VEHICULAR COMMUNICATION SYSTEM AND IN-VEHICLE COMMUNICATION APPARATUS
First Claim
1. A vehicular communication system comprising a mobile device configured to wirelessly transmit a signal related to operation of a vehicle in a predetermined frequency band, an in-vehicle wireless device configured to wirelessly transmit a signal related to the vehicle in the predetermined frequency band, and an in-vehicle communication apparatus provided in a different part from the in-vehicle wireless device and configured to wirelessly communicate with the mobile device and the in-vehicle wireless device,the in-vehicle communication apparatus including:
- an in-vehicle receiving unit configured to receive the signals transmitted from the mobile device and the in-vehicle wireless device;
a determination unit configured to determine whether there is crosstalk, based on the signals received with the in-vehicle receiving unit; and
an in-vehicle transmitting unit configured to transmit, to the mobile device or the in-vehicle wireless device, a stop signal instructing to stop signal transmission, in a case where it is determined with the determination unit that crosstalk has occurred, andthe mobile device or the in-vehicle wireless device stopping signal transmission, in a case where the stop signal is received, andthe in-vehicle transmitting unit transmitting the stop signal to the in-vehicle wireless device before the signal is transmitted from the in-vehicle wireless device, in a case where the in-vehicle receiving unit receives the signal transmitted from the mobile device after transmitting, to the in-vehicle wireless device, a request signal requesting signal transmission.
1 Assignment
0 Petitions
Accused Products
Abstract
Provided is a vehicular communication system configured to prevent crosstalk between signals transmitted from an in-vehicle wireless device constituting one wireless communication system such as a TPMS and a mobile device constituting another wireless communication system. The vehicular communication system includes a mobile device wirelessly transmitting a signal related to operation of a vehicle, an in-vehicle wireless device wirelessly transmitting a signal related to the vehicle, and an in-vehicle communication apparatus provided in a different part from the in-vehicle wireless device and wirelessly communicates with the mobile device and the in-vehicle wireless device. The in-vehicle communication apparatus receives signals transmitted from the mobile device and the in-vehicle communication apparatus, and determines whether there is crosstalk. The in-vehicle communication apparatus transmits to the mobile device or the in-vehicle wireless device, a stop signal instructing to stop signal transmission when crosstalk has occurred.
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Citations
10 Claims
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1. A vehicular communication system comprising a mobile device configured to wirelessly transmit a signal related to operation of a vehicle in a predetermined frequency band, an in-vehicle wireless device configured to wirelessly transmit a signal related to the vehicle in the predetermined frequency band, and an in-vehicle communication apparatus provided in a different part from the in-vehicle wireless device and configured to wirelessly communicate with the mobile device and the in-vehicle wireless device,
the in-vehicle communication apparatus including: -
an in-vehicle receiving unit configured to receive the signals transmitted from the mobile device and the in-vehicle wireless device; a determination unit configured to determine whether there is crosstalk, based on the signals received with the in-vehicle receiving unit; and an in-vehicle transmitting unit configured to transmit, to the mobile device or the in-vehicle wireless device, a stop signal instructing to stop signal transmission, in a case where it is determined with the determination unit that crosstalk has occurred, and the mobile device or the in-vehicle wireless device stopping signal transmission, in a case where the stop signal is received, and the in-vehicle transmitting unit transmitting the stop signal to the in-vehicle wireless device before the signal is transmitted from the in-vehicle wireless device, in a case where the in-vehicle receiving unit receives the signal transmitted from the mobile device after transmitting, to the in-vehicle wireless device, a request signal requesting signal transmission. - View Dependent Claims (2, 3, 4, 6, 7, 8, 9)
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5. (canceled)
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10. An in-vehicle communication apparatus that communicates with a mobile device configured to wirelessly transmit a signal related to operation of a vehicle in a predetermined frequency band and an in-vehicle wireless device configured to wirelessly transmit a signal related to the vehicle in the predetermined frequency band, comprising:
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an in-vehicle receiving unit configured to receive the signals in the predetermined frequency band; a determination unit configured to determine whether there is crosstalk, based on the signals received with the in-vehicle receiving unit; and an in-vehicle transmitting unit configured to transmit, to the mobile device or the in-vehicle wireless device, a stop signal instructing to stop signal transmission, in a case where it is determined with the determination unit that crosstalk has occurred, wherein the in-vehicle transmitting unit transmits the stop signal to the in-vehicle wireless device before the signal is transmitted from the in-vehicle wireless device, in a case where the in-vehicle receiving unit receives the signal transmitted from the mobile device after transmitting, to the in-vehicle wireless device, a request signal requesting signal transmission.
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Specification