5G key technologies for smart railways
Railway communications has attracted significant attention from both academia and
industries due to the booming development of railways, especially high-speed railways …
industries due to the booming development of railways, especially high-speed railways …
A hybrid ray-tracing/vector parabolic equation method for propagation modeling in train communication channels
In recent years, various techniques have been applied to modeling radio-wave propagation
in railway networks, each one presenting its own advantages and limitations. This paper …
in railway networks, each one presenting its own advantages and limitations. This paper …
A Gaussian beam approximation approach for embedding antennas into vector parabolic equation-based wireless channel propagation models
Vector parabolic equation (VPE) methods have been widely applied to the modeling of radio-
wave propagation in tunnel environments, offering high computational efficiency and fidelity …
wave propagation in tunnel environments, offering high computational efficiency and fidelity …
Physics-based optimization of access point placement for train communication systems
Communication-based train-control (CBTC) systems are aimed at replacing conventional
rail signaling with train control enabled by wireless communication between the train and a …
rail signaling with train control enabled by wireless communication between the train and a …
Fast radio-wave propagation modeling in tunnels with a hybrid vector parabolic equation/waveguide mode theory method
Radio-wave propagation modeling in tunnels plays an important role in designing reliable
train communication systems. In recent years, various channel modeling techniques have …
train communication systems. In recent years, various channel modeling techniques have …
Statistical modeling of electromagnetic wave propagation in tunnels with rough walls using the vector parabolic equation method
The vector parabolic equation (VPE) method is a very efficient methodology for high-fidelity
modeling of electromagnetic wave propagation. While the VPE has been widely applied to …
modeling of electromagnetic wave propagation. While the VPE has been widely applied to …
Hybrid numerical modeling of electromagnetic interference in train communication systems
Electromagnetic interference (EMI) is an important issue that needs to be considered for the
safe operation of communication-based train control (CBTC) systems in railway …
safe operation of communication-based train control (CBTC) systems in railway …
Vector parabolic equation-based derivation of rectangular waveguide surrogate models of arched tunnels
Radio-wave propagation in tunnels and mines can be qualitatively understood by
representing these environments as overmoded waveguides. Waveguide models are fast …
representing these environments as overmoded waveguides. Waveguide models are fast …
Two-way parabolic equation method for millimeter-wave propagation modeling in tunnels
Wireless propagation in tunnels has been a decades-old topic of interest. The parabolic
equation (PE) method is an established numerical technique that can offer high-fidelity …
equation (PE) method is an established numerical technique that can offer high-fidelity …
Advances in computational modeling of EMC/EMI effects in communication-based train control (CBTC) systems
Communication-based train control (CBTC) systems are aimed at providing control and
signaling for rail transportation. These operate in environments that include tunnel and open …
signaling for rail transportation. These operate in environments that include tunnel and open …