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cs.IT2025
Low Complexity Detector for XL-MIMO Uplink: A Cross Splitting Based Information Geometry Approach
Wenjun Zhang, An-An Lu, Xiqi Gao
In this paper, we propose the cross splitting based information geometry approach (CS-IGA), a novel and low complexity iterative detector for uplink signal recovery in extralarge-s…
cs.IT2025
Symplectic Optimization for Cross Subcarrier Precoder Design with Channel Smoothing in Massive MIMO-OFDM System
Yuxuan Zhang, An-An Lu, Xiqi Gao
In this paper, we propose a cross subcarrier precoder design (CSPD) for massive multiple-input multiple-output (MIMO) orthogonal frequency division multiplexing (OFDM) systems. The…