ADC bit allocation under bit constrained MU-massive MIMO systems
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United States of America
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Feb 4, 2020
Grant Date -
Mar 29, 2018
app pub date -
Sep 29, 2017
filing date -
Sep 29, 2017
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Abstract
A method includes determining an error vector magnitude for analog signals received by multiple antennas in an array of antennas of a base station, assigning quantization bits to a plurality of analog-to-digital converters (ADCs) of the base station such that some ADCs have different numbers of quantization bits allocated from a fixed total number of available quantization bits of the base station, and applying the analog signals to the ADCs with quantization bits assigned to reduce the error vector magnitude of the analog signals.
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