Cobham deploys public safety network for new intercontinental tunnel

The public safety communication network ensures emergency services can communicate throughout the Eurasia tunnel

STEVENAGE, UK Cobham Wireless has announced the delivery of a public safety communications system for the Eurasia Tunnel, the first undersea road tunnel to connect two continents. Its multi-band, multi-technology coverage solution provides the emergency services communication within the 5.4km tunnel, which links two areas of Istanbul and spans both Europe and Asia.

The customised solution incorporates Cobham Wireless’ D-CSR (Digital Channel Selective Repeaters) and BSR (Band Selective Repeaters), and supports ultra high frequency (UHF), very high frequency (VHF), digital mobile radio (DMR), and FM technologies. This ensures that emergency services and operational teams can communicate at all times, throughout the tunnel.

Cobham Wireless was awarded the contract in September 2016 and worked with systems integration partner Yapı İDİS to install the system. The deployment was completed within a tight deadline of just three months, and delivered in time for the official inauguration ceremony in December. The Eurasia Tunnel is now open to the public 24 hours a day, 365 days a year.

“Cobham Wireless’ public safety solution provides a robust, reliable means of communication for Turkey’s police, fire, and disaster and emergency services,” said Dogan Ozturk, Country Sales Manager, Turkey, at Cobham Wireless. “Also, as the digital off-air repeaters are software-based, new features can be easily added via a remote download, making this a robust and future-proof system.”

In addition to both internal and interdepartmental communications, the deployment also features a break-in system, allowing operational teams to access the FM channel and alert drivers to safety issues via their in-car FM radios. The system includes two master sites (one active, one redundant), each containing one VHF repeater for communication between ambulance services, and one UHF repeater each for police, fire and DMR/AFAD (Istanbul’s Disaster and Emergency Management Authority) communication.

The sites include one combiner and one Optical Master Unit (OMUII), and sit at either end of the tunnel, with one site providing essential back-up coverage. The master sites are connected via fibre to multiple remotes sites, providing reliable communications at any point throughout the tunnel. The entire system can be overseen and controlled off-site, using Cobham Wireless’ Active Element Manager (AEM).

“The tunnel is of huge strategic importance to the region, and with so many vehicles and their passengers passing through every day, public safety was our number one concern,” commented Dr Tamer Taşkın, General Manager of YM İDİS, Yapı Merkezi Group’s technology company. “It was only due to our close partnership with Cobham Wireless and the hard work of all involved, that we were able to deliver the project in time and ensure the safety within the Tunnel.”

 

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