Communication method for transmitting useful data and corresponding communication system
First Claim
1. A communication method for transmitting useful data between a first traffic participant, at least one second traffic participant, and a central communication device, comprising:
- generating, by the first traffic participant, a data packet;
assigning, by the first traffic participant, the data packet to a changing key;
transmitting, by the first traffic participant, the key together with the assigned data packet to the central communication device;
transmitting, by the first traffic participant, an identifier together with the key to the second traffic participant, the identifier being associated with the first traffic participant;
requesting, from the central communication device by the second traffic participant, using the key, the data packet assigned to the key;
receiving, from the central communication device by the second traffic participant, the data packet assigned to the key; and
assigning, by the second traffic participant, the received data packet to the first traffic participant, and creating, by the second traffic participant, a movement profile of the first participant, using the assigned received data packet.
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Abstract
A communication method is provided for transmitting useful data between a first traffic participant, at least one second traffic participant, and a central communication device. It is provided that the first traffic participant provides a data packet and transmits it to the central communication device, the data packet being assigned to a changing key that is transmitted together with the data packet, and that the first traffic participant transmits an identifier together with the key to the second traffic participant, and that the second traffic participant requests from the central communication device, using the key, the data packet assigned thereto, and assigns it to the first traffic participant. Also provided is a communication system.
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Citations
11 Claims
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1. A communication method for transmitting useful data between a first traffic participant, at least one second traffic participant, and a central communication device, comprising:
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generating, by the first traffic participant, a data packet; assigning, by the first traffic participant, the data packet to a changing key; transmitting, by the first traffic participant, the key together with the assigned data packet to the central communication device; transmitting, by the first traffic participant, an identifier together with the key to the second traffic participant, the identifier being associated with the first traffic participant; requesting, from the central communication device by the second traffic participant, using the key, the data packet assigned to the key; receiving, from the central communication device by the second traffic participant, the data packet assigned to the key; and assigning, by the second traffic participant, the received data packet to the first traffic participant, and creating, by the second traffic participant, a movement profile of the first participant, using the assigned received data packet. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A communication system for transmitting useful data, comprising:
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a first traffic participant; at least one second traffic participant; and a central communication device, wherein; the first traffic participant generates a data packet, the data packet is assigned, by the first traffic participate, to a changing key; the first traffic participant transmits the key together with the assigned data packet to the central communication device, the first traffic participant transmits an identifier together with the key to the second traffic participant, the identifier being associated with the first traffic participant, and the second traffic participant (i) requests, using the key, the data packet assigned to the key from the central communication device, (ii) receives the data packet assigned to the key from the central communication device, (iii) assigns the received data packet to the first traffic participant, and (iv) creates a movement profile of the first participant, using the assigned received data packet.
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Specification