DE69932150D1 - Synchronisierungspräambel in einem OFDM-System - Google Patents

Synchronisierungspräambel in einem OFDM-System

Info

Publication number
DE69932150D1
DE69932150D1 DE69932150T DE69932150T DE69932150D1 DE 69932150 D1 DE69932150 D1 DE 69932150D1 DE 69932150 T DE69932150 T DE 69932150T DE 69932150 T DE69932150 T DE 69932150T DE 69932150 D1 DE69932150 D1 DE 69932150D1
Authority
DE
Germany
Prior art keywords
ofdm system
synchronization preamble
preamble
synchronization
ofdm
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
Application number
DE69932150T
Other languages
English (en)
Other versions
DE69932150T2 (de
Inventor
Ralf Boehnke
Tino Konschak
Thomas Doelle
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.)
Sony Deutschland GmbH
Original Assignee
Sony Deutschland GmbH
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 Sony Deutschland GmbH filed Critical Sony Deutschland GmbH
Publication of DE69932150D1 publication Critical patent/DE69932150D1/de
Application granted granted Critical
Publication of DE69932150T2 publication Critical patent/DE69932150T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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

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)
  • Synchronisation In Digital Transmission Systems (AREA)
DE69932150T 1999-04-23 1999-04-23 Synchronisierungspräambel in einem OFDM-System Expired - Lifetime DE69932150T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP99108083A EP1049302B1 (de) 1999-04-23 1999-04-23 Synchronisierungspräambel in einem OFDM-System

Publications (2)

Publication Number Publication Date
DE69932150D1 true DE69932150D1 (de) 2006-08-10
DE69932150T2 DE69932150T2 (de) 2006-11-09

Family

ID=8238035

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69932150T Expired - Lifetime DE69932150T2 (de) 1999-04-23 1999-04-23 Synchronisierungspräambel in einem OFDM-System

Country Status (8)

Country Link
US (1) US7145955B1 (de)
EP (2) EP1049302B1 (de)
JP (2) JP4563547B2 (de)
KR (1) KR100769022B1 (de)
CN (1) CN1197312C (de)
CA (1) CA2305168C (de)
DE (1) DE69932150T2 (de)
ES (2) ES2262266T3 (de)

Families Citing this family (46)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE43703E1 (en) 1997-09-04 2012-10-02 Sony Deutschland Gmbh Transmission system for OFDM-signals with optimized synchronization
EP1530336B1 (de) 1999-01-08 2009-06-10 Sony Deutschland GmbH Synchronisierungspräambelstruktur für 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 (de) * 2001-07-04 2003-01-08 TELEFONAKTIEBOLAGET L M ERICSSON (publ) Frequenzkorrektur in Mehrträgersystemen
EP1274193A1 (de) * 2001-07-04 2003-01-08 TELEFONAKTIEBOLAGET L M ERICSSON (publ) Verfahren und Vorrichtung zur Bereitstellung von Taktinformation in einem drahtlosen Nachrichtenübertragungsnetzwerk
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
EP1530858B1 (de) * 2002-07-16 2010-12-15 IHP GmbH-Innovations for High Performance Microelectronics / Leibniz-Institut für innovative Mikroelektronik 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
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
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
EP1589689B1 (de) * 2004-04-21 2008-02-20 Sony Deutschland GmbH Rahmensynchronisation mit Interferenzverminderung
US20050254559A1 (en) * 2004-05-11 2005-11-17 Wen-Sheng Hou Packet detection
EP2442513A1 (de) * 2004-06-24 2012-04-18 Nortel Networks Limited Präambeln in OFDMA-Systemen
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 (de) * 2006-03-23 2007-09-26 Sony Deutschland Gmbh Synchronisierungspräambel
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
EP2988439A4 (de) * 2013-04-15 2016-12-14 Sony Corp Empfangsvorrichtung, empfangsverfahren und programm
KR102583779B1 (ko) 2013-09-10 2023-10-04 마벨 아시아 피티이 엘티디. 옥외 wlan용 확장 보호 구간
EP3700155A1 (de) 2013-10-25 2020-08-26 Marvell World Trade Ltd. Bereichserweiterungsmodus für 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
WO2015130067A1 (ko) * 2014-02-25 2015-09-03 엘지전자 주식회사 무선 통신 시스템에서 장치 대 장치 단말 신호 생성 방법 및 장치
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
US10756925B2 (en) 2018-11-13 2020-08-25 Semiconductor Components Industries, Llc Slave device enhancing data rate of DSI3 bus
JP7379650B2 (ja) * 2019-07-10 2023-11-14 テレフオンアクチーボラゲット エルエム エリクソン(パブル) 起動信号に関連する誤検出の回避
US10771281B1 (en) 2019-11-04 2020-09-08 Semiconductor Components Industries, Llc Semi-differential signaling for DSI3 bus enhancement

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2259534B1 (de) * 1997-11-05 2014-08-06 Sony Deutschland Gmbh Synchronisierung in digitalen Kommunikationssystemen
US6549592B1 (en) * 1998-02-06 2003-04-15 Cisco Technology, Inc Enhanced synchronization burst for OFDM systems

Also Published As

Publication number Publication date
EP1505787B1 (de) 2006-10-18
JP4563547B2 (ja) 2010-10-13
CA2305168A1 (en) 2000-10-23
JP2000341244A (ja) 2000-12-08
KR100769022B1 (ko) 2007-10-22
EP1049302B1 (de) 2006-06-28
CN1272014A (zh) 2000-11-01
EP1505787A3 (de) 2005-02-23
EP1049302A1 (de) 2000-11-02
CN1197312C (zh) 2005-04-13
JP2008136253A (ja) 2008-06-12
DE69932150T2 (de) 2006-11-09
US7145955B1 (en) 2006-12-05
CA2305168C (en) 2011-11-29
JP4435239B2 (ja) 2010-03-17
ES2262266T3 (es) 2006-11-16
ES2270261T3 (es) 2007-04-01
EP1505787A2 (de) 2005-02-09
KR20000077075A (ko) 2000-12-26

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