A plus de 30 mètres sous terre, des antennes 5G sont installées sur les parois de la ligne 15 Sud du futur métro parisien.
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00:00 More than 30 meters underground, 5G antennas are installed on the walls of the 15 line south of the future Paris metro.
00:07 With the promise of ensuring users a reliable and continuous internet connection.
00:11 Horseshoe between Noisy-le-Grand, Seine-Saint-Denis, and Champs-sur-Marne, Seine-et-Marne,
00:16 the Noisy-Champs station offers a condensed of the E-Grand Paris digital,
00:19 during the Grand Paris Express, the super metro 200 km long that the Society of Grand Projects (SGP)
00:26 a public group, around the capital.
00:30 The ambition?
00:32 "Make a user who is in communication or watching a video stream
00:35 can go down the stairs of the station to join the train,
00:38 go up and continue his journey without any interruption, "explains to the AFP Thierry Papin,
00:43 President of Totem France, subsidiary of the operator Orange in charge of the installation of the telecom network on the 15 line south.
00:50 This line, which must open 2025 between the Pont de Sèvres station, Hauts-de-Seine, and that of Noisy-Champs,
00:56 will be the first to be fully covered in 5G.
01:00 Between the end of 2025 and 2030, four new lines of automatic metro, numbered from 15 to 18, must be put into service.
01:08 With each time, an operator is in charge of deploying the Telecom network, Totem France for the 15 line,
01:14 so the Spanish company Cellnex for lines 16 and 17, and the French company TDF for line 18.
01:21 Digital continuity
01:23 The Grand Paris Express is 3 million travelers per day.
01:27 It was obvious to us that we could bring to all these travelers a digital continuity,
01:32 underlines Thierry Montalant, in charge of digital at the SGP.
01:36 To achieve this, transmitters connected to four 4G or 5G antennas are installed on the walls of the tunnel where the metros will pass.
01:43 Each transmission point is separated by an average of 250 meters to preserve the signal strength.
01:49 There are these points of concentration that will take the operator's radio signal, transform it and put it back on an optical fiber.
01:56 "The optical fiber allows us to distribute the signal quality as close as possible to the amplifiers without disturbing the signal," says Thierry Papin.
02:04 The network of 170,000 km of optical fiber, it is fully protected in the tunnel, under the concrete,
02:10 and very well integrated in the work of the Grand Paris Express, completes Thierry Montalant.
02:15 Enough to make the twenty-odd communities crossed by the metro line or its very efficient means of communication.
02:22 The SGP, master of works, regularly reminds that this is the largest transport and urban planning project in Europe.
02:29 Initially valued at 19 billion euros in 2010, it should finally cost around 35 billion, according to the Court of Auditors.
02:37 root.