Signal receiving device, communication system and signal receiving method
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United States of America Patent
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Issued Date -
Jul 11, 2024
app pub date -
Jan 6, 2023
filing date -
Jan 6, 2023
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Abstract
The invention relates to a signal receiving device, a communication system and a signal receiving method, wherein the signal receiving device is provided with a receiving mode Block, the filter, the second filter, frequency offset estimation and frequency offset compensation module, receiving signal by receiving module, and then the first filter to filter to get the first signal of communication signals, the second filter to filter to get the second signal of communication signals, whose second filter band width less than the first frequency bandwidth of the filter, So because of the second filter band width is narrower, the second signal noise less than the first signal of noise, therefore the frequency offset estimation module through to the second signal frequency offset estimation, the deviation estimates more accurate, final deviation compensation module based on the frequency offset estimation value of the first signal compensation precision is higher.
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