Method of controlling mobile communication system, control device, and mobile communication system
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United States of America Patent
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Nov 3, 2009
Grant Date -
Feb 15, 2007
app pub date -
Jul 27, 2006
filing date -
Aug 9, 2005
priority date (Note) -
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status (Latency Note)
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Abstract
A mobile communication system controls switching a transmission diversity system for each channel, and improves the quality of the channel. When the channel type in an uplink is a channel for transmitting voice, open loop transmission diversity is used (steps S1.fwdarw.S3). When the channel type in an uplink is a channel for transmitting a packet, closed loop transmission diversity is used (steps S1.fwdarw.S2). Since the open loop transmission diversity or the closed loop transmission diversity which ever is more appropriate can be used, a transmission diversity system can be appropriately switched for each channel, thereby improving the quality of the channel.
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