Apparatus and method for frequency shifting of a wireless signal and systems using frequency shifting
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United States of America Patent
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Aug 20, 2013
Grant Date -
Sep 20, 2012
app pub date -
Apr 5, 2012
filing date -
Jan 11, 2006
priority date (Note) -
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Abstract
Coverage for a wireless network is improved using a frequency shifting scheme. A wireless signal in a frequency band is shifted to another band, and carried in the shifted band to another location where the signal is shifted back to the original frequency band. The frequency shifting may utilize frequency shifting schemes such as mixer/filter and heterodyne. The wireless signal can be frequency shifted by converting it to other representing signals (such as I/Q components) and forming the frequency-shifted signal from the representations. The transmission medium may use dedicated wiring or existing service wiring in a residence or building, including LAN, telephone, AC power and CATV wiring. The system may be enclosed as a stand-alone unit, housed in integrated form as part of a service outlet or as a snap-on/plug-in module.
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