Distribution of multicast data to users
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United States of America Patent
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Jun 28, 2011
Grant Date -
Sep 13, 2007
app pub date -
Sep 28, 2004
filing date -
Sep 29, 2003
priority date (Note) -
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status (Latency Note)
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Abstract
A method of multicasting a data file. The method includes transmitting a notification on an upcoming multicast transmission to a plurality of receivers (20) designated to receive the multicast transmission, tuning by at least one of the plurality of receivers (20) to one or more multicast channels, responsive to the notification, transmitting a data file, from a data server (42), on the one or more multicast channels, without the data server (42) receiving acknowledgements from the receivers (20) on whether they received the notification, determining receivers (20) designated to receive the multicast transmission that did not receive at least a portion of the data file; and attempting to deliver the data file to the determined receivers (20).
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