NO990773D0 - Multibµrer transmisjonssystem, og fremgangsmÕte for transmisjon av kanalinformasjon - Google Patents

Multibµrer transmisjonssystem, og fremgangsmÕte for transmisjon av kanalinformasjon

Info

Publication number
NO990773D0
NO990773D0 NO990773A NO990773A NO990773D0 NO 990773 D0 NO990773 D0 NO 990773D0 NO 990773 A NO990773 A NO 990773A NO 990773 A NO990773 A NO 990773A NO 990773 D0 NO990773 D0 NO 990773D0
Authority
NO
Norway
Prior art keywords
bits
maximum value
carriers
sub
symbol
Prior art date
Application number
NO990773A
Other languages
English (en)
Other versions
NO990773L (no
Inventor
Mikael Isaksson
Magnus Johansson
Harry Tonvall
Lennart Olsson
Tomas Stefansson
Hans Ihman
Gunnar Bahlenberg
Anders Isaksson
Goeran Ikvist
Lis-Marie Ljunggren
Tomas Nordstroem
Lars-Aake Isaksson
Daniel Bengtsson
Siwert Hokansson
Ye Wen
Per Idling
Original Assignee
Telia Ab
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from SE9603193A external-priority patent/SE506640C2/sv
Application filed by Telia Ab filed Critical Telia Ab
Publication of NO990773D0 publication Critical patent/NO990773D0/no
Publication of NO990773L publication Critical patent/NO990773L/no

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
    • 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)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)
  • Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Telephonic Communication Services (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
NO990773A 1996-09-02 1999-02-19 Multibµrer transmisjonssystem, og fremgangsmÕte for transmisjon av kanalinformasjon NO990773L (no)

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 (2)

Publication Number Publication Date
NO990773D0 true NO990773D0 (no) 1999-02-19
NO990773L NO990773L (no) 1999-04-29

Family

ID=20403751

Family Applications (1)

Application Number Title Priority Date Filing Date
NO990773A NO990773L (no) 1996-09-02 1999-02-19 Multibµrer transmisjonssystem, og fremgangsmÕte for transmisjon av kanalinformasjon

Country Status (7)

Country Link
US (1) US6456649B1 (no)
EP (1) EP0922343B1 (no)
JP (1) JP4130996B2 (no)
AT (1) ATE227911T1 (no)
DE (1) DE69717122T2 (no)
NO (1) NO990773L (no)
WO (1) WO1998010551A2 (no)

Families Citing this family (33)

* Cited by examiner, † Cited by third party
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
PT1245093E (pt) 2000-01-07 2007-01-31 Aware Inc Sistemas e métodos de diagnóstico para modems de portadoras múltiplas
US20010031016A1 (en) * 2000-03-14 2001-10-18 Ernest Seagraves Enhanced bitloading for multicarrier communication channel
CA2344117C (en) * 2000-04-12 2009-06-30 Her Majesty The Queen In Right Of Canada As Represented By The Minister Of Industry Method and system for tiered digital television terrestrial broadcasting services using multi-bit-stream frequency interleaved ofdm
DE60127395T2 (de) 2000-04-18 2007-12-06 Aware, Inc., Bedford Datenzuweisung mit änderbaren signal-rauschabstand
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
US7184468B2 (en) * 2002-01-24 2007-02-27 Broadcom Corporation Method and system for implementing a conditional one's complement of partial address
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
US7042967B2 (en) * 2003-03-03 2006-05-09 Interdigital Technology Corporation Reduced complexity sliding window based equalizer
MXPA05009321A (es) 2003-03-03 2005-11-04 Interdigital Tech Corp Igualador basado en ventana deslizable de complejidad reducida.
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
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
WO2008141165A1 (en) 2007-05-10 2008-11-20 Intellon Corporation Managing distributed access to a shared medium
CN101394251A (zh) * 2008-07-23 2009-03-25 中兴通讯股份有限公司 秩指示信息的发送方法和装置
US8660013B2 (en) 2010-04-12 2014-02-25 Qualcomm Incorporated Detecting delimiters for low-overhead communication in a network
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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61501063A (ja) * 1984-01-11 1986-05-22 テレビツト　コ−ポレイシヨン パケット化アンサンブルモデム
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

Also Published As

Publication number Publication date
US6456649B1 (en) 2002-09-24
DE69717122D1 (de) 2002-12-19
JP4130996B2 (ja) 2008-08-13
WO1998010551A2 (en) 1998-03-12
DE69717122T2 (de) 2003-08-21
WO1998010551A3 (en) 1998-05-07
EP0922343B1 (en) 2002-11-13
ATE227911T1 (de) 2002-11-15
JP2000517510A (ja) 2000-12-26
EP0922343A2 (en) 1999-06-16
NO990773L (no) 1999-04-29

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