Feedback control in an FDD TDD-CDMA system
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United States of America Patent
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Aug 30, 2011
Grant Date -
Jul 3, 2008
app pub date -
Dec 27, 2006
filing date -
Dec 27, 2006
priority date (Note) -
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Abstract
Active control feedback between a base station and user equipment in a wireless communications network is achieved by allocating a first time slot within a frame for a UE to transmit a beacon signal to the base station, where the beacon signal is separate from data signals in the frame, allocating a second time slot within the frame for the base station to transmit a control signal in response to the beacon signal, and allocating other timeslots for the base station to operate in full duplex FDD mode. The control signal provides a basis upon which the UE adjusts a transmission parameter, such as power.
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