Method and system for managing data transmission from a plurality of sensor devices included in a tyre
First Claim
1. A method for managing transmission of data from a plurality of sensor devices in a tyre fitted on a vehicle, comprising:
- providing said plurality of sensor devices at predefined respective positions in said tyre;
providing a transmission coordinator on said vehicle, outside of said tyre;
rotating said tyre and having said plurality of sensor devices obtaining data related to a condition of said tyre during rotation thereof; and
causing said plurality of sensor devices to wirelessly transmit the obtained data,wherein causing said plurality of sensor devices to wirelessly transmit said obtained data comprises;
sending timing information from said transmission coordinator, said timing information being at least related to a maximum allowed time interval for transmission of obtained data from said plurality of sensor devices;
at each sensor device of said plurality of sensor devices, receiving said timing information and calculating at least one respective transmission timeslot for the transmission of the obtained data within said maximum allowed time interval, so as to obtain a respective plurality of non-overlapping transmission timeslots; and
at each sensor device of the plurality of sensor devices, waiting for respective calculated at least one transmission timeslot and wirelessly transmitting the obtained data within the respective calculated at least one transmission timeslot.
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Accused Products
Abstract
Wireless transmission from sensor devices included in tires is coordinated by a receiving unit associated with the tire, or transmission coordinator. In more detail, every sensor device is made aware of an overall time window available for transmission, and based on at least this information, it calculates a dedicated timeslot for the transmission of its data within such time window. This coordinated transmission makes possible a strong reduction of the probability of collisions and transmission errors, and reduces the number of transmissions, so as to comply with the limited power resources available at each sensor device.
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Citations
29 Claims
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1. A method for managing transmission of data from a plurality of sensor devices in a tyre fitted on a vehicle, comprising:
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providing said plurality of sensor devices at predefined respective positions in said tyre; providing a transmission coordinator on said vehicle, outside of said tyre; rotating said tyre and having said plurality of sensor devices obtaining data related to a condition of said tyre during rotation thereof; and causing said plurality of sensor devices to wirelessly transmit the obtained data, wherein causing said plurality of sensor devices to wirelessly transmit said obtained data comprises; sending timing information from said transmission coordinator, said timing information being at least related to a maximum allowed time interval for transmission of obtained data from said plurality of sensor devices; at each sensor device of said plurality of sensor devices, receiving said timing information and calculating at least one respective transmission timeslot for the transmission of the obtained data within said maximum allowed time interval, so as to obtain a respective plurality of non-overlapping transmission timeslots; and at each sensor device of the plurality of sensor devices, waiting for respective calculated at least one transmission timeslot and wirelessly transmitting the obtained data within the respective calculated at least one transmission timeslot. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A system for monitoring a tyre fitted on a vehicle comprising:
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a plurality of sensor devices capable of being adapted to obtain data related to a condition of said tyre during rotation thereof and to wirelessly transmit obtained data outside of said tyre; and a transmission coordinator capable of being adapted to receive said obtained data transmitted by said plurality of sensor devices, wherein said transmission coordinator is further capable of being adapted to send timing information to said plurality of sensor devices, said timing information being at least related to a maximum allowed time interval for the transmission of the obtained data from said plurality of sensor devices; each sensor device of said plurality of sensor devices is further capable of being adapted to receive said timing information and calculate at least one respective transmission timeslot for the transmission of the obtained data within said maximum allowed time interval, so as to obtain a respective plurality of non-overlapping transmission timeslots; and each sensor device of the plurality of sensor devices is further capable of being adapted to wait for a respective calculated at least one transmission timeslot and to wirelessly transmit the obtained data within the respective calculated at least one transmission timeslot. - View Dependent Claims (15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29)
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Specification