Massive mimo techniques for 5g and beyond—opportunities and challenges
Telecommunications have grown to be a pillar to a functional society and the urge for
reliable and high throughput systems has become the main objective of researchers and …
reliable and high throughput systems has become the main objective of researchers and …
A survey on research activities for deploying cell free massive MIMO towards beyond 5G
I Kanno, K Yamazaki, Y Kishi… - IEICE Transactions on …, 2022 - search.ieice.org
5G service has been launched in various countries, and research for the beyond 5G is
already underway actively around the world. In beyond 5G, it is expected to expand the …
already underway actively around the world. In beyond 5G, it is expected to expand the …
Distributed hybrid equalization for cooperative millimeter-wave cell-free massive MIMO
The current cellular systems are conventional cell-centric based architectures, and thus the
inter-cell interference greatly affects the quality of service (QoS) of users located at the …
inter-cell interference greatly affects the quality of service (QoS) of users located at the …
Low-complexity rf chains activation based on hungarian algorithm for uplink cell-free millimetre-wave massive mimo systems
The increasing demand for throughput, ultra-low latency, ultra-high reliability, and ubiquitous
coverage have made researchers explore several novel solutions to set the basis for future …
coverage have made researchers explore several novel solutions to set the basis for future …
Antenna selection based on matching theory for uplink cell-free millimetre wave massive multiple input multiple output systems
In this paper, we propose a hybrid beamforming architecture with constant phase shifters
(CPSs) for uplink cell-free millimetre-wave (mm-Wave) massive multiple-input multiple …
(CPSs) for uplink cell-free millimetre-wave (mm-Wave) massive multiple-input multiple …
Iterative Detection Schemes for Uplink Highly Loaded User-Centric Hybrid Beamforming Based Frequency Selective Massive MIMO Networks
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 …
user-centric (UC) variant, only a handful of APs serve a particular UE, namely the ones with …
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 …
(mMIMO) cell-free (CF) networks operating in millimeter-wave (mmWave) frequencies. CF …
RF chain-wise Clustering for Centralized mm-wave Cell-Free massive MIMO with Hybrid Beamforming
S Kamiwatari, I Kanno, T Ohseki… - … 2022-2022 IEEE …, 2022 - ieeexplore.ieee.org
This paper proposes a clustering scheme suitable for a centralized millimeter wave Cell-
Free massive MIMO with hybrid beamforming (BF). Conventionally AP-wise clustering …
Free massive MIMO with hybrid beamforming (BF). Conventionally AP-wise clustering …
RF Chain-Wise Clustering Schemes for Millimeter Wave Cell-Free Massive MIMO With Centralized Hybrid Beamforming
S Kamiwatari, I Kanno, T Hayashi, Y Amano - IEEE Access, 2024 - ieeexplore.ieee.org
In this paper, we propose clustering schemes appropriate for a cell-free massive multi-input
multi-output (CF mMIMO) system with centralized hybrid beamforming (BF) in the millimeter …
multi-output (CF mMIMO) system with centralized hybrid beamforming (BF) in the millimeter …
Energy efficient RF chains selection based on integrated Hungarian and genetic approaches for uplink cell‐free millimetre‐wave massive MIMO systems
The purpose of this work is to explore the decrease of total used power in cell‐free millimetre‐
wave (mm‐Wave) massive multiple‐input multiple‐output (MIMO) systems, which can be …
wave (mm‐Wave) massive multiple‐input multiple‐output (MIMO) systems, which can be …