MIMO capacity characterization for movable antenna systems

W Ma, L Zhu, R Zhang - IEEE Transactions on Wireless …, 2023 - ieeexplore.ieee.org
In this paper, we propose a new multiple-input multiple-output (MIMO) communication
system with movable antennas (MAs) to exploit the antenna position optimization for …

Terahertz-band joint ultra-massive MIMO radar-communications: Model-based and model-free hybrid beamforming

AM Elbir, KV Mishra… - IEEE Journal of Selected …, 2021 - ieeexplore.ieee.org
Wireless communications and sensing at terahertz (THz) band are increasingly investigated
as promising short-range technologies because of the availability of high operational …

Satellite edge computing with collaborative computation offloading: An intelligent deep deterministic policy gradient approach

H Zhang, R Liu, A Kaushik… - IEEE Internet of Things …, 2023 - ieeexplore.ieee.org
Enabling a satellite network with edge computing capabilities can complement the
advantages further of a single terrestrial network and provide users with a full range of …

Hybrid analog/digital precoding for downlink massive MIMO LEO satellite communications

L You, X Qiang, KX Li, CG Tsinos… - IEEE Transactions …, 2022 - ieeexplore.ieee.org
Massive multiple-input multiple-output (MIMO) is promising for low earth orbit (LEO) satellite
communications due to the potential in enhancing the spectral efficiency. However, the …

Energy efficient beamforming optimization for integrated sensing and communication

Z He, W Xu, H Shen, Y Huang… - IEEE Wireless …, 2022 - ieeexplore.ieee.org
This letter investigates the optimization of beamforming design in a system with integrated
sensing and communication (ISAC), where the base station (BS) sends signals for …

Energy efficient dual-functional radar-communication: Rate-splitting multiple access, low-resolution DACs, and RF chain selection

O Dizdar, A Kaushik, B Clerckx… - IEEE Open Journal of …, 2022 - ieeexplore.ieee.org
Dual-Functional Radar-Communication systems enhance the benefits of communications
and radar sensing by jointly implementing these on the same hardware platform and using …

Energy-efficient cross-layer spectrum sharing in CR green IoT networks

HAB Salameh, MB Irshaid, A Al Ajlouni… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
Internet-of-Things (IoT) aims to connect intelligent things to the Internet, enable thing-to-
everything communication, and sustainability sensing and control. However, the exponential …

Hardware efficient joint radar-communications with hybrid precoding and RF chain optimization

A Kaushik, C Masouros, F Liu - ICC 2021-IEEE International …, 2021 - ieeexplore.ieee.org
In this paper, we aim to achieve energy efficient design with minimum hardware requirement
for hybrid precoding, which enables a large number of antennas with minimal number of RF …

Joint bit allocation and hybrid beamforming optimization for energy efficient millimeter wave MIMO systems

A Kaushik, E Vlachos, C Tsinos… - IEEE Transactions …, 2020 - ieeexplore.ieee.org
In this article, we aim to design highly energy efficient end-to-end communication for
millimeter wave multiple-input multiple-output systems. This is done by jointly optimizing the …

Hybrid beamforming and adaptive RF chain activation for uplink cell-free millimeter-wave massive MIMO systems

NT Nguyen, K Lee, H Dai - IEEE Transactions on Vehicular …, 2022 - ieeexplore.ieee.org
In this work, we investigate hybrid analog–digital beamforming (HBF) architectures for uplink
cell-free (CF) millimeter-wave (mmWave) massive multiple-input multiple-output (MIMO) …