DE69521033D1 - Verfahren und vorrichtung für am verträglichen digitalrundfunk - Google Patents

Verfahren und vorrichtung für am verträglichen digitalrundfunk

Info

Publication number
DE69521033D1
DE69521033D1 DE69521033T DE69521033T DE69521033D1 DE 69521033 D1 DE69521033 D1 DE 69521033D1 DE 69521033 T DE69521033 T DE 69521033T DE 69521033 T DE69521033 T DE 69521033T DE 69521033 D1 DE69521033 D1 DE 69521033D1
Authority
DE
Germany
Prior art keywords
modulated
broadcasting
signal
frequency spectrum
carrier
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
DE69521033T
Other languages
English (en)
Other versions
DE69521033T2 (de
Inventor
James Dapper
Joseph Geile
Walter Carlin
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.)
Ibiquity Digital Corp
Original Assignee
Ibiquity Digital 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 Ibiquity Digital Corp filed Critical Ibiquity Digital Corp
Publication of DE69521033D1 publication Critical patent/DE69521033D1/de
Application granted granted Critical
Publication of DE69521033T2 publication Critical patent/DE69521033T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q1/00—Details of selecting apparatus or arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
    • H04H20/28—Arrangements for simultaneous broadcast of plural pieces of information
    • H04H20/36—Arrangements for simultaneous broadcast of plural pieces of information for AM broadcasts
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/02—Transmitters
    • H04B1/04—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
    • H04L27/2602—Signal structure
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/02—Channels characterised by the type of signal
    • H04L5/023—Multiplexing of multicarrier modulation signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H2201/00—Aspects of broadcast communication
    • H04H2201/10—Aspects of broadcast communication characterised by the type of broadcast system
    • H04H2201/18—Aspects of broadcast communication characterised by the type of broadcast system in band on channel [IBOC]
    • H04H2201/186—AM digital or hybrid
    • 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
    • H04L27/2602—Signal structure
    • H04L27/26035—Maintenance of orthogonality, e.g. for signals exchanged between cells or users, or by using covering codes or sequences
DE69521033T 1994-03-07 1995-02-27 Verfahren und vorrichtung für am verträglichen digitalrundfunk Expired - Lifetime DE69521033T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/206,368 US5588022A (en) 1994-03-07 1994-03-07 Method and apparatus for AM compatible digital broadcasting
PCT/US1995/002408 WO1995024781A1 (en) 1994-03-07 1995-02-27 Method and apparatus for am compatible digital broadcasting

Publications (2)

Publication Number Publication Date
DE69521033D1 true DE69521033D1 (de) 2001-06-28
DE69521033T2 DE69521033T2 (de) 2001-11-08

Family

ID=22766069

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69521033T Expired - Lifetime DE69521033T2 (de) 1994-03-07 1995-02-27 Verfahren und vorrichtung für am verträglichen digitalrundfunk

Country Status (15)

Country Link
US (1) US5588022A (de)
EP (1) EP0749650B1 (de)
JP (2) JP4269003B2 (de)
KR (1) KR100342286B1 (de)
CN (2) CN1143463C (de)
AT (1) ATE201540T1 (de)
AU (1) AU687198B2 (de)
BR (1) BR9507009A (de)
CA (1) CA2185003C (de)
DE (1) DE69521033T2 (de)
MX (1) MX9603971A (de)
NZ (1) NZ300094A (de)
RU (1) RU2140708C1 (de)
TW (1) TW256972B (de)
WO (1) WO1995024781A1 (de)

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Also Published As

Publication number Publication date
JP4269003B2 (ja) 2009-05-27
EP0749650A1 (de) 1996-12-27
KR970701977A (ko) 1997-04-12
CA2185003A1 (en) 1995-09-14
CA2185003C (en) 2005-01-04
JP4269014B2 (ja) 2009-05-27
BR9507009A (pt) 1997-09-16
AU2374595A (en) 1995-09-25
ATE201540T1 (de) 2001-06-15
WO1995024781A1 (en) 1995-09-14
DE69521033T2 (de) 2001-11-08
NZ300094A (en) 1998-01-26
EP0749650B1 (de) 2001-05-23
US5588022A (en) 1996-12-24
RU2140708C1 (ru) 1999-10-27
CN100358271C (zh) 2007-12-26
CN1496034A (zh) 2004-05-12
JP2008125088A (ja) 2008-05-29
CN1146835A (zh) 1997-04-02
JPH10500810A (ja) 1998-01-20
AU687198B2 (en) 1998-02-19
TW256972B (de) 1995-09-11
MX9603971A (es) 1998-11-30
CN1143463C (zh) 2004-03-24
KR100342286B1 (ko) 2002-11-29

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Legal Events

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