DE60131407D1 - Empfängerschaltung - Google Patents

Empfängerschaltung

Info

Publication number
DE60131407D1
DE60131407D1 DE60131407T DE60131407T DE60131407D1 DE 60131407 D1 DE60131407 D1 DE 60131407D1 DE 60131407 T DE60131407 T DE 60131407T DE 60131407 T DE60131407 T DE 60131407T DE 60131407 D1 DE60131407 D1 DE 60131407D1
Authority
DE
Germany
Prior art keywords
guard interval
receiver circuit
size
received signal
correlation function
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
Application number
DE60131407T
Other languages
English (en)
Other versions
DE60131407T2 (de
Inventor
Jonathan Parker
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Entropic Communications LLC
Original Assignee
Conexant Systems LLC
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 LLC filed Critical Conexant Systems LLC
Publication of DE60131407D1 publication Critical patent/DE60131407D1/de
Application granted granted Critical
Publication of DE60131407T2 publication Critical patent/DE60131407T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/455—Demodulation-circuits
    • 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
    • H04L27/2655—Synchronisation arrangements
    • H04L27/2662—Symbol synchronisation
    • 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
    • H04L27/2655—Synchronisation arrangements
    • H04L27/2666—Acquisition of further OFDM parameters, e.g. bandwidth, subcarrier spacing, or guard interval length
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/426—Internal components of the client ; Characteristics thereof
    • H04N21/42607—Internal components of the client ; Characteristics thereof for processing the incoming bitstream
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/438—Interfacing the downstream path of the transmission network originating from a server, e.g. retrieving MPEG packets from an IP network
    • H04N21/4382—Demodulation or channel decoding, e.g. QPSK demodulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client 
    • H04N21/61—Network physical structure; Signal processing
    • H04N21/6106—Network physical structure; Signal processing specially adapted to the downstream path of the transmission network
    • H04N21/6112—Network physical structure; Signal processing specially adapted to the downstream path of the transmission network involving terrestrial transmission, e.g. DVB-T
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/426—Internal components of the client ; Characteristics thereof
DE60131407T 2000-07-12 2001-07-04 Empfängerschaltung Expired - Lifetime DE60131407T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB0017131 2000-07-12
GB0017131A GB2364865B (en) 2000-07-12 2000-07-12 Receiver circuit
PCT/EP2001/007655 WO2002009383A1 (en) 2000-07-12 2001-07-04 Receiver circuit

Publications (2)

Publication Number Publication Date
DE60131407D1 true DE60131407D1 (de) 2007-12-27
DE60131407T2 DE60131407T2 (de) 2008-09-18

Family

ID=9895534

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60131407T Expired - Lifetime DE60131407T2 (de) 2000-07-12 2001-07-04 Empfängerschaltung

Country Status (6)

Country Link
US (2) US7424048B2 (de)
EP (1) EP1302044B1 (de)
AT (1) ATE378761T1 (de)
DE (1) DE60131407T2 (de)
GB (1) GB2364865B (de)
WO (1) WO2002009383A1 (de)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2364865B (en) * 2000-07-12 2004-01-21 Conexant Systems Inc Receiver circuit
US8483189B2 (en) 2003-03-10 2013-07-09 Panasonic Corporation OFDM signal transmission method, transmission apparatus, and reception apparatus
JP4291674B2 (ja) * 2003-11-11 2009-07-08 株式会社エヌ・ティ・ティ・ドコモ Ｏｆｄｍ送信機及びｏｆｄｍ受信機
EP1542421B1 (de) * 2003-12-08 2010-10-27 Panasonic Corporation Demodulator und Demodulationsmethode und integrierter Schaltkreis des Demodulators
US8000675B2 (en) * 2004-04-16 2011-08-16 Sony Ericsson Mobile Communications Ab Low cost method for receiving broadcast channels with a cellular terminal
EP1745559A1 (de) * 2004-04-29 2007-01-24 Koninklijke Philips Electronics N.V. Empfänger zur löschung von schmalbandigen störungen
WO2005125136A1 (en) * 2004-06-08 2005-12-29 Sandbridge Technologies, Inc. Orthogonal frequency division multiplexing receiver
KR100674918B1 (ko) * 2004-11-05 2007-01-26 삼성전자주식회사 Ｍｃｍ 신호 수신 시스템에서의 임펄스 잡음 제거 회로
US7570666B2 (en) * 2005-02-01 2009-08-04 Industrial Technology Research Institute Method and apparatus for guard interval detection in multi-carrier receiver
US7693227B2 (en) * 2005-03-31 2010-04-06 Texas Instruments Incorporated Channel length estimation and accurate FFT window placement for high-mobility OFDM receivers in single frequency networks
US7602852B2 (en) * 2005-04-21 2009-10-13 Telefonaktiebolaget L M Ericsson (Publ) Initial parameter estimation in OFDM systems
US7684286B2 (en) 2005-08-31 2010-03-23 Mediatek Inc. Track-jump control device and method thereof
US8315191B2 (en) 2005-09-20 2012-11-20 Qualcomm Incorporated Timing acquisition and mode and guard detection for an OFDM transmission
CN100514903C (zh) * 2005-09-29 2009-07-15 王亦兵 频率分配用户接入局域网的系统及上、下行传输方法
US7479924B2 (en) * 2005-11-14 2009-01-20 Sirf Technology Holdings, Inc. False reacquisition mitigation in high sensitivity navigational satellite signal receivers
US8009745B2 (en) 2005-11-15 2011-08-30 Qualcomm Incorporated Time tracking for a receiver with guard interval correlation
TWI313122B (en) * 2006-09-14 2009-08-01 Transmission parameter recognition apparatus and method thereof
US7684445B2 (en) * 2006-10-09 2010-03-23 Industrial Technology Research Institute Method and related circuit of guard interval length detection for OFDM signals
US8054925B2 (en) 2007-07-31 2011-11-08 Alcatel Lucent Method and apparatus for synchronizing a receiver
GB2470755A (en) 2009-06-03 2010-12-08 Sony Corp Data processing apparatus and method
US20120157865A1 (en) * 2010-12-20 2012-06-21 Yosef Stein Adaptive ecg wandering correction
US9042467B2 (en) 2013-05-01 2015-05-26 Delphi Technologies, Inc. Method to increase signal-to-noise ratio of a cyclic-prefix orthogonal frequency-division multiplex signal
US10524161B2 (en) 2014-08-20 2019-12-31 Qualcomm Incorporated Delay spread estimation and utilization

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR881804A (fr) 1941-03-11 1943-05-10 Procédé de fabrication continue d'objets, en particulier d'éléments de dentiers, e dents factices et similaires
JP3041175B2 (ja) * 1993-11-12 2000-05-15 株式会社東芝 Ｏｆｄｍ同期復調回路
US5528405A (en) * 1995-01-05 1996-06-18 Harris Corporation Power series correction in a linear fiber optic analog transmission system and method
FR2743967B1 (fr) * 1996-01-18 1998-03-27 France Telecom Procede et dispositif de synchronisation temporelle d'un recepteur d'un signal multiporteuse
JPH1065605A (ja) * 1996-08-23 1998-03-06 Sony Corp 受信方法、タイミング検出装置及び受信装置
GB9709063D0 (en) * 1997-05-02 1997-06-25 British Broadcasting Corp Improvements to OFDM symbol synchronization
FR2764143A1 (fr) * 1997-05-27 1998-12-04 Philips Electronics Nv Procede de determination d'un format d'emission de symboles dans un systeme de transmission et systeme
GB2364865B (en) * 2000-07-12 2004-01-21 Conexant Systems Inc Receiver circuit

Also Published As

Publication number Publication date
US20090154610A1 (en) 2009-06-18
GB0017131D0 (en) 2000-08-30
US20030219084A1 (en) 2003-11-27
GB2364865B (en) 2004-01-21
EP1302044B1 (de) 2007-11-14
US7424048B2 (en) 2008-09-09
US7729414B2 (en) 2010-06-01
ATE378761T1 (de) 2007-11-15
GB2364865A (en) 2002-02-06
DE60131407T2 (de) 2008-09-18
WO2002009383A1 (en) 2002-01-31
EP1302044A1 (de) 2003-04-16

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Owner name: NXP B.V., EINDHOVEN, NL

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Owner name: TRIDENT MICROSYSTEMS (FAR EAST) LTD., GRAND CA, KY

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