SIGNAL INTERFACING TECHNIQUES TO SIMPLIFY INTEGRATED CIRCUIT RADIO DESIGNS
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United States of America Patent
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app pub date -
Apr 22, 2011
filing date -
May 30, 2003
priority date (Note) -
Abandoned
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Abstract
A signal interfacing technique for connecting signals between a signal processing device and a MIMO radio integrated circuit (IC) involving multiplexing two or more signals on a connection pin between the radio IC and a signal processing device. According to one technique, transmit and receive signals are multiplexed such that during a transmit mode a transmit signal is coupled on the connection pin from the signal processing device to the radio IC, and during a receive mode a receive signal is coupled from the radio IC on the connection pin to the signal processing device. According to another technique, in-phase (I) and quadrature (Q) signals are multiplexed on a connection pin during both transmit and receive modes.
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