DE69427415D1 - OFDM-Empfänger mit Ausgleichung von differenziellen Verzögerungen - Google Patents

OFDM-Empfänger mit Ausgleichung von differenziellen Verzögerungen

Info

Publication number
DE69427415D1
DE69427415D1 DE69427415T DE69427415T DE69427415D1 DE 69427415 D1 DE69427415 D1 DE 69427415D1 DE 69427415 T DE69427415 T DE 69427415T DE 69427415 T DE69427415 T DE 69427415T DE 69427415 D1 DE69427415 D1 DE 69427415D1
Authority
DE
Germany
Prior art keywords
compensation
ofdm receiver
differential delays
delays
differential
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
DE69427415T
Other languages
English (en)
Other versions
DE69427415T2 (de
Inventor
Constant Paul Marie Joz Baggen
Arie Geert Cornelis Koppelaar
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.)
IPG Electronics 503 Ltd
Original Assignee
Koninklijke Philips Electronics NV
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 Koninklijke Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Publication of DE69427415D1 publication Critical patent/DE69427415D1/de
Application granted granted Critical
Publication of DE69427415T2 publication Critical patent/DE69427415T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • H04L27/2649Demodulators
    • H04L27/2653Demodulators with direct demodulation of individual subcarriers
    • 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/01Equalisers
    • 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
    • H04L27/2626Arrangements specific to the transmitter only
    • H04L27/2646Arrangements specific to the transmitter only using feedback from receiver for adjusting OFDM transmission parameters, e.g. transmission timing or guard interval length
    • 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
DE69427415T 1993-02-08 1994-02-02 OFDM-Empfänger mit Ausgleichung von differenziellen Verzögerungen Expired - Lifetime DE69427415T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP93200346 1993-02-08

Publications (2)

Publication Number Publication Date
DE69427415D1 true DE69427415D1 (de) 2001-07-19
DE69427415T2 DE69427415T2 (de) 2002-05-29

Family

ID=8213622

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69427415T Expired - Lifetime DE69427415T2 (de) 1993-02-08 1994-02-02 OFDM-Empfänger mit Ausgleichung von differenziellen Verzögerungen

Country Status (5)

Country Link
US (1) US5483529A (de)
JP (1) JP3392501B2 (de)
KR (1) KR100318142B1 (de)
DE (1) DE69427415T2 (de)
ES (1) ES2159540T3 (de)

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US7185352B2 (en) * 2001-05-11 2007-02-27 Intel Corporation Method and apparatus for combining broadcast schedules and content on a digital broadcast-enabled client platform
US20020194603A1 (en) * 2001-06-15 2002-12-19 Jay H. Connelly Method and apparatus to distribute content using a multi-stage broadcast system
US20030005465A1 (en) * 2001-06-15 2003-01-02 Connelly Jay H. Method and apparatus to send feedback from clients to a server in a content distribution broadcast system
US20030005451A1 (en) * 2001-06-15 2003-01-02 Connelly Jay H. Method and apparatus to distribute content descriptors in a content distribution broadcast system
US7047456B2 (en) * 2001-08-28 2006-05-16 Intel Corporation Error correction for regional and dynamic factors in communications
US20030061611A1 (en) * 2001-09-26 2003-03-27 Ramesh Pendakur Notifying users of available content and content reception based on user profiles
US20030066090A1 (en) * 2001-09-28 2003-04-03 Brendan Traw Method and apparatus to provide a personalized channel
US8943540B2 (en) * 2001-09-28 2015-01-27 Intel Corporation Method and apparatus to provide a personalized channel
US7209433B2 (en) * 2002-01-07 2007-04-24 Hitachi, Ltd. Channel estimation and compensation techniques for use in frequency division multiplexed systems
US7499392B2 (en) * 2002-05-15 2009-03-03 Thomson Licensing OFDM equalizer filter with shared multiplier
US7173991B2 (en) 2002-06-17 2007-02-06 Hitachi, Ltd. Methods and apparatus for spectral filtering channel estimates
US7120847B2 (en) * 2002-06-26 2006-10-10 Intellon Corporation Powerline network flood control restriction
US8149703B2 (en) * 2002-06-26 2012-04-03 Qualcomm Atheros, Inc. Powerline network bridging congestion control
US7826466B2 (en) * 2002-06-26 2010-11-02 Atheros Communications, Inc. Communication buffer scheme optimized for VoIP, QoS and data networking over a power line
US7139340B2 (en) * 2002-06-28 2006-11-21 Hitachi, Ltd. Robust OFDM carrier recovery methods and apparatus
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US7281187B2 (en) 2003-11-20 2007-10-09 Intellon Corporation Using error checking bits to communicated an address or other bits
US8090857B2 (en) 2003-11-24 2012-01-03 Qualcomm Atheros, Inc. Medium access control layer that encapsulates data from a plurality of received data units into a plurality of independently transmittable blocks
WO2005074164A1 (en) * 2004-01-28 2005-08-11 Koninklijke Philips Electronics N.V. Diversity system for transmitting a signal with sub-carriers
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US7715425B2 (en) * 2004-02-26 2010-05-11 Atheros Communications, Inc. Channel adaptation synchronized to periodically varying channel
US8041233B2 (en) * 2004-07-14 2011-10-18 Fundación Tarpuy Adaptive equalization in coherent fiber optic communication
US7580454B2 (en) 2004-07-14 2009-08-25 Fundacion Tarpuy Multidimensional decision-directed trained adaptive equalization
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Also Published As

Publication number Publication date
JPH06261019A (ja) 1994-09-16
JP3392501B2 (ja) 2003-03-31
KR100318142B1 (ko) 2002-03-20
KR940020799A (ko) 1994-09-16
ES2159540T3 (es) 2001-10-16
US5483529A (en) 1996-01-09
DE69427415T2 (de) 2002-05-29

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: IPG ELECTRONICS 503 LTD., ST. PETER PORT, GUER, GB

8328 Change in the person/name/address of the agent

Representative=s name: PATENTANWAELTE BRESSEL UND PARTNER, 12489 BERLIN

R082 Change of representative

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Country of ref document: EP

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