Abstract: This paper investigates a reconfigurable intelligent surface (RIS)-aided multi-user multiple-input multiple-output (MIMO) system by considering only the statistical channel state information ...
# You are given a 1-indexed integer array nums of length n. # An element nums[i] of nums is called special if i divides n, i.e. n % i == 0. # Return the sum of the squares of all special elements of ...
Abstract: In this letter, we investigate the physical-layer security of an active reconfigurable intelligent surface (ARIS)-assisted uplink single-input multi-output non-orthogonal multiple access ...
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