ATE333744T1 - Mehrträgerdemodulator - Google Patents

Mehrträgerdemodulator

Info

Publication number
ATE333744T1
ATE333744T1 AT00987576T AT00987576T ATE333744T1 AT E333744 T1 ATE333744 T1 AT E333744T1 AT 00987576 T AT00987576 T AT 00987576T AT 00987576 T AT00987576 T AT 00987576T AT E333744 T1 ATE333744 T1 AT E333744T1
Authority
AT
Austria
Prior art keywords
multi carrier
carrier demodulator
demodulator
carrier modulation
map
Prior art date
Application number
AT00987576T
Other languages
English (en)
Inventor
Matthew James Collins
Original Assignee
Conexant Systems Inc
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
Application filed by Conexant Systems Inc filed Critical Conexant Systems Inc
Application granted granted Critical
Publication of ATE333744T1 publication Critical patent/ATE333744T1/de

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
    • H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
    • H04L27/38—Demodulator circuits; Receiver circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/06—DC level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection
    • H04L25/067—DC level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection providing soft decisions, i.e. decisions together with an estimate of reliability
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2647—Arrangements specific to the receiver only

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Error Detection And Correction (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Radio Transmission System (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
AT00987576T 2000-12-28 2000-12-28 Mehrträgerdemodulator ATE333744T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/GB2000/004999 WO2002054695A1 (en) 2000-12-28 2000-12-28 Demodulator circuit

Publications (1)

Publication Number Publication Date
ATE333744T1 true ATE333744T1 (de) 2006-08-15

Family

ID=9886784

Family Applications (1)

Application Number Title Priority Date Filing Date
AT00987576T ATE333744T1 (de) 2000-12-28 2000-12-28 Mehrträgerdemodulator

Country Status (5)

Country Link
US (1) US7912155B2 (de)
EP (1) EP1348286B1 (de)
AT (1) ATE333744T1 (de)
DE (1) DE60029488T2 (de)
WO (1) WO2002054695A1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0110907D0 (en) * 2001-05-03 2001-06-27 British Broadcasting Corp Improvements in decoders for many carrier signals, in particular in DVB-T recievers
US7822150B2 (en) * 2003-03-15 2010-10-26 Alcatel-Lucent Usa Inc. Spherical decoder for wireless communications
KR100996080B1 (ko) * 2003-11-19 2010-11-22 삼성전자주식회사 직교 주파수 분할 다중 방식을 사용하는 통신 시스템에서적응적 변조 및 코딩 제어 장치 및 방법
EP2461532A2 (de) * 2009-07-31 2012-06-06 Hong Seok Seo Verfahren zur verarbeitung eines empfangenen signals mit darin eingefügten kanalstatusinformationen in einem ofdm-system

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5134635A (en) * 1990-07-30 1992-07-28 Motorola, Inc. Convolutional decoder using soft-decision decoding with channel state information
JP2978792B2 (ja) * 1996-10-31 1999-11-15 株式会社次世代デジタルテレビジョン放送システム研究所 軟判定方式及び受信装置
JPH1117760A (ja) 1997-06-24 1999-01-22 Sony Corp 受信装置及び送受信装置並びに通信方法
FI103235B (fi) * 1997-06-26 1999-05-14 Nokia Telecommunications Oy Häiriönpoistomenetelmä OFDM-radiovastaanottimessa
DE19920999B4 (de) 1998-05-09 2005-06-30 Lg Electronics Inc. Verfahren und Vorrichtung zum Empfangen eines digitalen Videosignals
EP0998087A1 (de) * 1998-10-30 2000-05-03 Lucent Technologies Inc. Mehrpegelübertragungssystem und -Verfahren mit adaptiver Abbildung
JP3405258B2 (ja) * 1999-03-12 2003-05-12 日本電気株式会社 軟判定復号用復調結果出力方法及び受信機
GB2355164B (en) * 1999-10-07 2004-06-09 Oak Technology Inc Demodulator circuit
US6977972B1 (en) * 2000-07-12 2005-12-20 Sharp Laboratories Of America, Inc. Method of hybrid soft/hard decision demodulation of signals with multilevel modulation

Also Published As

Publication number Publication date
EP1348286A1 (de) 2003-10-01
DE60029488T2 (de) 2007-01-04
WO2002054695A1 (en) 2002-07-11
EP1348286B1 (de) 2006-07-19
US20040071229A1 (en) 2004-04-15
DE60029488D1 (de) 2006-08-31
US7912155B2 (en) 2011-03-22

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Legal Events

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RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties