Vehicle-to-X communication system, vehicle, and method for transmitting vehicle-to-X messages
First Claim
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1. A vehicle-to-X communication system for a vehicle having:
- a first antenna configured to emit data signals towards a front of the vehicle,second antenna configured to emit data signals towards a rear of the vehicle, anda communication unit, which is connected to the first antenna and the second antenna in order to transmit the data signals via the antennas,wherein the communication unit is designed to;
transmit a higher proportion of the data signals via the first antenna than via the second antenna when the data is determined to be more relevant to road users in front of the vehicle than to road users behind the vehicle in response to a speed of the vehicle being greater than a first threshold, andtransmit a higher proportion of the data signals via the second antenna than via the first antenna when the data is determined to be more relevant to the road users behind the vehicle than to the road users in front of the vehicle in response to at least one of;
the speed of the vehicle being less than a second threshold, the data being directed to an incident on the road that the vehicle is traveling on, or braking of the vehicle,wherein the first threshold is the same as the second threshold, or the first threshold is different than the second threshold.
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Abstract
A vehicle-to-x communication system, a vehicle including a vehicle-to-x communication system and a method for transmitting vehicle-to-x messages. Instead of having to diversify transmission as is customary when at least two antennae are used, signals are emitted in a suitably split manner via a first antenna or a second antenna.
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Citations
18 Claims
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1. A vehicle-to-X communication system for a vehicle having:
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a first antenna configured to emit data signals towards a front of the vehicle, second antenna configured to emit data signals towards a rear of the vehicle, and a communication unit, which is connected to the first antenna and the second antenna in order to transmit the data signals via the antennas, wherein the communication unit is designed to; transmit a higher proportion of the data signals via the first antenna than via the second antenna when the data is determined to be more relevant to road users in front of the vehicle than to road users behind the vehicle in response to a speed of the vehicle being greater than a first threshold, and transmit a higher proportion of the data signals via the second antenna than via the first antenna when the data is determined to be more relevant to the road users behind the vehicle than to the road users in front of the vehicle in response to at least one of;
the speed of the vehicle being less than a second threshold, the data being directed to an incident on the road that the vehicle is traveling on, or braking of the vehicle,wherein the first threshold is the same as the second threshold, or the first threshold is different than the second threshold. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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17. A method for transmitting vehicle-to-X messages comprising:
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generating data signals which contain respective vehicle-to-X messages, determining whether the data signals are to be transmitted via a first antenna of a vehicle configured to emit the data signals towards a front of the vehicle or a second antenna of the vehicle configured to emit the data signals towards a rear of the vehicle, and selectively transmitting the data signals as a function thereof via the first antenna or the second antenna, by; transmitting a higher proportion of the data signals via the first antenna than via the second antenna when the data is determined to be more relevant to road users in front of the vehicle than to road users behind the vehicle in response to a speed of the vehicle being greater than a first threshold, and transmitting a higher proportion of the data signals via the second antenna than via the first antenna when the data is determined to be more relevant to the road users behind the vehicle than to the road users in front of the vehicle in response to at least one of;
the speed of the vehicle being less than a second threshold, the data being directed to an incident on the road that the vehicle is traveling on, or braking of the vehicle,wherein the first threshold is the same as the second threshold, or the first threshold is different than the second threshold.
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18. A vehicle-to-X communication system for a vehicle having:
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a first antenna configured to emit data signals towards a front of the vehicle, second antenna configured to emit data signals towards a rear of the vehicle, and a communication unit, which is connected to the first antenna and the second antenna in order to transmit the data signals via the antennas, wherein the communication unit is designed to; transmit a higher proportion of the data signals via the first antenna than via the second antenna when the data is determined to be more relevant to road users in front of the vehicle than to road users behind the vehicle, and transmit a higher proportion of the data signals via the second antenna than via the first antenna when the data is determined to be more relevant to the road users behind the vehicle than to the road users in front of the vehicle, wherein the communication unit is designed to transmit a multiplicity of signals which are spaced apart from one another at respective time intervals, according to a transmission pattern, wherein the transmission pattern predefines a sequence in which signals are transmitted via the first antenna or the second antenna, and wherein the communication unit is designed to define a transmission pattern as a function of at least one of the type of signals to be transmitted, a traffic situation, and driving parameters.
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Specification