Deterministic field prediction has been widely used to provide channel data for coverage
analysis. Among these prediction tools, point cloud-based methods have been developed …

This article reports the comparison of multipath channels of outdoor small cells at 28 GHz
simulated by point-cloud-based ray tracer and those from measurements. The comparison …

Positioning in general will play an important role in future 5G networks by enabling a vast
amount of different location-based services and applications. To offer enriched end-user …

Frequency bands above 6 GHz are being considered for future 5G wireless systems
because of the larger bandwidth availability and of the smaller wavelength, which can ease …

Radio wave propagation simulations based on the ray-optical approximation have been
widely adopted in coverage analysis for a range of situations, including the outdoor-to …

In this work we present a novel ray-launching (RL) method for field prediction utilizing a
laser-scanned point cloud model of the environment. The method takes advantage of the …

With the advances in computer processing that have yielded an enormous increase in
performance, numerical analytical approaches based on electromagnetic theory have …

Accurate geolocation of mobile equipment operating in outdoor environments is an
increasingly important question in robotics and automation. Modern geolocation systems …

This paper proposes a hybrid method that combines ray-tracing (RT) method and an
effective roughness (ER) model with a structure model based on point cloud data in urban …

Multipath channel simulations at millimeter-wave frequencies require more accurate
knowledge of the geometry of physical environments than at below-6 GHz frequencies …