Single-precision ADC adaptive threshold quantification method based on large-scale MIMO
A technology of adaptive threshold and quantization method, which is applied in the field of adaptive threshold quantization of single-precision ADC based on massive MIMO, to achieve the effect of improving overall performance, improving accuracy and reducing complexity
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[0036] Below in conjunction with accompanying drawing, specific embodiment of the present invention is described in detail, but in the description of the present invention, it should be understood that, the described embodiment of the present invention is exemplary, and the specific parameter that appears in the description is only for It is convenient to describe the present invention, but should not be construed as a limitation of the present invention.
[0037] refer to figure 1 , considering a massive MIMO uplink multi-user transmission scenario model of a single cell, the number of antennas configured at the base station is M, serving K single-antenna users (M>>K), the M antennas are divided into G groups, each The antennas within the group have a strong correlation. On the base station side, each antenna is configured with a pair of single-precision ADCs for analog-to-digital conversion of I-channel and Q-channel signals. In an uplink transmission, the baseband signals...
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