Radio system for different vehicles
GSM-R for mobile systems on trains
The interior of a train is actually an environment that mobile signals simply cannot penetrate. For a moving train carriage, made of steel and featuring windows that contain an invisible metal film to protect against the rays of the sun, a booster system of repeaters is required to make sure the signals get through. The Swedish Railways’ mobile-friendly X2000 trains need not only repeaters in each carriage, but reliable antennae on the inside and outside of each unit of rolling stock.
On board the train, the communication between the driver and the train control system – and between the driver and other the train personnel – must also function flawlessly. A mobile telephony standard developed specifically for trains (GSM-R) is used to deal with this requirement. To ensure that signals from the 3G and 4G networks do not disrupt GSM-R operation, MIC Nordic has developed a filter that protects and shields GSM-R systems from signal disruptions at 900 MHz.
Ett urval konkreta exempel på hur vi löser problemen med olika radiosystem hittar du här:
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How MIC Nordic improves mobile coverage:
Three factors can require a significant improvement on mobile coverage indoors: Demand for faster data speeds, poor telephone antennae and altered building technologies.
These are challenges that MIC Nordic tackles by establishing reliably functioning infrastructure for indoor coverage. In addition, we secure communication for essential services such as the police, ambulance and rescue services. Our solutions contribute to ensuring that people, companies, organisations and public authorities have access to smoothly functioning mobile coverage.
The solutions and products that MIC Nordic supplies match all standards: FM, DAB, DMR, TETRA/RAKEL, GPS, 1G, 2G, 3G, 4G and 5G. That said, we are well aware that technological development is an ongoing phenomenon, so we are also actively involved in research and development of new standards.
Find out more about
Mobile coverage indoors
Mobile coverage in car parks/tunnels
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