A method of localizing a TPMS sensor module includes transmitting, by the TPMS sensor module, a TPMS signal; and localizing, by a localization module, the TPMS sensor module based on receiving the TPMS signal at a phase array antenna including a plurality of reception antennas each configured to receive the TPMS signal. Localizing the TPMS sensor module includes measuring a phase of the TPMS signal at each of the plurality of reception antennas such that a plurality of phases corresponding to the TPMS signal are determined, and determining a location of the TPMS sensor module based on the plurality of phases.

A tire mounting state detection system (100) is provided with a vehicle configuration holding unit (230) holding a vehicle configuration including the number of wheels of a vehicle (10); a transmitter number detection unit (250) detecting the number of transmitters based on a radio signal received by a receiving unit; a state detection unit (260) detecting whether or not the number of transmitters exceeds or is short the number of wheels based on the number of wheels based on the vehicle configuration and the number of transmitters detected; and an output unit (270) outputting that the state of the transmitter is abnormal when it is determined that the number of transmitters exceeds or is short the number of wheels.

A reader system for a tire with an integrated radio frequency identification (RFID) and tire pressure monitoring system (TPMS) sensor, in which the integrated RFID and TPMS sensor is mounted on the tire, is provided. The reader system includes at least one antenna that is external to the tire. The at least one antenna is mounted on a vehicle on which the tire is mounted in a location proximate the tire. The at least one antenna is in electronic communication with the integrated RFID and TPMS sensor. A reader is mounted on the vehicle and is also in electronic communication with the at least one antenna. The at least one antenna relays a signal from the integrated RFID and TPMS sensor to the reader. A display device is in electronic communication with the reader to receive and display data from the integrated RFID and TPMS sensor.

Embodiments of the present invention relate to the technical field of automobiles and disclose a tire positioning method and apparatus, an electronic control unit (ECU) and a tire pressure sensor. The method includes: successively controlling, within a transmission cycle, one of L exciter sets to send a low-frequency signal, L being an integer greater than 1; receiving high-frequency signals fed back by N tire pressure sensors according to the low-frequency signals, N being an integer greater than 1; determining a correspondence between one of the L exciter sets and M tire pressure sensors according to the high-frequency signals, M being an integer greater than 1; and after a quantity of transmission cycles reaches a preset threshold, determining a tire corresponding to each of the N tire pressure sensors according to the correspondence between the exciter set and the M tire pressure sensors determined in each transmission cycle. The tire positioning method is accurate and reliable.

A system and method include, among other things, providing at least one vehicle transceiver and at least one tire information sensor for a tire on a vehicle and wirelessly communicating between the at least one vehicle transceiver and the at least one tire information sensor via a signal. A phase shift in the signal is determined and a physical distance between the at least one vehicle transceiver and the at least one tire information sensor is determined based on the phase shift. A position of the at least one tire information sensor within the vehicle is then determined based on the physical distance.

The tire mount position detection system measures a first signal intensity, which is intensity of a radio signal received by a first receiver (R1), and a second signal intensity, which is intensity of a radio signal received by a second receiver (R2), for each transmitter, and calculates a difference of the first signal intensity and the second signal intensity and a total value of the first signal intensity and the second signal intensity for each transmitter. The tire mount position detection system detects the wheel position to which a tire having the transmitter is mounted, based on the difference and the total value of each transmitter.

A tire mount position detection system measures a first signal intensity, which is intensity of a radio signal received by a first receiver (R1), and a second signal intensity, which is intensity of a radio signal received by a second receiver (R2), for each transmitter, and calculates a total value of the first signal intensity and the second signal intensity for each transmitter. The tire mount position detection system detects the wheel position to which a tire having the transmitter is mounted, based on the first signal intensity, the second signal intensity, and the total value of each transmitter.

Method and apparatus are disclosed for localizing vehicle TPMS sensors. An example vehicle includes a plurality of TPMS sensors, an antenna, and a processor. The processor is configured for determining signal strength values between each of the plurality of TPMS sensors and the antenna, and based on the signal strength values, determining a location of each of the plurality of TPMS sensors.

A method of localizing a TPMS sensor module includes transmitting, by the TPMS sensor module, a TPMS signal; and localizing, by a localization module, the TPMS sensor module based on receiving the TPMS signal at a phase array antenna including a plurality of reception antennas each configured to receive the TPMS signal at a different phase, where the plurality of reception antennas include a reference reception antenna and at least one additional reception antenna. Localizing the TPMS sensor module includes measuring a reference phase of the TPMS signal received at the reference reception antenna, measuring a respective shifted phase of the TPMS signal received at each of the at least one additional reception antenna, determining a respective phase shift between the reference phase and each respective shifted phase, and determining a location of the TPMS sensor module based on each determined respective phase shift corresponding to the TPMS signal.

A tire mount position detection system measures a first signal intensity, which is intensity of a radio signal received by a first receiver (R1), and a second signal intensity, which is intensity of a radio signal received by a second receiver (R2), for each transmitter, and calculates a total value of the first signal intensity and the second signal intensity for each transmitter. The tire mount position detection system detects the wheel position to which a tire having the transmitter is mounted, based on the first signal intensity, the second signal intensity, and the total value of each transmitter.