ATE227911T1 - Verbesserungen bei, oder in bezug auf mehrträgerübertragungssysteme - Google Patents
Verbesserungen bei, oder in bezug auf mehrträgerübertragungssystemeInfo
- Publication number
- ATE227911T1 ATE227911T1 AT97939277T AT97939277T ATE227911T1 AT E227911 T1 ATE227911 T1 AT E227911T1 AT 97939277 T AT97939277 T AT 97939277T AT 97939277 T AT97939277 T AT 97939277T AT E227911 T1 ATE227911 T1 AT E227911T1
- Authority
- AT
- Austria
- Prior art keywords
- bits
- maximum value
- carriers
- sub
- symbol
- Prior art date
Links
Classifications
-
- 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
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- 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
- 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
- H04L5/0058—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
- H04L1/0071—Use of interleaving
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Quality & Reliability (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
- Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9603193A SE506640C2 (sv) | 1996-05-24 | 1996-09-02 | Förbättringar av, eller med avseende på, multibärvågssystem |
PCT/SE1997/001456 WO1998010551A2 (en) | 1996-09-02 | 1997-09-01 | Improvements in, or relating to, multi-carrier transmission systems |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE227911T1 true ATE227911T1 (de) | 2002-11-15 |
Family
ID=20403751
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT97939277T ATE227911T1 (de) | 1996-09-02 | 1997-09-01 | Verbesserungen bei, oder in bezug auf mehrträgerübertragungssysteme |
Country Status (7)
Country | Link |
---|---|
US (1) | US6456649B1 (de) |
EP (1) | EP0922343B1 (de) |
JP (1) | JP4130996B2 (de) |
AT (1) | ATE227911T1 (de) |
DE (1) | DE69717122T2 (de) |
NO (1) | NO990773L (de) |
WO (1) | WO1998010551A2 (de) |
Families Citing this family (33)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5878062A (en) * | 1997-01-24 | 1999-03-02 | Nokia Telecommunications Oy | Data transfer method and a cellular radio system |
US6295272B1 (en) * | 1998-04-20 | 2001-09-25 | Gadzoox Networks, Inc. | Subchannel modulation scheme for carrying management and control data outside the regular data channel |
US6700936B1 (en) * | 1998-05-05 | 2004-03-02 | British Broadcasting Corporation | Many-carrier transmission system and a receiver therefor |
CN1694446A (zh) * | 1999-08-27 | 2005-11-09 | 三菱电机株式会社 | 同步脉冲产生方法及ofdm信号接收方法 |
ES2272438T3 (es) | 2000-01-07 | 2007-05-01 | Aware, Inc. | Metodos y sistemas de diagnostico por modemes multiportadores. |
US20010031016A1 (en) * | 2000-03-14 | 2001-10-18 | Ernest Seagraves | Enhanced bitloading for multicarrier communication channel |
US6788349B2 (en) * | 2000-04-12 | 2004-09-07 | Her Majesty Of Queen In Right Of Canada, As Respresented By The Minister Of Industry | Method and system for broadcasting a digital data signal within an analog TV signal using Orthogonal Frequency Division Multiplexing |
EP1830535B1 (de) | 2000-04-18 | 2011-06-15 | Aware, Inc. | Mehrträgersystem mit einer Mehrzahl von SNR-Abständen |
US7149242B1 (en) * | 2000-05-31 | 2006-12-12 | Bitrage, Inc. | Communications system for improving transmission rates and transmission distances of data signals across communications links |
US7352770B1 (en) | 2000-08-04 | 2008-04-01 | Intellon Corporation | Media access control protocol with priority and contention-free intervals |
US7079599B2 (en) * | 2001-02-28 | 2006-07-18 | Broadcom Corporation | Multi-mode quadrature amplitude modulation receiver for high rate wireless personal area networks |
US7020095B2 (en) | 2001-06-16 | 2006-03-28 | Maxim Integrated Products, Inc. | System and method for modulation of non-data bearing carriers in a multi-carrier modulation system |
US7177319B2 (en) * | 2001-12-27 | 2007-02-13 | Interdigital Technology Corporation | Insertion sorter |
US7177988B2 (en) * | 2002-01-24 | 2007-02-13 | Broadcom Corporation | Method and system for synchronizing processor and DMA using ownership flags |
US7826466B2 (en) | 2002-06-26 | 2010-11-02 | Atheros Communications, Inc. | Communication buffer scheme optimized for VoIP, QoS and data networking over a power line |
US8149703B2 (en) | 2002-06-26 | 2012-04-03 | Qualcomm Atheros, Inc. | Powerline network bridging congestion control |
EP1604466A4 (de) | 2003-03-03 | 2007-06-27 | Interdigital Tech Corp | Entzerrer auf basis eines gleitenden fensters mit verminderter komplexität |
US7042967B2 (en) * | 2003-03-03 | 2006-05-09 | Interdigital Technology Corporation | Reduced complexity sliding window based equalizer |
US8090857B2 (en) | 2003-11-24 | 2012-01-03 | Qualcomm Atheros, Inc. | Medium access control layer that encapsulates data from a plurality of received data units into a plurality of independently transmittable blocks |
US7660327B2 (en) | 2004-02-03 | 2010-02-09 | Atheros Communications, Inc. | Temporary priority promotion for network communications in which access to a shared medium depends on a priority level |
US7715425B2 (en) | 2004-02-26 | 2010-05-11 | Atheros Communications, Inc. | Channel adaptation synchronized to periodically varying channel |
JP4412005B2 (ja) * | 2004-03-05 | 2010-02-10 | 株式会社日立製作所 | 適応変調方法並びにデータレート制御方法 |
US7822124B1 (en) * | 2004-07-02 | 2010-10-26 | Ikanos Communications Inc. | Method and apparatus for adaptive iterative decision feedback control coding in modems |
FR2879349B1 (fr) * | 2004-12-15 | 2007-05-11 | Thales Sa | Dispositif a electronique de spin a commande par deplacement de parois induit par un courant de porteurs polarises en spin |
US8175190B2 (en) | 2005-07-27 | 2012-05-08 | Qualcomm Atheros, Inc. | Managing spectra of modulated signals in a communication network |
US7822059B2 (en) | 2005-07-27 | 2010-10-26 | Atheros Communications, Inc. | Managing contention-free time allocations in a network |
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 |
EP2153588B1 (de) | 2007-05-10 | 2012-02-08 | Qualcomm Atheros, Inc. | Verwaltung des verteilten zugriffes auf ein gemeinsam genutztes medium |
CN105553533A (zh) * | 2008-07-23 | 2016-05-04 | 中兴通讯股份有限公司 | 秩指示信息的发送方法和装置 |
BR112012026336A2 (pt) | 2010-04-12 | 2016-09-20 | Qualcomm Atheros Inc | repetição para comunicação com baixo overhead em uma rede |
DE102013203423B3 (de) * | 2013-02-28 | 2014-07-10 | Siemens Aktiengesellschaft | Verfahren und Vorrichtung zum Übertragen eines Datenpaketes |
US8891605B2 (en) | 2013-03-13 | 2014-11-18 | Qualcomm Incorporated | Variable line cycle adaptation for powerline communications |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1985003180A1 (en) * | 1984-01-11 | 1985-07-18 | Telebit Corporation | Packetized ensemble modem |
US5115438A (en) * | 1988-08-04 | 1992-05-19 | Siemens Aktiengesellschaft | Method for redundancy-saving, error-correcting coding in digital radio link systems having multi-level modulation |
US4943980A (en) * | 1989-05-02 | 1990-07-24 | Intelligent Modem Corporation | Multi-carrier high speed modem |
US5063574A (en) * | 1990-03-06 | 1991-11-05 | Moose Paul H | Multi-frequency differentially encoded digital communication for high data rate transmission through unequalized channels |
US5315583A (en) * | 1991-04-11 | 1994-05-24 | Usa Digital Radio | Method and apparatus for digital audio broadcasting and reception |
US5425050A (en) * | 1992-10-23 | 1995-06-13 | Massachusetts Institute Of Technology | Television transmission system using spread spectrum and orthogonal frequency-division multiplex |
SE500986C2 (sv) | 1993-07-20 | 1994-10-17 | Telia Ab | Förfarande och anordning för synkronisering i digitalt transmissionssystem av typen OFDM |
US5598435A (en) * | 1993-12-23 | 1997-01-28 | British Telecommunications Public Limited Company | Digital modulation using QAM with multiple signal point constellations not equal to a power of two |
US5774500A (en) * | 1995-12-08 | 1998-06-30 | Board Of Trustees, The Leland Stanford Jr., University | Multi-channel trellis shaper |
-
1997
- 1997-09-01 AT AT97939277T patent/ATE227911T1/de not_active IP Right Cessation
- 1997-09-01 JP JP51255898A patent/JP4130996B2/ja not_active Expired - Lifetime
- 1997-09-01 US US09/147,743 patent/US6456649B1/en not_active Expired - Lifetime
- 1997-09-01 EP EP97939277A patent/EP0922343B1/de not_active Expired - Lifetime
- 1997-09-01 WO PCT/SE1997/001456 patent/WO1998010551A2/en active IP Right Grant
- 1997-09-01 DE DE69717122T patent/DE69717122T2/de not_active Expired - Fee Related
-
1999
- 1999-02-19 NO NO990773A patent/NO990773L/no not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
EP0922343B1 (de) | 2002-11-13 |
US6456649B1 (en) | 2002-09-24 |
WO1998010551A2 (en) | 1998-03-12 |
JP2000517510A (ja) | 2000-12-26 |
JP4130996B2 (ja) | 2008-08-13 |
NO990773D0 (no) | 1999-02-19 |
EP0922343A2 (de) | 1999-06-16 |
DE69717122D1 (de) | 2002-12-19 |
DE69717122T2 (de) | 2003-08-21 |
NO990773L (no) | 1999-04-29 |
WO1998010551A3 (en) | 1998-05-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |