Abstract: This paper investigates near-field extremely large-scale multiple-input multiple-output (XL-MIMO) systems with sparse uniform planar arrays (UPAs). Based on the Green’s function-based ...
Prompts the user for a positive integer input and validates it. The function will continue to prompt the user until a valid input is received. print("Invalid input ...
Prompts the user for a positive integer input (0< n < 100) and validates it. The function will continue to prompt the user until a valid input is received.
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