Wireless modem and noise cancellation method for the same
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United States of America Patent
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Jan 29, 2013
Grant Date -
Nov 25, 2010
app pub date -
May 18, 2010
filing date -
May 19, 2009
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A wireless modem and noise cancellation method for the same for noise cancellation effectively cancels a noise signal induced from a device to which the wireless modem is connected. A primary antenna receives a radio signal that includes a first noise signal coming from a device to which the wireless modem is connected; a secondary antenna receives a second noise signal from the connected device; a noise signal adjuster for adjusting the second noise signal received by the secondary antenna using a correlation parameter between noise signals received by the primary antenna and the secondary antenna; and a noise remover subtracts the noise signal adjusted by the noise signal adjuster from the radio signal received by the primary antenna.
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