Automotive neural network

Patent metadata

Field	Value
Publication number	US-9917725-B2
Application number	US-201514871116-A
Country	US
Kind code	B2
Filing date	Sep 30, 2015
Priority date	Sep 20, 2012
Publication date	Mar 13, 2018
Grant date	Mar 13, 2018

Abstract

Network node modules within a vehicle are arranged to form a reconfigurable automotive neural network. Each network node module includes one or more subsystems for performing one or more operations and a local processing module for communicating with the one or more subsystems. A management system enables traffic from the one or more subsystems of a particular network node module to be re-routed to an external processing module upon failure of the local processing module of that particular network node module.

First claim

The invention claimed is:

1. A vehicular communication device, comprising:
a vehicular network interface configured to support communications with other vehicular components in a vehicle via a vehicular communication network; and
processing circuitry configured to communicate with local processing circuitry of a plurality of network node modules in the vehicle via the vehicular network interface and the vehicular communication network;
wherein the processing circuitry is further configured to:
determine that local processing circuitry of a first one of the plurality of network node modules has failed; and
when the local processing circuitry of the first one of the plurality of network node modules has failed, support rerouting of traffic intended for the local processing circuitry of the first one of the network node modules to processing circuitry external to the first one of the network node modules.

2. The vehicular communication device of claim 1 , wherein the processing circuitry external to the first one of the plurality of network node modules comprises processing circuitry of a second one of the plurality of network node modules.

3. The vehicular communication device of claim 1 , wherein the vehicular network interface comprises a multi-port Ethernet switch.

4. The vehicular communication device of claim 1 , wherein the vehicular network interface comprises an Ethernet Physical Interface.

5. The vehicular communication device of claim 1 , wherein the processing circuitry external to the first one of the plurality of network node modules is selected based upon latency requirements of the first one of the plurality of network node modules.

6. The vehicular communication device of claim 1 , wherein the processing circuitry external to the first one of the plurality of network node modules comprises processing circuitry external to the vehicle.

7. The vehicular communication device of claim 6 , wherein the vehicular network interface supports wireless inter-vehicular communications.

8. The vehicular communication device of claim 6 , wherein rerouting of the traffic intended for the local processing circuitry of the first one of the network node modules to processing circuitry external to the first one of the network node modules comprises rerouting of the traffic from the vehicular network interface to a wireless network interface that supports wireless inter-vehicular communications.

9. The vehicular communication device of claim 1 , wherein the processing circuitry and vehicular network interface are further configured to translate communications between an Ethernet format and a differing vehicle communication format.

10. The vehicular communication device of claim 9 , wherein the differing vehicle communication format comprises one of:
J1850 format;
OBDII format;
Intellibus format;
Controller Area Network (CAN) format;
FlexRay format;
Bosch-Siemens-Temic format;
Motorola® interconnect (MI) format;
Mobile Media Link (MML) format;
Domestic Digital Data (D2B) format;
smartwireX format;
inter-equipment bus (IEBus) format; or
media oriented systems transport (MOST) format.

11. The vehicular communication device of claim 1 , wherein the processing circuitry is further configured to select the processing circuitry external to the first one of the network node modules based on one or more operations performed by the first one of the network node modules.

12. The vehicular communication device of claim 1 , wherein the processing circuitry is further configured to select the processing circuitry external to the first one of the network node modules based on respective locations of the first one of the network node modules and the processing circuitry external to the first one of the network node modules.

13. The vehicular communication device of claim 1 , wherein the processing circuitry, the local processing circuitry of the first one of the plurality of network node modules, and the processing circuitry external to the first one of the network node modules are coupled together in one or more hierarchical configurations and the processing circuitry is configured to select the processing circuitry external to the first one of the network node modules based on the one or more hierarchical configurations.

14. The vehicular communication device of claim 1 , wherein the plurality of network node modules are indirectly coupled to one another via the vehicular network interface.

15. The vehicular communication device of claim 1 , wherein the processing circuitry is further configured to control a powered state of at least one of the network node modules.

16. The vehicular communication device of claim 15 , wherein the processing circuitry is further configured to control the powered state of the at least one of the network node modules by individually controlling powered states of a plurality of the network node modules.

17. The vehicular communication device of claim 15 , wherein the processing circuitry is further configured to control the powered state of the at least one of the network node modules by controlling a powered state of a group of the plurality of the network node modules.

18. The vehicular communication device of claim 15 , wherein the processing circuitry is further configured to control the powered state of the at least one of the network node modules by controlling a power to a network interface servicing the at least one of the network node modules.

19. A vehicular communication device, comprising:
a vehicular network interface configured to support communications with a plurality of network node modules in a vehicle via a vehicular communication network, each of the plurality of network node modules including at least one vehicle sub-system; and
processing circuitry configured to communicate with respective local processing circuitry of the plurality of network node modules in the vehicle via the vehicular network interface and the vehicular communication network;
wherein the processing circuitry is further configured to:
determine that local processing circuitry of a first one of the plurality of network node modules has failed; and
when the local processing circuitry of the first one of the plurality of network node modules has failed, support rerouting of traffic intended for the local processing circuitry of the first one of the network node modules to processing circuitry external to the first one of the network node modules.

20. The vehicular communication device of claim 19 , wherein the processing circuitry external to the first one of the plurality of network node modules comprises processing circuitry of a second one of the plurality of network node modules.

21. The vehicular communication device of claim 19 , wherein the vehicular network interface comprises a multi-port Ethernet switch.

22. The vehicular communication device of claim 19 , wherein the vehicular network interface comprises an Ethernet Physical Interface.

23. The vehicular communication device of claim 19 , wherein the processing circuitry, the local processing circuitry of the first one of the plurality of network node modules, and the processing circuitry external to the first one of the network node modules are coupled together in one or more hierarchical configurations and the processing circuitry is configured to select the processing circuitry external to the first one of the network node modules based on the one or more hierarchical config

Assignees

• Broadcom Corp
• Avago Technologies General Ip

Inventors

• Diab Wael William
• Tazebay Mehmet V

Classifications

• H04L67/12

  specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks · CPC title

• G06F2201/805

  Real-time · CPC title

• H04L41/0668 Primary

  by dynamic selection of recovery network elements, e.g. replacement by the most appropriate element after failure · CPC title

• H04L69/40

  for recovering from a failure of a protocol instance or entity, e.g. service redundancy protocols, protocol state redundancy or protocol service redirection (management of faults, events, alarms or notifications in data switching networks H04L41/06) · CPC title

• G06F11/1423 Primary

  by reconfiguration of paths · CPC title