NO990771L - Multi-bµrer transmisjonssystem samt mottaker, transceiver og fremgangsmÕte for samme - Google Patents

Multi-bµrer transmisjonssystem samt mottaker, transceiver og fremgangsmÕte for samme

Info

Publication number
NO990771L
NO990771L NO990771A NO990771A NO990771L NO 990771 L NO990771 L NO 990771L NO 990771 A NO990771 A NO 990771A NO 990771 A NO990771 A NO 990771A NO 990771 L NO990771 L NO 990771L
Authority
NO
Norway
Prior art keywords
transceiver
receiver
transmission system
carrier transmission
synchronization
Prior art date
Application number
NO990771A
Other languages
English (en)
Norwegian (no)
Other versions
NO990771D0 (no
Inventor
Mikael Isaksson
Magnus Johansson
Harry Tonvall
Lennart Olsson
Tomas Stefansson
Hans Ihman
Gunnar Bahlenberg
Anders Isaksson
G Ran Ikvist
Lis-Marie Ljunggren
M Tomas Nordstr
Lars-Ke 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 SE9603191A external-priority patent/SE506638C2/sv
Application filed by Telia Ab filed Critical Telia Ab
Publication of NO990771D0 publication Critical patent/NO990771D0/no
Publication of NO990771L publication Critical patent/NO990771L/no

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/0001Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0023Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0025Transmission of mode-switching indication
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/26Systems using multi-frequency codes
    • H04L27/2601Multicarrier modulation systems
    • H04L27/2647Arrangements specific to the receiver only
    • H04L27/2655Synchronisation arrangements
    • H04L27/2657Carrier synchronisation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/26Systems using multi-frequency codes
    • H04L27/2601Multicarrier modulation systems
    • H04L27/2647Arrangements specific to the receiver only
    • H04L27/2655Synchronisation arrangements
    • H04L27/2662Symbol synchronisation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/26Systems using multi-frequency codes
    • H04L27/2601Multicarrier modulation systems
    • H04L27/2647Arrangements specific to the receiver only
    • H04L27/2655Synchronisation arrangements
    • H04L27/2668Details of algorithms
    • H04L27/2673Details of algorithms characterised by synchronisation parameters
    • H04L27/2675Pilot or known symbols
    • 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
    • H04L1/0059Convolutional 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
  • Seal Device For Vehicle (AREA)
NO990771A 1996-09-02 1999-02-19 Multi-bµrer transmisjonssystem samt mottaker, transceiver og fremgangsmÕte for samme NO990771L (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE9603191A SE506638C2 (sv) 1996-05-24 1996-09-02 Förbättringar av, eller med avseende på, multibärvågssystem
PCT/SE1997/001454 WO1998010549A2 (en) 1996-09-02 1997-09-01 Improvements in, or relating to, multi-carrier transmission systems

Publications (2)

Publication Number Publication Date
NO990771D0 NO990771D0 (no) 1999-02-19
NO990771L true NO990771L (no) 1999-04-30

Family

ID=20403749

Family Applications (1)

Application Number Title Priority Date Filing Date
NO990771A NO990771L (no) 1996-09-02 1999-02-19 Multi-bµrer transmisjonssystem samt mottaker, transceiver og fremgangsmÕte for samme

Country Status (7)

Country Link
US (1) US6359926B1 (de)
EP (1) EP0923822B1 (de)
JP (1) JP4016125B2 (de)
AT (1) ATE227912T1 (de)
DE (1) DE69717127T2 (de)
NO (1) NO990771L (de)
WO (1) WO1998010549A2 (de)

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US20060274840A1 (en) * 2005-06-06 2006-12-07 Marcos Tzannes Method for seamlessly changing power modes in an ADSL system
US6735255B1 (en) 1999-05-28 2004-05-11 3Com Corporation Correlation based method of determining frame boundaries of data frames that are periodically extended
EP1061705B1 (de) * 1999-06-16 2004-12-22 Sony International (Europe) GmbH Optimierte Synchronisierungspräambelstruktur für OFDM-System
US6625113B1 (en) * 1999-08-30 2003-09-23 Agere Systems Inc. Digital signal frame and interleaver synchronizer
US6961369B1 (en) 1999-11-09 2005-11-01 Aware, Inc. System and method for scrambling the phase of the carriers in a multicarrier communications system
JP2003520504A (ja) 2000-01-07 2003-07-02 アウェア, インコーポレイテッド 診断送信モードおよび診断通信を構築するためのシステムおよびその方法
WO2001065794A1 (en) * 2000-02-29 2001-09-07 3Com Corporation Method of multicarrier symbol synchronisation by using correlation
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
JP2004501535A (ja) 2000-04-18 2004-01-15 アウェア, インコーポレイテッド 変動マージンを用いたマルチキャリア変調システムおよび方法
EP1162803A1 (de) * 2000-06-05 2001-12-12 Telefonaktiebolaget L M Ericsson (Publ) Frequenznachlaufgerät und -verfahren für einen Empfänger eines Multiträger-Kommunikationssystems
EP2262157A3 (de) 2000-07-05 2011-03-23 Sony Deutschland Gmbh Pilotsmusterentwurf für ein STTD-Schema in einem OFDM-System
DE10145166A1 (de) * 2001-09-13 2003-04-24 Siemens Ag Verfahren und Vorrichtung zur Datenübertragung in einem Mehr-Träger-System
US7042967B2 (en) * 2003-03-03 2006-05-09 Interdigital Technology Corporation Reduced complexity sliding window based equalizer
WO2004079927A2 (en) * 2003-03-03 2004-09-16 Interdigital Technology Corporation Reduced complexity sliding window based equalizer
US7065696B1 (en) * 2003-04-11 2006-06-20 Broadlogic Network Technologies Inc. Method and system for providing high-speed forward error correction for multi-stream data
US7400720B2 (en) * 2004-10-05 2008-07-15 Sbc Knowledge Ventures, L.P. System and method for optimizing digital subscriber line based services
CA2582957C (en) * 2004-10-11 2013-09-03 2Wire Inc. Periodic impulse noise mitigation in a dsl system
US7953163B2 (en) * 2004-11-30 2011-05-31 Broadcom Corporation Block linear equalization in a multicarrier communication system
US7852950B2 (en) * 2005-02-25 2010-12-14 Broadcom Corporation Methods and apparatuses for canceling correlated noise in a multi-carrier communication system
US9374257B2 (en) * 2005-03-18 2016-06-21 Broadcom Corporation Methods and apparatuses of measuring impulse noise parameters in multi-carrier communication systems
US7813439B2 (en) * 2006-02-06 2010-10-12 Broadcom Corporation Various methods and apparatuses for impulse noise detection
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
US8605837B2 (en) * 2008-10-10 2013-12-10 Broadcom Corporation Adaptive frequency-domain reference noise canceller for multicarrier communications systems
CN103427875B (zh) * 2012-08-03 2015-05-27 万高(杭州)科技有限公司 同轴电缆宽带接入的模拟前端***
CN103457633B (zh) * 2012-08-03 2015-03-11 万高(杭州)科技有限公司 一种回波噪声消除全混合线接口
US10560254B1 (en) * 2017-08-15 2020-02-11 L3 Technologies Inc. Picosecond LPD time alignment
KR102457566B1 (ko) * 2018-02-22 2022-10-21 한국전자통신연구원 데이터 패킷의 버스트의 길이에 기초하여 변복조를 수행하는 변복조기 및 상기 복조기가 수행하는 방법
CN111541475B (zh) * 2020-04-23 2022-02-08 中国电子科技集团公司第五十四研究所 一种卫星移动通信***话音业务中时频同步方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE500986C2 (sv) 1993-07-20 1994-10-17 Telia Ab Förfarande och anordning för synkronisering i digitalt transmissionssystem av typen OFDM
US5444697A (en) * 1993-08-11 1995-08-22 The University Of British Columbia Method and apparatus for frame synchronization in mobile OFDM data communication
JP2731722B2 (ja) * 1994-05-26 1998-03-25 日本電気株式会社 クロック周波数自動制御方式及びそれに用いる送信装置と受信装置
US5625651A (en) * 1994-06-02 1997-04-29 Amati Communications, Inc. Discrete multi-tone data transmission system using an overhead bus for synchronizing multiple remote units
ES2337110T3 (es) * 1997-10-10 2010-04-20 Daphimo Co. B.V., Llc Modem multiportadora sin divisor.
DE69920737T2 (de) * 1998-11-03 2005-10-13 Broadcom Corp., Irvine Qam/vsb zweimodenempfänger

Also Published As

Publication number Publication date
JP2000517508A (ja) 2000-12-26
DE69717127T2 (de) 2003-07-31
WO1998010549A2 (en) 1998-03-12
JP4016125B2 (ja) 2007-12-05
NO990771D0 (no) 1999-02-19
US6359926B1 (en) 2002-03-19
EP0923822B1 (de) 2002-11-13
EP0923822A2 (de) 1999-06-23
ATE227912T1 (de) 2002-11-15
WO1998010549A3 (en) 1998-05-22
DE69717127D1 (de) 2002-12-19

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