DE69322785T2 - Ubertragungssystem fur digitalsignale mit frequenzmultiplex - Google Patents

Ubertragungssystem fur digitalsignale mit frequenzmultiplex

Info

Publication number
DE69322785T2
DE69322785T2 DE69322785T DE69322785T DE69322785T2 DE 69322785 T2 DE69322785 T2 DE 69322785T2 DE 69322785 T DE69322785 T DE 69322785T DE 69322785 T DE69322785 T DE 69322785T DE 69322785 T2 DE69322785 T2 DE 69322785T2
Authority
DE
Germany
Prior art keywords
transmission system
digital signals
frequency multiplex
multiplex
frequency
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
DE69322785T
Other languages
English (en)
Other versions
DE69322785D1 (de
Inventor
Peter Shelswell
Mark Charles Dobell Maddocks
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.)
British Broadcasting Corp
Original Assignee
British Broadcasting Corp
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 British Broadcasting Corp filed Critical British Broadcasting Corp
Publication of DE69322785D1 publication Critical patent/DE69322785D1/de
Application granted granted Critical
Publication of DE69322785T2 publication Critical patent/DE69322785T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • H04L1/0059—Convolutional 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
    • 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
    • H04L27/2614—Peak power aspects
    • H04L27/2621—Reduction thereof using phase offsets between subcarriers
    • 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
    • H04L27/2614—Peak power aspects
    • H04L27/2623—Reduction thereof by clipping
    • 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
    • H04L27/2626—Arrangements specific to the transmitter only
    • H04L27/2627—Modulators
    • H04L27/2634—Inverse fast Fourier transform [IFFT] or inverse discrete Fourier transform [IDFT] modulators in combination with other circuits for modulation
DE69322785T 1992-09-07 1993-09-06 Ubertragungssystem fur digitalsignale mit frequenzmultiplex Expired - Lifetime DE69322785T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB929218874A GB9218874D0 (en) 1992-09-07 1992-09-07 Improvements relating to the transmission of frequency division multiplex signals
PCT/GB1993/001884 WO1994006231A1 (en) 1992-09-07 1993-09-06 Digital signal transmission system using frequency division multiplex

Publications (2)

Publication Number Publication Date
DE69322785D1 DE69322785D1 (de) 1999-02-04
DE69322785T2 true DE69322785T2 (de) 1999-05-20

Family

ID=10721500

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69322785T Expired - Lifetime DE69322785T2 (de) 1992-09-07 1993-09-06 Ubertragungssystem fur digitalsignale mit frequenzmultiplex

Country Status (7)

Country Link
US (1) US5610908A (de)
EP (1) EP0658295B1 (de)
JP (1) JPH08501195A (de)
AU (1) AU4975493A (de)
DE (1) DE69322785T2 (de)
GB (2) GB9218874D0 (de)
WO (1) WO1994006231A1 (de)

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Also Published As

Publication number Publication date
GB2270819A (en) 1994-03-23
EP0658295A1 (de) 1995-06-21
EP0658295B1 (de) 1998-12-23
DE69322785D1 (de) 1999-02-04
GB9218874D0 (en) 1992-10-21
US5610908A (en) 1997-03-11
GB9318430D0 (en) 1993-10-20
JPH08501195A (ja) 1996-02-06
AU4975493A (en) 1994-03-29
GB2270819B (en) 1996-07-31
WO1994006231A1 (en) 1994-03-17

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