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ES2169911T3 - Estructura de cuadro y sincronizacion de cuadro para sistemas de multiportadoras. - Google Patents

Estructura de cuadro y sincronizacion de cuadro para sistemas de multiportadoras.

Info

Publication number
ES2169911T3
ES2169911T3 ES98919265T ES98919265T ES2169911T3 ES 2169911 T3 ES2169911 T3 ES 2169911T3 ES 98919265 T ES98919265 T ES 98919265T ES 98919265 T ES98919265 T ES 98919265T ES 2169911 T3 ES2169911 T3 ES 2169911T3
Authority
ES
Spain
Prior art keywords
carrier systems
synchronization
bit sequence
symbol
signal
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
ES98919265T
Other languages
English (en)
Inventor
Ernst Eberlein
Sabah Badri
Stefan Lipp
Stephan Buchholz
Albert Heuberger
Heinz Gerhauser
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.)
Fraunhofer Gesellschaft zur Forderung der Angewandten Forschung eV
Original Assignee
Fraunhofer Gesellschaft zur Forderung der Angewandten Forschung eV
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=8166938&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ES2169911(T3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Fraunhofer Gesellschaft zur Forderung der Angewandten Forschung eV filed Critical Fraunhofer Gesellschaft zur Forderung der Angewandten Forschung eV
Application granted granted Critical
Publication of ES2169911T3 publication Critical patent/ES2169911T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • H04L27/2605—Symbol extensions, e.g. Zero Tail, Unique Word [UW]
    • 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
    • H04L27/2657—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
    • H04L27/2668—Details of algorithms
    • H04L27/2673—Details of algorithms characterised by synchronisation parameters
    • H04L27/2675—Pilot or known symbols
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Display Devices Of Pinball Game Machines (AREA)

Abstract

Un método para la generación de una señal que tiene estructura de cuadro, comprendiendo cada cuadro de dicha estructura de cuadro al menos un símbolo (12) útil, un intervalo (14) de guarda asociado a al menos dicho símbolo (12) útil, y un símbolo (16) de referencia, comprendiendo dicho método las etapas de: realizar una modulación de amplitud de una secuencia de bit, definiendo la envolvente de la secuencia de bit modulada en amplitud el patrón de referencia de dicho símbolo (16) de referencia, e insertar la secuencia de bit modulada en amplitud en dicha señal como dicho símbolo (16) de referencia.
ES98919265T 1998-04-14 1998-04-14 Estructura de cuadro y sincronizacion de cuadro para sistemas de multiportadoras. Expired - Lifetime ES2169911T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP1998/002169 WO1999053665A1 (en) 1998-04-14 1998-04-14 Frame structure and frame synchronization for multicarrier systems

Publications (1)

Publication Number Publication Date
ES2169911T3 true ES2169911T3 (es) 2002-07-16

Family

ID=8166938

Family Applications (1)

Application Number Title Priority Date Filing Date
ES98919265T Expired - Lifetime ES2169911T3 (es) 1998-04-14 1998-04-14 Estructura de cuadro y sincronizacion de cuadro para sistemas de multiportadoras.

Country Status (18)

Country Link
US (1) US6993084B1 (es)
EP (1) EP1072135B1 (es)
JP (1) JP3449984B2 (es)
KR (1) KR100377255B1 (es)
CN (1) CN1160921C (es)
AP (1) AP2000001940A0 (es)
AT (1) ATE210908T1 (es)
AU (1) AU749912B2 (es)
BR (1) BRPI9815807B8 (es)
CA (1) CA2328174C (es)
DE (1) DE69802970T2 (es)
DK (1) DK1072135T3 (es)
EA (1) EA002611B1 (es)
ES (1) ES2169911T3 (es)
SA (1) SA98190439A (es)
TW (1) TW412901B (es)
WO (1) WO1999053665A1 (es)
ZA (1) ZA983644B (es)

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DE60125925T2 (de) * 2001-07-10 2007-06-28 Sony Deutschland Gmbh Referenzsymbole zur Kanalschätzung bei Mehrträgerübertragung
WO2003032541A1 (fr) * 2001-09-28 2003-04-17 Fujitsu Limited Procede et dispositif de reception a multiplexage par repartition orthogonale de la frequence
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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
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GB0707334D0 (en) * 2007-04-17 2007-05-23 Kop Ltd Indicating and detecting the start of signal transmission employing frequency division multiplexing
US8831063B2 (en) * 2008-03-18 2014-09-09 Qualcomm Incorporated Single carrier burst structure for decision feedback equalization and tracking
US8385373B2 (en) * 2008-06-24 2013-02-26 Adc Telecommunications, Inc. Method and apparatus for frame detection in a communications system
US8396180B2 (en) * 2008-12-18 2013-03-12 Kawasaki Microelectronics America Inc. High jitter tolerant phase comparator
US8660072B2 (en) * 2010-01-18 2014-02-25 Telefonaktiebolaget L M Ericsson (Publ) Methods and apparatus for improved reference signal correlation characteristics
CN102238606B (zh) * 2010-04-30 2016-03-30 中兴通讯股份有限公司 一种基于帧结构扩展的信号处理方法和系统
KR101815942B1 (ko) * 2011-12-02 2018-01-09 삼성전자주식회사 엔벨로프를 검출하는 방법 및 장치
JP6381516B2 (ja) 2012-03-29 2018-08-29 スキピオ テクノロジーズ エス．アイ リミテッド デジタル通信のオーバヘッドおよび待ち時間の削減のためのフレーミング方式および方法
US9178968B2 (en) * 2012-04-26 2015-11-03 Broadcom Corporation Frame formatting for communications within single user, multiple user, multiple access, and/or MIMO wireless communications
JP5619074B2 (ja) * 2012-05-28 2014-11-05 ホアウェイ・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のための方法およびシステム
US9106499B2 (en) 2013-06-24 2015-08-11 Freescale Semiconductor, Inc. Frequency-domain frame synchronization in multi-carrier systems
US9100261B2 (en) * 2013-06-24 2015-08-04 Freescale Semiconductor, Inc. Frequency-domain amplitude normalization for symbol correlation in multi-carrier systems
US9282525B2 (en) 2013-06-24 2016-03-08 Freescale Semiconductor, Inc. Frequency-domain symbol and frame synchronization in multi-carrier systems
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DE102015213977A1 (de) * 2015-07-23 2017-01-26 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Standard-basiertes Funksignal Modifizierender Datensender
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CN113225291A (zh) * 2021-04-14 2021-08-06 国网信息通信产业集团有限公司 一种基于ofdm的自组网同步系统及其方法

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Also Published As

Publication number Publication date
JP3449984B2 (ja) 2003-09-22
BRPI9815807B8 (pt) 2016-05-31
EA200001064A1 (ru) 2001-06-25
BR9815807A (pt) 2003-01-07
AU7216298A (en) 1999-11-01
KR100377255B1 (ko) 2003-03-26
CA2328174C (en) 2003-08-05
ZA983644B (en) 1998-11-04
DK1072135T3 (da) 2002-04-08
SA98190439A (ar) 2005-12-03
KR20010042706A (ko) 2001-05-25
EP1072135B1 (en) 2001-12-12
US6993084B1 (en) 2006-01-31
WO1999053665A8 (en) 2000-11-16
BR9815807B1 (pt) 2012-01-24
ATE210908T1 (de) 2001-12-15
AP2000001940A0 (en) 2000-12-31
DE69802970D1 (de) 2002-01-24
EP1072135A1 (en) 2001-01-31
CN1292964A (zh) 2001-04-25
CN1160921C (zh) 2004-08-04
DE69802970T2 (de) 2002-08-01
AU749912B2 (en) 2002-07-04
WO1999053665A1 (en) 1999-10-21
JP2002511709A (ja) 2002-04-16
TW412901B (en) 2000-11-21
EA002611B1 (ru) 2002-06-27
CA2328174A1 (en) 1999-10-21

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