Multiplex communications – Data flow congestion prevention or control – Flow control of data transmission through a network
Reexamination Certificate
2002-06-26
2008-11-04
Kizou, Hassan (Department: 2619)
Multiplex communications
Data flow congestion prevention or control
Flow control of data transmission through a network
C370S329000, C370S432000, C370S437000, C370S465000, C455S445000, C709S239000
Reexamination Certificate
active
07447156
ABSTRACT:
A method minimizes use of radio spectrum in communication delivery, where a multicast data packet is sent to at least one multicast group member via a radio access router controlling radio resources. The router determines a first cost of delivery of the multicast data packet as a multicast delivery to each active multicast group member and determines and compares the costs of a cell broadcast delivery and a delivery using dedicated channels. Based on the comparison, multicast packet delivery uses the cheapest applicable of the following delivery methods i) multicast data packet transmission to each active member of the multicast group using dedicated channel(s), ii) multicast data packet transmission to each active member of the multicast group using cell broadcast channel, or iii) multicast data packet transmission to some of the multicast group members using cell broadcast channel and to some of the group members using dedicated channels.
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Kizou Hassan
Nokia Corporation
O'Connor Brian T.
Pillsbury Winthrop Shaw & Pittman LLP
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