Methods, devices and software programs for adapting uplink signaling during multicasting
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United States of America Patent
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Jul 7, 2015
Grant Date -
Oct 21, 2004
app pub date -
Jul 9, 2002
filing date -
Aug 7, 2001
priority date (Note) -
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Abstract
In a method for adapting uplink signaling during multicasting, the user devices of a multicast group receive a multicast message from a network control unit via a radio channel (PMcCH) in a downlink connection. The radio channel is adapted with respect to its power by transmitting information in an uplink connection via a corresponding radio channel (UL-DPCCH). The radio channel (UL-DPCCH) is power-controlled via at least one associated common radio channel (DL-PMcCH) that is associated with one or more of the user devices by transmitting corresponding information in the downlink direction from the network control unit to the user devices. The information is then processed by the receiving user devices to adapt the power of the respective associated radio channels (UL-DPCCH) in the uplink direction.
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