Method and apparatus for power control in full-duplex wireless systems with simultaneous transmission reception
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United States of America Patent
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Oct 14, 2014
Grant Date -
Mar 20, 2014
app pub date -
Sep 20, 2012
filing date -
Sep 20, 2012
priority date (Note) -
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Abstract
Wireless-device-to-wireless device (WD-WD) interference in a full-duplex wireless network is managed by an uplink transmit power control technique that minimizes interference experienced in downlink signals at other wireless devices in the wireless network. In one exemplary embodiment, an instantaneous antenna gain of the wireless device and a target uplink Signal-to-Interference-plus-Noise Ratio (SINR) of an uplink signal of the wireless device to the home base station are determined at the wireless device. A Noise plus Interference level at the home base station is received by either a closed-loop or an open-loop feedback technique. The uplink power level for an uplink signal of the wireless device is determined based on the determined antenna gain, the determined target uplink SINR and the received Noise plus Interference level at the home base station.
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