To overcome increasing traffic, provide various new services, further ensure safety and
security, and significantly improve travel comfort, a new communication system for railways …

Deploying access and backhaul as wireless links, aka integrated access and backhaul
(IAB), is envisioned as a viable approach to enable flexible and dense networks. Even …

This paper investigates the performance of coded massive multiple-input multiple-output
(MIMO) systems utilizing Orthogonal Time Frequency and Space modulation (OTFS). Our …

Sažetak In times of ever stronger awareness of environmental protection and potentiation of
a beneficial modal split, the railway sector with efficient asset utilization and proper …

Global System for Mobile communication-Railway (GSM-R) is widely used for operational
communications between train and signaler. However, there is a need to define a successor …

This paper describes the prototype and tests carried out to demonstrate the feasibility of
implementing 4G/5G systems based on mobile network operators (MNOs) to transmit …

Fifth-Generation mobile networks for Railway (5G-R) is a promising train-ground
communication solution to deal with the design challenges on ubiquitous connections and …

Millimeter wave (mmWave) communication is one of the critical technologies of the fifth
generation mobile communication. It can meet the increasing demand for high-speed …

This paper investigates the use of unmanned aerial vehicles (UAVs)/drones for providing
high data rates to mobile relays (MRs) placed on top of high speed train wagons, thus …

Passenger trains and especially metro trains have been identified as one of the key
scenarios for 5G deployments. The wireless channel inside a train car is reported in the …