Successful launch of mobile telephone and internet services in Channel Tunnel

27th Jul 2012
Successful launch of mobile telephone and internet services in Channel Tunnel

Successful launch of mobile telephone and internet services in the Channel Tunnel in time for the London 2012 Olympic Games. Eurotunnel and the French mobile telephone operators, Bouygues Telecom, Orange and SFR have today, as planned, brought into service a GSM-P optical fibre system for 2G (GSM 900, DCS1800) and 3G (UMTS 2100) telephone and internet services, which will enable passengers of Le Shuttle and high speed trains to use their mobiles to make calls and access the internet inside the Channel Tunnel. This project, piloted by the equipment supplier Alcatel-Lucent is the outcome of successful cooperation by the French telecoms operators Orange, SFR and Bouygues Telecomi.

The use of cutting edge technology developed by Alcatel-Lucent and the telecoms operators has seen several technical achievements. To be able to supply a wireless service, 100 metres below sea level, to the 20 million passengers who travel the 53 km through the Channel Tunnel each year necessitated the resolution of a number of challenges. The equipment has been installed in 10 months, a record breaking period; the work was achieved whilst operating a full railway service in the Tunnel; the confined environment required the application of strict standards and the specific nature of the Shuttles had to be addressed to ensure the appropriate level of transmission. At the same time, the technical teams had to ensure that the different radio systems (GSM-P and GSM-R) would both work inside the Tunnel.

With all these challenges met, Eurotunnel is now able to provide a new service to its customers, whether they are travelling by Shuttle or by Eurostar, and once again prove its commitment to innovation. The French operators will provide an extension of their 2G/3G network coverage in the South Rail Tunnel (France-UK traffic) using a leaky feeder cable for transmission, with optical repeaters installed every 750 metres. The North Rail Tunnel (UK-France traffic) will be covered by British telecoms operators after the Olympics.

Jacques Gounon, Chairman and Chief Executive Officer of Groupe Eurotunnel SA, stated: “Eurotunnel is proud to be able regularly to improve the services we offer to our customers through major technological innovation, this time based on the expertise of Alcatel-Lucent.” Pascal Homsy, Chairman and Chief Executive Officer of Alcatel-Lucent France, stated: “As a result of this collaboration with Eurotunnel, and which has used many of the different technical skills we have at Alcatel-Lucent, we are very proud to have contributed to the provision of new communication services on board the trains in the Channel Tunnel.”


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