Tracking received power in wireless communications
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United States of America Patent
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Oct 25, 2016
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N/A
app pub date -
Dec 13, 2013
filing date -
Dec 17, 2012
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Abstract
A plurality of signal transmissions, transmitted using a plurality of transmit powers, are received at a receiver over a communication channel. Each transmit power shares a common transmit power term unknown to the receiver and a signal-specific power offset known to the receiver. The received power is measured at the receiver. A corresponding known power offset is subtracted from the measured received signal power, resulting in a corresponding estimate of the common unknown power term. This results in a plurality of estimates of the common transmit power term. A refined common transmit power term is estimated from the plurality of estimates of the common transmit power term. A plurality of refined measured received signal powers are estimated by adding the plurality of signal-specific power offsets to the refined common power term. Based on the refined common transmit power term, a functionality of the wireless communication system is adapted.
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