DK0880837T3 - Justering af garderingsmellemrumsvarigheden i et OFDM-system - Google Patents

Justering af garderingsmellemrumsvarigheden i et OFDM-system

Info

Publication number: DK0880837T3
Authority: DK; Denmark
Prior art keywords: adjusting; ofdm system; gap duration; retaining gap; retaining
Prior art date: 1996-02-14

Application number

DK97904692T

Other languages

English (en)

Inventor

Roger Larsson

Original Assignee

Telia Ab

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.)

1996-02-14

Filing date

1997-01-23

Publication date

2005-01-03

1997-01-23 Application filed by Telia Ab filed Critical Telia Ab

2005-01-03 Application granted granted Critical

2005-01-03 Publication of DK0880837T3 publication Critical patent/DK0880837T3/da

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
- H04L27/2605—Symbol extensions, e.g. Zero Tail, Unique Word [UW]

Landscapes

Engineering & Computer Science (AREA)
Computer Networks & Wireless Communication (AREA)
Signal Processing (AREA)
Mobile Radio Communication Systems (AREA)
Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
Circuits Of Receivers In General (AREA)
Transmitters (AREA)

DK97904692T 1996-02-14 1997-01-23 Justering af garderingsmellemrumsvarigheden i et OFDM-system DK0880837T3 (da)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
SE9600537A SE504897C2 (sv)	1996-02-14	1996-02-14	Förfarande och anordning i ett OFDM system med variabel varaktighet av symbolskur
EP97904692A EP0880837B1 (en)	1996-02-14	1997-01-23	Adjustment of the guard space duration in an OFDM system

Publications (1)

Publication Number	Publication Date
DK0880837T3 true DK0880837T3 (da)	2005-01-03

Family

ID=20401385

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DK97904692T DK0880837T3 (da)	1996-02-14	1997-01-23	Justering af garderingsmellemrumsvarigheden i et OFDM-system

Country Status (6)

Country	Link
EP (1)	EP0880837B1 (da)
DE (1)	DE69730414T2 (da)
DK (1)	DK0880837T3 (da)
NO (1)	NO322263B1 (da)
SE (1)	SE504897C2 (da)
WO (1)	WO1997030531A1 (da)

Families Citing this family (33)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP2154853B1 (en)	1998-01-06	2011-11-16	Mosaid Technologies Incorporated	Multicarrier modulation system, with variable symbol rate
US6519291B1 (en) *	1998-02-03	2003-02-11	Lucent Technologies Inc.	Reduction of interference in discrete multi-tone (DMT) based communications systems
DE19858106B4 (de) *	1998-12-16	2014-09-25	Telefonaktiebolaget Lm Ericsson (Publ)	Empfänger und Verfahren zum Verhindern einer Zwischensymbolstörung in einem Hochgeschwindigkeitsübertragungssystem
JP2000244441A (ja)	1998-12-22	2000-09-08	Matsushita Electric Ind Co Ltd	Ｏｆｄｍ送受信装置
FR2794915A1 (fr) *	1999-06-14	2000-12-15	Canon Kk	Procede et dispositif d'emission, procede et dispositif de reception, et systemes les mettant en oeuvre
EP1065855A1 (en) *	1999-06-29	2001-01-03	Sony International (Europe) GmbH	Adaptation of cyclic extensions in an OFDM communication system
GB2364205B (en) *	2000-06-29	2002-09-18	Piping Hot Networks Ltd	Broadband communications
JP3628977B2 (ja) *	2001-05-16	2005-03-16	松下電器産業株式会社	無線基地局装置及び通信端末装置
US7548875B2 (en)	2001-06-27	2009-06-16	John Mikkelsen	Media delivery platform
US7298785B2 (en)	2001-07-04	2007-11-20	Kabushiki Kaisha Toyota Chuo Kenkyusho	Multicarrier demodulation method and apparatus, and multicarrier modulation method and apparatus
JP3649326B2 (ja) *	2001-11-13	2005-05-18	日本電気株式会社	Ｏｆｄｍ方式のガードインターバル長制御方法及びｏｆｄｍ送受信装置
EP1868339A1 (en) *	2001-11-28	2007-12-19	Fujitsu Ltd.	Orthogonal frequency division multiplex transmission method
US8325590B2 (en) *	2002-02-27	2012-12-04	Apple Inc.	OFDM communications system
SE527445C2 (sv) *	2003-03-25	2006-03-07	Telia Ab	Lägesanpassat skyddsintervall för OFDM-kommunikation
US7602696B2 (en)	2003-06-27	2009-10-13	Intel Corporation	Adaptive guard intervals in OFDM systems
DE10348818B4 (de) *	2003-10-21	2005-11-10	Universität Hannover	Verfahren zur Regelung eines Schutzintervalls von Datenströmen in digitalen Funkübertragungseinrichtungen und Funkempfangsgerät hierzu
JP4291674B2 (ja) *	2003-11-11	2009-07-08	株式会社エヌ・ティ・ティ・ドコモ	Ｏｆｄｍ送信機及びｏｆｄｍ受信機
JP4583054B2 (ja) *	2004-03-05	2010-11-17	株式会社エヌ・ティ・ティ・ドコモ	移動局および基地局
JP4417765B2 (ja) *	2004-04-14	2010-02-17	株式会社エヌ・ティ・ティ・ドコモ	無線伝送システム、無線中継システム、及び通信装置
US8089855B2 (en)	2004-06-04	2012-01-03	Qualcomm Incorporated	Transmission of overhead information for broadcast and multicast services in a wireless communication system
US8149685B2 (en)	2004-09-03	2012-04-03	University Of South Florida	Covert OFDM transmission using cyclic prefix
EP1827039B1 (en) *	2004-12-14	2016-08-17	Fujitsu Limited	Wireless communication device, and communication method
US7742444B2 (en)	2005-03-15	2010-06-22	Qualcomm Incorporated	Multiple other sector information combining for power control in a wireless communication system
US8750908B2 (en)	2005-06-16	2014-06-10	Qualcomm Incorporated	Quick paging channel with reduced probability of missed page
US9055552B2 (en)	2005-06-16	2015-06-09	Qualcomm Incorporated	Quick paging channel with reduced probability of missed page
KR101003087B1 (ko) *	2005-06-17	2010-12-21	삼성전자주식회사	이동통신 시스템에서 방송 데이터의 송수신 장치 및 방법
EP1734714B1 (en) *	2005-06-17	2012-07-18	Samsung Electronics Co., Ltd.	Apparatus and method for transmitting/receiving broadcast data in a mobile communication system
EP1941642A1 (en)	2005-10-27	2008-07-09	QUALCOMM Incorporated	A method and apparatus for setting reverse link cqi reporting modes in wireless communication system
US20090207790A1 (en)	2005-10-27	2009-08-20	Qualcomm Incorporated	Method and apparatus for settingtuneawaystatus in an open state in wireless communication system
US7944808B2 (en)	2006-03-24	2011-05-17	Lg Electronics Inc.	OFDM symbol design for different channel conditions and for backward compatibility with 1xEV-DO and NxEV-DO
EP2034644A4 (en) *	2006-06-26	2010-11-10	Kyocera Corp	OFDM COMMUNICATION APPARATUS AND METHOD FOR DECIDING THE PROTECTION INTERVAL LENGTH
WO2008115105A1 (en) *	2007-03-16	2008-09-25	Telefonaktiebolaget Lm Ericsson (Publ)	A method and a device for reduced interference in a cellular access system.
EP3210354B1 (en)	2014-10-24	2024-04-10	InterDigital Patent Holdings, Inc.	Wlan designs for supporting an outdoor propagation channel

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB9218874D0 (en) *	1992-09-07	1992-10-21	British Broadcasting Corp	Improvements relating to the transmission of frequency division multiplex signals
DE4425713C1 (de) *	1994-07-20	1995-04-20	Inst Rundfunktechnik Gmbh	Verfahren zur Vielträger Modulation und Demodulation von digital codierten Daten

1996
- 1996-02-14 SE SE9600537A patent/SE504897C2/sv not_active IP Right Cessation
1997
- 1997-01-23 WO PCT/SE1997/000109 patent/WO1997030531A1/en not_active Ceased
- 1997-01-23 EP EP97904692A patent/EP0880837B1/en not_active Expired - Lifetime
- 1997-01-23 DE DE69730414T patent/DE69730414T2/de not_active Expired - Lifetime
- 1997-01-23 DK DK97904692T patent/DK0880837T3/da active
1998
- 1998-08-05 NO NO19983589A patent/NO322263B1/no not_active IP Right Cessation

Also Published As

Publication number	Publication date
DE69730414T2 (de)	2005-09-08
SE9600537L (sv)	1997-05-26
NO983589D0 (no)	1998-08-05
SE9600537D0 (sv)	1996-02-14
NO322263B1 (no)	2006-09-04
NO983589L (no)	1998-10-14
EP0880837B1 (en)	2004-08-25
WO1997030531A1 (en)	1997-08-21
SE504897C2 (sv)	1997-05-26
DE69730414D1 (de)	2004-09-30
EP0880837A1 (en)	1998-12-02

Publication	Publication Date	Title
DK0880837T3 (da)	2005-01-03	Justering af garderingsmellemrumsvarigheden i et OFDM-system
FI964524L (fi)	1998-05-12	Laskutuksen toteuttaminen tietoliikennejärjestelmässä
DE69726292D1 (de)	2003-12-24	Erdnahen-orbit-startsystem
DE69727611D1 (de)	2004-03-25	Organosiloxanzusammensetzungen
FI964298A0 (fi)	1996-10-25	Faestningsanordning foer baerbar apparat
IS4900A (is)	1998-11-20	Samfasa jafnaðarbúnaður
DE69712250D1 (de)	2002-06-06	Fernseh-Postsystem
ATA199196A (de)	2004-04-15	Kraftstoff-verteilerrohr
FI981797A7 (fi)	2000-02-22	Laskutus telekommunikaatiojärjetelmässä
NO994147D0 (no)	1999-08-26	Strömskinne
DE69729416D1 (de)	2004-07-15	Narkosesysteme
DE69728626D1 (de)	2004-05-19	Geräteverwaltungssystem
DK0819607T3 (da)	2000-05-15	Baneopvarmningsindretning
NO974372D0 (no)	1997-09-22	Brönnstyringssystemer med nettverk nede i brönnen
FR2716305B3 (fr)	1996-01-19	Système de distribution de courant.
DE69728993D1 (de)	2004-06-09	Hochspannungssystem
KR970060342U (ko)	1997-12-10	자석이 내장된 브레이지어
KR980004490U (ko)	1998-03-30	화살
NO972570D0 (no)	1997-06-05	Skinnesystem
KR980005297U (ko)	1998-03-30	정전기 제거장치
ES1033006Y (es)	1996-12-01	Reposacabezas perfeccionado.
ES1034400Y (es)	1997-06-01	Expositor perfeccionado.
ES1034308Y (es)	1997-05-01	Expositor perfeccionado.
ES1033390Y (es)	1997-07-16	Banderilla perfeccionada.
ES1034363Y (es)	1997-06-16	Soporte publicitario perfeccionado.