NO990776D0 - Multibµrer transmisjonssystem som anvender ortogonale bµrere, og en fremgangsmÕte for Õ bestemme en konstellasjon for hver bµrer - Google Patents

Multibµrer transmisjonssystem som anvender ortogonale bµrere, og en fremgangsmÕte for Õ bestemme en konstellasjon for hver bµrer

Info

Publication number
NO990776D0
NO990776D0 NO990776A NO990776A NO990776D0 NO 990776 D0 NO990776 D0 NO 990776D0 NO 990776 A NO990776 A NO 990776A NO 990776 A NO990776 A NO 990776A NO 990776 D0 NO990776 D0 NO 990776D0
Authority
NO
Norway
Prior art keywords
carrier
parameter
constellation
detection unit
symbol detection
Prior art date
Application number
NO990776A
Other languages
English (en)
Other versions
NO990776L (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
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 SE9603196A external-priority patent/SE506643C2/sv
Application filed by Telia Ab filed Critical Telia Ab
Publication of NO990776D0 publication Critical patent/NO990776D0/no
Publication of NO990776L publication Critical patent/NO990776L/no

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/003Arrangements for allocating sub-channels of the transmission path
    • H04L5/0058Allocation criteria
    • H04L5/006Quality of the received signal, e.g. BER, SNR, water filling
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/0001Arrangements for dividing the transmission path
    • H04L5/0003Two-dimensional division
    • H04L5/0005Time-frequency
    • H04L5/0007Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/003Arrangements for allocating sub-channels of the transmission path
    • H04L5/0044Arrangements for allocating sub-channels of the transmission path allocation of payload
    • H04L5/0046Determination of how many bits are transmitted on different sub-channels
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/004Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056Systems characterized by the type of code used
    • H04L1/0064Concatenated codes
    • H04L1/0065Serial concatenated codes
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/004Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056Systems characterized by the type of code used
    • H04L1/0071Use of interleaving
NO990776A 1996-09-02 1999-02-19 Multibµrer transmisjonssystem som anvender ortogonale bµrere, og en fremgangsmÕte for Õ bestemme en konstellasjon for hver bµrer NO990776L (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE9603196A SE506643C2 (sv) 1996-05-24 1996-09-02 Förbättringar av, eller med avseende på, multibärvågssystem
PCT/SE1997/001459 WO1998010554A2 (en) 1996-09-02 1997-09-01 Improvements in, or relating to, multi-carrier transmission systems

Publications (2)

Publication Number Publication Date
NO990776D0 true NO990776D0 (no) 1999-02-19
NO990776L NO990776L (no) 1999-04-30

Family

ID=20403754

Family Applications (1)

Application Number Title Priority Date Filing Date
NO990776A NO990776L (no) 1996-09-02 1999-02-19 Multibµrer transmisjonssystem som anvender ortogonale bµrere, og en fremgangsmÕte for Õ bestemme en konstellasjon for hver bµrer

Country Status (7)

Country Link
US (1) US6438174B1 (no)
EP (1) EP0922345B1 (no)
JP (1) JP4016126B2 (no)
AT (1) ATE228286T1 (no)
DE (1) DE69717285T2 (no)
NO (1) NO990776L (no)
WO (1) WO1998010554A2 (no)

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US7103065B1 (en) 1998-10-30 2006-09-05 Broadcom Corporation Data packet fragmentation in a cable modem system
WO2000028712A2 (en) * 1998-10-30 2000-05-18 Broadcom Corporation Cable modem system
US6961314B1 (en) 1998-10-30 2005-11-01 Broadcom Corporation Burst receiver for cable modem system
US6819760B1 (en) 1999-06-21 2004-11-16 Advanced Micro Devices, Inc. Adaptive energy detector gain control in physical layer transceiver for home telephone wire network
US7085691B2 (en) * 1999-11-04 2006-08-01 Verticalband, Limited Reliable symbols as a means of improving the performance of information transmission systems
US7110923B2 (en) * 1999-11-04 2006-09-19 Verticalband, Limited Fast, blind equalization techniques using reliable symbols
US7143013B2 (en) * 1999-11-04 2006-11-28 Verticalband, Limited Reliable symbols as a means of improving the performance of information transmission systems
AU2108301A (en) 1999-12-16 2001-06-25 Aware, Inc. Bit allocation method in a multicarrier system
CA2788662C (en) 2000-01-07 2017-01-03 Aware, Inc. Diagnostic methods and systems for multicarrier modems
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
ATE513401T1 (de) 2000-04-18 2011-07-15 Aware Inc Mehrträgersystem mit einer mehrzahl von snr- abständen
WO2001082543A2 (en) * 2000-04-22 2001-11-01 Atheros Communications, Inc. Multi-carrier communication systems employing variable ofdm-symbol rates and number of carriers
US20030112896A1 (en) * 2001-07-11 2003-06-19 Raghavan Sreen A. Multi-channel communications transceiver
US7236757B2 (en) * 2001-07-11 2007-06-26 Vativ Technologies, Inc. High-speed multi-channel communications transceiver with inter-channel interference filter
US7295623B2 (en) * 2001-07-11 2007-11-13 Vativ Technologies, Inc. High-speed communications transceiver
FR2844408B1 (fr) * 2002-09-09 2004-11-26 Canon Kk Procedes et dispositifs d'emission et de reception avec ajustement dynamique de la bande passante du canal radio
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
JP4448847B2 (ja) * 2003-03-03 2010-04-14 インターデイジタル テクノロジー コーポレーション 複雑さを低減させたスライディングウィンドウ方式による等化器
US7042967B2 (en) * 2003-03-03 2006-05-09 Interdigital Technology Corporation Reduced complexity sliding window based equalizer
US7388904B2 (en) * 2003-06-03 2008-06-17 Vativ Technologies, Inc. Near-end, far-end and echo cancellers in a multi-channel transceiver system
EP1925138A4 (en) * 2005-09-14 2012-02-29 Samsung Electronics Co Ltd APPARATUS AND METHOD FOR RAFALE DECODING IN AN OFDMA MOBILE COMMUNICATION SYSTEM
CN101366216B (zh) * 2006-01-31 2013-03-27 三菱电机株式会社 通信控制方法、接收站装置、发送站装置以及通信系统
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
US10498579B1 (en) * 2018-05-18 2019-12-03 MACOM Technology Solutions Holding, Inc. Dynamic constellation adaptation for slicer
KR102067938B1 (ko) * 2019-01-14 2020-01-17 박천수 제로포스 이퀄라이징 벡터합성 앱솔루트 엔코더 구현방법 및 그 장치

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Publication number Priority date Publication date Assignee Title
US4943980A (en) * 1989-05-02 1990-07-24 Intelligent Modem Corporation Multi-carrier high speed modem
US5243629A (en) 1991-09-03 1993-09-07 At&T Bell Laboratories Multi-subcarrier modulation for hdtv transmission
GB2271693A (en) 1992-10-13 1994-04-20 Motorola Israel Ltd Communications system having pilot signals transmitted over frequency divided channels
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
IT1273793B (it) 1994-02-22 1997-07-10 Italtel Spa Sistema composito a multiplazione ortogonale a divisione di frequenza (ofdm) per la trasmissione di sequenze di dati
US5666382A (en) * 1994-02-28 1997-09-09 Abb Daimler-Benz Transportation (North America) Inc. Method and apparatus for communicating in the presence of power and propulsion system interference
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
EP0922345B1 (en) 2002-11-20
WO1998010554A3 (en) 1998-05-07
ATE228286T1 (de) 2002-12-15
NO990776L (no) 1999-04-30
WO1998010554A2 (en) 1998-03-12
DE69717285D1 (de) 2003-01-02
DE69717285T2 (de) 2003-09-04
US6438174B1 (en) 2002-08-20
JP4016126B2 (ja) 2007-12-05
JP2000517513A (ja) 2000-12-26
EP0922345A2 (en) 1999-06-16

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