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First ‘real world’ 4G LTE on transit trial completes in Paris.

Posted by SmartRail World Staff on Aug 11, 2016

RATP and Nokia in 4G LTE first. RATP, the agency responsible for most of the public transport in Paris and its surrounding region, has successfully completed the first ‘Real-World’ trial of 4G LTE technology in a mass transit system. With 14 million passengers every day worldwide, RATP group is the fifth largest urban transport operator in the world. The trial was completed with Nokia on a portion of the Paris Metro Line 14. Demonstrating that a single 4G LTE network can be used for all operational communications of a train, whereas today they are supported by different channels – a mixture of Wi-Fi, digital radio and 3G/4G networks. The introduction of a 4G LTE-equipped shuttle on Line 14, an automated line meeting all RATP security requirements, is a world first.

The multimodal network operated by RATP ( @GroupeRATP ) in the Paris region, with its 14 metro lines (including two driverless lines), two regional express network (RER) lines, seven tramway lines, 350 bus lines and shuttle services catering to the region's two international airports, is the largest of its kind in the world to be managed by a single company.

The test, RATP and Nokia ( @nokia ) claim shows that a single LTE mobile network can replace the traditional Wi-Fi networks and manage data transmissions from multiple applications simultaneously, including: a simulation of train control (CBTC simulation based on pre-recorded real data); video on trains and platforms; operational voice communications; multimedia passenger information on trains and platforms; and maintenance and supervision services.

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This trial marks a significant contribution to start of the standardization process required before any operational rollout of 4G LTE technology in transport systems and associated customer services. It was completed under the R&D SYSTUF (SYStème Télécom pour les Transports Urbains du Futur) project, in which RATP and Nokia are collaborating.

The objective of this project according to a media release is to demonstrate that it is possible to use a single telecommunication technology – such as LTE – that is able to meet both mission-critical and non-critical applications of future public transport systems. As part of the experiment, RATP defined the applications that must be supported by the network and determined what constraints are to be met to complete a convincing, secure and non-disruptive trial. In addition to its 4G LTE technology, Nokia provided its expertise in project management and network optimization, including network design, radio planning, a test bench in its transportation lab, performance simulation, as well as radio coverage optimization and installation together with RATP.


For more rail telecommunications stories like this...

4G wireless coverage across Chicago subway network by end of 2015.

SmartRail Speaks: Emanuele Di Liberto, Transportation Business Development Director at Alcatel-Lucent

Driverless operations confirmed for a third line on Paris Metro.

CBTC commercialization boost as world's first LTE 4G pilot completed. 

SmartMetro 2016

Topics: IT and WiFi, Telecommunications


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