A survey of recent advances in optimization methods for wireless communications

YF Liu, TH Chang, M Hong, Z Wu… - IEEE Journal on …, 2024 - ieeexplore.ieee.org
Mathematical optimization is now widely regarded as an indispensable modeling and
solution tool for the design of wireless communications systems. While optimization has …

RIS-aided cell-free massive MIMO systems for 6G: Fundamentals, system design, and applications

E Shi, J Zhang, H Du, B Ai, C Yuen… - Proceedings of the …, 2024 - ieeexplore.ieee.org
An introduction of intelligent interconnectivity for people and things has posed higher
demands and more challenges for sixth-generation (6G) networks, such as high spectral …

Next-Generation Multiple Access With Cell-Free Massive MIMO

M Mohammadi, Z Mobini, HQ Ngo… - Proceedings of the …, 2024 - ieeexplore.ieee.org
To meet the unprecedented mobile traffic demands of future wireless networks, a paradigm
shift from conventional cellular networks to distributed communication systems is imperative …

Performance optimization on cell-free massive MIMO-aided URLLC systems with user grouping

B Chong, H Lu, L Qin, Z Xue… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
Inter-user interference and pilot contamination are the major obstacles limiting the
performance of cell-free massive multiple-input multiple-output (CF mMIMO)-aided ultra …

Statistical qos provisioning for urllc in cell-free massive mimo systems

B Chong, H Lu - IEEE Transactions on Communications, 2024 - ieeexplore.ieee.org
Cell-free (CF) massive multiple-input multiple-output (mMIMO), characterized by macro-
diversity and spatial sparsity, has been considered as a potential technology to support ultra …

Efficient Statistical Linear Precoding for Downlink Massive MIMO Systems

Z Wang, L Liang, S Lyu, Y Xia… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
In this paper, we study low-complexity linear precoding for downlink massive multiple-input
multiple-output (MIMO) systems, exploiting a statistical method. In sharp contrast to …

Joint Long-Term Energy Efficient Scheduling and Beamforming Design for URLLC in Cell-Free MIMO Systems

Y Yin, B Liu, P Zhu, X Lyu… - IEEE Wireless …, 2023 - ieeexplore.ieee.org
In this letter, we develop a queue-aware long-term energy-efficient optimization scheme for
cell-free multiple-input multiple-output (CF-MIMO) systems in the ultra-reliable and low …

Uplink Performance and Beamforming Design of SIM-enhanced Cell-Free Massive MIMO Systems

E Shi, J Zhang, Y Zhu, Z Liu, J An… - 2024 IEEE VTS Asia …, 2024 - ieeexplore.ieee.org
In this paper, we explore the integration of low-power, low-cost stacked intelligent
metasurfaces (SIM) into cell-free (CF) massive multiple-input multiple-output (mMIMO) …

Two-Timescale Design for Reconfigurable Intelligent Surface-Aided URLLC

Q Peng, H Ren, C Pan, M Elkashlan… - IEEE Transactions …, 2024 - ieeexplore.ieee.org
In this paper, to tackle the blockage issue in massive multiple-input-multiple-output (mMIMO)
systems, a reconfigurable intelligent surface (RIS) is seamlessly deployed to support …

Uplink Performance Optimization of Limited-Capacity Radio Stripes

I Chiotis, AL Moustakas - IEEE Transactions on Wireless …, 2024 - ieeexplore.ieee.org
Cell-free (CF) massive multiple-input multiple-output (mMIMO) is a network architecture
beyond fifth generation (B5G), which has the potential to deliver significantly higher spectral …