Technique for determining an angle of arrival in a communication system
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United States of America Patent
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Jun 26, 2012
Grant Date -
Oct 14, 2010
app pub date -
Sep 2, 2008
filing date -
Oct 30, 2007
priority date (Note) -
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Abstract
Embodiments of a circuit are described. In this circuit, a transmit circuit provides signals to antenna elements during an acquisition mode, where a given signal to a given antenna element includes at least two frequency components having associated phases, and where the phase of a given frequency component in the given signal is different from phases of the given frequency component for the other antenna elements. Moreover, an output node couples the transmit circuit to the antenna elements that transmit the signals. Note that these signals establish an angle of a communication path between the circuit and another circuit.
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