IL122020A - Method and apparatus for timing synchronization in electromagnetic receivers - Google Patents

Method and apparatus for timing synchronization in electromagnetic receivers

Info

Publication number: IL122020A
Authority: IL; Israel
Prior art keywords: timing synchronization; electromagnetic receivers; receivers; electromagnetic; synchronization
Prior art date: 1996-10-31

Application number

IL12202097A

Other languages

English (en)

Other versions

IL122020A0 (en

Original Assignee

Discovision Ass

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.)

1996-10-31

Filing date

1997-10-24

Publication date

2000-11-21

1997-10-24 Application filed by Discovision Ass filed Critical Discovision Ass

1998-03-10 Publication of IL122020A0 publication Critical patent/IL122020A0/xx

2000-11-21 Publication of IL122020A publication Critical patent/IL122020A/xx

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
- H04L27/2601—Multicarrier modulation systems
- H04L27/2602—Signal structure
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
- H04L1/0045—Arrangements at the receiver end
- H04L1/0047—Decoding adapted to other signal detection operation
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/0202—Channel estimation
- H04L25/0212—Channel estimation of impulse response
- H04L25/0214—Channel estimation of impulse response of a single coefficient
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/0202—Channel estimation
- H04L25/0224—Channel estimation using sounding signals
- H04L25/0228—Channel estimation using sounding signals with direct estimation from sounding signals
- H04L25/023—Channel estimation using sounding signals with direct estimation from sounding signals with extension to other symbols
- H04L25/0232—Channel estimation using sounding signals with direct estimation from sounding signals with extension to other symbols by interpolation between sounding 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
- H04L27/2647—Arrangements specific to the receiver only
- H04L27/2649—Demodulators
- H04L27/265—Fourier transform demodulators, e.g. fast Fourier transform [FFT] or discrete Fourier transform [DFT] demodulators
- 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
- 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
- H04L27/2666—Acquisition of further OFDM parameters, e.g. bandwidth, subcarrier spacing, or guard interval length
- 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
- H04L27/2676—Blind, i.e. without using 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
- H04L5/02—Channels characterised by the type of signal
- H04L5/023—Multiplexing of multicarrier modulation signals, e.g. multi-user orthogonal frequency division multiple access [OFDMA]
- H04L5/026—Multiplexing of multicarrier modulation signals, e.g. multi-user orthogonal frequency division multiple access [OFDMA] using code division
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
- H04L1/0056—Systems characterized by the type of code used
- H04L1/0071—Use of interleaving

Landscapes

Engineering & Computer Science (AREA)
Signal Processing (AREA)
Computer Networks & Wireless Communication (AREA)
Power Engineering (AREA)
Physics & Mathematics (AREA)
Discrete Mathematics (AREA)
General Physics & Mathematics (AREA)
Mathematical Physics (AREA)
Synchronisation In Digital Transmission Systems (AREA)
Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Television Systems (AREA)

IL12202097A 1996-10-31 1997-10-24 Method and apparatus for timing synchronization in electromagnetic receivers IL122020A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GBGB9622728.5A GB9622728D0 (en)	1996-10-31	1996-10-31	Timing synchronization in a reciever employing orthogonal frequency division mutiplexing

Publications (2)

Publication Number	Publication Date
IL122020A0 IL122020A0 (en)	1998-03-10
IL122020A true IL122020A (en)	2000-11-21

Family

ID=10802265

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IL12202097A IL122020A (en)	1996-10-31	1997-10-24	Method and apparatus for timing synchronization in electromagnetic receivers

Country Status (13)

Country	Link
EP (1)	EP0840485B1 (fr)
JP (1)	JP4142758B2 (fr)
KR (1)	KR19980033375A (fr)
CN (1)	CN1181673A (fr)
AR (2)	AR008906A1 (fr)
AT (1)	ATE196218T1 (fr)
AU (1)	AU737361B2 (fr)
CA (1)	CA2199111A1 (fr)
DE (1)	DE69703016T2 (fr)
GB (2)	GB9622728D0 (fr)
ID (1)	ID19373A (fr)
IL (1)	IL122020A (fr)
SG (1)	SG55399A1 (fr)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
KR100234329B1 (ko) *	1997-09-30	1999-12-15	윤종용	Ofdm 시스템 수신기의 fft 윈도우 위치 복원장치 및 그 방법_
US6167351A (en) *	1998-03-24	2000-12-26	Tektronix, Inc.	Period determination of a periodic signal
DE69840686D1 (de)	1998-08-24	2009-05-07	Mitsubishi Electric Corp	Signalmodulator und Empfangskontrollverfahren für den Signalmodulator
KR100510637B1 (ko) *	1998-11-07	2006-02-28	엘지전자 주식회사	Dvb 시스템의 동기 검출 장치
GB2353680A (en) *	1999-08-27	2001-02-28	Mitsubishi Electric Inf Tech	OFDM frame synchronisation
US6967936B1 (en) *	2000-02-11	2005-11-22	Lucent Technologies Inc.	Uplink timing synchronization and access control for a multi-access wireless communication system
EP1128592A3 (fr) *	2000-02-23	2003-09-17	NTT DoCoMo, Inc.	AMRC multiporteuse et estimation de canal
US6920182B2 (en)	2001-01-09	2005-07-19	Microtune (Texas), L.P.	Delta-sigma modulator system and method
KR100425297B1 (ko) *	2001-06-11	2004-03-30	삼성전자주식회사	효율적인 심볼 타이밍 옵셋을 추정하는 ｏｆｄｍ 수신시스템 및 그 방법
CN100379212C (zh) *	2002-01-23	2008-04-02	华为技术有限公司	一种查找表电路的实现方法
US7623599B2 (en) *	2005-11-21	2009-11-24	Freescale Semiconductor, Inc.	Blind bandwidth detection for a sample stream
JP2008005389A (ja) *	2006-06-26	2008-01-10	Hitachi Ltd	通信方法および通信装置
US8284825B2 (en) *	2008-06-06	2012-10-09	Maxim Integrated Products, Inc.	Blind channel quality estimator
WO2011051448A2 (fr)	2009-10-30	2011-05-05	Bangor University	Procédé de synchronisation dans des systèmes de transmission par multiplexage fréquentiel optique
CN101902677B (zh) *	2010-06-23	2015-01-28	中兴通讯股份有限公司	音频检测装置及方法
KR101121086B1 (ko) *	2010-11-10	2012-03-16	충남대학교산학협력단	유니크 워드 기반 주파수 영역 등화기 기반 단일반송파 방식을 위한 채널 추정 기법
GB2489922A (en)	2011-04-06	2012-10-17	Univ Bangor	Synchronising optical OFDM signal with pattern of DC offset levels superimposed upon OFDM symbols
CN117826071B (zh) *	2024-03-06	2024-05-28	成都大公博创信息技术有限公司	基于中频触发实现多采集模块宽带校准的测向系统及方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP0608024B1 (fr) *	1993-01-20	2001-04-18	Koninklijke Philips Electronics N.V.	Système de transmission avec récupération de rythme
GB2278257B (en) *	1993-05-05	1996-10-02	British Broadcasting Corp	Receiving equipment for digital transmissions
DE69534067T2 (de) *	1994-05-09	2006-04-13	Victor Company of Japan, Ltd., Yokohama	Einstellung eines Referenzunterträgers bei Mehrträgerübertragung
SE514986C2 (sv) *	1995-03-01	2001-05-28	Telia Ab	Metod och anordning för synkronisering vid OFDM-system
EP0772332A3 (fr) *	1995-11-02	2000-10-11	British Broadcasting Corporation	Synchronisation de signaux MDFO

1996
- 1996-10-31 GB GBGB9622728.5A patent/GB9622728D0/en active Pending
1997
- 1997-03-04 CA CA002199111A patent/CA2199111A1/fr not_active Abandoned
- 1997-09-26 GB GB9720550A patent/GB2318953A/en not_active Withdrawn
- 1997-10-03 AT AT97420183T patent/ATE196218T1/de not_active IP Right Cessation
- 1997-10-03 DE DE69703016T patent/DE69703016T2/de not_active Expired - Lifetime
- 1997-10-03 EP EP97420183A patent/EP0840485B1/fr not_active Expired - Lifetime
- 1997-10-03 AU AU39916/97A patent/AU737361B2/en not_active Ceased
- 1997-10-21 JP JP32511997A patent/JP4142758B2/ja not_active Expired - Lifetime
- 1997-10-22 CN CN97121150A patent/CN1181673A/zh active Pending
- 1997-10-24 IL IL12202097A patent/IL122020A/xx not_active IP Right Cessation
- 1997-10-25 SG SG1997003867A patent/SG55399A1/en unknown
- 1997-10-29 AR ARP970105030A patent/AR008906A1/es unknown
- 1997-10-30 AR ARP970105057A patent/AR008910A1/es unknown
- 1997-10-31 ID IDP973570A patent/ID19373A/id unknown
- 1997-10-31 KR KR1019970057007A patent/KR19980033375A/ko not_active Withdrawn

Also Published As

Publication number	Publication date
JP4142758B2 (ja)	2008-09-03
DE69703016T2 (de)	2001-04-05
AR008910A1 (es)	2000-02-23
AU737361B2 (en)	2001-08-16
GB2318953A (en)	1998-05-06
DE69703016D1 (de)	2000-10-12
AU3991697A (en)	1998-05-07
SG55399A1 (en)	1998-12-21
ATE196218T1 (de)	2000-09-15
AR008906A1 (es)	2000-02-23
EP0840485A3 (fr)	1998-06-10
CA2199111A1 (fr)	1998-04-30
GB9622728D0 (en)	1997-01-08
ID19373A (id)	1998-07-02
EP0840485A2 (fr)	1998-05-06
KR19980033375A (ko)	1998-07-25
CN1181673A (zh)	1998-05-13
EP0840485B1 (fr)	2000-09-06
IL122020A0 (en)	1998-03-10
GB9720550D0 (en)	1997-11-26
JPH10150428A (ja)	1998-06-02

Legal Events

Date	Code	Title
2001-04-30	FF	Patent granted
2001-07-24	KB	Patent renewed
2004-06-20	RH1	Patent not in force

Publication	Publication Date	Title
GB2342808B (en)	2003-04-16	Method and apparatus for fast acquisition and synchronization of transmission frames
SG54586A1 (en)	1998-11-16	Method and apparatus for thread synchronization in object-based systems
ZA983646B (en)	1998-11-24	Method and apparatus for fine frequency synchronization in milti-carrier demodulation systems
GB2315197B (en)	2000-07-12	Method and apparatus for system clock adjustment
IL122020A0 (en)	1998-03-10	Method and apparatus for timing synchronization in electromagnetic receivers
EP0832458A4 (fr)	2002-07-24	Dispositif et procede servant a effectuer l'extension a distance d'emplacements pour pci
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