Review of indoor positioning: Radio wave technology

T Kim Geok, K Zar Aung, M Sandar Aung, M Thu Soe… - Applied Sciences, 2020 - mdpi.com
The indoor positioning system (IPS) is becoming increasing important in accurately
determining the locations of objects by the utilization of micro-electro-mechanical-systems …

Investigation of future 5G-IoT millimeter-wave network performance at 38 GHz for urban microcell outdoor environment

F Qamar, MHDN Hindia, K Dimyati, KA Noordin… - Electronics, 2019 - mdpi.com
The advent of fifth-generation (5G) systems and their mechanics have introduced an
unconventional frequency spectrum of high bandwidth with most falling under the millimeter …

An efficient 3-D ray tracing method: Prediction of indoor radio propagation at 28 GHz in 5G network

F Hossain, TK Geok, TA Rahman, MN Hindia… - Electronics, 2019 - mdpi.com
Millimeter wave technology will be dominating the fifth-generation networks due to the clear
advantage of higher frequency bands and hence wider spectrum. In this paper, the indoor …

Performance study of path loss models at 14, 18, and 22 GHz in an indoor corridor environment for wireless communications

MK Elmezughi, TJ Afullo… - SAIEE Africa Research …, 2021 - ieeexplore.ieee.org
The critical rule to achieve extremely high peaks of data transmission is the availability of a
tremendous amount of bandwidth. The super high frequency (SHF) and the millimeter-wave …

An efficient approach of improving path loss models for future mobile networks in enclosed indoor environments

MK Elmezughi, TJ Afullo - IEEE Access, 2021 - ieeexplore.ieee.org
Path loss is the primary factor that determines the overall coverage of networks. Designing
reliable wireless communication systems requires accurate path loss prediction models …

Automobile laminated glass window embedded transmitarray and ray tracing validation for enhanced 5G connectivity

S Hong, Y Kim, J Oh - IEEE Transactions on Antennas and …, 2022 - ieeexplore.ieee.org
This article presents a 38.5 GHz transmitarray, for the first time, embedded into laminated car
glass, and indoor 5G connectivity enhanced by this transmitarray laminated glass has also …

Accurate indoor-positioning model based on people effect and ray-tracing propagation

F Firdaus, NA Ahmad, S Sahibuddin - Sensors, 2019 - mdpi.com
Wireless local area networks (WLAN)-fingerprinting has been highlighted as the preferred
technology for indoor positioning due to its accurate positioning and minimal infrastructure …

Analysis and modeling of wireless channel characteristics for Internet of Things scene based on geometric features

G Shi, Y He, B Li, L Zuo, B Yin, W Zeng, F Ali - Future Generation Computer …, 2019 - Elsevier
The power equipment storage scene is a typical short and limited scenario in
communication. The geometric features and electric conductivity of the power equipment …

Investigating the impact of antenna heights on path loss models in an indoor corridor environment

MK Elmezughi, TJ Afullo… - … Conference on Artificial …, 2020 - ieeexplore.ieee.org
Mobile data traffic has rapidly increased in the last few years because of the continuous
demand for higher data rates through a rapidly growing number of connected devices and …

A Generalized Ray Formulation For Wave-Optical Light Transport

S Steinberg, R Ramamoorthi, B Bitterli… - ACM Transactions on …, 2024 - dl.acm.org
Ray optics is the foundation of modern path tracing and sampling algorithms for computer
graphics; crucially, it allows high-performance implementations based on ray tracing …