ATE249118T1 - Verbesserungen bei, oder in bezug auf mehrträgerübertragungssysteme - Google Patents
Verbesserungen bei, oder in bezug auf mehrträgerübertragungssystemeInfo
- Publication number
- ATE249118T1 ATE249118T1 AT97933959T AT97933959T ATE249118T1 AT E249118 T1 ATE249118 T1 AT E249118T1 AT 97933959 T AT97933959 T AT 97933959T AT 97933959 T AT97933959 T AT 97933959T AT E249118 T1 ATE249118 T1 AT E249118T1
- Authority
- AT
- Austria
- Prior art keywords
- channel
- transceivers
- carrier
- bit loading
- control channel
- Prior art date
Links
Classifications
-
- 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
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
- H04L1/0025—Transmission of mode-switching indication
-
- 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
- H04L27/2656—Frame synchronisation, e.g. packet synchronisation, time division duplex [TDD] switching point detection or subframe 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
- H04L27/2657—Carrier 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
- H04L27/2662—Symbol synchronisation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
- H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
- H04L27/345—Modifications of the signal space to allow the transmission of additional information
- H04L27/3461—Modifications of the signal space to allow the transmission of additional information in order to transmit a subchannel
-
- 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), 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
- H04L5/0044—Arrangements for allocating sub-channels of the transmission path allocation of payload
- H04L5/0046—Determination of how many bits are 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
- 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
- H04L1/0059—Convolutional 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
- H04L2025/0335—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
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Quality & Reliability (AREA)
- Power Engineering (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Time-Division Multiplex Systems (AREA)
- Mobile Radio Communication Systems (AREA)
- Radar Systems Or Details Thereof (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
- Communication Control (AREA)
- Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9603187A SE506634C2 (sv) | 1996-05-24 | 1996-09-02 | Förbättringar av, eller med avseende på, multibärvågssystem |
PCT/SE1997/001277 WO1998010545A1 (en) | 1996-09-02 | 1997-07-15 | Improvements in, or relating to, multi-carrier transmission systems |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE249118T1 true ATE249118T1 (de) | 2003-09-15 |
Family
ID=20403745
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT97933959T ATE249118T1 (de) | 1996-09-02 | 1997-07-15 | Verbesserungen bei, oder in bezug auf mehrträgerübertragungssysteme |
Country Status (6)
Country | Link |
---|---|
US (1) | US6865232B1 (de) |
EP (1) | EP0923821B1 (de) |
AT (1) | ATE249118T1 (de) |
DE (1) | DE69724625T2 (de) |
NO (1) | NO990767L (de) |
WO (1) | WO1998010545A1 (de) |
Families Citing this family (65)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6873652B1 (en) | 1998-04-01 | 2005-03-29 | Panasonic Communications Co., Ltd. | Activation of multiple xDSL modems with implicit channel probe |
EP1414180A3 (de) * | 1998-04-01 | 2004-05-06 | Matsushita Graphic Communication Systems, Inc. | Aktivierung von mehreren xDSL-Modems mit implizitem Kanaltest |
EP0969616A1 (de) * | 1998-06-30 | 2000-01-05 | Siemens Aktiengesellschaft | Verfahren zur Optimierung der verfügbaren Übertragungskapazität bei Teilnehmeranschlussleitungsnetzen |
US6563881B1 (en) * | 1998-07-13 | 2003-05-13 | Sony Corporation | Communication method and transmitter with transmission symbols arranged at intervals on a frequency axis |
CN1118169C (zh) * | 1998-11-24 | 2003-08-13 | 印芬龙科技股份有限公司 | 对离散多音调制信号中干扰补偿的方法和实施该方法的电路 |
US6950459B1 (en) | 1999-01-08 | 2005-09-27 | Panasonic Communications Co., Ltd. | Activation of multiple xDSL modems with half duplex and full duplex procedures |
US6516027B1 (en) * | 1999-02-18 | 2003-02-04 | Nec Usa, Inc. | Method and apparatus for discrete multitone communication bit allocation |
ES2262295T3 (es) * | 1999-03-31 | 2006-11-16 | Alcatel | Metodo y disposicion para estimar las caracteristicas de un canal de transmision. |
US6751254B1 (en) | 1999-05-05 | 2004-06-15 | Panasonic Communications Co., Ltd. | Activation of multiple xDSL modems with power control measurement |
US6694470B1 (en) | 1999-05-21 | 2004-02-17 | Panasonic Communications Co., Ltd. | Retransmission procedure and apparatus for handshaking protocol |
US6697420B1 (en) * | 1999-05-25 | 2004-02-24 | Intel Corporation | Symbol-based signaling for an electromagnetically-coupled bus system |
DE19935997A1 (de) * | 1999-07-30 | 2001-03-01 | Siemens Ag | Verfahren zum Optimieren der Datenübertrgung über Leitungen |
PT1245093E (pt) | 2000-01-07 | 2007-01-31 | Aware Inc | Sistemas e métodos de diagnóstico para modems de portadoras múltiplas |
AU2001257081A1 (en) | 2000-04-18 | 2001-10-30 | Aware, Inc. | Data allocation with variable SNR margins |
US7058140B2 (en) | 2000-06-16 | 2006-06-06 | Smart Kevin J | Sliding-window multi-carrier frequency division multiplexing system |
KR100697002B1 (ko) * | 2001-02-17 | 2007-03-20 | 삼성전자주식회사 | 톤 간격 조절을 포함한 초고속 디지털 가입자회선을 위한초기화 방법 및 이를 지원하는 시스템 |
US6965638B2 (en) * | 2001-04-17 | 2005-11-15 | Texas Instruments Incorporated | Increasing performance in modems in presence of noise |
US20090031419A1 (en) | 2001-05-24 | 2009-01-29 | Indra Laksono | Multimedia system and server and methods for use therewith |
US8291457B2 (en) | 2001-05-24 | 2012-10-16 | Vixs Systems, Inc. | Channel selection in a multimedia system |
US7295623B2 (en) * | 2001-07-11 | 2007-11-13 | Vativ Technologies, Inc. | High-speed communications transceiver |
US7773699B2 (en) * | 2001-10-17 | 2010-08-10 | Nortel Networks Limited | Method and apparatus for channel quality measurements |
DE10201415B4 (de) | 2002-01-15 | 2004-12-09 | Infineon Technologies Ag | Verfahren zum Aufbau einer Datenübertragungsverbindung zwischen xDSL-Transceivern und xDSL-Transceiver |
WO2004008706A2 (en) * | 2002-07-16 | 2004-01-22 | Ihp Gmbh-Innovations For High Performance Microelectronics / Institut Für Innovative Mikroelektronik | Method and device for frame detection and synchronization |
US7472199B1 (en) * | 2003-03-28 | 2008-12-30 | Qualcomm Incorporated | System and method for receiving data at a first rate and adapting the data for being transported at a second rate |
FR2853478A1 (fr) * | 2003-04-01 | 2004-10-08 | St Microelectronics Sa | PROCEDE DE CONFIGURATION D'UN MODEM xDSL ET MODEM xDSL DISPOSANT D'UN TEL PROCEDE |
JP3847733B2 (ja) | 2003-06-12 | 2006-11-22 | 松下電器産業株式会社 | マルチキャリア通信方法及びその通信装置 |
JP2005057449A (ja) * | 2003-08-01 | 2005-03-03 | Matsushita Electric Ind Co Ltd | Adslモデム装置及びその通信方法 |
JP4356392B2 (ja) * | 2003-08-07 | 2009-11-04 | パナソニック株式会社 | 通信装置 |
JP2005064743A (ja) * | 2003-08-08 | 2005-03-10 | Matsushita Electric Ind Co Ltd | Adslモデム装置及びその通信方法 |
JP2005064874A (ja) * | 2003-08-12 | 2005-03-10 | Matsushita Electric Ind Co Ltd | Dslモデム装置及び通信制御方法 |
WO2005022636A2 (en) | 2003-08-29 | 2005-03-10 | Matsushita Electric Industrial Co., Ltd. | Electronic component |
US7656814B2 (en) | 2004-01-26 | 2010-02-02 | At&T Intellectual Property I, L.P. | Method of selecting a profile of a digital subscriber line |
WO2005086405A2 (en) | 2004-03-03 | 2005-09-15 | Aware, Inc. | Impulse noise management |
US7676839B2 (en) | 2004-03-15 | 2010-03-09 | Xceedid | Systems and methods for access control |
US7720167B2 (en) * | 2004-03-29 | 2010-05-18 | St.Microelectronics Ltd. | Power save mode transition using loading translation function |
US7184750B2 (en) * | 2004-03-30 | 2007-02-27 | Nokia Corporation | Smart terminal remote lock and format |
US20050232308A1 (en) * | 2004-04-19 | 2005-10-20 | Texas Instruments Incorporated | Frame alignment and cyclic extension partitioning |
US7539254B2 (en) * | 2004-05-11 | 2009-05-26 | University Of Iowa Research Foundation | Method and system for optimal bitloading in communication and data compression systems |
KR101192119B1 (ko) * | 2004-09-24 | 2012-10-17 | 쓰리엠 이노베이티브 프로퍼티즈 컴파니 | 폐루프 제어 시스템에서의 주파수 제어 |
JP4889646B2 (ja) | 2004-10-12 | 2012-03-07 | アウェア, インコーポレイテッド | 電気通信環境における資源の共有 |
US8159942B2 (en) * | 2005-03-31 | 2012-04-17 | At&T Intellectual Property I, L.P. | Method of selecting a profile of a broadband communication line |
US20060233150A1 (en) * | 2005-04-15 | 2006-10-19 | George Cherian | Method and apparatus for providing control channel monitoring in a multi-carrier system |
JP4650104B2 (ja) * | 2005-05-26 | 2011-03-16 | パナソニック株式会社 | 通信装置及び通信方法 |
US7907509B2 (en) | 2005-05-26 | 2011-03-15 | Panasonic Corporation | Communication apparatus, integrated circuit and communication method |
US7639995B2 (en) * | 2005-06-24 | 2009-12-29 | Agere Systems Inc. | Reconfigurable communications circuit operable with data channel and control channel |
EP3174235B1 (de) | 2005-08-23 | 2020-10-21 | Apple Inc. | Pilot-entwurf für ofdm system mit vier sendeantennen |
US7974713B2 (en) | 2005-10-12 | 2011-07-05 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Temporal and spatial shaping of multi-channel audio signals |
EP2178254B1 (de) | 2006-04-12 | 2017-02-08 | TQ Delta, LLC | Paketwiederübertragung und gemeinsame Speichernutzung |
US20070286266A1 (en) * | 2006-06-12 | 2007-12-13 | Paist Kenneth W | Sideways-fed transmitter |
US7881403B2 (en) * | 2006-10-10 | 2011-02-01 | Futurewei Technologies, Inc. | System for realizing emergency rate adjustment |
US7907679B2 (en) * | 2007-01-12 | 2011-03-15 | General Dynamics C4 Systems, Inc. | Methods and systems for acquiring signals using coherent match filtering |
US8139680B2 (en) * | 2007-01-12 | 2012-03-20 | General Dynamics C4 Systems, Inc. | Signal acquisition methods and apparatus in wireless communication systems |
US8565337B2 (en) * | 2007-02-07 | 2013-10-22 | Valens Semiconductor Ltd. | Devices for transmitting digital video and data over the same wires |
US7769052B2 (en) * | 2007-04-13 | 2010-08-03 | Lantiq Deutschland Gmbh | Transient robust channel for communication systems |
KR101462955B1 (ko) * | 2008-01-15 | 2014-11-20 | 삼성전자주식회사 | Uwb 통신 시스템의 데이터 송수신 방법 및 장치 |
AU2008362634A1 (en) | 2008-10-09 | 2010-04-15 | Corning Cable Systems (Shanghai) Co., Ltd | Fiber optic terminal having adapter panel supporting both input and output fibers from an optical splitter |
US8218969B2 (en) | 2009-03-18 | 2012-07-10 | Cisco Technology, Inc. | OFDM transponder interface with variable bit transfer rate in optical communications systems |
EP2630534A2 (de) | 2010-10-19 | 2013-08-28 | Corning Cable Systems LLC | Übergangsbox für ein glasfaserverteilungsnetzwerk für mehrere wohneinheiten |
US9219546B2 (en) | 2011-12-12 | 2015-12-22 | Corning Optical Communications LLC | Extremely high frequency (EHF) distributed antenna systems, and related components and methods |
US10110307B2 (en) | 2012-03-02 | 2018-10-23 | Corning Optical Communications LLC | Optical network units (ONUs) for high bandwidth connectivity, and related components and methods |
US20130294486A1 (en) * | 2012-05-07 | 2013-11-07 | Marcos C. Tzannes | Systems and methods for a multicarrier transceiver with radio frequency interference reduction |
US9363128B2 (en) * | 2013-03-15 | 2016-06-07 | Echelon Corporation | Method and apparatus for phase-based multi-carrier modulation (MCM) packet detection |
US9413575B2 (en) | 2013-03-15 | 2016-08-09 | Echelon Corporation | Method and apparatus for multi-carrier modulation (MCM) packet detection based on phase differences |
JP6493045B2 (ja) * | 2015-07-10 | 2019-04-03 | 株式会社デンソー | 車両用無線通信装置および無線通信システム |
US10742508B2 (en) * | 2018-02-27 | 2020-08-11 | Intel Corporation | Customer bandwidth re-distribution in point-to-multipoint access |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5479447A (en) * | 1993-05-03 | 1995-12-26 | The Board Of Trustees Of The Leland Stanford, Junior University | Method and apparatus for adaptive, variable bandwidth, high-speed data transmission of a multicarrier signal over digital subscriber lines |
SE9302453L (sv) | 1993-07-20 | 1994-10-17 | Telia Ab | Förfarande och anordning för synkronisering i digitalt transmissionssystem av typen OFDM |
US5400322A (en) * | 1993-08-20 | 1995-03-21 | Amati Communications Corp. | Updating of bit allocations in a multicarrier modulation transmission system |
DE4330665A1 (de) * | 1993-09-10 | 1995-03-16 | Thomson Brandt Gmbh | Verfahren zur ]bertragung von digitalisierten Fernseh- und/oder Tonrundfunksignalen |
SE514809C2 (sv) * | 1994-07-13 | 2001-04-30 | Hd Divine Ab | Metod och anordning för synkronisering av sändare och mottagare i digitalt system |
EP0785645A1 (de) * | 1996-01-16 | 1997-07-23 | ALCATEL BELL Naamloze Vennootschap | Verfahren und Modem zur adaptiven Zuteilung des Referenzträgers in einem Mehrträgersystem |
US6072779A (en) * | 1997-06-12 | 2000-06-06 | Aware, Inc. | Adaptive allocation for variable bandwidth multicarrier communication |
US6370156B2 (en) * | 1997-01-31 | 2002-04-09 | Alcatel | Modulation/demodulation of a pilot carrier, means and method to perform the modulation/demodulation |
US6064692A (en) * | 1997-06-20 | 2000-05-16 | Amati Communications Corporation | Protocol for transceiver initialization |
-
1997
- 1997-07-15 EP EP97933959A patent/EP0923821B1/de not_active Expired - Lifetime
- 1997-07-15 US US09/147,750 patent/US6865232B1/en not_active Expired - Lifetime
- 1997-07-15 DE DE69724625T patent/DE69724625T2/de not_active Expired - Fee Related
- 1997-07-15 WO PCT/SE1997/001277 patent/WO1998010545A1/en active IP Right Grant
- 1997-07-15 AT AT97933959T patent/ATE249118T1/de not_active IP Right Cessation
-
1999
- 1999-02-19 NO NO990767A patent/NO990767L/no not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
NO990767L (no) | 1999-04-30 |
DE69724625T2 (de) | 2004-06-24 |
US6865232B1 (en) | 2005-03-08 |
EP0923821B1 (de) | 2003-09-03 |
DE69724625D1 (de) | 2003-10-09 |
NO990767D0 (no) | 1999-02-19 |
EP0923821A1 (de) | 1999-06-23 |
WO1998010545A1 (en) | 1998-03-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |