Apparatus and method for detecting signal in wireless communication system
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United States of America Patent
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Aug 26, 2014
Grant Date -
Jun 23, 2011
app pub date -
Dec 10, 2010
filing date -
Dec 18, 2009
priority date (Note) -
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status (Latency Note)
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Abstract
The apparatus includes a radio frequency (RF) unit configured to arrange a plurality of symbols received through an antenna at a frequency domain, an analog to digital (AD) converter configured to converts the plurality of symbols arranged at the frequency domain to digital symbols, a fast Fourier transform (FFT) unit configured to transform the digital symbols through a fast Fourier transform scheme, a compensator configured to compensate a gain mismatch between an I-channel and a Q-channel of the transformed digital symbols, a mapping unit configured to the compensated digital symbols to a constellation diagram, and a detector configured to correlate the mapped symbols, extract correlation results, and detect a high throughput (HT) signal using the extracted correlation results.
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