Tire pressure monitoring (TPM) system and method of operating the same
First Claim
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1. A method of operating a tire pressure monitoring (TPM) system for a vehicle, comprising the steps of:
- (a) assessing wireless communication within the TPM system;
(b) if the wireless communication is not satisfactory, then assessing one or more vehicle operating conditions that affect wireless communication within the TPM system and selecting a new wireless setting from a plurality of choices, the selection of the new wireless setting is based at least partially on the assessed vehicle operating condition;
(c) configuring a component of the TPM system with the newly selected wireless setting; and
(d) wirelessly communicating with the newly configured component of the TPM system.
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Abstract
There is provided an exemplary tire pressure monitoring (TPM) system that can use a half-duplex wireless link to communicate between one or more wheel-mounted sensor units and a vehicle-mounted transceiver unit. The half-duplex wireless link enables the sensor units to report sensor readings to the transceiver unit, and it enables the transceiver unit to make configuration changes to the sensor units for improved communication. Some examples of wireless settings that can be modified include modulation settings, data encoding/decoding settings, error correction settings, and transmission power settings.
9 Citations
25 Claims
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1. A method of operating a tire pressure monitoring (TPM) system for a vehicle, comprising the steps of:
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(a) assessing wireless communication within the TPM system; (b) if the wireless communication is not satisfactory, then assessing one or more vehicle operating conditions that affect wireless communication within the TPM system and selecting a new wireless setting from a plurality of choices, the selection of the new wireless setting is based at least partially on the assessed vehicle operating condition; (c) configuring a component of the TPM system with the newly selected wireless setting; and (d) wirelessly communicating with the newly configured component of the TPM system. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A tire pressure monitoring (TPM) system for a vehicle, comprising:
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a sensor unit that is mounted on a vehicle wheel and can both send and receive wireless communications; a transceiver unit that is mounted on the vehicle and can both send and receive wireless communications; and a half-duplexed wireless link established between the sensor unit and the transceiver unit, wherein the half-duplexed wireless link is configured with at least one wireless setting that is selected on the basis of a current vehicle operating condition that can affect wireless communication within the TPM system.
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14. A method of operating a tire pressure monitoring (TPM) system for a vehicle, comprising the steps of:
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(a) assessing wireless communication within the TPM system; (b) if the wireless communication is not satisfactory, then selecting at least one new wireless setting from the group consisting of;
a modulation setting, a data encoding/decoding setting, an error correction setting, or a transmission power setting;(c) configuring a component of the TPM system with the newly selected wireless setting; and (d) wirelessly communicating with the newly configured component of the TPM system. - View Dependent Claims (15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25)
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Specification