| US 7,499,475 B2 | ||
| Broadcast station, base station control device, receiver, control method, receiving method, broadcast system, reception program, transmission program, distribution program, and storage medium | ||
| Hiroki Kashiwagi, Chiba (Japan); and Go Matsubara, Chiba (Japan) | ||
| Assigned to Sharp Kabushiki Kaisha, Osaka (Japan) | ||
| Filed on Sep. 22, 2005, as Appl. No. 11/231,869. | ||
| Claims priority of provisional application 60/714951, filed on Sep. 08, 2005. | ||
| Prior Publication US 2007/0053332 A1, Mar. 08, 2007 | ||
| Int. Cl. H04Q 7/00 (2006.01) | ||
| U.S. Cl. 370—538 [370/390; 370/328; 370/331; 370/340] | 43 Claims |
| 1. A base station control device for distributing data to a receiver which receives, via a dedicated forward link channel,
a plurality of first contents data broadcast from a broadcast station,
said base station control device comprising:
selecting means for selecting part of the first contents data;
second contents data acquiring or generating means for acquiring or generating second contents data having contents of each
of the first contents data selected by the selecting means; and
distributing means for multicasting, to the receiver, the second contents data acquired or generated by the second contents
data acquiring or generating means, the second contents data being multicast using a channel different from the dedicated
forward link channel, and
wherein the receiver includes:
contents designating means for designating one of the plurality of first contents data;
reproducing means for reproducing the plurality of first contents data or the second contents data; and reproduced contents
switching means for causing the reproducing means to reproduce (i) the first contents data designated by the contents designating
means if the reception quality determining means determines the reception quality to be good, (ii) the first contents data
designated by the contents designating means if the reception quality determining means determines the reception quality to
be no good and if a receiving means has not received second contents data corresponding to the first contents data designated
by the contents designating means, and (iii) second contents data corresponding to the first contents data designated by the
contents designating means, if the reception quality determining means determines the reception quality to be no good and
if the receiving means has received the second contents data designated by the contents designating means.
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