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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app pub date -
Jun 18, 2013
filing date -
Jan 11, 2006
priority date (Note) -
Abandoned
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Abstract
A wireless signal in a frequency band is shifted to another distinct band, and carried in the shifted band to another location, wherein the wireless signal is shifted back to the original frequency band. The frequency shifting can employ conventional frequency shifting schemes such as mixer/filter and heterodyne. In one embodiment the wireless signal is frequency shifted by converting it to other representing signals (such as I/Q components) and forming the frequency-shifted signal from the representations. The system is may be used to increase in-door or outdoor coverage, as well as bridging between in-door and outdoor networks. The medium may use dedicated wiring or existing service wiring in a residence or building, including LAN, telephone, AC power and CATV wiring. The system can 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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