Tyre pressure monitoring devices enforcing range limitation on communication
A tyre monitoring device, tyre monitoring system and method including a wireless interface having range determining capability and a processor. The processor: receives a command via the wireless interface from a second device of the tyre monitoring system; determines a range to the second device; and executes the command if the range to the second device is less than a predetermined threshold.
1. A tire monitoring device configured to be mounted on an aircraft wheel and for use in a tire monitoring system, the tire monitoring device comprising:
a wireless interface having distance determining capability; and
a processor configured to:
receive a command via the wireless interface from a wireless transmission from a second device of the tire monitoring system;
in response to receiving the command, determine a distance to the second device, wherein the distance to the second device is the length between the second device and the wireless interface; and
execute the command if the distance to the second device is less than a predetermined threshold.
2. A tire monitoring device configured to be mounted on an aircraft wheel for use in a tire monitoring system, the tire monitoring device comprising:
a wireless interface having distance determining capability; and
a processor configured to:
receive data via the wireless interface from a wireless transmission from a second device of the tire monitoring system;
in response to receiving the data, determine a distance to the second device, wherein the distance to the second device is the length between the second device and the wireless interface; and
reject the data if the distance to the second device is greater than a predetermined threshold.
3. The tire monitoring device according to claim 2 , wherein the processor is configured to:
receive a command via the wireless interface from a third device of the tire monitoring system;
determine a distance to the third device, wherein the distance to the third device is the length between the third device and the wireless interface; and
act on the command if the distance to the third device is less than a predetermined threshold.
4. The tire monitoring device according to claim 1 , wherein the wireless interface comprises an ultra-wideband interface.
5. The tire monitoring device according to claim 1 , wherein the predetermined threshold is less than or equal to 40 m.
6. A tire monitoring system comprising a plurality of tire monitoring devices according to claim 1 .
7. The tire monitoring system according to claim 6 , further comprising a control device comprising a wireless communication interface having a distance determining capability.
8. A method for a wireless tire monitoring device mounted on an aircraft wheel and including a wireless interface, the method comprising:
receiving wirelessly a command via the wireless interface from a second device;
in response to the receiving the command, the tire monitoring device determining a distance to the second device, wherein the distance to the second device is the length between the second device and the wireless tire monitoring device; and
the tire monitoring device acting on the command if the distance to the second device is less than a predetermined threshold.
9. A method for a wireless tire monitoring device mounted on an aircraft wheel and including a wireless interface, the method comprising:
receiving wirelessly data via the wireless interface from a second device;
in response to the receiving of the data, the tire monitoring device determining a distance to the second device, wherein the distance to the second device is the length between the second device and the wireless interface; and
rejecting the data, by the tire monitoring device, if the distance to the second device is greater than a predetermined threshold.
10. The method according to claim 9 , further comprising:
receiving a command via the wireless interface from a third device of the tire monitoring system;
in response to the receiving of the command, the tire monitoring device determining a distance to the third device, wherein the distance to the third device is the length between the third device and the wireless interface; and
acting on the command, by the tire monitoring device mounted, if the distance to the third device is less than a predetermined threshold.
11. The method according to claim 8 , wherein the wireless interface comprises an ultra-wideband interface.
12. The method according to claim 8 , wherein the predetermined threshold is less than or equal to 40 m.
13. The tire monitoring device of claim 1 , wherein the processor is configured to make the determination of the distance using a time of flight of a wireless signal exchanged between the tire monitoring device and the second device.
14. The tire monitoring device of claim 2 , wherein the processor is configured to make the determination of the distance using a time of flight of a wireless signal exchanged between the tire monitoring device and the second device.
15. The method of claim 8 , wherein the determining of the distance is made using a time of flight of a wireless signal exchanged between the tire monitoring device and the second device.
16. The method of claim 9 , wherein the determining of the distance is made using a time of flight of a wireless signal exchanged between the tire monitoring device and the second device.
17. The tire monitoring device of claim 1 , wherein the second device is external to an aircraft on which is mounted the aircraft wheel.
18. The tire monitoring device of claim 2 , wherein the second device is external to an aircraft on which is mounted the aircraft wheel.
19. The method of claim 8 , wherein the second device is external to an aircraft on which is mounted the aircraft wheel.
20. The method of claim 9 , wherein the second device is external to an aircraft on which is mounted the aircraft wheel.