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

最佳同步前置结构 Download PDF

Info

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
Authority
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
Application number
CNB001070215A
Other languages
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
Original Assignee
Sony International Europe 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 International Europe GmbH filed Critical Sony International Europe GmbH
Publication of CN1272014A publication Critical patent/CN1272014A/zh
Application granted granted Critical
Publication of CN1197312C publication Critical patent/CN1197312C/zh
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

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
    • H04L27/2602—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

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)
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 (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)

Families Citing this family (47)

* 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
EP1722527B1 (en) 1999-01-08 2008-08-06 Sony Deutschland Gmbh Synchronisation symbol structure for 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
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
FI115683B (fi) * 2003-04-10 2005-06-15 Elektrobit Oy Synkronisointimenetelmä ja tiedonsiirtojärjestelmä
EP1652207A4 (en) * 2003-06-05 2011-12-28 Meshnetworks Inc SYSTEM AND METHOD FOR DETERMINING A SYNCHRONIZATION POINT IN OFDM MODEMS FOR EXACT TIME-of-Flight Measurement
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
US7995967B2 (en) 2004-03-09 2011-08-09 Neocific, Inc Methods and apparatus for random access in multi-carrier communication systems
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
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
JP5280376B2 (ja) * 2007-05-02 2013-09-04 ファーウェイ テクノロジーズ カンパニー リミテッド 通信システムにおける同期信号を確立する方法および装置
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
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
US10194006B2 (en) 2013-10-25 2019-01-29 Marvell World Trade Ltd. Physical layer frame format for WLAN
US10218822B2 (en) 2013-10-25 2019-02-26 Marvell World Trade Ltd. Physical layer frame format for WLAN
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
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
WO2016134020A1 (en) 2015-02-17 2016-08-25 Marvell Semiconductor, Inc. Block coding scheme for phy data unit transmission
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
EP0915597B1 (en) * 1997-11-05 2007-02-14 Sony Deutschland GmbH Synchronisation of digital communication systems
US6549592B1 (en) * 1998-02-06 2003-04-15 Cisco Technology, Inc Enhanced synchronization burst for OFDM systems

Also Published As

Publication number Publication date
EP1505787A2 (en) 2005-02-09
JP2008136253A (ja) 2008-06-12
CA2305168C (en) 2011-11-29
KR100769022B1 (ko) 2007-10-22
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
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

Similar Documents

Publication Publication Date Title
CN1197312C (zh) 最佳同步前置结构
CN1282318C (zh) 产生用于同步ofdm传输系统接收机的头信号的方法
CA2536234A1 (en) Apparatus and method for reducing papr in ofdm communication system
CN1902876A (zh) Ofdm信号的调制与解调
CN112671473B (zh) 一种基于被动时反技术的otfs水声通信方法
CN118337590B (zh) 一种基于加窗截断的chirp多载波传输方法
JPH11346204A5 (enExample)
CN101989971B (zh) 一种带外功率抑制方法及装置
CN1490955A (zh) 利用频域pn序列导频获得粗频偏估计的方法
CN116132242B (zh) 一种基于幅值均衡的通感融合性能优化方法
CN1913509A (zh) 一种正交频分复用技术无线系统中的同步方法
CN1655544A (zh) 基于正交频分复用的通信系统的码元定时同步方法
CN1279711C (zh) 正交频分复用系统基于Walsh变换的抗信道噪声均衡方法
CN1665230A (zh) 基于可调时频训练序列的低复杂度频偏估计方法
CN113225292B (zh) 利用导频分块降低ofdm峰均比的方法
KR100770558B1 (ko) 최적화된 동기화 프리앰블 구조체
CN1750429A (zh) 用于正交频分复用移动通信系统的多普勒频移估计方法
CN1665229A (zh) 基于异种间距频域训练序列的频偏估计方法
CN1791079A (zh) 正交频分复用系统中估计相位误差的方法
CN1901518A (zh) 一种弱能量并行pn序列进行信道估计的方法
CN1553643A (zh) 一种扩大无线局域网物理层覆盖范围的方法
CA2598677A1 (en) Optimized synchronization preamble structure
CN116520278A (zh) 一种基于雷达通信一体化系统接收端的信号处理方法
CN102439929B (zh) Ofdm信号的调制方法和调制装置
CN102263740A (zh) 一种数字广播无线信号传输方法

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
ASS Succession or assignment of patent right

Owner name: SONY INT EUROP GMBH

Free format text: FORMER OWNER: SONY INTERNATIONAL (EUROPE) G.M.B.H.

Effective date: 20120509

C41 Transfer of patent application or patent right or utility model
TR01 Transfer of patent right

Effective date of registration: 20120509

Address after: Berlin

Patentee after: SONY DEUTSCHLAND GmbH

Address before: Berlin

Patentee before: Sony International (Europe) GmbH

TR01 Transfer of patent right

Effective date of registration: 20190918

Address after: Ai Er Landubailin

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

Address before: Tokyo, Japan

Patentee before: Sony Corp.

Effective date of registration: 20190918

Address after: Tokyo, Japan

Patentee after: Sony Corp.

Address before: Berlin

Patentee before: SONY DEUTSCHLAND GmbH

TR01 Transfer of patent right
CX01 Expiry of patent term

Granted publication date: 20050413

CX01 Expiry of patent term