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Title:
BROADCAST COMMUNICATION UNIT FOR BROADCASTING DISTRIBUTION INTERACTIVE TYPE SERVICE IN ACCESS NETWORK
Document Type and Number:
Japanese Patent JP2000332796
Kind Code:
A
Abstract:

To provide a broadcast communication unit and an access network with a higher efficiency, where an interactive type distribution service is broadcast.

In an access network, where interactive distribution service channels TV1, TV2, are broadcast, user terminals UT1, UT2, UT3 transmit 1st type request information to a broadcast communication unit BCU2 near the subscriber to indicate request channels TV1, TV6. In the case that one TV6 of the requested channels is not available at the input of the broadcast communication unit BCU2, the broadcast communication unit BCU2 generates 2nd type request information which denotes the unavailable requested channel TV6 and transmits this 2nd type request information to a central broadcast communication unit BCU1.


Inventors:
DEKEYSER MIEK
Application Number:
JP2000000075703
Publication Date:
November 30, 2000
Filing Date:
March 17, 2000
Export Citation:
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Assignee:
CIT ALCATEL
International Classes:
H04N7/173; (IPC1-7): H04L12/28; H04L12/18; H04N7/173
Domestic Patent References:
JPH07240912A1995-09-12
JPH09191309A1997-07-22
JPH10200536A1998-07-31
JPH1063598A1998-03-06
JPH07202832A1995-08-04
JPH07322236A1995-12-08
Attorney, Agent or Firm:
川口 義雄 (外3名)