Method of controlling a communication system in a motor vehicle
First Claim
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1. A method of operating a motor vehicle, comprising the steps of:
- transmitting information at a transmitting power;
determining a number of remote vehicles in communication with the motor vehicle, the communication being established on a vehicle communication network;
determining if the number of remote vehicles is greater than a maximum allowed number, the maximum allowed number being associated with channel saturation of the vehicle communication network;
reducing the transmitting power when the number of remote vehicles is greater than the maximum allowed number; and
further comprising;
determining if the transmitting power is less than a maximum power when the number of remote vehicles is not greater than the maximum allowed number; and
increasing the transmitting power when a predetermined time has passed since the transmitting power was at the maximum power.
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Abstract
A method of reducing channel utilization in a vehicle communication network is disclosed. The method includes a step of reducing the transmitting power of messages sent over the vehicle communication network when channel saturation occurs. The method also includes a step of increasing the transmitting period of messages sent over the vehicle communication network when channel saturation occurs. The method further includes steps of modifying the transmitting power and transmitting period of messages according to vehicle speed.
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Citations
20 Claims
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1. A method of operating a motor vehicle, comprising the steps of:
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transmitting information at a transmitting power; determining a number of remote vehicles in communication with the motor vehicle, the communication being established on a vehicle communication network; determining if the number of remote vehicles is greater than a maximum allowed number, the maximum allowed number being associated with channel saturation of the vehicle communication network; reducing the transmitting power when the number of remote vehicles is greater than the maximum allowed number; and further comprising; determining if the transmitting power is less than a maximum power when the number of remote vehicles is not greater than the maximum allowed number; and increasing the transmitting power when a predetermined time has passed since the transmitting power was at the maximum power. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A method of operating a motor vehicle, comprising the steps of:
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transmitting information at a transmitting period, the transmitting period comprising an interval of time between successive messages; determining a number of remote vehicles in communication with the motor vehicle, the communication being established on a vehicle communication network; determining if the number of remote vehicles is greater than a maximum allowed number, the maximum allowed number being associated with channel saturation of the vehicle communication network; and increasing the transmitting period when the number of remote vehicles is greater than the maximum allowed number such that successive messages are sent less frequently. - View Dependent Claims (8, 9, 10, 11)
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12. A method of operating a motor vehicle, comprising the steps of:
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transmitting information using a transmitting characteristic; determining a vehicle speed; determining a number of remote vehicles in communication with the motor vehicle, the communication being established on a vehicle communication network; determining if the number of remote vehicles is greater than a maximum allowed number, the maximum allowed number being associated with channel saturation of the vehicle communication network; adjusting the transmitting characteristic associated with transmitting information based on the vehicle speed when the number of remote vehicles is greater than the maximum allowed number. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20)
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Specification