System and method for selecting a communication network in a sensor network

• US 10,057,388 B2
• Filed: 07/27/2015
• Issued: 08/21/2018
• Est. Priority Date: 07/27/2015
• Status: Active Grant

• Current Assignee: The Boeing Co.
• Original Assignee: The Boeing Co.
• Inventors: Pei, Guangyu, Kumar, Anil
• Primary Examiner(s): Nguyen, Steven H
• Application Number:
  US14/809,829
• Publication Number:
  US 20170034316A1
• Time in Patent Office: 1,121 Days
• Field of Search: None
• CPC Class Codes: H04B 3/54 Systems for transmission via power distribution lines
• CPC Class Codes: H04L 41/0856 by backing up or archiving configuration information
• CPC Class Codes: H04L 67/12 specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
• CPC Class Codes: H04L 69/18 Multiprotocol handlers, e.g. single devices capable of handling multiple protocols
• CPC Class Codes: H04W 4/70 Services for machine-to-machine communication [M2M] or machine type communication [MTC]
• CPC Class Codes: H04W 48/18 Selecting a network or a communication service
• CPC Class Codes: H04W 84/18 Self-organising networks, e.g. ad-hoc networks or sensor networks
• CPC Class Codes: H04W 88/06 adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals
• CPC Class Codes: Y04S 40/18 Network protocols supporting networked applications, e.g. including control of end-device applications over a network

Abstract

A sensor network is disclosed, and includes a first network based on a wireless communication protocol, a second network based on a power line communication protocol, and at least one sensor node in communication with one of the first network and the second network. The sensor node includes at least one sensor and a control module in communication with the at least one sensor. The control module includes control logic for selecting one of the first network and the second network based on at least one operating parameter of the sensor network.

Claims

1. A sensor network for selecting one of a wireless connection and a wired connection, the sensor network comprising:

a server;

a sensor data concentrator connected to the server;

a first network based on a wireless communication protocol;

a second network based on a power line communication protocol connected to the sensor data concentrator and to the server;

the sensor data concentrator having a first control module including a first memory storing at least one power line stack based on the power line communication protocol, and at least one wireless stack based on the wireless communication protocol, wherein the at least one power line stack includes a first media access (MAC) layer and the at least one wireless stack includes a second MAC layer, wherein the first MAC layer and the second MAC layer both conform to the wireless communication protocol; and

at least one sensor node in communication with the sensor data concentrator over both the first network and the second network, and with the server over the second network, the at least one sensor node including at least one sensor and a second control module in communication with the at least one sensor, the second control module including control logic for selecting either the first network or the second network to communicate with the sensor data concentrator over the first and the second network, and with the server over the second network, wherein selection of the first or the second network by the first and the second control modules is based on at least one operating parameter of the sensor network, wherein the first network is a default connection that is used unless the control module transmits secure data.

2. The sensor network of claim 1, wherein the at least one wireless stack and the at least one power line stack are both based on a seven-layer Open Systems Interconnect (OSI) model, and wherein both the at least one wireless stack and the at least one power line stack each include a plurality of layers.

3. The sensor network of claim 2, wherein the at least one operating parameter is based on whether a specific layer of the plurality of layers of either the at least one wireless stack or the at least one power line stack is unavailable.

4. The sensor network of claim 2, wherein the at least one operating parameter is whether a physical (PHY) layer of the at least one wireless stack or the at least one power line stack is unavailable.

5. The sensor network of claim 2, wherein the at least one operating parameter is based on a higher level layer of the at least one wireless stack or the at least one power line stack.

6. The sensor network of claim 1, wherein the wireless communication protocol is based on an Institute of Electrical and Electronics Engineers (IEEE) 802.15.4 protocol.

7. The sensor network of claim 1, wherein the power line communication protocol is a narrow-band power line communication that operates at frequency bands below about 500 kiloHertz (kHz).

8. The sensor network of claim 1, wherein the power line communication protocol utilizes one of an existing alternating current (AC) power line and an existing direct current (DC) power line within an aircraft.

9. The sensor network of claim 1, wherein the data concentrator is in communication with the server over a data connection, optionally an Ethernet connection.

10. The sensor network of claim 9, wherein the second control module includes a second memory storing at least one power line stack based on the power line communication protocol, and at least one wireless stack based on the wireless communication protocol, wherein the at least one power line stack includes a first media access (MAC) layer and the at least one wireless stack includes a second MAC layer, and wherein the first MAC layer and the second MAC layer both conform to the wireless communication protocol.

11. The sensor network of claim 9, wherein a network stack configuration of the second control module is saved within the second memory of the second control module.

12. The sensor network of claim 1, further comprising an interface that connects the first network based on the wireless communication protocol and the second network based on the power line communication protocol with the control module.

13. The sensor network of claim 12, wherein the interface is an enhanced serial peripheral interface (SPI) based on an IEEE 802.15.4 protocol.

14. A method of selecting one of a first network and a second network within a sensor network of an aircraft, the first network being a wireless protocol network connected between a sensor node and a sensor data concentrator, and the second network being a power line communication protocol network connected between the sensor node and the sensor data concentrator and between the sensor node and a server, the method comprising:

detecting, by a first control module in the sensor data concentrator, at least one operating parameter of the sensor network, wherein the first network is a default connection that is used unless the control module transmits secure data, in which the first control module includes a memory storing at least one power line stack based on a power line communication protocol and at least one wireless stack based on a wireless communication protocol, and the at least one power line stack includes a first media access (MAC) layer and the at least one wireless stack includes a second MAC layer, and wherein the first MAC layer and the second MAC layer both conform to the wireless communication protocol; and

selecting, by the first control module, either the first network or the second network based on the at least one operating parameter of the sensor network, wherein the sensor node communicates with the sensor data concentrator over the first network based on the wireless communication protocol, the sensor node communicates with the sensor data concentrator and with the server over the second network based on the power line communication protocol, and the first control module is part of at least one sensor node in communication with the first network and the second network.

15. The method of claim 14, wherein the at least one wireless stack and the at least one power line stack are both based on a seven-layer Open Systems Interconnect (OSI) model, and wherein both the at least one wireless stack and the at least one power line stack include a plurality of layers.

16. The method of claim 14, comprising selecting one of the first network and the second network based on the at least one operating parameter of the sensor network by a second control module, wherein the data concentrator is in communication with one of the first network and the second network, and the data concentrator includes a second control module.

17. The method of claim 14, wherein the wireless communication protocol is based on an IEEE 802.15.4 protocol.

18. The method of claim 14, comprising connecting the first network based on the wireless communication protocol and the second network based on the power line communication protocol with the control module by an interface.

19. The method of claim 18, wherein the interface is an enhanced serial peripheral interface (SPI) based on an IEEE 802.15.4 protocol.