DE69719336D1 - Verbesserungen bei, oder in bezug auf, mehrträgerübertragungssysteme - Google Patents
Verbesserungen bei, oder in bezug auf, mehrträgerübertragungssystemeInfo
- Publication number
- DE69719336D1 DE69719336D1 DE69719336T DE69719336T DE69719336D1 DE 69719336 D1 DE69719336 D1 DE 69719336D1 DE 69719336 T DE69719336 T DE 69719336T DE 69719336 T DE69719336 T DE 69719336T DE 69719336 D1 DE69719336 D1 DE 69719336D1
- Authority
- DE
- Germany
- Prior art keywords
- parameter
- regard
- transmission systems
- vehicle transmission
- transceivers
- 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
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0044—Allocation of payload; Allocation of data channels, e.g. PDSCH or PUSCH
- H04L5/0046—Determination of the number of bits transmitted on different sub-channels
-
- 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
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0058—Allocation criteria
- H04L5/006—Quality of the received signal, e.g. BER, SNR, water filling
-
- 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
- H04L5/0091—Signalling for the administration of the divided path, e.g. signalling of configuration information
- H04L5/0094—Indication of how sub-channels of the path are allocated
-
- 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
- H04L1/0064—Concatenated codes
- H04L1/0065—Serial concatenated codes
-
- 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
-
- 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
- H04L2025/03445—Time domain
- H04L2025/03471—Tapped delay lines
- H04L2025/03484—Tapped delay lines time-recursive
- H04L2025/0349—Tapped delay lines time-recursive as a feedback filter
-
- 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
- H04L2025/03681—Control of adaptation
- H04L2025/037—Detection of convergence state
-
- 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
- H04L2025/03777—Arrangements for removing intersymbol interference characterised by the signalling
- H04L2025/03802—Signalling on the reverse channel
-
- 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
-
- 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
- H04L5/0001—Arrangements for dividing the transmission path
- H04L5/0003—Two-dimensional division
- H04L5/0005—Time-frequency
- H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A) or DMT
-
- 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
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Quality & Reliability (AREA)
- Power Engineering (AREA)
- Mobile Radio Communication Systems (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Telephonic Communication Services (AREA)
- Seal Device For Vehicle (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9603194A SE506641C2 (sv) | 1996-05-24 | 1996-09-02 | Förbättringar av, eller med avseende på, multibärvågssystem |
PCT/SE1997/001457 WO1998010552A2 (en) | 1996-09-02 | 1997-09-01 | Improvements in, or relating to, multi-carrier transmission systems |
Publications (1)
Publication Number | Publication Date |
---|---|
DE69719336D1 true DE69719336D1 (de) | 2003-04-03 |
Family
ID=20403752
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69719336T Expired - Lifetime DE69719336D1 (de) | 1996-09-02 | 1997-09-01 | Verbesserungen bei, oder in bezug auf, mehrträgerübertragungssysteme |
Country Status (7)
Country | Link |
---|---|
US (1) | US6366554B1 (de) |
EP (1) | EP0922344B1 (de) |
JP (1) | JP2000517511A (de) |
AT (1) | ATE233452T1 (de) |
DE (1) | DE69719336D1 (de) |
NO (1) | NO990774L (de) |
WO (1) | WO1998010552A2 (de) |
Families Citing this family (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000269919A (ja) * | 1999-03-16 | 2000-09-29 | Matsushita Electric Ind Co Ltd | Ofdm通信装置 |
US6563841B1 (en) * | 1999-08-30 | 2003-05-13 | Nec Usa, Inc. | Per-bin adaptive equalization in windowed DMT-type modem receiver |
FI112427B (fi) * | 1999-11-05 | 2003-11-28 | Nokia Corp | Menetelmä langattoman päätelaitteen ominaisuuksien määrittämiseksi multimediasanoman välityspalvelussa, multimediasanoman välityspalvelu ja multimediapäätelaite |
EP3349386A1 (de) | 2000-01-07 | 2018-07-18 | TQ Delta, LLC | System und verfahren zur charakterisierung von übertragungsleitungen in einem dsl mehrträgersystem |
EP1120943B1 (de) * | 2000-01-28 | 2015-05-06 | Alcatel Lucent | Übertragung von Bit- und Verstärkungszuweisungstabellen in Mehrträgersystemen |
CA2344014A1 (en) * | 2000-04-12 | 2001-10-12 | Yiyan Wu | Method and system for broadcasting a digital data signal within an analog tv signal using orthogonal frequency division multiplexing |
ATE357802T1 (de) | 2000-04-18 | 2007-04-15 | Aware Inc | Datenzuweisung mit änderbaren signal- rauschabstand |
US6963603B1 (en) * | 2000-06-06 | 2005-11-08 | Ikanos Communication, Inc. | Method and apparatus for pre-compensation of an XDSL modem |
EP1162777A1 (de) | 2000-06-07 | 2001-12-12 | Alcatel | Mehrträger-Kommunikationsystem mit Abtastratenpilotkanal und Zeitduplexrasterfrequenz-pilotkanal |
FI112307B (fi) * | 2000-08-02 | 2003-11-14 | Nokia Corp | Viestintäpalvelu |
US7746832B2 (en) | 2001-01-05 | 2010-06-29 | Qualcomm Incorporated | Method and apparatus for supporting adaptive multi-rate (AMR) data in a CDMA communication system |
US6748011B2 (en) * | 2001-01-09 | 2004-06-08 | Qualcomm, Incorporated | Efficient multicarrier filter |
US6914952B2 (en) * | 2001-01-19 | 2005-07-05 | 3Com Corporation | Superframe alignment to a pre-existing ADSL data exchange |
US6975583B2 (en) * | 2001-05-14 | 2005-12-13 | Intel Corporation | Technique for continuous OFDM modulation |
US20030177280A1 (en) * | 2002-03-12 | 2003-09-18 | Webster Steve R. | Imbedded interrupt handler |
CN1302664C (zh) * | 2001-09-12 | 2007-02-28 | 三星电子株式会社 | Ofdm通信中传送信道信息的方法和装置 |
ES2220886T3 (es) * | 2002-01-07 | 2004-12-16 | Alcatel | Optimizacion de la carga de bits para vdsl. |
US20040120482A1 (en) * | 2002-12-20 | 2004-06-24 | Bentley Ronald Locker | System and method for reducing disruption in a DSL environment caused by a pots transient event |
US7042967B2 (en) * | 2003-03-03 | 2006-05-09 | Interdigital Technology Corporation | Reduced complexity sliding window based equalizer |
TWI260143B (en) * | 2003-03-03 | 2006-08-11 | Interdigital Tech Corp | Reduced complexity sliding window based equalizer method and apparatus |
US8009726B2 (en) * | 2003-08-14 | 2011-08-30 | Broadcom Corporation | Carrier grouping in multi-carrier systems |
US8139680B2 (en) * | 2007-01-12 | 2012-03-20 | General Dynamics C4 Systems, Inc. | Signal acquisition methods and apparatus in wireless communication systems |
US7907679B2 (en) * | 2007-01-12 | 2011-03-15 | General Dynamics C4 Systems, Inc. | Methods and systems for acquiring signals using coherent match filtering |
US7876813B2 (en) * | 2007-01-12 | 2011-01-25 | Lantiq Deutschland Gmbh | Communication system, device and data transmission method |
CN101247169A (zh) * | 2007-02-15 | 2008-08-20 | 华为技术有限公司 | 一种在通信网络中实现时间同步的方法和系统以及设备 |
JP4417997B2 (ja) * | 2007-12-13 | 2010-02-17 | 株式会社東芝 | オーバーレイネットワークシステム、同システムにおけるオーバーレイネットワーク構築・維持方法、及びプログラム |
US8427944B2 (en) * | 2008-05-19 | 2013-04-23 | Entropic Communications, Inc. | Bitloading applied to network multicast messages |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5187711A (en) * | 1988-09-20 | 1993-02-16 | Fujitsu Limited | Error correction method for multicarrier radio transmission system |
FR2658017B1 (fr) * | 1990-02-06 | 1992-06-05 | France Etat | Procede de diffusion de donnees numeriques, notamment pour la radiodiffusion a haut debit vers des mobiles, a entrelacement temps-frequence et aide a l'acquisition de la commande automatique de frequence, et recepteur correspondant. |
US5285474A (en) * | 1992-06-12 | 1994-02-08 | The Board Of Trustees Of The Leland Stanford, Junior University | Method for equalizing a multicarrier signal in a multicarrier communication system |
KR970009687B1 (ko) * | 1993-06-02 | 1997-06-17 | 삼성전자 주식회사 | 디지탈통신을 위한 적응 등화시스템 |
SE9302453L (sv) | 1993-07-20 | 1994-10-17 | Telia Ab | Förfarande och anordning för synkronisering i digitalt transmissionssystem av typen OFDM |
US5627863A (en) * | 1994-07-15 | 1997-05-06 | Amati Communications Corporation | Frame synchronization in multicarrier transmission systems |
US5636246A (en) * | 1994-11-16 | 1997-06-03 | Aware, Inc. | Multicarrier transmission system |
DE4441566A1 (de) * | 1994-11-23 | 1996-05-30 | Bosch Gmbh Robert | Verfahren zur digitalen Frequenzkorrektur bei Mehrträgerübertragungsverfahren |
JP3145003B2 (ja) | 1995-03-23 | 2001-03-12 | 株式会社東芝 | 直交周波数分割多重伝送方式とその送信装置および受信装置 |
US5822372A (en) * | 1996-08-02 | 1998-10-13 | Motorola, Inc. | Multicarrier system using subchannel characteristics to implement different error rates within a data stream |
-
1997
- 1997-09-01 WO PCT/SE1997/001457 patent/WO1998010552A2/en active IP Right Grant
- 1997-09-01 EP EP97939278A patent/EP0922344B1/de not_active Expired - Lifetime
- 1997-09-01 AT AT97939278T patent/ATE233452T1/de not_active IP Right Cessation
- 1997-09-01 US US09/147,759 patent/US6366554B1/en not_active Expired - Lifetime
- 1997-09-01 DE DE69719336T patent/DE69719336D1/de not_active Expired - Lifetime
- 1997-09-01 JP JP10512559A patent/JP2000517511A/ja active Pending
-
1999
- 1999-02-19 NO NO990774A patent/NO990774L/no not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
NO990774D0 (no) | 1999-02-19 |
EP0922344B1 (de) | 2003-02-26 |
JP2000517511A (ja) | 2000-12-26 |
WO1998010552A3 (en) | 1998-05-22 |
ATE233452T1 (de) | 2003-03-15 |
EP0922344A2 (de) | 1999-06-16 |
US6366554B1 (en) | 2002-04-02 |
WO1998010552A2 (en) | 1998-03-12 |
NO990774L (no) | 1999-04-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8332 | No legal effect for de |