6 papers · 1 filter
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…
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…
An Information Geometry Interpretation for Approximate Message Passing
Bingyan Liu, An-An Lu, Mingrui Fan +2
In this paper, we propose an information geometry (IG) framework to solve the standard linear regression problem. The proposed framework is an extension of the one for computing th…
Interference Cancellation Information Geometry Approach for Massive MIMO Channel Estimation
An-An Lu, Bingyan Liu, Xiqi Gao
In this paper, the interference cancellation information geometry approaches (IC-IGAs) for massive MIMO channel estimation are proposed. The proposed algorithms are low-complexity…
Efficient Information Geometry Approach for Massive MIMO-OFDM Channel Estimation
Jiyuan Yang, Yan Chen, Mingrui Fan +6
We investigate the channel estimation for massive multiple-input multiple-output orthogonal frequency division multiplexing (MIMO-OFDM) systems. We revisit the information geometry…
Precoder Design for Massive MIMO Downlink with Matrix Manifold Optimization
Rui Sun, Chen Wang, An-An Lu +2
We investigate the weighted sum-rate (WSR) maximization linear precoder design for massive multiple-input multiple-output (MIMO) downlink. We consider a single-cell system with mul…