Application US20190138018

AUTONOMOUS DRIVING SYSTEM EMERGENCY SIGNALING
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US20190138018

1. A vehicular autonomous driving system comprising: (5) (4)

a time division multiplexed (TDM) bus;

an autonomous driving controller coupled to the TDM bus;

a plurality of autonomous driving sensors coupled to the TDM bus and configured to: collect autonomous driving data; and

transmit collected autonomous driving data to the autonomous driving controller on the TDM bus in an assigned time slot at a first power level; and

a first autonomous driving sensor of the plurality of autonomous driving sensors configured to: based upon collected autonomous driving data, detect an autonomous driving emergency event; and

in response to a detected autonomous driving emergency event, transmit an autonomous driving emergency message on the TDM bus in a non-assigned time slot and at a second power level that exceeds the first power level.

2. The vehicular autonomous driving system of claim 1, wherein: (0) (2)

3. The vehicular autonomous driving system of claim 1, wherein the second power level is 6 dB greater than the first power level. (0)

4. The vehicular autonomous driving system of claim 1, wherein a second autonomous driving sensor of the plurality of autonomous driving sensors is configured to: (0) (2)

5. The vehicular autonomous driving system of claim 1, wherein the first autonomous driving sensor of the plurality of autonomous driving sensors is configured to transmit the autonomous driving emergency message on the TDM bus in a predetermined sub-time slot of the non-assigned time slot at the second power level, the predetermined sub-time slot identifying the first autonomous driving sensor of the plurality of autonomous driving sensors. (0)

6. The vehicular autonomous driving system of claim 1, wherein the autonomous driving controller is configured to reassign time slots on the TDM bus after detection of the autonomous driving emergency message. (0)

7. An autonomous driving sensor comprising: (4) (5)

a data collection component configured to collect autonomous driving data;

processing circuitry;

memory; and

a transceiver coupled to the processing circuitry and configured to communicate with an autonomous driving controller via a time division multiplexed (TDM) bus,

wherein the processing circuitry and the transceiver are configured to: transmit first autonomous driving data to the autonomous driving controller on the TDM bus in at least one assigned time slot at a first power level;

detect an autonomous driving emergency event based upon at least second collected autonomous driving data; and

in response to the detected autonomous driving emergency event, transmit an autonomous driving emergency message on the TDM bus in a non-assigned time slot and at a second power level that exceeds the first power level.

8. The autonomous driving sensor of claim 7, wherein: (0) (2)

9. The autonomous driving sensor of claim 7, wherein the second power level is 6 dB greater than the first power level. (0)

10. The autonomous driving sensor of claim 7, wherein the processing circuitry and the transceiver are further configured to: (0) (2)

11. The autonomous driving sensor of claim 7, wherein the processing circuitry and the transceiver are further configured to transmit the autonomous driving emergency message on the TDM bus in a predetermined sub-time slot of the non-assigned time slot at the second power level, the predetermined sub-time slot of the non-assigned time slot identifying the autonomous driving sensor of a plurality of autonomous driving sensors. (0)

12. An autonomous driving controller comprising: (4) (4)

processing circuitry;

memory; and

a transceiver coupled to at least the processing circuitry and configured to communicate with a plurality of autonomous driving sensors via a time division multiplexed (TDM) bus,

wherein the processing circuitry and the transceiver are configured to: assign TDM bus time slots to the plurality of autonomous driving sensors;

direct the plurality of autonomous driving sensors to transmit data in assigned time slots;

receive first autonomous driving data from the plurality of autonomous driving sensors transmit data in assigned time slots at a first power level;

detect an autonomous driving emergency message at a second power level that exceeds the first power level; and

receive the autonomous driving emergency message.

13. The autonomous driving controller of claim 12, wherein: (0) (2)

14. The autonomous driving controller of claim 12, wherein the second power level is 6 dB greater than the first power level. (0)

15. The autonomous driving controller of claim 12, wherein the processing circuitry and the transceiver are further configured to: (0) (2)

16. The autonomous driving controller of claim 12, wherein the processing circuitry and the transceiver are further configured to: (0) (2)

17. A method of operating an autonomous driving controller comprising: (4) (6)

communicating with a plurality of autonomous driving sensors via a time division multiplexed (TDM) bus;

assigning TDM bus time slots to the plurality of autonomous driving sensors;

directing the plurality of autonomous driving sensors to transmit data in assigned time slots;

receiving first autonomous driving data from the plurality of autonomous driving sensors transmit data in assigned time slots at a first power level;

detecting an autonomous driving emergency message at a second power level that exceeds the first power level; and

receiving the autonomous driving emergency message.

18. The method of claim 17, wherein: (0) (2)

19. The method of claim 17, wherein the second power level is 6 dB greater than the first power level. (0)

20. The method of claim 17, further comprising: (0) (2)

21. The method of claim 17, further comprising: (0) (2)

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Application US20190138018

AUTONOMOUS DRIVING SYSTEM EMERGENCY SIGNALING

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