DETECTOR AND METHOD FOR DETECTING IQ SWAP
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United States of America Patent
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Issued Date -
Apr 14, 2016
app pub date -
Nov 18, 2014
filing date -
Oct 8, 2014
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Abandoned
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Abstract
A detector and a method for detecting IQ swap are provided. The detector includes a first correlator, a second correlator and a comparator. The first correlator calculates a first correlation value between a received symbol stream and a first conjugated symbol stream. The received symbol stream is generated by a transmission of a known symbol stream through a transmission channel. The first conjugated symbol stream is conjugate complex of the known symbol stream. The second correlator calculates a second correlation value between the first conjugated symbol stream and a second conjugated symbol stream. The second conjugated symbol stream is conjugate complex of the received symbol stream. In accordance with a relationship between the first and second correlation values, the comparator determines whether an in-phase component and a quadrature component in the received symbol stream have been swapped.
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