Wave propagation modeling techniques in tunnel environments: A survey

MA Samad, SW Choi, CS Kim, K Choi - IEEE Access, 2023 - ieeexplore.ieee.org
The prediction of radio signal transmission in tunnels is important for wireless
communication link design as it enables the delivery of optimum power to the intended …

Accurate Path Loss Prediction Using a Neural Network Ensemble Method

B Kwon, H Son - Sensors, 2024 - mdpi.com
Path loss is one of the most important factors affecting base-station positioning in cellular
networks. Traditionally, to determine the optimal installation position of a base station, path …

Measurements and modeling of large-scale channel characteristics in subway tunnels at 1.8 and 5.8 GHz

X Zhang, R He, M Yang, B Ai, S Wang… - IEEE Antennas and …, 2022 - ieeexplore.ieee.org
Radio propagation characteristics in subway tunnels are significant for designing reliable
wireless communications. To obtain large-scale channel characteristics, extensive …

Narrowband Channel Measurements and Statistical Characterization in Subway Tunnels at 1.8 and 5.8 GHz

X Zhang, R He, M Yang, Z Qi, Z Zhang… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
Railway wireless communications play an increasingly significant role in train control and
signal transmission. Communication-based train control system (CBTC) can improve the …

[HTML][HTML] A Machine Learning Approach for Path Loss Prediction Using Combination of Regression and Classification Models

I Iliev, Y Velchev, PZ Petkov, B Bonev, G Iliev, I Nachev - Sensors, 2024 - mdpi.com
One of the key parameters in radio link planning is the propagation path loss. Most of the
existing methods for its prediction are not characterized by a good balance between …

An analysis of wireless signal propagation in collapsed mine scenarios

A Mahmood, MA Ashraf, G Musa, FT Cawood - Physical Communication, 2024 - Elsevier
The missing miner problem arises when a miner working in an underground mine gets
trapped after a mine collapse. The ability to precisely locate a missing miner is directly linked …

Path Loss Analysis for Array Antenna systems in Underground Mine at 3.5 GHz

SE Hadji, M Nedil, ML Seddiki… - 2023 IEEE International …, 2023 - ieeexplore.ieee.org
In this paper, path loss characteristics of the underground mine channel for a 64-element
uniform rectangular array (URA) antenna system at 3.5 GHz are presented and analyzed …

A Study on the Prediction Model of Propagation Path Loss for 5G Frequency Band

김형중 - 2023 - oak.chosun.ac.kr
최근에 모바일 데이터 트래픽의 기하급수적인 증가와 더 높은 전송속도에 대한 수요가 계속
증가함으로써 보다 정확하고 간단한 전파경로손실 예측이 필요하다. 5G 시스템의 주파수 …