Point-to-multipoint mobile radio transmission
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United States of America Patent
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Jun 30, 2009
Grant Date -
Sep 30, 2004
app pub date -
Apr 5, 2004
filing date -
Aug 12, 1997
priority date (Note) -
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status (Latency Note)
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Abstract
A method of operating a mobile communication system supporting data transmission between a mobile station (MS) and a network in a number of different packet data protocols (PDPs) including a point-to-multipoint-multicast (PTM-M) protocol. PDP data is formatted and unformatted by a subnetwork dependent convergence protocol (SNDCP) according to the PDP of data. The PDP is identified to the SNDCP by a protocol identifier transmitted between the network and the mobile station. In order to allow a MS to receive a PTM-M in an IDLE state, a unique protocol identifier is permanently assigned to PTM-M transmissions whilst other identifiers are dynamically assigned to other PDPs by the network.
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