A tutorial on UAVs for wireless networks: Applications, challenges, and open problems

M Mozaffari, W Saad, M Bennis… - … surveys & tutorials, 2019 - ieeexplore.ieee.org
The use of flying platforms such as unmanned aerial vehicles (UAVs), popularly known as
drones, is rapidly growing. In particular, with their inherent attributes such as mobility …

Channel measurements and models for high-speed train communication systems: A survey

CX Wang, A Ghazal, B Ai, Y Liu… - … surveys & tutorials, 2015 - ieeexplore.ieee.org
The recent development of high-speed trains (HSTs) as an emerging high mobility
transportation system, and the growing demands of broadband services for HST users …

Three-dimensional fading channel models: A survey of elevation angle research

J Zhang, C Pan, F Pei, G Liu… - IEEE communications …, 2014 - ieeexplore.ieee.org
The explosive increase of mobile traffic demands higher spectrum efficiency for future
wireless communications. By properly configuring a 2-dimensional (2D) antenna array at the …

3-D MIMO: How much does it meet our expectations observed from channel measurements?

J Zhang, Y Zhang, Y Yu, R Xu… - IEEE Journal on …, 2017 - ieeexplore.ieee.org
By taking advantage of the elevation domain, three-dimensional (3-D) multiple input and
multiple output (MIMO) with massive antenna elements is considered as a promising and …

3D polarized channel modeling and performance comparison of MIMO antenna configurations with different polarizations

MT Dao, VA Nguyen, YT Im, SO Park… - IEEE Transactions on …, 2011 - ieeexplore.ieee.org
We propose a three-dimensional (3D) polarized MIMO channel model, which takes into
account 3D power angular spectrum and comprehensive propagation characteristics of …

Antenna array topologies for mmWave massive MIMO systems: Spectral efficiency analysis

W Tan, S Ma - IEEE Transactions on Vehicular Technology, 2022 - ieeexplore.ieee.org
This article investigates the achievable spectral efficiency (SE) of millimeter wave massive
multiple-input multiple-output systems with three different array topologies deployed at the …

High resolution 3-D angle of arrival determination for indoor UWB multipath propagation

Y Zhang, AK Brown, WQ Malik… - IEEE Transactions on …, 2008 - ieeexplore.ieee.org
Propagation measurements using a large array are used to study the angle of arrival (AOA)
across the ultrawideband (UWB) frequency range of 3.1 to 10.6 GHz. A two-dimensional …

3D extension of the 3GPP/ITU channel model

TA Thomas, FW Vook, E Mellios… - 2013 IEEE 77th …, 2013 - ieeexplore.ieee.org
Recently there have been proposals to extend MIMO processing to the elevation dimension
in addition to the azimuth direction. To accurately assess the promised gains of these" 3D …

[КНИГА][B] Radio wave propagation and channel modeling for earth-space systems

AG Kanatas, AD Panagopoulos - 2017 - books.google.com
The accurate design of earth–space systems requires a comprehensive understanding of
the various propagation media and phenomena that differ depending on frequencies and …

Comparison of antenna arrays in a 3-D multiuser multicell network

X Lu, A Tolli, O Piirainen, M Juntti… - 2011 IEEE international …, 2011 - ieeexplore.ieee.org
A three-dimensional (3D) multi-cell multi-user system model along with spatial array
processing are presented and studied in this paper. Most of the radio propagation in the …