A survey of advances in optimization methods for wireless communication system design

YF Liu, TH Chang, M Hong, Z Wu, AMC So… - arXiv preprint arXiv …, 2024 - arxiv.org
Mathematical optimization is now widely regarded as an indispensable modeling and
solution tool for the design of wireless communications systems. While optimization has …

Recurrent neural network and federated learning based channel estimation approach in mmWave massive MIMO systems

S Shahabodini, M Mansoori, J Abouei… - Transactions on …, 2024 - Wiley Online Library
So far, various data‐driven approaches have been presented to obtain channel state
information (CSI) in millimeter wave multiple‐input‐multiple‐output wireless networks. In …

Multi-agent deep reinforcement learning for beam codebook design in RIS-aided systems

A Abdallah, A Celik, MM Mansour… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
Reconfigurable intelligent surfaces (RISs) play a vital role in future wireless systems with the
capability of enhancing propagation environments by intelligently reflecting the signals …

Best Arm Identification Based Beam Acquisition in Stationary and Abruptly Changing Environments

G Ghatak - IEEE Transactions on Signal Processing, 2024 - ieeexplore.ieee.org
We study the initial beam acquisition problem in millimeter wave (mm-wave) networks from
the perspective of best arm identification in multi-armed bandits (MABs). For the stationary …

Deep Active Learning for mmWave Array-Based Multi-Source AoA Tracking

X Cheng, X Yuan, W Jiang, L Zhu… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
In this paper, we investigate the problem of tracking the angles of arrival (AoAs) of multiple
sources in millimeter wave (mmWave) systems with a limited number of radio frequency (RF) …

Single-and Multi-Agent Private Active Sensing: A Deep Neuroevolution Approach

G Stamatelis, AN Kanatas, I Asprogerakas… - arXiv preprint arXiv …, 2024 - arxiv.org
In this paper, we focus on one centralized and one decentralized problem of active
hypothesis testing in the presence of an eavesdropper. For the centralized problem …

Physical Beam Sharing for Communications with Multiple Low Earth Orbit Satellites

YY He, SHL Tsai, HV Poor - IEEE Transactions on Signal …, 2024 - ieeexplore.ieee.org
Physical (analog) beamforming is expected to become an important technique in Low Earth
Orbit (LEO) satellite transmission in upcoming 6G communications. To build dense networks …

Machine Learning Based Beam Selection for Maximizing Wireless Network Capacity

P Geranmayeh, E Grass - IEEE Access, 2024 - ieeexplore.ieee.org
In today's and future wireless communications, especially in 5G and 6G networks, machine
learning (ML) methods are crucial. Potentially, these techniques bring many benefits such as …

Deep Learning Based Adaptive Joint mmWave Beam Alignment

D Tandler, M Gauger, AS Tan, S Dörner… - 2024 IEEE Wireless …, 2024 - ieeexplore.ieee.org
The challenging propagation environment, combined with the hardware limitations of
mmWave systems, gives rise to the need for accurate initial access beam alignment …

Wideband mmWave/THz Beam Alignment: Exploiting Beam Split Effect via Posterior Matching

Y Yang, X Xu, Q Chen, G Wan… - 2024 IEEE Wireless …, 2024 - ieeexplore.ieee.org
The massive-antenna millimeter wave (mmWave)/terahertz (THz) system inevitably suffers
from a severe beam split effect, which will significantly decrease array gains and …