# US 2014/0153412 A1 · Reliable data transfer for locomotive consist communications > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2014/0153412 A1 - Document ID: US20140153412A1 - Status: Published application - Kind: A1 - Application number: 13/690,164 - Filed: 2012-11-30 - Published: 2014-06-05 - Earliest claimed: 2012-11-30 - Assignees: Secure Communication Systems Inc.; Electro-Motive Diesel, Inc. - Applicants: Electro-Motive Diesel Inc.; Secure Communication Systems Inc. - Inventors: James Robert LUECKE; Wayne Rudolph - Web page: https://patentgrep.com/patent/US20140153412A1 ## CPC - H04B 3/487: Testing crosstalk effects - H04L 1/00: Arrangements for detecting or preventing errors in the information received {(correcting synchronisation H04L7/00)} - H04L 1/06: using space diversity - H04L 1/20: using signal quality detector - H04L 1/22: using redundant apparatus to increase reliability - H04L 12/28: characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks] (wireless communication networks H04W {; arrangements for dividing the transmission path H04W40/00}) - H04J 3/0641: {Change of the master or reference, e.g. take-over or failure of the master} - H04L 7/0008: {Synchronisation information channels, e.g. clock distribution lines} - H04L 2001/0096: {Channel splitting in point-to-point links} - H04L 2012/40293: {the transportation system being a train} - H04B: TRANSMISSION - H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M) - H04J: MULTIPLEX COMMUNICATION (transmission in general H04B; peculiar to transmission of digital information H04L5/00; systems for the simultaneous or sequential transmission of more than one television signal H04N7/08; in exchanges H04Q11/00; stereophonic systems H04S) ## Abstract 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. ## Claims ### Claim 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. ### Claim 2 (depends on 1) 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. ### Claim 3 (depends on 1) 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. ### Claim 4 (depends on 1) 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. ### Claim 5 (depends on 4) 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. ### Claim 6 (depends on 5) 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. ### Claim 7 (depends on 5) 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. ### Claim 8 (depends on 5) 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. ### Claim 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. ### Claim 10 (depends on 9) 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. ### Claim 11 (depends on 9) 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. ### Claim 12 (depends on 9) 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. ### Claim 13 (depends on 12) 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. ### Claim 14 (depends on 12) 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. ### Claim 15 (depends on 12) 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. ### Claim 16 (depends on 12) 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. ### Claim 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. ### Claim 18 (depends on 17) 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. ### Claim 19 (depends on 18) 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. ### Claim 20 (depends on 18) 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 fur the second access point to send a subsequent communication using a default communication mechanism.