Vehicle network transmission method and transmission system
First Claim
1. A vehicle network transmission method, comprising the steps of:
- a first transmission device transmitting a data signal to a second transmission device;
determining whether the second transmission device is located in a target area;
retrieving a geographic location of the first transmission device if the second transmission device is located in the target area;
calculating a signal transmission distance of the first transmission device based on an attenuation model of a received signal strength intensity (RSSI) of the second transmission device; and
determining whether at least one third transmission device adjacent to the second transmission device in the target area is located in the signal transmission distance;
wherein the second transmission device does not continue forwarding the data signal to the at least one third transmission device upon determining that the at least one third transmission device adjacent to the second transmission device in the target area is located in the signal transmission distance of the first transmission device, and the second transmission device determines whether to forward the data signal to the at least one third transmission device based on a distance between the at least one third transmission device and the first transmission device.
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Accused Products
Abstract
A vehicle network transmission method and a vehicle network transmission system are provided. The vehicle network transmission method comprises the following steps. A first transmission device transmits a data signal to a second transmission device. It is determined whether the second transmission device is located in a target area. If the second transmission device is located in the target area, then a geographic location of the first transmission device is retrieved and a transmission region of the first transmission device is calculated. It is determined whether all of the third transmission devices adjacent to the second transmission device in the target area are located in the transmission region. If all of the third transmission devices adjacent to the second transmission device in the target area are located in the transmission region, then the second transmission device does not continue forwarding the data signal.
10 Citations
21 Claims
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1. A vehicle network transmission method, comprising the steps of:
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a first transmission device transmitting a data signal to a second transmission device; determining whether the second transmission device is located in a target area; retrieving a geographic location of the first transmission device if the second transmission device is located in the target area; calculating a signal transmission distance of the first transmission device based on an attenuation model of a received signal strength intensity (RSSI) of the second transmission device; and determining whether at least one third transmission device adjacent to the second transmission device in the target area is located in the signal transmission distance; wherein the second transmission device does not continue forwarding the data signal to the at least one third transmission device upon determining that the at least one third transmission device adjacent to the second transmission device in the target area is located in the signal transmission distance of the first transmission device, and the second transmission device determines whether to forward the data signal to the at least one third transmission device based on a distance between the at least one third transmission device and the first transmission device. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A vehicle network transmission system, comprising:
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a first transmission device, which is disposed on a first vehicle and transmits a data signal; a second transmission device, which is disposed on a second vehicle and receives the data signal; and at least one third transmission device disposed on a third vehicle and adjacent to the second transmission device, wherein the second transmission device does not continue forwarding the data signal to the at least one third transmission device if the second transmission device determines that the second transmission device is located in a target area and determines that the at least one third transmission device adjacent to the second transmission device in the target area is located in a signal transmission distance of the first transmission device, the second transmission device determines whether to forward the data signal to the at least one third transmission device based on a distance between the at least one third transmission device and the first transmission device, and the signal transmission distance of the first transmission device is obtained based on an attenuation model of a received signal strength intensity (RSSI) of the second transmission device. - View Dependent Claims (9, 10, 11, 12, 13, 14)
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15. A transmission device disposed on a vehicle, the transmission device comprising:
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a transmission unit receiving a data signal transmitted by a previous transmission device; and a processing unit, which is electrically coupled to the transmission unit, and controls the transmission unit not to continue forwarding the data signal when the transmission device is located in a target area and at least one next transmission device adjacent to the transmission device in the target area is located in a signal transmission distance of the previous transmission device, and the processing unit determines whether to forward the data signal to the at least one next transmission device based on a distance between the at least one next transmission device and the previous transmission device, wherein the processing unit calculates the signal transmission distance of the previous transmission device based on an attenuation model of a received signal strength intensity (RSSI) of the transmission device itself. - View Dependent Claims (16, 17, 18, 19, 20, 21)
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Specification