# US 2014/0153404 A1 · Multiple line communications for locomotive consist > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2014/0153404 A1 - Document ID: US20140153404A1 - Status: Published application - Kind: A1 - Application number: 13/690,095 - 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/US20140153404A1 ## CPC - H04L 43/50: Testing arrangements - H04B 3/487: Testing crosstalk effects - H04L 12/40: Bus networks - H04L 2012/40293: {the transportation system being a train} - H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M) - H04B: TRANSMISSION ## Abstract A method for controlling data communication within a locomotive consist is disclosed. The method may include monitoring an effect of a first interference generated by a first pair of wires on a second pair of wires during a communication. The method may also include monitoring an effect of a second interference generated by the second pair of wires on the first pair of wires during the communication. The method may further include dividing data packets to he sent from the first access point to the second access point such that a first subset of the data packets are designated for the first pair of wires and a second subset of the data packets are designated for the second pair of wires and modifying the first subset of the data packets to reduce the effect of the first interference. ## Claims ### Claim 1 A system for communicating data in a locomotive consist, comprising: one or more memories storing one or more instructions; and one or more processors configured to execute the instructions to: monitor an effect of a first interference generated by a first pair of wires on a second pair of wires during communication between a first access point and a second access point; monitor an effect of a second interference generated by the second pair of wires on the first pair of wires during the communication between the first access point and the second access point; divide data packets to be sent from the first access point to the second access point such that a first subset of the data packets are designated for the first pair of wires and a second subset of the data packets are designated for the second pair of wires; and modify the first subset of the data packets to reduce the effect of the first interference. ### Claim 2 (depends on 1) The system of claim 1, wherein the one or more processors are further configured to execute the instructions to modify the second subset of the data packets to reduce the effect of the second interference. ### Claim 3 (depends on 2) The system of claim 2, wherein the one or more processors are further configured to execute the instructions to send the modified first subset of the data packets on the first pair of wires and the modified second subset of the data packets on the second pair of wires. ### Claim 4 (depends on 3) The system of claim 3, wherein the first interference and the second interference include crosstalk between the pairs of wires. ### Claim 5 (depends on 3) The system of claim 3, wherein the first pair of wires includes a first wire and a second wire and the second pair of wires includes a third wire and the second wire such that the second wire is shared among the first pair of wires and the second pair of wires. ### Claim 6 (depends on 5) The system of claim 5, wherein the one or more processors are further configured to: monitor the effect of the first interference by monitoring the interference generated by the first wire and the second wire on the third wire, and monitor the effect of the second interference on a second pair of wires by monitoring the interference generated by the second wire and the third wire on the first wire. ### Claim 7 (depends on 3) The system of claim 3, wherein the first pair of wires includes a first wire and a second wire and the second pair of wires includes a third wire and a fourth wire that are different than the first wire and the second wire. ### Claim 8 (depends on 3) The system of claim 3, wherein modifying the first subset of the data packets and the second subset of the data packets includes encoding the first subset of the data packets and the second subset of the data packets based on the first interference and the second interference. ### Claim 9 (depends on 8) The system of claim 8, wherein the one or more processors are further configured to execute the instructions to: receive the modified first data packets and the modified second data packets at the second access point; and decode the modified first data packets and the modified second data packets at the second access point. ### Claim 10 A method for controlling data communication within a locomotive consist, the method comprising: monitoring an effect of a first interference generated by a first pair of wires on a second pair of wires during communication between a first access point and a second access point; monitoring an effect of a second interference generated by the second pair of wires on the first pair of wires during the communication between the first access point and the second access point; dividing data packets to be sent from the first access point to the second access point such that a first subset of the data packets are designated for the first pair of wires and a second subset of the data packets are designated for the second pair of wires; and modifying the first subset of the data packets to reduce the effect of the first interference. ### Claim 11 (depends on 10) The method of claim 10, further including modifying the second subset of the data packets to reduce the effect of the second interference. ### Claim 12 (depends on 11) The method of claim 11, further including sending the modified first subset of the data packets on the first pair of wires and the modified second subset of the data packets on the second pair of wires. ### Claim 13 (depends on 12) The method of claim 12, wherein the first interference and the second interference include crosstalk between the pairs of wires. ### Claim 14 (depends on 12) The method of claim 12, wherein the first pair of wires includes a first wire and a second wire and the second pair of wires includes a third wire and the second wire such that the second wire is shared among the first pair of wires and the second pair of wires. ### Claim 15 (depends on 14) The method of claim 14, wherein: monitoring the effect of the first interference includes monitoring the interference generated by the first wire and the second wire on the third wire, and monitoring the effect of the second interference includes monitoring the interference generated by the second wire and the third wire on the first wire. ### Claim 16 (depends on 12) The method of claim 12, wherein the first pair of wires includes a first wire and a second wire and the second pair of wires includes a third wire and a fourth wire that are different than the first wire and the second wire. ### Claim 17 (depends on 12) The method of claim 12, wherein modifying the first subset of the data packets and the second subset of the data packets includes encoding the first subset of the data packets and the second set of data packets based on the effect of the first interference and the second interference. ### Claim 18 (depends on 17) The method of claim 17, further including: receiving the modified first data packets and the modified second data packets at the second access point; and decoding the modified first data packets and the modified second data packets at the second access point. ### Claim 19 A locomotive consist, comprising: a plurality of locomotives; a communications network; and a plurality of access points disposed within locomotives of the locomotive consist and communicatively coupled to the communications network, wherein a first access point of the plurality of access points is configured to: monitor an effect of a first interference generated by a first pair of wires on a second pair of wires during communication between the first access point and a second access point; monitor an effect of a second interference generated by the second pair of wires on the first pair of wires during the communication between the first access point and the second access point; divide data packets to be sent from the first access point to the second access point such that a first subset of the data packets are designated for the first pair of wires and a second subset of the data packets are designated for the second pair of wires; and modify the first subset of the data packets to reduce the effect of the first interference. ### Claim 20 (depends on 19) The locomotive consist of claim 19, wherein the first access point is further configured to: send the modified first subset of the data packets on the first pair of wires and the modified second subset of the data packets on the second pair of wires; and modify the second subset of the data packets to reduce the effect of the second interference.