System and method for antenna diversity using equal power joint maximal ratio combining
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United States of America Patent
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Jul 17, 2007
Grant Date -
Sep 29, 2005
app pub date -
Mar 15, 2004
filing date -
Mar 1, 2002
priority date (Note) -
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Abstract
An equal gain composite beamforming technique which constrains that the power of the signal output by each antenna is the same, and is equal to the total power of the transmit signal divided by the number N of transmit antennas from which the signal is to be transmitted. By reducing output power requirements for each power amplifier, the silicon area of the power amplifiers are reduced by as much as N times (where N is equal to the number of transmit antennas) relative to a non-equal gain CBF.
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