Abstract
For the last two decades, cybercrimes are growing on a daily basis. To track down cybercrimes and radio network crimes, digital forensic for radio networks provides foundations. The data transfer rate for the next-generation wireless networks would be much greater than today’s network in the coming years. The fifth-generation wireless systems are considering bands beyond 6 GHz. The network design of the next-generation wireless systems depends on propagation characteristics, frequency reuse, and bandwidth variation. This article declares the channel’s propagation characteristics of both line of sight (LoS) and non-LOS (NLoS) to construct and detect the path of rays coming from anomalies. The simulations were carried out to investigate the diffraction loss (DL) and frequency drop (FD). Indoor and outdoor measurements were taken with the omnidirectional circular dipole antenna with a transmitting frequency of 28 GHz and 60 GHz to compare the two bands of the 5th generation. Millimeter-wave communication comes with a higher constraint for implementing and deploying higher losses, low diffractions, and low signal penetrations for the mentioned two bands. For outdoor, a MATLAB built-in 3D ray tracing algorithm is used while for an indoor office environment, an in-house algorithmic simulator built using MATLAB is used to analyze the channel characteristics.
Highlights
Present research work in the field of network forensic is on traditional networks
We considered five rays for indoor and five for outdoor
We have considered a three-floored building. e path loss model we used for simulations is Close in
Summary
Present research work in the field of network forensic is on traditional networks. Because of the emergence of cellular or radio networks, radio network forensic provides the platform to investigate, capture, and detect faults, illegal activities, and cybercrimes [1]. Data are collected by following the approved methodology. We document the evidence, and final decision is taken. Frequencies greater than sub-6 GHz are not properly utilized in digital forensics due to which mmWave provides much greater bandwidth than the existing ones. The performance of the wireless communication system (WCS) is affected by multipath fading. Is work deals with extensive measurements, modeling, ray tracing, and simulations of channel characteristics in open outdoor as well as in narrow corridor and institution room environment.
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