SE9801748L - Förbättringar i eller som hänför sig till telekommunikationsöverföringssystem - Google Patents
Förbättringar i eller som hänför sig till telekommunikationsöverföringssystemInfo
- Publication number
- SE9801748L SE9801748L SE9801748A SE9801748A SE9801748L SE 9801748 L SE9801748 L SE 9801748L SE 9801748 A SE9801748 A SE 9801748A SE 9801748 A SE9801748 A SE 9801748A SE 9801748 L SE9801748 L SE 9801748L
- Authority
- SE
- Sweden
- Prior art keywords
- equalizer
- sampling clock
- transmitter
- receiver
- sample clock
- Prior art date
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)
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9801748A SE9801748L (sv) | 1998-05-18 | 1998-05-18 | Förbättringar i eller som hänför sig till telekommunikationsöverföringssystem |
EP99928289A EP1084546B1 (en) | 1998-05-18 | 1999-05-11 | Improvements in, or relating to, telecommunications transmission systems |
DE69905040T DE69905040T2 (de) | 1998-05-18 | 1999-05-11 | Verbesserungen bei telekommunikationsübertragungssystemen, oder in bezug darauf |
US09/700,617 US7079610B1 (en) | 1998-05-18 | 1999-05-11 | Telecommunications transmission systems |
PCT/SE1999/000790 WO1999060743A1 (en) | 1998-05-18 | 1999-05-11 | Improvements in, or relating to, telecommunications transmission systems |
US11/436,014 US7526021B2 (en) | 1998-05-18 | 2006-05-17 | Telecommunications transmission systems |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9801748A SE9801748L (sv) | 1998-05-18 | 1998-05-18 | Förbättringar i eller som hänför sig till telekommunikationsöverföringssystem |
Publications (2)
Publication Number | Publication Date |
---|---|
SE9801748D0 SE9801748D0 (sv) | 1998-05-18 |
SE9801748L true SE9801748L (sv) | 1999-11-19 |
Family
ID=20411360
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE9801748A SE9801748L (sv) | 1998-05-18 | 1998-05-18 | Förbättringar i eller som hänför sig till telekommunikationsöverföringssystem |
Country Status (5)
Country | Link |
---|---|
US (2) | US7079610B1 (sv) |
EP (1) | EP1084546B1 (sv) |
DE (1) | DE69905040T2 (sv) |
SE (1) | SE9801748L (sv) |
WO (1) | WO1999060743A1 (sv) |
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 (sv) * | 2000-12-05 | 2003-11-14 | Tellabs Oy | Förfarande och anordning för kvalitetsförbättring av en QAM- eller CAP-modulerad modemförbindelses mottagarsynkronisering |
US7292629B2 (en) | 2002-07-12 | 2007-11-06 | Rambus Inc. | Selectable-tap equalizer |
US7994933B2 (en) * | 2004-03-30 | 2011-08-09 | Itron, Inc. | Frequency shift compensation, such as for use in a wireless utility 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 |
SE500986C2 (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 |
PT745302E (pt) * | 1994-12-09 | 2004-08-31 | Brent Townshend | Sistema de comunicacoes de alta velocidade para ligacoes analogicas entre assinantes |
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 |
JP3429747B2 (ja) * | 1998-04-14 | 2003-07-22 | フラウンホッファー−ゲゼルシャフト ツァー フォルデルング ダー アンゲヴァンドテン フォルシュング イー.ヴイ. | 多重搬送波システムにおける周波数粗同期 |
AU749394B2 (en) * | 1998-04-14 | 2002-06-27 | Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. | Method and apparatus for fine frequency synchronization in multi-carrier demodulation systems |
EP1072135B1 (en) * | 1998-04-14 | 2001-12-12 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Frame structure and frame synchronisation for multicarrier systems |
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/sv not_active Application Discontinuation
-
1999
- 1999-05-11 EP EP99928289A patent/EP1084546B1/en not_active Expired - Lifetime
- 1999-05-11 WO PCT/SE1999/000790 patent/WO1999060743A1/en active IP Right Grant
- 1999-05-11 US US09/700,617 patent/US7079610B1/en not_active Expired - Lifetime
- 1999-05-11 DE DE69905040T patent/DE69905040T2/de not_active Expired - Lifetime
-
2006
- 2006-05-17 US US11/436,014 patent/US7526021B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP1084546B1 (en) | 2003-01-22 |
WO1999060743A1 (en) | 1999-11-25 |
EP1084546A1 (en) | 2001-03-21 |
US7526021B2 (en) | 2009-04-28 |
DE69905040D1 (de) | 2003-02-27 |
US20060209976A1 (en) | 2006-09-21 |
SE9801748D0 (sv) | 1998-05-18 |
DE69905040T2 (de) | 2004-01-22 |
US7079610B1 (en) | 2006-07-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NAV | Patent application has lapsed |
Ref document number: 9801748-6 |