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We propose uplink power control (PC) methods for massive multiple-inputmultiple-output systems with 1-bit analog-to-digital converters, which arespecifically tailored to address the non-monotonic data detection performancewith respect to the transmit power of the user equipment (UE). Considering asingle UE, we design a multi-amplitude pilot sequence to capture theaforementioned non-monotonicity, which is utilized at the base station toderive UE transmit power adjustments via single-shot or differential powercontrol (DPC) techniques. Both methods enable closed-loop uplink PC usingdifferent feedback approaches. The single-shot method employs one-timemulti-bit feedback, while the DPC method relies on continuous adjustments with1-bit feedback. Numerical results demonstrate the superiority of the proposedschemes over conventional closed-loop uplink PC techniques.

Pilot-Based Uplink Power Control in Single-UE Massive MIMO Systems With 1-Bit ADCs