Combined communications system, prohibiting-signal transmitting apparatus, wireless base station, and method
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United States of America Patent
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May 15, 2012
Grant Date -
Apr 16, 2009
app pub date -
Oct 1, 2008
filing date -
Oct 10, 2007
priority date (Note) -
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Abstract
A prohibiting-signal transmitting apparatus for use in a combined system such that there is at least a partial overlap between bands allocated to an old communications system and bands allocated to a new communications system is disclosed. The apparatus includes a unit which monitors for a band-in-use, over which communications are actually being conducted, out of the bands allocated to the old communications system; a unit which generates a prohibiting signal indicating that the band-in-use should not be used in the new communications system; and a unit which transmits the prohibiting signal to a communications apparatus of the new communications system.
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