activity
20162025
most citedFree Deterministic Equivalents for the Analysis of MIMO Multiple Access Channel

73 citations · 138 across the 12 of their papers we have counts for

collaborators

13 papers

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…

eess.SP2025

Precoder Design for User-Centric Network Massive MIMO: A Symplectic Optimization Approach

Pengxu Lin, An-An Lu, Xiqi Gao

In this paper, we utilize symplectic optimization to design a precoder for user-centric network (UCN) massive multiple-input multiple-output (MIMO) systems, where a subset of base…

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…

cs.IT2024

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…

cs.IT2024

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…

eess.SP2024

Precoder Design for User-Centric Network Massive MIMO with Matrix Manifold Optimization

Rui Sun, Li You, An-An Lu +3

In this paper, we investigate the precoder design for user-centric network (UCN) massive multiple-input multiple-output (mMIMO) downlink with matrix manifold optimization. In UCN m…

cs.IT2024★ 2 cited

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…

cs.IT2023★ 19 cited

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…

cs.IT2022★ 1 cited

2D Beam Domain Statistical CSI Estimation for Massive MIMO Uplink

An-An Lu, Yan Chen, Xiqi Gao

In this paper, we investigate the beam domain statistical channel state information (CSI) estimation for the two dimensional (2D) beam based statistical channel model (BSCM) in mas…

astro-ph.GA2022★ 13 cited

WISDOM project -- XI. Star Formation Efficiency in the Bulge of the AGN-host Galaxy NGC 3169 with SITELLE and ALMA

Anan Lu, Hope Boyce, Daryl Haggard +19

The star formation efficiency (SFE) has been shown to vary across different environments, particularly within galactic starbursts and deep within the bulges of galaxies. Various qu…

cs.IT2020★ 30 cited

Robust Linear Precoder Design for 3D Massive MIMO Downlink with A Posteriori Channel Model

An-An Lu, Xiqi Gao, Chengshan Xiao

In this paper, we investigate the robust linear precoder design for three dimensional (3D) massive multi-input multi-output (MIMO) downlink with uniform planar array (UPA) and impe…

cs.IT2017

Robust Transmission for Massive MIMO Downlink with Imperfect CSI

An-An Lu, Xiqi Gao, Wen Zhong +2

In this paper, the design of robust linear precoders for the massive multi-input multi-output (MIMO) downlink with imperfect channel state information (CSI) is investigated. The im…

cs.IT2016★ 73 cited

Free Deterministic Equivalents for the Analysis of MIMO Multiple Access Channel

An-An Lu, Xiqi Gao, Chengshan Xiao

In this paper, a free deterministic equivalent is proposed for the capacity analysis of the multi-input multi-output (MIMO) multiple access channel (MAC) with a more general channe…