Mobile communication system and load distribution method of multiple frequencies in the same
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United States of America Patent
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-
Aug 12, 2008
Grant Date -
Dec 11, 2003
app pub date -
Jun 10, 2003
filing date -
Jun 11, 2002
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A radio network controller 11 for controlling a base station in a CDMA or W-CDMA mobile communication system includes a state measurement part 21, a call control processing part 31, and a frequency load distribution processing part 41. The frequency load distribution processing part 41 is provided with a frequency state change processing 42 for updating each frequency's state data 44 and next assignment management data 45 by referring a frequency state change notice notified when a state is changed by call control, and frequency assignment control processing 43 for selecting a frequency by referring to the updated next assignment management data and for returning a frequency assignment response, in response to a frequency assignment request transmitted from the call control processing part. With this constitution, load distribution of multiple frequencies is achieved by deriving a next assigned frequency on the basis of operating states of each frequency.
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