Antenna selection scheme for multiple antennae
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United States of America Patent
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Apr 9, 2013
Grant Date -
Mar 19, 2009
app pub date -
Sep 17, 2007
filing date -
Sep 17, 2007
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Techniques to select an antenna from a plurality of antennae used for wireless communications are described. A first embodiment of the techniques is a method to select an antenna from a plurality of antennae. The method includes monitoring at least one antenna during a fraction of at least one preamble period of a frame to derive at least one quality indicator corresponding to the antenna; storing the quality indicator derived from monitoring the antenna during the fraction of the preamble period of a frame; and selectively switching to a selected antenna after a number of frames, based on the quality indicator. A second embodiment is another method to select an antenna from a plurality of antennae. These embodiments can be applied in several wireless communication applications using multiple antennae.
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