Traffic control, Czech Republic



  • RAy, 10 & 24 GHz
  • Traffic flow monitoring
  • Videos from routes to control room
  • Repeaters on the way
  • Resistance to interference
  • 60 links in Prague
  • Case study

Smooth traffic flow is vital for any city to function efficiently and Prague is no exception; in recent years the amount of traffic using the city’s roads has increased dramatically! It became apparent some level of management system was required. Kapsch TrafficCom Construction & Realization and CAMEA were awarded a project to provide a solution by Prague Technical Maintenance Communication Centre; installed and implemented in 2015.

Partially funded by the EU, this application provides telemetry data and video from seven arterial routes in Prague; visual detection is provided on each route and data to support traffic flow monitoring and route timing calculations. The large amounts of data to be transferred to the control centre meant Microwave radios would be required, using repeaters along each route; strategically placed sensors and cameras add data flow to the overall capacity requirement at each hop.

After exhaustive appraisal, CAMEA chose to use RAy. In order to make best use of existing infrastructure and reduce disruption during implementation, the FOD design, size and low power consumption of RAy units enabled them to be mounted on existing street lights, operating from existing power supplies and batteries. In addition, the high levels of resistance to interference, a trademark quality on all RAy units, allowed the use of smaller antennas, offering further savings.

CAMEA was grateful for the levels of support received from RACOM who provided full path analyses appraisal during the early stages of link design, recommending optimal frequency of microwave based on potential radio issues on each route. They were also delighted by the ease with which links were connected and managed.

Jan Sedláček, Head of CAMEA IT Department comments: “The reliability of the RAy units was a key factor for us. A problem with any MW radio would affect data being sent from further along the communication path and it would be costly and disruptive to gain physical access to any one site. One and a half years into this project, our choice is vindicated. There have been no stability issues since day One of the project.”

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