Reliable data transfer for locomotive consist communications
View Patent ↗A method for controlling data communication within a locomotive consist is disclosed. The method may include receiving, at a first access point, a first set of data packets that represent a communication sent from a second access point via a first set of wires. The method may also include receiving, at the first access point, a second set of data packets that represent the same communication sent from the second access point via a second set of wires. Further, the method may include processing the first set of data packets and the second set of data packets to create a resultant set of data packets and generating, at the first access point, a communication related to operating the locomotive based on the resultant data packets.
1. A method for controlling data communication within a locomotive consist, the method comprising:
receiving, at a first access point a first set of data packets that represent a communication sent from a second access point via a first plurality of wires;
receiving, at the first access point, a second set of data packets that represent the same communication sent from the second access point via a second plurality of wires;
processing the first set of data packets and the second set of data packets to create a resultant set of data packets; and
generating, at the first access point, a communication related to operating the locomotive based on the resultant set of data packets.
2. The method of claim 1 , wherein processing the first set of data packets and the second set of data packets includes adding together corresponding bits of the first set of data packets and the second set of data packets to create the resultant set of data packets.
3. The method of claim 1 , wherein processing the first set of data packets and the second set of data packets includes selecting one of the first set of data packets or the second set of data packets based on a determined amount of packet loss associated with each of the first set of data packets and the second set of data packets.
4. The method of claim 1 , further including:
monitoring at least one of the first plurality of wires and the second plurality of wires for interference; and
selectively determining a method of communication of a subsequent communication between the first access point and the second access point based on the monitored interference.
5. The method of claim 4 , wherein the interference includes at least one from the group consisting of: signal-to-noise ratio and signal-to-crosstalk ratio of at least one of the first plurality of wires and the second plurality of wires.
6. The method of claim 5 , further including:
determining that the signal-to-noise ratio of at least one of the first plurality of wires and the second plurality of wires is below a threshold value; and
generating, at the first access point, a request for the second access point to send the subsequent communication by sending a first subsequent set of data packets representing the subsequent communication over the first plurality of wires and a second subsequent set of data packets representing the subsequent communication over the second plurality of wires.
7. The method of claim 5 , further including:
determining that the signal-to-crosstalk ratio of at least one of the first plurality of wires and the second plurality of wires is below a threshold value; and
generating, at the first access point, a request for the second access point to send a subsequent communication to the first access point using a multiple input multiple output (MIMO) communication method that includes a crosstalk compensation scheme.
8. The method of claim 5 , further including:
determining that the signal-to-crosstalk ratio of at least one of the first plurality of wires and the second plurality of wires exceeds a first threshold;
determining that the signal-to-noise ratio of at least one of the first plurality of wires and the second plurality of wires is above a second threshold; and
generating, at the first access point, a request for the second access point to send a subsequent communication using a default communication mechanism.
9. A system for controlling data communication within a locomotive consist, comprising:
one or more memories storing instructions; and
one or more processors configured to execute the instructions to:
receive a first set of data packets that represent a communication sent from a second access point via a first plurality of wires;
receive a second set of data packets that represent the same communication sent from the second access point via a second plurality of wires;
process the first set of data packets and the second set of data packets to create a resultant set of data packets; and
generate, at the first access point, a communication related to operating the locomotive based on the resultant set of data packets.
10. The system of claim 9 , wherein the one or more processors are further configured to add together corresponding bits of the first set of data packets and the second set of data packets to create the resultant set of data packets.
11. The system of claim 9 , wherein the one or more processors are further configured to select one of the first set of data packets or the second set of data packets based on a determined amount of packet loss associated with each of the first set of data packets and the second set of data packets.
12. The system of claim 9 , further including a monitor configured to monitor at least one of the first plurality of wires and the second plurality of wires for interference and the processor selectively determining a method of communication of a subsequent communication between the first access point and the second access point based on the monitored interference.
13. The system of claim 12 , wherein the monitored interference includes at least one from the group consisting of: signal-to-noise ratio and signal-to-crosstalk ratio of at least one of the first plurality of wires and the second plurality of wires.
14. The system of claim 12 , wherein the one or more processors are further configured to:
determine that the signal-to-noise ratio of at least one of the first plurality of wires and the second plurality of wires is below a threshold value; and
generate, at the first access point, a request for the second access point to send the subsequent communication by sending a first subsequent set of data packets representing the subsequent communication over the first plurality of wires and a second subsequent set of data packets representing the subsequent communication over the second plurality of wires.
15. The system of claim 12 , wherein the one or more processors are further configured to:
determine that the signal-to-crosstalk ratio of at least one of the first plurality of wires and the second plurality of wires is below a threshold value; and
generate, at the first access point, a request for the second access point to send a subsequent communication to the first access point using a multiple input multiple output (MIMO) communication method that includes a crosstalk compensation scheme.
16. The system of claim 12 , wherein the one or more processors are further configured to:
determine that the signal-to-crosstalk ratio of at least one of the first plurality of wires and the second plurality of wires exceeds a first threshold;
determine that the signal-to-noise ratio of at least one of the first plurality of wires and the second plurality of wires is above a second threshold; and
generate, at the first access point, a request for the second access point to send a subsequent communication using a default communication mechanism.
17. A locomotive consist comprising:
a plurality of locomotives;
a communications network;
a plurality of access points disposed within locomotives of the locomotive consist and communicatively coupled to the communications network, the plurality of access points including a first access point that is selected to receive a first set of data packets that represent a communication sent from a second access point via a first plurality of wires and receive a second set of data packets that represent the same communication sent from the second access point via a second plurality of wires; and
a processor configured to process the first set of data packets and the second set of data packets to create a resultant set of data packets and generate, at the first access point, a communication related to operating the locomotive based on the resultant set of data packets.
18. The locomotive consist of claim 17 , further including a monitor configured to monitor at least one of the first plurality of wires and the second plurality of wires for interference and the processor selectively determining a method of communication of a subsequent communication between the first access point and the second access point based on the monitored interference.
19. The locomotive consist of claim 18 , wherein the processor is further configured to:
determine that the signal-to-crosstalk ratio of at least one of the first plurality of wires and the second plurality of wires is below a threshold value; and
generate, at the first access point, a request for the second access point to send a subsequent communication to the first access point using a multiple input multiple output (MIMO) communication method that includes a crosstalk compensation scheme.
20. The locomotive consist of claim 18 , wherein the processor is further configured to:
determine that the signal-to-crosstalk ratio of at least one of the first plurality of wires and the second plurality of wires exceeds a first threshold;
determine that the signal-to-noise ratio of at least one of the first plurality of wires and the second plurality of wires is above a second threshold; and
generate, at the first access point, a request for the second access point to send a subsequent communication using a default communication mechanism.