN B001070215A CN 00107021 A CN00107021 A CN 00107021A CN 1197312 C CN1197312 C CN 1197312C
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CN
China
Prior art keywords
sequence
preposition
synchronization
ifft
time
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.)
Expired - Lifetime
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CNB001070215A
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English (en)
Chinese (zh)
Other versions
CN1272014A (zh
Inventor
R·贝恩克
T·德勒
T·康沙克
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.)
Wi Fi Technology International Co ltd
Sony Corp
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Sony International Europe GmbH
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Publication date
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Publication of CN1272014A publication Critical patent/CN1272014A/zh
Application granted granted Critical
Publication of CN1197312C publication Critical patent/CN1197312C/zh
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Expired - Lifetime legal-status Critical Current

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    • 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
    • H04L27/2602—Signal structure
    • H04L27/261—Details of reference signals
    • H04L27/2613—Structure of the reference signals
    • 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
    • H04L27/2602—Signal structure
    • H04L27/261—Details of reference signals
    • H04L27/2613—Structure of the reference signals
    • H04L27/26134—Pilot insertion in the transmitter chain, e.g. pilot overlapping with data, insertion in time or 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
    • H04L27/2614—Peak power aspects
    • H04L27/262—Reduction thereof by selection of pilot symbols
    • 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
    • H04L27/2626—Arrangements specific to the transmitter only
    • H04L27/2627—Modulators
    • H04L27/2628—Inverse Fourier transform modulators, e.g. inverse fast Fourier transform [IFFT] or inverse discrete Fourier transform [IDFT] modulators
    • 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
    • H04L27/2657—Carrier 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
    • H04L27/2692—Link 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
    • 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
    • H04L27/2656—Frame synchronisation, e.g. packet synchronisation, time division duplex [TDD] switching point detection or subframe 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
    • H04L27/2662—Symbol 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)
CNB001070215A 1999-04-23 2000-04-24 最佳同步前置结构 Expired - Lifetime CN1197312C (zh)

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

Publications (2)

Publication Number Publication Date
CN1272014A CN1272014A (zh) 2000-11-01
CN1197312C true CN1197312C (zh) 2005-04-13

Family

ID=8238035

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB001070215A Expired - Lifetime CN1197312C (zh) 1999-04-23 2000-04-24 最佳同步前置结构

Country Status (8)

Country Link
US (1) US7145955B1 (OSRAM)
EP (2) EP1505787B1 (OSRAM)
JP (2) JP4563547B2 (OSRAM)
KR (1) KR100769022B1 (OSRAM)
CN (1) CN1197312C (OSRAM)
CA (1) CA2305168C (OSRAM)
DE (1) DE69932150T2 (OSRAM)
ES (2) ES2270261T3 (OSRAM)

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EP1439677B9 (en) 1999-01-08 2007-11-07 Sony Deutschland GmbH Synchronisation symbol structure for an OFDM system
JP3513465B2 (ja) * 2000-02-22 2004-03-31 シャープ株式会社 無線通信送信機及び無線通信受信機
DE10040222A1 (de) * 2000-08-17 2002-02-28 Marconi Comm Gmbh Verfahren zum Betreiben eines Nachrichten-Empfängers
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
EP1274193A1 (en) * 2001-07-04 2003-01-08 TELEFONAKTIEBOLAGET L M ERICSSON (publ) Method and device for providing timing information in a wireless communication system
US7548506B2 (en) * 2001-10-17 2009-06-16 Nortel Networks Limited System access and synchronization methods for MIMO OFDM communications systems and physical layer packet and preamble design
ATE492106T1 (de) * 2002-07-16 2011-01-15 Ihp Gmbh Verfahren und gerät zur rahmendetektion und synchronisierung
US20040066740A1 (en) * 2002-09-30 2004-04-08 Samsung Electronics Co., Ltd. Apparatus and method for generating preamble sequence in a OFDM communication system
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
AU2003269739A1 (en) * 2003-03-28 2004-10-18 Intel Corporation Method and apparatus for ofdm symbol timing synchronization
FI115683B (fi) * 2003-04-10 2005-06-15 Elektrobit Oy Synkronisointimenetelmä ja tiedonsiirtojärjestelmä
US7116632B2 (en) * 2003-06-05 2006-10-03 Meshnetworks, Inc. System and method for determining synchronization point in OFDM modems for accurate time of flight measurement
DE60316202T2 (de) * 2003-10-03 2008-05-29 Nokia Corp. Verfahren, system und empfänger zum empfangen einer mehrträger-übertragung
CN102752096A (zh) * 2004-01-28 2012-10-24 高通股份有限公司 Ofdm接收机中的定时估计
US8724447B2 (en) 2004-01-28 2014-05-13 Qualcomm Incorporated Timing estimation in an OFDM receiver
US8433005B2 (en) 2004-01-28 2013-04-30 Qualcomm Incorporated Frame synchronization and initial symbol timing acquisition system and method
KR100804667B1 (ko) 2004-03-09 2008-02-20 포스데이타 주식회사 다중-반송파 통신 시스템에서의 랜덤 억세스 방법 및 장치
EP1589689B1 (en) * 2004-04-21 2008-02-20 Sony Deutschland GmbH Frame synchronisation scheme with interference reduction
US20050254559A1 (en) * 2004-05-11 2005-11-17 Wen-Sheng Hou Packet detection
EP2993851B1 (en) * 2004-06-24 2019-04-24 Apple Inc. 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
CN101083645B (zh) * 2006-06-01 2010-04-07 电子科技大学 一种低复杂度ofdm快速同步的方法
BRPI0807071B1 (pt) 2007-05-02 2017-01-17 Huawei Tech Co Ltd método, transmissor, receptor e sistema para estabelecer um sinal de sincronização para transmissão em um sistema de comunicação
WO2008140344A1 (en) * 2007-05-11 2008-11-20 Siemens Aktiengesellschaft A method and a system for synchronizing ofdm-transceivers
WO2009084923A2 (en) 2008-01-03 2009-07-09 Lg Electronics Inc. Method for transmitting preamble in scalable bandwidth system
JP5031600B2 (ja) * 2008-01-28 2012-09-19 京セラ株式会社 無線通信方法、無線通信システム、基地局、移動局
US7796498B2 (en) * 2008-06-29 2010-09-14 Intel Corporation Weighted tone reservation for OFDM PAPR reduction
JP5153523B2 (ja) * 2008-09-01 2013-02-27 株式会社日立製作所 無線基地局装置および無線移動局装置
US8416675B2 (en) * 2008-09-30 2013-04-09 Intel Corporation Tone reservation techniques for reducing peak-to-average power ratios
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
US9178745B2 (en) 2011-02-04 2015-11-03 Marvell World Trade Ltd. Control mode PHY for WLAN
KR102036296B1 (ko) 2011-02-04 2019-10-24 마벨 월드 트레이드 리미티드 Wlan용 제어 모드 phy
CN105229950B (zh) * 2013-04-15 2018-07-06 索尼公司 接收装置、接收方法
KR102583779B1 (ko) 2013-09-10 2023-10-04 마벨 아시아 피티이 엘티디. 옥외 wlan용 확장 보호 구간
US9712358B2 (en) 2013-10-25 2017-07-18 Marvell World Trade Ltd. Range extension mode for WiFi
US10218822B2 (en) 2013-10-25 2019-02-26 Marvell World Trade Ltd. Physical layer frame format for WLAN
US10194006B2 (en) 2013-10-25 2019-01-29 Marvell World Trade Ltd. Physical layer frame format for WLAN
US10034257B2 (en) * 2014-02-25 2018-07-24 Lg Electronics Inc. Method and apparatus for generating device-to-device terminal signal in wireless communication system
US11855818B1 (en) 2014-04-30 2023-12-26 Marvell Asia Pte Ltd Adaptive orthogonal frequency division multiplexing (OFDM) numerology in a wireless communication network
CN107431575B (zh) 2015-02-17 2021-03-02 马维尔亚洲私人有限公司 用于phy数据单元传输的方法和设备
CN106341362B (zh) * 2015-07-09 2021-04-02 北京三星通信技术研究有限公司 导频发送方法、导频接收方法及其装置
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US11778560B2 (en) * 2019-07-10 2023-10-03 Telefonaktiebolaget Lm Ericsson (Publ) Avoiding false detection associated with wake-up signal
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Also Published As

Publication number Publication date
KR100769022B1 (ko) 2007-10-22
CA2305168A1 (en) 2000-10-23
EP1049302A1 (en) 2000-11-02
US7145955B1 (en) 2006-12-05
DE69932150T2 (de) 2006-11-09
KR20000077075A (ko) 2000-12-26
ES2270261T3 (es) 2007-04-01
CN1272014A (zh) 2000-11-01
EP1505787B1 (en) 2006-10-18
DE69932150D1 (de) 2006-08-10
EP1505787A2 (en) 2005-02-09
EP1505787A3 (en) 2005-02-23
CA2305168C (en) 2011-11-29
ES2262266T3 (es) 2006-11-16
JP4435239B2 (ja) 2010-03-17
EP1049302B1 (en) 2006-06-28
JP2008136253A (ja) 2008-06-12
JP4563547B2 (ja) 2010-10-13
JP2000341244A (ja) 2000-12-08

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Owner name: SONY INT EUROP GMBH

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Patentee after: WI-FI Technology International Co.,Ltd.

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