activity
20212026
most citedRethinking WMMSE: Can Its Complexity Scale Linearly With the Number of BS Antennas?

137 citations · 137 across the 5 of their papers we have counts for

collaborators
Showing eess.SPShow all

5 papers · 1 filter

eess.SP2026

Optimal Low-Dimensional Structures of ISAC Beamforming: Theory and Efficient Algorithms

Xiaotong Zhao, Mian Li, Ya-Feng Liu +2

Transmit beamforming design is a fundamental problem in integrated sensing and communication (ISAC) systems. Numerous methods have been proposed to jointly optimize key performance…

eess.SP2024

Joint Beamforming Design and Stream Allocation for Non-Coherent Joint Transmission in Cell-Free MIMO Networks

Xi Wang, Xiaotong Zhao, Juncheng Wang +2

We consider joint beamforming and stream allocation to maximize the weighted sum rate (WSR) for non-coherent joint transmission (NCJT) in user-centric cell-free MIMO networks, wher…

eess.SP2023

Decentralized Equalization for Massive MIMO Systems With Colored Noise Samples

Xiaotong Zhao, Mian Li, Bo Wang +3

Recently, the decentralized baseband processing (DBP) paradigm and relevant detection methods have been proposed to enable extremely large-scale massive multiple-input multiple-out…

eess.SP2022★ 137 cited

Rethinking WMMSE: Can Its Complexity Scale Linearly With the Number of BS Antennas?

Xiaotong Zhao, Siyuan Lu, Qingjiang Shi +1

Precoding design for maximizing weighted sum-rate (WSR) is a fundamental problem for downlink of massive multi-user multiple-input multiple-output (MU-MIMO) systems. It is well-kno…

eess.SP2021

Decentralized Linear MMSE Equalizer Under Colored Noise for Massive MIMO Systems

Xiaotong Zhao, Xin Guan, Mian Li +1

Conventional uplink equalization in massive MIMO systems relies on a centralized baseband processing architecture. However, as the number of base station antennas increases, centra…