AT267492T - Mehrfachauflösungs-qam-system - Google Patents

Mehrfachauflösungs-qam-system

Info

Publication number
AT267492T
AT267492T AT93302369T AT93302369T AT267492T AT 267492 T AT267492 T AT 267492T AT 93302369 T AT93302369 T AT 93302369T AT 93302369 T AT93302369 T AT 93302369T AT 267492 T AT267492 T AT 267492T
Authority
AT
Austria
Prior art keywords
qam system
multiple dissolution
dissolution
multiple
qam
Prior art date
Application number
AT93302369T
Other languages
English (en)
Inventor
Mitsuaki Oshima
Original Assignee
Matsushita Electric Ind Co Ltd
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
Family has litigation
Priority to JP6793492 priority Critical
Priority to JP25607092 priority
Application filed by Matsushita Electric Ind Co Ltd filed Critical Matsushita Electric Ind Co Ltd
Publication of AT267492T publication Critical patent/AT267492T/de
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=26409144&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=AT267492(T) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.

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    • H03M13/03Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words
    • H03M13/23Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words using convolutional codes, e.g. unit memory codes
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    • H03M13/256Error detection or forward error correction by signal space coding, i.e. adding redundancy in the signal constellation, e.g. Trellis Coded Modulation [TCM] with trellis coding, e.g. with convolutional codes and TCM
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    • H04L27/00Modulated-carrier systems
    • H04L27/0014Carrier regulation
    • H04L2027/0024Carrier regulation at the receiver end
    • H04L2027/0026Correction of carrier offset
    • H04L2027/0036Correction of carrier offset using a recovered symbol clock
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/0014Carrier regulation
    • H04L2027/0044Control loops for carrier regulation
    • H04L2027/0053Closed loops
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/0014Carrier regulation
    • H04L2027/0044Control loops for carrier regulation
    • H04L2027/0063Elements of loops
    • H04L2027/0067Phase error detectors
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/30Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network, synchronizing decoder's clock; Client middleware
    • H04N21/44Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs
    • H04N21/4402Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display
    • H04N21/440263Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display by altering the spatial resolution, e.g. for displaying on a connected PDA
    • H04N21/440272Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display by altering the spatial resolution, e.g. for displaying on a connected PDA for performing aspect ratio conversion
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00Television systems
    • H04N7/015High-definition television systems
AT93302369T 1992-03-26 1993-03-26 Mehrfachauflösungs-qam-system AT267492T (de)

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Application Number Priority Date Filing Date Title
JP6793492 1992-03-26
JP25607092 1992-09-25

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AT267492T true AT267492T (de) 2004-06-15

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AT00114698T AT216817T (de) 1992-03-26 1993-03-26 Übertragung mit mehreren auflösungen bei mehrträgersignalen
AT00114695T AT214218T (de) 1992-03-26 1993-03-26 Übertragung mit mehreren auflösungen bei mehrträgersignalen
AT03009280T AT317192T (de) 1992-03-26 1993-03-26 Übertragung mit mehreren auflösungen
AT00114697T AT216816T (de) 1992-03-26 1993-03-26 Übertragung mit mehreren auflösungen, insbesondere bei mehrträgersignalen
AT00114692T AT214214T (de) 1992-03-26 1993-03-26 Übertragung mit mehreren auflösungen bei verwendung von mehrträgersignalen
AT03009288T AT453995T (de) 1992-03-26 1993-03-26 Mehrauflösungsübertragung
AT00114702T AT214216T (de) 1992-03-26 1993-03-26 Übertragung mit mehreren auflösungen, insbeseondere mit mehrtägersignalen
AT03009287T AT453994T (de) 1992-03-26 1993-03-26 Mehrauflösungsübertragung
AT00114694T AT216814T (de) 1992-03-26 1993-03-26 Übertragung mit mehreren auflösungen, insbesondere mit mehrträgersignalen
AT03009282T AT317193T (de) 1992-03-26 1993-03-26 Mehrauflösungsübertragung mit mehrträgermodulation
AT93302369T AT267492T (de) 1992-03-26 1993-03-26 Mehrfachauflösungs-qam-system
AT00114690T AT216813T (de) 1992-03-26 1993-03-26 Übertragung mit mehreren auflösungen sowie fehlerkorrigierende kodierung, bei mehrträgersignalen
AT00114696T AT216815T (de) 1992-03-26 1993-03-26 Übertragung mit mehreren auflösungen sowie fehlerkorrigierende kodierung, bei mehrträgermodulation
AT00114699T AT214215T (de) 1992-03-26 1993-03-26 Übertragung mit mehreren auflösungen sowie fehlerkorrigierende kodierung bei mehrträgermodulation
AT00114700T AT214217T (de) 1992-03-26 1993-03-26 Übertragung mit mehreren auflösungen und fehlerkorriegierende kodierung mit mehrträgersignalen
AT00114701T AT216818T (de) 1992-03-26 1993-03-26 Übertragung mit mehreren auflösungen sowie fehlerkorrigierende kodierung, bei mehrträgersignalen
AT01118510T AT458339T (de) 1992-03-26 1993-03-26 Empfänger mit mehrfachauflösung
AT00114693T AT216819T (de) 1992-03-26 1993-03-26 Übertragung mit mehreren auflösungen bei mehrträgersignalen
AT03009281T AT317617T (de) 1992-03-26 1993-03-26 Übertragung mit mehreren auflösungen sowie fehlerkorriegierende kodierung, bei mehrträgersignalen
AT00114689T AT216812T (de) 1992-03-26 1993-03-26 Übertragung mit mehreren auflösungen sowie fehlerkorrigierende kodierung, bei mehrträgersignalen

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AT00114698T AT216817T (de) 1992-03-26 1993-03-26 Übertragung mit mehreren auflösungen bei mehrträgersignalen
AT00114695T AT214218T (de) 1992-03-26 1993-03-26 Übertragung mit mehreren auflösungen bei mehrträgersignalen
AT03009280T AT317192T (de) 1992-03-26 1993-03-26 Übertragung mit mehreren auflösungen
AT00114697T AT216816T (de) 1992-03-26 1993-03-26 Übertragung mit mehreren auflösungen, insbesondere bei mehrträgersignalen
AT00114692T AT214214T (de) 1992-03-26 1993-03-26 Übertragung mit mehreren auflösungen bei verwendung von mehrträgersignalen
AT03009288T AT453995T (de) 1992-03-26 1993-03-26 Mehrauflösungsübertragung
AT00114702T AT214216T (de) 1992-03-26 1993-03-26 Übertragung mit mehreren auflösungen, insbeseondere mit mehrtägersignalen
AT03009287T AT453994T (de) 1992-03-26 1993-03-26 Mehrauflösungsübertragung
AT00114694T AT216814T (de) 1992-03-26 1993-03-26 Übertragung mit mehreren auflösungen, insbesondere mit mehrträgersignalen
AT03009282T AT317193T (de) 1992-03-26 1993-03-26 Mehrauflösungsübertragung mit mehrträgermodulation

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AT00114690T AT216813T (de) 1992-03-26 1993-03-26 Übertragung mit mehreren auflösungen sowie fehlerkorrigierende kodierung, bei mehrträgersignalen
AT00114696T AT216815T (de) 1992-03-26 1993-03-26 Übertragung mit mehreren auflösungen sowie fehlerkorrigierende kodierung, bei mehrträgermodulation
AT00114699T AT214215T (de) 1992-03-26 1993-03-26 Übertragung mit mehreren auflösungen sowie fehlerkorrigierende kodierung bei mehrträgermodulation
AT00114700T AT214217T (de) 1992-03-26 1993-03-26 Übertragung mit mehreren auflösungen und fehlerkorriegierende kodierung mit mehrträgersignalen
AT00114701T AT216818T (de) 1992-03-26 1993-03-26 Übertragung mit mehreren auflösungen sowie fehlerkorrigierende kodierung, bei mehrträgersignalen
AT01118510T AT458339T (de) 1992-03-26 1993-03-26 Empfänger mit mehrfachauflösung
AT00114693T AT216819T (de) 1992-03-26 1993-03-26 Übertragung mit mehreren auflösungen bei mehrträgersignalen
AT03009281T AT317617T (de) 1992-03-26 1993-03-26 Übertragung mit mehreren auflösungen sowie fehlerkorriegierende kodierung, bei mehrträgersignalen
AT00114689T AT216812T (de) 1992-03-26 1993-03-26 Übertragung mit mehreren auflösungen sowie fehlerkorrigierende kodierung, bei mehrträgersignalen

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US (7) US5819000A (de)
EP (21) EP1039677B1 (de)
JP (15) JP3109552B2 (de)
KR (1) KR960002468B1 (de)
CN (1) CN1032099C (de)
AT (20) AT216817T (de)
AU (1) AU655539B2 (de)
CA (4) CA2331203C (de)
DE (35) DE69331669T2 (de)
DK (20) DK1039679T3 (de)
ES (20) ES2337033T3 (de)
PT (20) PT1330088E (de)

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