Oscillators – Beat frequency – Plural beating
Reexamination Certificate
2007-12-18
2007-12-18
Mis, David (Department: 2817)
Oscillators
Beat frequency
Plural beating
C455S314000
Reexamination Certificate
active
11386696
ABSTRACT:
A frequency synthesizer in an ultra wide band (UWB) wireless communication system which transmits and receives data through multiband includes a frequency generation means which generates a plurality of frequency signals; and a frequency adjustment means which receives the plurality of frequency signals from the frequency generation means and generates center frequencies of all or part of sub-bands within the UWB through the frequency adjustment. Since all of the center frequencies of the sub-bands are generated, the utilization of the sub-bands can be enhanced for the wideband wireless communication. Furthermore, it is possible to enable the stable UWB communications by flexibly utilizing all of fourteen sub-bands since the sub-bands suffer less from the frequency interference in a complicated and variable wireless frequency environment.
REFERENCES:
patent: 7092645 (2006-08-01), Sternowski
patent: 2004/0017841 (2004-01-01), Siwiak
Cha Choong-yul
Kim Hoon-tae
Mis David
Sughrue Mion Pllc.
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