ZA983644B - Method and apparatus for generating a signal having a frame structure and method and apparatus for frame synchronization - Google Patents

Method and apparatus for generating a signal having a frame structure and method and apparatus for frame synchronization

Info

Publication number
ZA983644B
ZA983644B ZA983644A ZA983644A ZA983644B ZA 983644 B ZA983644 B ZA 983644B ZA 983644 A ZA983644 A ZA 983644A ZA 983644 A ZA983644 A ZA 983644A ZA 983644 B ZA983644 B ZA 983644B
Authority
ZA
South Africa
Prior art keywords
generating
signal
frame
frame structure
frame synchronization
Prior art date
Application number
ZA983644A
Other languages
English (en)
Inventor
Ernst Eberlein
Sabah Badri
Stefan Lipp
Stephan Buchholz
Albert Heuberger
Heinz Gerhaeuser
Original Assignee
Fraunhofer Ges Forschung
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=ZA983644(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Fraunhofer Ges Forschung filed Critical Fraunhofer Ges Forschung
Publication of ZA983644B publication Critical patent/ZA983644B/xx

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/26Systems using multi-frequency codes
    • 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
    • H04L27/2605Symbol extensions, e.g. Zero Tail, Unique Word [UW]
    • 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
    • H04L27/2657Carrier 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
    • H04L27/2668Details of algorithms
    • H04L27/2673Details of algorithms characterised by synchronisation parameters
    • H04L27/2675Pilot or known symbols
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/003Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048Allocation 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)
ZA983644A 1998-04-14 1998-04-30 Method and apparatus for generating a signal having a frame structure and method and apparatus for frame synchronization ZA983644B (en)

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
ZA983644B true ZA983644B (en) 1998-11-04

Family

ID=8166938

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA983644A ZA983644B (en) 1998-04-14 1998-04-30 Method and apparatus for generating a signal having a frame structure and method and apparatus for frame synchronization

Country Status (18)

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

Families Citing this family (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE9801748L (sv) * 1998-05-18 1999-11-19 Telia Ab Förbättringar i eller som hänför sig till telekommunikationsöverföringssystem
US6711221B1 (en) * 2000-02-16 2004-03-23 Thomson Licensing S.A. Sampling offset correction in an orthogonal frequency division multiplexing system
DE10015257A1 (de) * 2000-03-28 2001-10-04 Rohde & Schwarz Verfahren zum Übertragen von OFDM-Signalen
US7394864B2 (en) * 2001-07-06 2008-07-01 Conexant, Inc. Mixed waveform configuration for wireless communications
EP1276288B1 (en) * 2001-07-10 2007-01-10 Sony Deutschland GmbH Reference symbols for channel estimation with multicarrier transmission
JPWO2003032542A1 (ja) * 2001-09-28 2005-01-27 富士通株式会社 周波数同期方法及び周波数同期装置
JP4640754B2 (ja) * 2001-09-28 2011-03-02 富士通株式会社 Ofdm受信方法及びofdm受信装置
US6760365B2 (en) * 2001-10-11 2004-07-06 Interdigital Technology Corporation Acquisition circuit for low chip rate option for mobile telecommunication system
KR100722184B1 (ko) * 2003-06-05 2007-05-29 메시네트웍스, 인코포레이티드 정확한 tof 측정을 위해 ofdm 모뎀들의 동기화시점을 결정하는 시스템 및 방법
KR20060005925A (ko) * 2004-07-14 2006-01-18 에스케이 텔레콤주식회사 Tdd방식과 ofdm 변조 방식을 이용하는 이동통신망의 rf 중계기에서 전송 신호를 분리하는 스위칭타이밍 신호 생성 방법 및 시스템
US20060034244A1 (en) * 2004-08-11 2006-02-16 Interdigital Technology Corporation Method and system for link adaptation in an orthogonal frequency division multiplexing (OFDM) wireless communication system
US7535972B2 (en) * 2005-06-24 2009-05-19 Broadcom Corporation Programmable transmitter
US8139661B2 (en) 2005-12-08 2012-03-20 Electronics And Telecommunications Research Institute Signal transmitting and receiving apparatuses
KR100746554B1 (ko) 2005-12-08 2007-08-06 한국전자통신연구원 신호 송/수신 장치
EP2816738B1 (en) 2006-01-18 2017-06-21 Huawei Technologies Co., Ltd. Method and system for synchronization in a communication system
KR100821938B1 (ko) * 2006-04-14 2008-04-15 삼성전자주식회사 무선통신시스템에서 상향링크 주파수 옵셋 추정 장치 및방법
US7813436B1 (en) 2006-09-07 2010-10-12 Marvell International Ltd. Frame synchronization method and apparatus
TWI355831B (en) * 2007-04-02 2012-01-01 Ind Tech Res Inst Method for estimating and compensating frequency o
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
EP2865121B1 (en) 2012-03-29 2019-03-20 Sckipio Technologies S.i Ltd Framing scheme and method for overhead and latency reduction of digital communications
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
EP3094015B1 (en) * 2014-03-17 2019-11-20 Nippon Telegraph and Telephone Corporation Optical-signal transmission device and optical-signal transmission method
DE102015213977A1 (de) * 2015-07-23 2017-01-26 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Standard-basiertes Funksignal Modifizierender Datensender
US10313102B2 (en) * 2016-12-22 2019-06-04 Macom Connectivity Solutions, Llc Power optimization mechanisms for framers by selectively deactivating frame alignment process
EP3370365B1 (en) * 2017-03-02 2020-07-01 Nxp B.V. Processing module and associated method
US11438880B2 (en) * 2019-11-22 2022-09-06 Qualcomm Incorporated Boundary identification for probabilistic amplitude shaping
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

Family Cites Families (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4679227A (en) 1985-05-20 1987-07-07 Telebit Corporation Ensemble modem structure for imperfect transmission media
US5191576A (en) 1988-11-18 1993-03-02 L'Etat Francais and Telediffusion de France S.A. Method for broadcasting of digital data, notably for radio broadcasting at high throughput rate towards mobile receivers, with time frequency interlacing and analog synchronization
SG44771A1 (en) * 1991-02-28 1997-12-19 Philips Electronics Nv System for broadcasting and receiving digital data receiver and transmitter for use in such system
FR2707064B1 (pt) 1993-06-21 1996-03-08 France Telecom
JP3074103B2 (ja) * 1993-11-16 2000-08-07 株式会社東芝 Ofdm同期復調回路
JP3139909B2 (ja) * 1994-03-15 2001-03-05 株式会社東芝 階層的直交周波数多重伝送方式および送受信装置
US5657313A (en) * 1994-05-09 1997-08-12 Victor Company Of Japan, Ltd. Signal transmitting apparatus and signal receiving apparatus using orthogonal frequency division multiplexing
US5627863A (en) * 1994-07-15 1997-05-06 Amati Communications Corporation Frame synchronization in multicarrier transmission systems
JP3124717B2 (ja) 1995-01-10 2001-01-15 松下電器産業株式会社 直交周波数分割多重信号の伝送方法およびその受信装置
US5774450A (en) 1995-01-10 1998-06-30 Matsushita Electric Industrial Co., Ltd. Method of transmitting orthogonal frequency division multiplexing signal and receiver thereof
JP3130752B2 (ja) * 1995-02-24 2001-01-31 株式会社東芝 Ofdm伝送受信方式及び送受信装置
JP3145003B2 (ja) * 1995-03-23 2001-03-12 株式会社東芝 直交周波数分割多重伝送方式とその送信装置および受信装置
KR0155818B1 (ko) * 1995-04-29 1998-11-16 김광호 다중 반송파 전송시스템에서 적응형 전력 분배 방법 및 장치
JPH09153882A (ja) * 1995-09-25 1997-06-10 Victor Co Of Japan Ltd 直交周波数分割多重信号伝送方式、送信装置及び受信装置
JPH09116465A (ja) 1995-10-16 1997-05-02 Kokusai Electric Co Ltd スペクトル拡散通信用相関器
US5631610A (en) * 1996-01-25 1997-05-20 Aware, Inc. Single side-band modulation system for use in digitally implemented multicarrier transmission systems
JPH09214464A (ja) 1996-02-02 1997-08-15 Fujitsu Ten Ltd 直交周波数分割多重受信機の同期検出装置
US5732113A (en) 1996-06-20 1998-03-24 Stanford University Timing and frequency synchronization of OFDM signals
JP3407558B2 (ja) * 1996-08-23 2003-05-19 ソニー株式会社 送信方法、送信装置、受信方法、受信装置、多元接続方法及び多元接続システム
TW465234B (en) * 1997-02-18 2001-11-21 Discovision Ass Single chip VLSI implementation of a digital receiver employing orthogonal frequency division multiplexing
US6175550B1 (en) * 1997-04-01 2001-01-16 Lucent Technologies, Inc. Orthogonal frequency division multiplexing system with dynamically scalable operating parameters and method thereof
US6363175B1 (en) * 1997-04-02 2002-03-26 Sonyx, Inc. Spectral encoding of information
US6151296A (en) * 1997-06-19 2000-11-21 Qualcomm Incorporated Bit interleaving for orthogonal frequency division multiplexing in the transmission of digital signals
US6092122A (en) * 1997-06-30 2000-07-18 Integrated Telecom Express xDSL DMT modem using sub-channel selection to achieve scaleable data rate based on available signal processing resources

Also Published As

Publication number Publication date
TW412901B (en) 2000-11-21
EA002611B1 (ru) 2002-06-27
CA2328174C (en) 2003-08-05
WO1999053665A1 (en) 1999-10-21
AP2000001940A0 (en) 2000-12-31
EP1072135A1 (en) 2001-01-31
JP3449984B2 (ja) 2003-09-22
DE69802970D1 (de) 2002-01-24
WO1999053665A8 (en) 2000-11-16
SA98190439A (ar) 2005-12-03
CN1160921C (zh) 2004-08-04
CN1292964A (zh) 2001-04-25
AU7216298A (en) 1999-11-01
AU749912B2 (en) 2002-07-04
JP2002511709A (ja) 2002-04-16
US6993084B1 (en) 2006-01-31
DK1072135T3 (da) 2002-04-08
BR9815807B1 (pt) 2012-01-24
CA2328174A1 (en) 1999-10-21
ES2169911T3 (es) 2002-07-16
ATE210908T1 (de) 2001-12-15
BRPI9815807B8 (pt) 2016-05-31
EP1072135B1 (en) 2001-12-12
KR20010042706A (ko) 2001-05-25
EA200001064A1 (ru) 2001-06-25
BR9815807A (pt) 2003-01-07
DE69802970T2 (de) 2002-08-01
KR100377255B1 (ko) 2003-03-26

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