Olympic Stadium Berlin

Assistance at special occasions such as major events

Successful and interference-free events

Major events involve numerous personnel working for the organizer along with broadcast operators, spectators and security staff who all rely on the availability of wireless communications. Participants and broadcasters from abroad commonly use foreign radio devices that can operate on frequencies that are locally allocated to other radio services. In order to ensure interference-free spectrum usage despite the extremely high density of radio devices within a limited area, authorities provide special assistance for such events and work to carefully plan and assign the frequencies in advance. To obtain information about the actual usage of the electromagnetic environment, monitoring of the spectrum is essential – both prior to and during the event. This allows detection of interference or unlicensed emissions while enabling a fast response to mitigate any harmful radio interference.

Rohde & Schwarz systems cover the entire spectrum monitoring process needed to support such special events. Mobile or transportable monitoring stations can be used to perform the relevant measurements in advance at the venue. They can detect sporadically occurring emissions and alert the proper authorities. On arrival, all transmitting devices used by the participants can be checked for proper operation. During the event, measurements can continue on the most critical frequency bands. In case of potential interference, the systems can generate an alarm to allow the operators to investigate the problem on short notice. In this manner, Rohde & Schwarz spectrum monitoring systems can make a solid contribution towards ensuring successful events.

Flexible deployment

Flexibility in operation and positioning is an important requirement for on-site monitoring. Equipment must often withstand variable weather conditions and extreme temperatures. A complete spectrum monitoring system in a compact housing that is suitable for outdoor deployment is required. Together with compact antennas, it must support monitoring as well as emitter location. As a transportable unit, it can be deployed at diverse locations both before and during events.

Automatic violation detection

Automatic violation detection

Inside or outside of the venues, the systems can make measurements within definable radio bands in order to prevent harmful interference. Operators can perform the necessary measurements directly or configure the systems to automatically compare the results with the frequency plan. This allows identification of unlicensed emitters and helps to ensure interference-free usage of the radio spectrum.

The final meters

Since the final meters of the job are typically inaccessible to vehicles, interference hunters use portable devices with handheld antennas. Such configurations allow efficient homing in on emitters by steering the directional antenna towards the highest signal level. In this manner, operators can determine the direction of emitters and move step by step towards the signal source.

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