Multi-elliptical geometry of scatterers in modeling propagation effect at receiver

JM Kelner, C Ziółkowski - Antennas and wave propagation, 2018 - books.google.com
In the proposed chapter, the authors present a geometric-statistical propagation model that
defines three groups of received signal components, ie, direct path, delayed scattering, and …

Modeling the distribution of the arrival angle based on transmitter antenna pattern

C Ziółkowski, JM Kelner… - 2017 11th European …, 2017 - ieeexplore.ieee.org
An angular distribution of received signals has a significant impact on their spectral and
correlational properties. Most of angular dispersion models do not consider antenna …

Supercell: A wide-area coverage solution using high-gain, high-order sectorized antennas on tall towers

P Bondalapati, A Tiwari, ME Sahin, Q Tang… - arXiv preprint arXiv …, 2020 - arxiv.org
In this article we introduce a novel solution called SuperCell, which can improve the return
on investment (ROI) for rural area network coverage. SuperCell offers two key technical …

Modeling power angle spectrum and antenna pattern directions in multipath propagation environment

JM Kelner, C Zioakowski - 2018 - IET
Most propagation models do not consider the influence of antenna patterns on the
parameters and characteristics of received signals. This assumption is equivalent to the use …

Gaussian mixture based context-aware short-term characterization of wireless channels

P Mukherjee, D Mishra, S De - IEEE Transactions on Vehicular …, 2019 - ieeexplore.ieee.org
5G wireless communication technologies aim at simultaneously achieving energy efficiency
and spectral efficiency. 5G also demands high communication reliability. In this context, fine …

Empirical models of the azimuthal reception angle—Part II: Adaptation of the empirical models in analytical and simulation studies

C Ziółkowski, JM Kelner - Wireless Personal Communications, 2016 - Springer
This paper focuses on modeling of the statistical reception angle properties that are the
result of the environmental influence on transmitted signals. Numerous measurements have …

Empirical modeling of radiowave angular power distributions in different propagation environments at 60 GHz for 5G

M García Sánchez, E Lemos Cid, A Vázquez Alejos - Electronics, 2018 - mdpi.com
The design of 5th generation (5G) wireless systems requires the description and modeling of
the radio channel where communication will take place. As 5G will employ massive multiple …

Numerical transformation of power azimuth spectrum into normalized Doppler spectrum

JM Kelner, C Ziółkowski - 2019 13th European Conference on …, 2019 - ieeexplore.ieee.org
A power azimuth spectrum (PAS) and Doppler spectrum (DS) are one of the most popular
channel characteristics. The former is used to describe a dispersion of a signal reception …

Radio bearing of sources with directional antennas in urban environment

C Ziółkowski, JM Kelner - International Journal of Microwave and …, 2018 - cambridge.org
This paper focuses on assessing the limitations in the direction-finding process of radio
sources with directional antennas in an urbanized environment, demonstrating how signal …

An Architecture for Crowd Density Estimation in Heterogenous Opportunistic Environment

L Addepalli - 2024 - riunet.upv.es
[EN] This thesis presents a new framework called the" Dynamic Urban Crowd and Social
Interaction Model (DUCSIM)," which is aimed at calculating crowd density and deciphering …