RFIC ARCHITECTURE FOR MULTI-STREAM REMOTE RADIO HEAD APPLICATION
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United States of America Patent
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Feb 18, 2016
app pub date -
Jul 3, 2015
filing date -
Aug 15, 2014
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Abstract
One embodiment of the present invention provides a remote radio head (RRH) for a wireless communication system. The RRH includes a first integrated circuit (IC) chip that comprises multiple functional blocks and a second IC chip that comprises at least an up-converter and a down-converter. The multiple functional blocks include at least a processing unit, a digital-to-analog converter (DAC), and an analog-to-digital converter (ADC). The up-converter is configured to convert an intermediate frequency (IF) signal received from the first IC chip to the radio frequency (RF) domain, and the down-converter is configured to convert an RF signal received from an antenna to an IF signal to be sent to the first IC chip.
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