Tire pressure monitoring system (TPMS) module, system and method of acknowledging data transmissions for TPMS

Patent metadata

Field	Value
Publication number	US-10932304-B2
Application number	US-202016819651-A
Country	US
Kind code	B2
Filing date	Mar 16, 2020
Priority date	Jan 23, 2018
Publication date	Feb 23, 2021
Grant date	Feb 23, 2021

Abstract

A method of acknowledging data transmissions for a tire pressure monitoring system (TPMS) sensor module includes generating tire pressure information based on measuring an internal air pressure of a tire; selectively operating a transceiver in an advertising mode and a standby mode; transmitting, by the transceiver, a message including the pressure information while in the advertising mode; on a condition that the transceiver receives, in the advertising mode, an acknowledgement in response to the transmitted message, setting the transceiver into the standby mode; while the transceiver is in the advertising mode and on a condition that the transceiver does not receive any acknowledgement in response to the transmitted message within a waiting period, instructing the transceiver to retransmit the message via a command; and retransmitting the message, by the transceiver, in the advertising mode after the waiting period in response to the command.

First claim

What is claimed is:

1. A method of acknowledging data transmissions for a tire pressure monitoring system (TPMS) sensor module, the method comprising:
generating tire pressure information based on measuring an internal air pressure of a tire;
selectively operating a transceiver in an advertising mode and a standby mode;
transmitting, by the transceiver, a message including the pressure information while in the advertising mode;
on a condition that the transceiver receives, in the advertising mode, an acknowledgement in response to the transmitted message, setting the transceiver into the standby mode;
while the transceiver is in the advertising mode and on a condition that the transceiver does not receive any acknowledgement in response to the transmitted message within a waiting period, instructing the transceiver to retransmit the message via a first command; and
retransmitting the message, by the transceiver, in the advertising mode after the waiting period in response to the first command.

2. The method of claim 1 , wherein the transceiver is a Bluetooth transceiver, and the message and the acknowledgement are provided in Bluetooth transmissions.

3. The method of claim 2 , wherein the advertising mode is a Bluetooth advertising mode for transmitting the message and receiving the acknowledgement.

4. The method of claim 1 , further comprising:
on the condition that the transceiver receives the acknowledgement, setting the transceiver into the standby mode for a predetermined time period.

5. The method of claim 4 , further comprising:
after expiration of the predetermined time period, enabling the transceiver;
in response to being enabled after the predetermined time period, transmitting, by the transceiver, an update message including an update to the tire pressure information while in the advertising mode;
on a condition that the transceiver receives another acknowledgement in response to the transmitted update message, setting the transceiver into the standby mode;
on a condition that the transceiver does not receive any acknowledgement in response to the transmitted update message, instructing the transceiver to retransmit the update message via a second command; and
retransmitting the update message, by the transceiver in response to the second command.

6. The method of claim 1 , further comprising:
retransmitting the message up to a maximum number of times, and
on a condition the acknowledgment is not received in response to the message being transmitted the maximum number of times, disabling the transceiver for a delay period.

7. The method of claim 1 , wherein:
the acknowledgement includes a request to enter a connected mode, and the method further comprising:
on a condition that the acknowledgement includes the request to enter the connected mode, overriding entering into the standby mode, and instructing the transceiver to enter the connected mode.

8. The method of claim 7 , wherein the acknowledgement that includes the request to enter the connected mode further includes an identifier that is exclusive to the TPMS sensor module.

9. The method of claim 1 , wherein:
the acknowledgement includes a request for data, and the method further comprises:
on a condition that the acknowledgement includes the request for data, overriding entering into the standby mode, and instructing the transceiver to transmit the data requested.

10. The method of claim 1 , wherein:
the acknowledgement includes an originator identifier corresponding to an originator of the acknowledgement, and the method further comprises:
adding the originator identifier to a trusted device list.

11. The method of claim 1 , further comprising:
on the condition that the transceiver receives the acknowledgement, setting the transceiver into the standby mode for a predetermined time period;
retransmitting, by the transceiver, the message up to a maximum number of times; and
on a condition the acknowledgment is not received in response to the message being transmitted the maximum number of times, disabling the transceiver for a delay period, wherein the delay period is longer than the predetermined time period.

12. A method of acknowledging data transmissions for a tire pressure monitoring system (TPMS) sensor module, the method comprising:
generating tire pressure information based on measuring an internal air pressure of a tire;
transmitting, by a transceiver, a message including the pressure information;
on a condition that the transceiver receives an acknowledgement in response to the transmitted message, setting the transceiver into a standby mode,
on a condition that the transceiver does not receive any acknowledgement in response to the transmitted message within a waiting period, instructing the transceiver to retransmit the message via a command;
retransmitting, by the transceiver, the message after the waiting period in response to the command;
on the condition that the transceiver receives the acknowledgement, setting the transceiver into the standby mode for a predetermined time period;
retransmitting, by the transceiver, the message up to a maximum number of times; and
on a condition the acknowledgment is not received in response to the message being transmitted the maximum number of times, disabling the transceiver for a delay period, wherein the delay period is longer than the predetermined time period.

13. The method of claim 12 , wherein:
the acknowledgement includes a request to enter a connected mode, and the method further comprises:
on a condition that the acknowledgement includes the request to enter the connected mode, overriding entering into the standby mode, and instructing the transceiver to enter the connected mode.

14. The method of claim 12 , wherein:
the acknowledgement includes a request for data, and the method further comprises:
on a condition that the acknowledgement includes the request for data, overriding entering into the standby mode, and instructing the transceiver to transmit the data requested.

Assignees

• Infineon Technologies Ag

Inventors

• Kandler Michael
• Scheibenzuber Wolfgang
• Werner Maximilian

Classifications

• B60C23/0484

  Detecting an ongoing tyre inflation · CPC title

• H04W4/80

  Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication · CPC title

• H04L2001/0093

  Point-to-multipoint · CPC title

• H04Q2209/883

  where the sensing device enters an active or inactive mode · CPC title

• H04B1/3822

  specially adapted for use in vehicles (H04B1/3827 takes precedence) · CPC title