ATE492106T1 - Verfahren und gerät zur rahmendetektion und synchronisierung - Google Patents

Verfahren und gerät zur rahmendetektion und synchronisierung

Info

Publication number
ATE492106T1
ATE492106T1 AT03763880T AT03763880T ATE492106T1 AT E492106 T1 ATE492106 T1 AT E492106T1 AT 03763880 T AT03763880 T AT 03763880T AT 03763880 T AT03763880 T AT 03763880T AT E492106 T1 ATE492106 T1 AT E492106T1
Authority
AT
Austria
Prior art keywords
simplified
detection
absolute maximum
differentiated signal
algorithm
Prior art date
Application number
AT03763880T
Other languages
English (en)
Inventor
Alfonso Troya
Koushik Maharatna
Milos Krstic
Eckhard Grass
Original Assignee
Ihp 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 Ihp Gmbh filed Critical Ihp Gmbh
Application granted granted Critical
Publication of ATE492106T1 publication Critical patent/ATE492106T1/de

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
    • H04L27/2647Arrangements 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
    • H04L27/2668Details of algorithms
    • H04L27/2673Details of algorithms characterised by synchronisation parameters
    • H04L27/2675Pilot or known symbols

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
AT03763880T 2002-07-16 2003-07-16 Verfahren und gerät zur rahmendetektion und synchronisierung ATE492106T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP02090257 2002-07-16
PCT/EP2003/007750 WO2004008706A2 (en) 2002-07-16 2003-07-16 Method and device for frame detection and synchronization

Publications (1)

Publication Number Publication Date
ATE492106T1 true ATE492106T1 (de) 2011-01-15

Family

ID=30011223

Family Applications (1)

Application Number Title Priority Date Filing Date
AT03763880T ATE492106T1 (de) 2002-07-16 2003-07-16 Verfahren und gerät zur rahmendetektion und synchronisierung

Country Status (5)

Country Link
US (1) US7606333B2 (de)
EP (1) EP1530858B1 (de)
AT (1) ATE492106T1 (de)
DE (1) DE60335379D1 (de)
WO (1) WO2004008706A2 (de)

Families Citing this family (46)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7480234B1 (en) * 2003-10-31 2009-01-20 Cisco Technology, Inc. Initial timing estimation in a wireless network receiver
US8433005B2 (en) * 2004-01-28 2013-04-30 Qualcomm Incorporated Frame synchronization and initial symbol timing acquisition system and method
US8724447B2 (en) 2004-01-28 2014-05-13 Qualcomm Incorporated Timing estimation in an OFDM receiver
RU2335853C2 (ru) * 2004-01-28 2008-10-10 Квэлкомм Инкорпорейтед Оценка тайминга в приемнике ofdm
US8311152B1 (en) 2004-02-27 2012-11-13 Marvell International Ltd. Adaptive OFDM receiver based on carrier frequency offset
US7515657B1 (en) * 2004-03-05 2009-04-07 Marvell International Ltd. Frequency tracking for OFDM transmission over frequency selective channels
US7477683B2 (en) 2004-03-29 2009-01-13 Stmicroelectronics Ltd. Periodic DMT signals with cyclic extension
US7274757B1 (en) * 2004-04-05 2007-09-25 Advanced Micro Devices, Inc. Autocorrelation threshold generation based on median filtering for symbol boundary detection in an OFDM receiver
JP2005303691A (ja) * 2004-04-13 2005-10-27 Oki Electric Ind Co Ltd 同期検出装置および同期検出方法
JP4606062B2 (ja) * 2004-05-12 2011-01-05 富士通テン株式会社 デジタル放送受信機および放送受信方法
US7346116B2 (en) * 2004-07-01 2008-03-18 Zarbana Digital Fund Llc Systems and methods for rapid signal detection and identification
US7769372B1 (en) * 2004-07-08 2010-08-03 National Semiconductor Corporation Selectively activated multi-subcarrier (SAMS) radio transceiver measuring techniques
US7860193B2 (en) 2004-07-20 2010-12-28 Qualcomm Incorporated Coarse timing estimation system and methodology for wireless symbols
US8081714B2 (en) * 2004-11-01 2011-12-20 Broadcom Corporation Method and system for reuse of CORDIC in an RF transceiver by reconfiguration in real time
GB2420953B (en) 2004-12-16 2008-12-03 Fujitsu Ltd Symbol timing estimation in communication systems
US7852822B2 (en) * 2004-12-22 2010-12-14 Qualcomm Incorporated Wide area and local network ID transmission for communication systems
TWI285484B (en) * 2004-12-27 2007-08-11 Ind Tech Res Inst Method for detecting signal and estimating symbol timing
KR100579531B1 (ko) * 2005-01-28 2006-05-15 삼성전자주식회사 Ofdm 수신기에 적용되는 심볼시간 동기 장치 및 그 방법
US7920658B2 (en) 2005-03-10 2011-04-05 Qualcomm Incorporated Efficient method to compute one shot frequency estimate
US20060221810A1 (en) * 2005-03-10 2006-10-05 Bojan Vrcelj Fine timing acquisition
US7756005B2 (en) 2005-03-11 2010-07-13 Qualcomm Incorporated Coarse timing/frame acquisition of OFDM system using time division multiplexed pilot symbol
US8605836B2 (en) 2005-03-11 2013-12-10 Qualcomm Incorporated Automatic gain control for a wireless receiver
US7627059B2 (en) * 2005-04-05 2009-12-01 Samsung Electronics Co., Ltd. Method of robust timing detection and carrier frequency offset estimation for OFDM systems
US7616699B2 (en) 2005-04-12 2009-11-10 Samsung Electronics Co., Ltd. Method of soft bit metric calculation with direct matrix inversion MIMO detection
TWI295884B (en) * 2005-10-26 2008-04-11 Sunplus Technology Co Ltd Method for symbol timing synchronization and apparatus thereof
KR101259100B1 (ko) * 2005-11-04 2013-04-26 엘지전자 주식회사 Ofdm 또는 ofdma 무선 이동통신 시스템에서의초기 동기를 위한 신호 전송 방법, 초기 동기 획득 방법 및이동통신용 단말
US7751506B2 (en) 2005-12-01 2010-07-06 Samsung Electronics Co., Ltd. Method for the soft bit metric calculation with linear MIMO detection for LDPC codes
US7660339B2 (en) * 2005-12-09 2010-02-09 Electronics And Telecommunications Research Institute Apparatus and method for estimating and correcting frequency offset in MB-OFDM UWB system using time frequency hopping
US7876839B2 (en) * 2005-12-30 2011-01-25 Intel Corporation Receiver and method for channel estimation for multicarrier communication systems
CN101371569B (zh) * 2006-01-17 2011-07-27 皇家飞利浦电子股份有限公司 使用周期平稳工具箱检测嵌入到噪声中的电视信号的存在
KR101414758B1 (ko) 2007-07-03 2014-10-01 삼성전자주식회사 데이터 송수신 장치
TWI378692B (en) * 2007-07-06 2012-12-01 Princeton Technology Corp Device for determining pn code automatically and related method
KR20090009637A (ko) * 2007-07-20 2009-01-23 삼성전자주식회사 엠비-오에프디엠 시스템 및 프레임 바운더리 검출 방법
TWI361588B (en) * 2007-12-11 2012-04-01 Ind Tech Res Inst Method and device for detecting a synchronization signal in a communication system
WO2009107076A2 (en) * 2008-02-25 2009-09-03 Nxp B.V. Carrier frequency offset synchronizer for ofdm receiver and method
WO2010061914A1 (ja) * 2008-11-28 2010-06-03 日本電気株式会社 ピーク抑圧装置およびピーク抑圧方法
US20100304679A1 (en) * 2009-05-28 2010-12-02 Hanks Zeng Method and System For Echo Estimation and Cancellation
JP5257249B2 (ja) 2009-06-04 2013-08-07 ソニー株式会社 受信装置、受信方法、およびプログラム、並びに受信システム
US9124480B2 (en) 2011-10-19 2015-09-01 Nokia Technologies Oy Method and apparatus for spectrum sensing
US9222785B2 (en) * 2012-11-09 2015-12-29 Intel Corporation Systems and methods of reducing timing measurement error due to clock offset
CN103701498B (zh) * 2013-12-30 2015-09-30 上海贝岭股份有限公司 电力线载波通信的信号处理方法与装置
US9854552B2 (en) * 2015-06-16 2017-12-26 National Instruments Corporation Method and apparatus for improved Schmidl-Cox-based signal detection
US10129014B2 (en) * 2017-01-25 2018-11-13 Samsung Electronics Co., Ltd. System and method of performing initial timing synchronization of receivers of modulated signals
CN111585742B (zh) * 2020-04-29 2022-06-21 宁波大学科学技术学院 一种多路信号峰值同步检测系统
US12088392B2 (en) 2022-04-06 2024-09-10 Qorvo Us, Inc. Low-power auto-correlation antenna selection for multi-antenna system
CN118449828B (zh) * 2023-11-02 2025-01-14 荣耀终端有限公司 帧同步的方法及电子设备

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69724625T2 (de) * 1996-09-02 2004-06-24 Stmicroelectronics N.V. Verbesserungen bei, oder in bezug auf mehrträgerübertragungssysteme
US6320917B1 (en) * 1997-05-02 2001-11-20 Lsi Logic Corporation Demodulating digital video broadcast signals
US5991289A (en) * 1997-08-05 1999-11-23 Industrial Technology Research Institute Synchronization method and apparatus for guard interval-based OFDM signals
EP1049302B1 (de) 1999-04-23 2006-06-28 Sony Deutschland GmbH Synchronisierungspräambel in einem OFDM-System
KR100335443B1 (ko) 1999-06-15 2002-05-04 윤종용 직교주파수분할다중변조 신호의 심볼 타이밍 및 주파수 동기 장치 및 방법
AU740804B2 (en) 1999-07-19 2001-11-15 Nippon Telegraph & Telephone Corporation OFDM packet communication receiver system

Also Published As

Publication number Publication date
EP1530858A2 (de) 2005-05-18
US7606333B2 (en) 2009-10-20
EP1530858B1 (de) 2010-12-15
US20060146962A1 (en) 2006-07-06
WO2004008706A3 (en) 2004-05-06
DE60335379D1 (de) 2011-01-27
WO2004008706A2 (en) 2004-01-22

Similar Documents

Publication Publication Date Title
DE60335379D1 (de) Verfahren und gerät zur rahmendetektion und synchronisierung
KR100234329B1 (ko) Ofdm 시스템 수신기의 fft 윈도우 위치 복원장치 및 그 방법_
KR100230271B1 (ko) Ofdm 시스템 수신기의 미세 fft 윈도우 위치 복원장치
ATE550843T1 (de) System und verfahren zur adaptiven datenwiedergewinnung
AU4482500A (en) Method and apparatus for processing a punctured pilot channel
DE60135193D1 (de) Symboltaktsynchronisierung in Mehrträgerempfängern
JP2004282759A (ja) Ofdmシステムでの初期周波数の同期方法および装置
EP1089510A3 (de) Datenübertragungsverfahren und Einrichtung unter Verwendung eines OFDM Systems
BRPI0608285A2 (pt) sincronização de quadro em um sistema ofdm
WO2001052188A3 (en) Method and apparatus for edge detection
TW201826855A (zh) 用於參數集的盲測的系統及方法、製造方法及測試方法
BR9815806A (pt) Método e aparelho para sincronização grosseira de frequência
CN114421998A (zh) 基于hplc双模无线系统的频偏估计方法、装置和电子设备
DE60217859D1 (de) Verfahren und Vorrichtung zur Detektierung von Tonsignalen
ATE476816T1 (de) Trägersynchronisation in ofdm
KR101452563B1 (ko) 프레임 동기 획득 장치 및 방법
KR870010533A (ko) 디지탈신호기의 전송장치
KR910007292A (ko) 정보전송장치
JP2818155B2 (ja) Dft回路とofdm同期復調装置
EP1146646A3 (de) Vorrichtung zum Detektieren des phasensynchronisierten Zustandes und Bildverarbeitungsgerät
TW200742381A (en) Method and system for synchronizing a receiver in an OFDM system
MY135315A (en) Pilot aided clock synchronization for ofdm signals
AU2003277704A1 (en) Sampling clock error detecting apparatus and method, and orthogonal frequency division multiplexing (ofdm) receiver including the same
TWI268674B (en) OFDM system having cyclic prefix length detection
KR950016217A (ko) 클럭 신호 생성 장치

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties