METHOD FOR ROUTING DATA BETWEEN AT LEAST ONE GUIDED VEHICLE AND A GROUND NETWORK
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Abstract
A method for routing data between at least one guided vehicle and a ground network, wherein said vehicle moves on a track between at least a first and a second communication terminal arranged on the ground along the track. The terminals are capable of exchanging data streams between a ground network and at least one routing module onboard the vehicle. A transmission quality measurement for a first signal between the first terminal and the routing module is carried out periodically, a transmission quality measurement for a second signal between the second terminal and the routing module is carried out periodically, a measurement of the available data flow rate for the first signal between the ground network and the routing module is carried out periodically, a measurement of the available data flow rate for the second signal between the ground network and the routing module is carried out periodically, a routing path for at least a portion of the data between the ground network and the routing module is also periodically determined via at least one of the communication terminals if it has a measured signal quality higher than a predetermined threshold and a data flow rate higher than a predetermined threshold.
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Citations
18 Claims
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1-9. -9. (canceled)
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10. A method for routing data between at least one guided vehicle and the ground, wherein the vehicle moves on a track between at least a first and a second communication terminal disposed on the ground along the track, and wherein the terminals are capable of exchanging data streams between a ground network and at least one routing module on board the vehicle, the method which comprises:
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periodically carrying out a transmission quality measurement for a first signal between the first terminal and the routing module; periodically carrying out a transmission quality measurement for a second signal between the second terminal and the routing module; periodically carrying out a measurement of an available data throughput rate for the first signal between the ground network and the routing module; periodically carrying out a measurement of an available data throughput rate for the second signal between the ground network and the routing module; periodically determining a routing path for at least a portion of the data between the ground and the routing module by at least one of the communication terminals if it has a measured signal quality higher than a predetermined threshold and a data throughput rate higher than a predetermined threshold; and subdividing the routing path into several simultaneous and distinct data paths, each having a bandwidth dependent on values measured by their transmission quality and their minimum guaranteed throughput rate. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17, 18)
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Specification