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Title:
APPARATUS AND METHOD FOR TRANSMITTING AND RECEIVING MULTICAST DATA
Document Type and Number:
Japanese Patent JP3686651
Kind Code:
B2
Abstract:

PROBLEM TO BE SOLVED: To provide an apparatus and a method for efficiently transmitting and receiving multicast data by radio.
SOLUTION: The apparatus for transmitting the multicast data by radio is provided with a stream generating part for generating a plurality of multicast streams corresponding to a prescribed data rate by dividing multicast data having a scalable data structure corresponding to a data rate receivable for a number of external receivers, an encoding processing part for respectively encoding the plurality of multicast streams, a header processing part for generating headers respectively corresponding to the encoded multicast streams and modulating them at the prescribed data rate, a stream modulating part for modulating a plurality of encoded multicast streams at a corresponding data rate, and a frame generating part for generating one or more transmission frames by adding the modulated headers to the modulated multicast streams.


Inventors:
Yellow
Application Number:
JP2002333006A
Publication Date:
August 24, 2005
Filing Date:
November 18, 2002
Export Citation:
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Assignee:
Samsung Electronics Co.,Ltd.
International Classes:
H04L12/18; H04L12/28; H04L27/00; H04L27/18; H04L27/20; H04L45/16; H04W4/06; H04W28/02; H04W72/04; H04W74/04; H04W84/12; H04L1/00; (IPC1-7): H04L27/18; H04L12/28; H04L12/56; H04L27/00; H04L27/20; H04L29/08
Domestic Patent References:
JP2000332751A
JP8314821A
JP7212334A
Attorney, Agent or Firm:
Isono Dozo