DE69905040D1 - Verbesserungen bei telekommunikationsübertragungssystemen, oder in bezug darauf - Google Patents
Verbesserungen bei telekommunikationsübertragungssystemen, oder in bezug daraufInfo
- Publication number
- DE69905040D1 DE69905040D1 DE69905040T DE69905040T DE69905040D1 DE 69905040 D1 DE69905040 D1 DE 69905040D1 DE 69905040 T DE69905040 T DE 69905040T DE 69905040 T DE69905040 T DE 69905040T DE 69905040 D1 DE69905040 D1 DE 69905040D1
- Authority
- DE
- Germany
- Prior art keywords
- regard
- transmission systems
- telecommunication transmission
- telecommunication
- systems
- 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
Links
Classifications
-
- 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
- H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
- H04L25/03006—Arrangements for removing intersymbol interference
- H04L25/03159—Arrangements for removing intersymbol interference operating in the frequency domain
-
- 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
-
- 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
- H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
- H04L25/03006—Arrangements for removing intersymbol interference
- H04L2025/0335—Arrangements for removing intersymbol interference characterised by the type of transmission
- H04L2025/03375—Passband transmission
- H04L2025/03414—Multicarrier
-
- 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
- H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
- H04L25/03006—Arrangements for removing intersymbol interference
- H04L2025/03433—Arrangements for removing intersymbol interference characterised by equaliser structure
- H04L2025/03439—Fixed structures
- H04L2025/03522—Frequency domain
-
- 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
- H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
- H04L25/03006—Arrangements for removing intersymbol interference
- H04L2025/03592—Adaptation methods
- H04L2025/03598—Algorithms
- H04L2025/03611—Iterative algorithms
- H04L2025/03617—Time recursive algorithms
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9801748 | 1998-05-18 | ||
SE9801748A SE9801748L (sv) | 1998-05-18 | 1998-05-18 | Förbättringar i eller som hänför sig till telekommunikationsöverföringssystem |
PCT/SE1999/000790 WO1999060743A1 (en) | 1998-05-18 | 1999-05-11 | Improvements in, or relating to, telecommunications transmission systems |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69905040D1 true DE69905040D1 (de) | 2003-02-27 |
DE69905040T2 DE69905040T2 (de) | 2004-01-22 |
Family
ID=20411360
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69905040T Expired - Lifetime DE69905040T2 (de) | 1998-05-18 | 1999-05-11 | Verbesserungen bei telekommunikationsübertragungssystemen, oder in bezug darauf |
Country Status (5)
Country | Link |
---|---|
US (2) | US7079610B1 (de) |
EP (1) | EP1084546B1 (de) |
DE (1) | DE69905040T2 (de) |
SE (1) | SE9801748L (de) |
WO (1) | WO1999060743A1 (de) |
Families Citing this family (10)
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 |
JP2001308820A (ja) * | 2000-04-25 | 2001-11-02 | Mitsubishi Electric Corp | 直交周波数分割多重信号受信装置 |
GB2364205B (en) * | 2000-06-29 | 2002-09-18 | Piping Hot Networks Ltd | Broadband communications |
FI112306B (fi) | 2000-12-05 | 2003-11-14 | Tellabs Oy | Menetelmä ja laitteisto QAM- tai CAP-moduloidun modeemiyhteyden vastaanotinsynkronoinnin laadun parantamiseksi |
US7292629B2 (en) * | 2002-07-12 | 2007-11-06 | Rambus Inc. | Selectable-tap equalizer |
WO2005099093A1 (en) | 2004-03-30 | 2005-10-20 | Itron, Inc. | Frequency shift compensation, such as for use in a wireless meter reading environment |
KR100646197B1 (ko) * | 2005-07-01 | 2006-11-14 | 엘지전자 주식회사 | 라인 이퀄라이저용 시간 지연회로를 포함하는 수신기 회로. |
US8363635B2 (en) * | 2008-08-20 | 2013-01-29 | Wei Chi Liu | Method and system for reducing power consumption of signal synchronization |
US8619908B2 (en) * | 2009-12-02 | 2013-12-31 | Harris Corporation | Wireless ranging system and related methods |
US8723720B2 (en) | 2011-05-03 | 2014-05-13 | Harris Corporation | Wireless location detection and/or tracking device and associated methods |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3879664A (en) * | 1973-05-07 | 1975-04-22 | Signatron | High speed digital communication receiver |
SE9302453L (sv) | 1993-07-20 | 1994-10-17 | Telia Ab | Förfarande och anordning för synkronisering i digitalt transmissionssystem av typen OFDM |
US5444697A (en) * | 1993-08-11 | 1995-08-22 | The University Of British Columbia | Method and apparatus for frame synchronization in mobile OFDM data communication |
EP0745302B1 (de) * | 1994-12-09 | 2004-04-21 | Brent Townshend | Schnelles vermittlungssystem für analoge teilnehmeranschlüsse |
US5802117A (en) * | 1996-02-08 | 1998-09-01 | Philips Electronics North America Corporation | Method and apparatus for joint frequency offset and timing estimation of a multicarrier modulation system |
US5949820A (en) * | 1996-08-01 | 1999-09-07 | Nec Electronics Inc. | Method for optimizing an equalization and receive filter |
SE9703629L (sv) * | 1997-03-03 | 1998-09-04 | Telia Ab | Förbättringar av, eller med avseende på, synkronisering |
SE9703630L (sv) * | 1997-03-03 | 1998-09-04 | Telia Ab | Förbättringar av, eller med avseende på, synkronisering |
US6876675B1 (en) * | 1998-02-06 | 2005-04-05 | Cisco Technology, Inc. | Synchronization in OFDM systems |
US6546063B1 (en) * | 1998-02-10 | 2003-04-08 | Agere Systems Inc. | Asynchronous clock for adaptive equalization |
CA2328174C (en) * | 1998-04-14 | 2003-08-05 | Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. | Frame structure and frame synchronization for multicarrier systems |
DK1072137T3 (da) * | 1998-04-14 | 2002-02-11 | Fraunhofer Ges Forschung | Grovfrekvenssynkronisering i multibæresystemer |
EP1072138B1 (de) * | 1998-04-14 | 2002-09-11 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Verfahren und einrichtung zur feinen frequenzsynchronisierung in mehrträgerdemodulationssystemen |
SE9801748L (sv) * | 1998-05-18 | 1999-11-19 | Telia Ab | Förbättringar i eller som hänför sig till telekommunikationsöverföringssystem |
US6539063B1 (en) * | 1999-02-18 | 2003-03-25 | Ibiquity Digital Corporation | System and method for recovering symbol timing offset and carrier frequency error in an OFDM digital audio broadcast system |
US7023938B1 (en) * | 1999-04-08 | 2006-04-04 | Nec Usa, Inc. | Receiver for discrete multitone modulated signals having window function |
US6928046B1 (en) * | 1999-05-05 | 2005-08-09 | Lucent Technologies Inc. | Frame synchronization of an OFDM signal |
US6456063B1 (en) * | 2000-11-03 | 2002-09-24 | Delphi Technologies, Inc. | Self compensating control circuit for digital magnetic sensors |
-
1998
- 1998-05-18 SE SE9801748A patent/SE9801748L/xx not_active Application Discontinuation
-
1999
- 1999-05-11 DE DE69905040T patent/DE69905040T2/de not_active Expired - Lifetime
- 1999-05-11 EP EP99928289A patent/EP1084546B1/de not_active Expired - Lifetime
- 1999-05-11 US US09/700,617 patent/US7079610B1/en not_active Expired - Lifetime
- 1999-05-11 WO PCT/SE1999/000790 patent/WO1999060743A1/en active IP Right Grant
-
2006
- 2006-05-17 US US11/436,014 patent/US7526021B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP1084546A1 (de) | 2001-03-21 |
US7079610B1 (en) | 2006-07-18 |
US20060209976A1 (en) | 2006-09-21 |
WO1999060743A1 (en) | 1999-11-25 |
US7526021B2 (en) | 2009-04-28 |
DE69905040T2 (de) | 2004-01-22 |
SE9801748L (sv) | 1999-11-19 |
SE9801748D0 (sv) | 1998-05-18 |
EP1084546B1 (de) | 2003-01-22 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EE200000577A (et) | Elektronpääsmete või nendega seotud täiustused | |
DE69902414D1 (de) | Effiziente sichere Mehrfachübertragung mit minimaler Kenntnis | |
ID28990A (id) | Herbisida-herbisida dengan urea aminofenilsulfonil asilasi | |
DE59900556D1 (de) | Getriebesystem | |
DK1538715T3 (da) | Telekommunikationskonnektor med forbedrede egenskaber | |
DE69920137D1 (de) | Verbinder mit verbesserten leistungsfähigkeit | |
DE69914119D1 (de) | Verbesserungen an, oder bezüglich, Rohrkupplungen | |
DE69313667D1 (de) | Ereigniskorrelation in uebertragungsnetzen | |
NO974372L (no) | Brönnstyringssystemer med nettverk nede i brönnen | |
DE69905040D1 (de) | Verbesserungen bei telekommunikationsübertragungssystemen, oder in bezug darauf | |
DE69925028D1 (de) | Weiterreichen in einem kommunikationssystem | |
BR9917018B1 (pt) | estrutura compósita protetora. | |
DE69912148D1 (de) | Verbesserungen in oder hinsichtlich von vdsl übertragungssystemen | |
NO971266D0 (no) | Dataoverföring i telekanalen i DECT-anlegg | |
EE200000243A (et) | Abonendiliinidega edastussüsteemide või nendega seotud täiustused | |
DE60044501D1 (de) | Ächtigungen in kommunikationssystemen | |
DE59812258D1 (de) | Übertragungssystem mit mehreren Netzelementen | |
DE69836536D1 (de) | Übertragungssystem mit Zeitmultiplexvielfachzugriff | |
DE69932461D1 (de) | Telekommunikationssysteme | |
DE59911463D1 (de) | Fahrzeugleitvorrichtung mit Fahrstreckenabtastung | |
PT1102746E (pt) | Fenilamidinas substituidas com accao antitrombotica | |
DE69909922D1 (de) | Netzwerkstummschaltungsfunktion in drahtlosen Telekommunikationssystemen | |
DE69700488D1 (de) | Verbesserungen in oder bezüglich Telekommunikationssystemen | |
GB2348342B (en) | Improvements in or relating to telecommunication systems | |
EE200000516A (et) | Sideedastussüsteemide või nendega seotud täiustused |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |