DE69717285T2 - Verbesserungen bei, oder in bezug auf mehrträgerübertragungssysteme - Google Patents
Verbesserungen bei, oder in bezug auf mehrträgerübertragungssystemeInfo
- Publication number
- DE69717285T2 DE69717285T2 DE69717285T DE69717285T DE69717285T2 DE 69717285 T2 DE69717285 T2 DE 69717285T2 DE 69717285 T DE69717285 T DE 69717285T DE 69717285 T DE69717285 T DE 69717285T DE 69717285 T2 DE69717285 T2 DE 69717285T2
- Authority
- DE
- Germany
- Prior art keywords
- parameter
- carrier
- detection unit
- symbol detection
- constellation
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Lifetime
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
- H04L5/0058—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
- 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
- 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
- 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
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 |
---|---|
DE69717285D1 DE69717285D1 (de) | 2003-01-02 |
DE69717285T2 true DE69717285T2 (de) | 2003-09-04 |
Family
ID=20403754
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69717285T Expired - Lifetime DE69717285T2 (de) | 1996-09-02 | 1997-09-01 | Verbesserungen bei, oder in bezug auf mehrträgerübertragungssysteme |
Country Status (7)
Country | Link |
---|---|
US (1) | US6438174B1 (de) |
EP (1) | EP0922345B1 (de) |
JP (1) | JP4016126B2 (de) |
AT (1) | ATE228286T1 (de) |
DE (1) | DE69717285T2 (de) |
NO (1) | NO990776L (de) |
WO (1) | WO1998010554A2 (de) |
Families Citing this family (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7103065B1 (en) * | 1998-10-30 | 2006-09-05 | Broadcom Corporation | Data packet fragmentation in a cable modem system |
US6961314B1 (en) | 1998-10-30 | 2005-11-01 | Broadcom Corporation | Burst receiver for cable modem system |
ATE412289T1 (de) * | 1998-10-30 | 2008-11-15 | Broadcom Corp | Kabelmodemsystem |
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 |
WO2001045340A1 (en) * | 1999-12-16 | 2001-06-21 | Aware, Inc. | Bit allocation method in a multicarrier 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 |
US6944120B2 (en) * | 2000-04-12 | 2005-09-13 | 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 |
EP1277317A2 (de) * | 2000-04-22 | 2003-01-22 | Atheros Communications, Inc. | Mehrträgerkommunikationssystem unter verwendung von veränderlichen ofdm-symbolraten und veränderlicher anzahl der träger |
US7236757B2 (en) * | 2001-07-11 | 2007-06-26 | Vativ Technologies, Inc. | High-speed multi-channel communications transceiver with inter-channel interference filter |
US20030112896A1 (en) * | 2001-07-11 | 2003-06-19 | Raghavan Sreen A. | Multi-channel communications transceiver |
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 |
US7042967B2 (en) * | 2003-03-03 | 2006-05-09 | Interdigital Technology Corporation | Reduced complexity sliding window based equalizer |
KR100769097B1 (ko) * | 2003-03-03 | 2007-10-23 | 인터디지탈 테크날러지 코포레이션 | 복잡도가 감소된 슬라이딩 윈도우 기반의 등화기 |
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 (de) * | 2005-09-14 | 2012-02-29 | Samsung Electronics Co Ltd | Vorrichtung und verfahren zur burst-dekodierung in einem mobilen ofdma-kommunikationssystem |
JP4809373B2 (ja) * | 2006-01-31 | 2011-11-09 | 三菱電機株式会社 | 通信制御方法、受信局装置、送信局装置および通信システム |
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 |
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 |
Family Cites Families (9)
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 |
SE9302453L (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 |
-
1997
- 1997-09-01 JP JP51256198A patent/JP4016126B2/ja not_active Expired - Lifetime
- 1997-09-01 WO PCT/SE1997/001459 patent/WO1998010554A2/en active IP Right Grant
- 1997-09-01 AT AT97939279T patent/ATE228286T1/de not_active IP Right Cessation
- 1997-09-01 DE DE69717285T patent/DE69717285T2/de not_active Expired - Lifetime
- 1997-09-01 US US09/147,742 patent/US6438174B1/en not_active Expired - Lifetime
- 1997-09-01 EP EP97939279A patent/EP0922345B1/de not_active Expired - Lifetime
-
1999
- 1999-02-19 NO NO990776A patent/NO990776L/no not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
NO990776D0 (no) | 1999-02-19 |
ATE228286T1 (de) | 2002-12-15 |
WO1998010554A2 (en) | 1998-03-12 |
EP0922345A2 (de) | 1999-06-16 |
JP4016126B2 (ja) | 2007-12-05 |
WO1998010554A3 (en) | 1998-05-07 |
NO990776L (no) | 1999-04-30 |
US6438174B1 (en) | 2002-08-20 |
DE69717285D1 (de) | 2003-01-02 |
JP2000517513A (ja) | 2000-12-26 |
EP0922345B1 (de) | 2002-11-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |