An adaptive hybrid beamforming approach for 5G-MIMO mmWave wireless cellular networks

S Lavdas, PK Gkonis, Z Zinonos, P Trakadas… - IEEE …, 2021 - ieeexplore.ieee.org
Hardware complexity reduction is a key concept towards the design and implementation of
next generation broadband wireless networks. To this end, the goal of the study presented in …

Interference and beam squint aware TTD-aided beamforming for dual wideband massive MIMO

H Ozen, GM Guvensen - IEEE Wireless Communications …, 2023 - ieeexplore.ieee.org
This letter investigates the design of an interference-aware (IA) and beam-squint-aware
(BSA) true-time-delay (TTD)-aided statistical beamformer for spatial-and frequency …

Hybrid precoding and combining for mmWave full-duplex joint radar and communication systems under self-interference

M Bayraktar, N González-Prelcic, H Chen - arXiv preprint arXiv …, 2023 - arxiv.org
In the context of integrated sensing and communication (ISAC), a full-duplex (FD)
transceiver can operate as a monostatic radar while maintaining communication …

Robust statistical beamforming with multi-cluster tracking for time-varying massive MIMO

A Kurt, GM Guvensen - IEEE Transactions on Vehicular …, 2023 - ieeexplore.ieee.org
In this article, a joint design of instantaneous channel estimation, beam tracking, and
adaptive beamformer construction for a millimeter-wave massive multiple-input multiple …

Signal processing and beamforming techniques for cell free mm-wave massive MIMO systems

M Karataş - 2023 - open.metu.edu.tr
This thesis presents a hybrid beamforming uplink receiver detector for massive MIMO
(mMIMO) cell-free (CF) networks operating in millimeter-wave (mmWave) frequencies. CF …

Interference constrained beam alignment for time-varying channels via kernelized bandits

Y Deng, X Zhou, A Ghosh, A Gupta… - 2022 20th International …, 2022 - ieeexplore.ieee.org
To fully utilize the abundant spectrum resources in millimeter wave (mmWave), Beam
Alignment (BA) is necessary for large antenna arrays to achieve large array gains. In …

Adaptation of code-domain NOMA to SC-FDE based overloaded mmWave hybrid massive MIMO

M Bayraktar, GM Guvensen - IEEE Communications Letters, 2021 - ieeexplore.ieee.org
In this letter, we provide a practical framework to resolve whether code-domain NOMA (CD-
NOMA) is beneficial when integrated with massive MIMO systems. In order to realize this …

Deep Learning Aided Parametric Channel Covariance Matrix Estimation for Millimeter Wave Hybrid Massive MIMO

E Özbay - arXiv preprint arXiv:2302.07815, 2022 - arxiv.org
Millimeter-wave (mmWave) channels, which occupy frequency ranges much higher than
those being used in previous wireless communications systems, are utilized to meet the …

[PDF][PDF] Iterative Detection Schemes for Uplink Highly Loaded User-Centric Hybrid Beamforming Based Frequency Selective Massive MIMO Networks

M Karataş, GM Güvensen - Authorea Preprints, 2024 - techrxiv.org
In cell-free (CF) networks, access points (APs) jointly serve the user equipments (UEs). In
user-centric (UC) variant, only a handful of APs serve a particular UE, namely the ones with …

Iterative Detection Schemes for Uplink Highly Loaded User-Centric Cell-Free Hybrid Beamforming Based Massive MIMO Networks

M Karataş, GM Güvensen - Authorea Preprints, 2023 - techrxiv.org
In cell-free (CF) networks, access points (APs) jointly serve the user equipments (UEs). In
user-centric (UC) variant, only a handful of APs serve a particular UE, namely the ones with …