Optimizing the analog bit function in a diversity radio receiver by varying the relative attenuation level between two channels after optimizing the relative phase between the two channels
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United States of America Patent
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Jan 2, 1996
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N/A
app pub date -
May 21, 1993
filing date -
May 25, 1992
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Abstract
A radio link for a digital radio transmission system having spatial and/or angular diversity is optimized in real time by first varying the relative phase .phi. between the two channels to locate an absolute minimum of the analog bit error rate function BER.sub.n (.phi.) with both channels having the same nominal attenuation level, and then by unbalancing the relative attenuation level T of the two channels in order to optimize the dispersion Ban.sub.n (T) of the recombined data spectrum while holding the relative phase at its previously optimized value.
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