Method and communications system for transmitting information in a motor vehicle
First Claim
1. A method for transmitting information in a motor vehicle among electrical components of the motor vehicle, which are connected to a data bus structure of the motor vehicle in order to transmit information and to a power line structure of the motor vehicle in order to be supplied with power, comprising:
- transmitting the information in successive, pre-allocated communication cycles over the data bus structure, each cycle of the successive cycles including at least one time window for transmitting a first set of the information at specific points in time and at least one event window for transmitting a second set of the information, which is different from the first set of information, in response to specific events; and
contemporaneously with the transmitting of the first set of the information in the at least one time window, transmitting at least one portion of the first set of the information transmitted in the at least one time window over the power line structure, thereby causing redundant information transmission, wherein;
only the information from the first set of the information which is transmitted within the at least one time window over the databus structure is also transmitted over the powerline structure, andthe power line structure is not used to transmit the second set of information transmitted during the at least one event window.
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Accused Products
Abstract
A communications system for a motor vehicle, including a plurality of electrical components, a data bus structure to which the components are connected in order to transmit information among the components, and a power line structure to which the components are connected in order to be supplied with power. The information is transmitted in successive cycles over the data bus structure, each cycle including at least one time window for transmitting information at specific points in time and at least one event window for transmitting information in response to specific events. The communications system includes an arrangement for redundantly transmitting information which merely transmits the information transmitted in the at least one time window over the data bus structure at least partially over the power line structure as well.
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Citations
11 Claims
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1. A method for transmitting information in a motor vehicle among electrical components of the motor vehicle, which are connected to a data bus structure of the motor vehicle in order to transmit information and to a power line structure of the motor vehicle in order to be supplied with power, comprising:
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transmitting the information in successive, pre-allocated communication cycles over the data bus structure, each cycle of the successive cycles including at least one time window for transmitting a first set of the information at specific points in time and at least one event window for transmitting a second set of the information, which is different from the first set of information, in response to specific events; and contemporaneously with the transmitting of the first set of the information in the at least one time window, transmitting at least one portion of the first set of the information transmitted in the at least one time window over the power line structure, thereby causing redundant information transmission, wherein; only the information from the first set of the information which is transmitted within the at least one time window over the databus structure is also transmitted over the powerline structure, and the power line structure is not used to transmit the second set of information transmitted during the at least one event window. - View Dependent Claims (2, 3, 4)
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5. A method for transmitting information in a motor vehicle among electrical components of the motor vehicle, which are connected to a data bus structure of the motor vehicle in order to transmit information and to a power line structure of the motor vehicle in order to be supplied with power, comprising:
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transmitting at least some information both via the data bus structure and via the power line structure, in order to provide redundant information transmission; wherein the information is transmitted in successive, pre-allocated communication cycles over the data bus structure, each cycle of the successive cycles including at least one time window for transmitting a first set of the information at specific points in time and at least one event window for transmitting a second set of the information, which is different from the first set of information, in response to specific events, and wherein at least one portion of the first set of the information transmitted in the at least one time window over the data bus structure is transmitted over the power line structure contemporaneously with the transmitting of the first set of the information in the at least one time window, wherein only the information from the first set of the information which is transmitted within the at least one time window over the databus structure is also transmitted over the powerline structure, wherein the first set of information includes at least one of time-critical information and safety-critical information and the second set of information includes information that is generated at unpredictable times, and wherein the power line structure is not used to transmit the second set of information transmitted during the at least one event window.
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6. A communications system for a motor vehicle, the motor vehicle including a plurality of electrical components, a data bus structure to which the components are connected for transmitting information among the components and a power line structure to which the components are connected in order to be supplied with power, the communication system comprising:
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an arrangement configured to transmit the information in successive, pre-allocated communication cycles over the data bus structure, each cycle of the successive cycles including at least one time window for transmitting a first set of the information at specific points in time and at least one event window for transmitting a second set of the information, which is different from the first set of information, in response to specific events, the arrangement further configured to redundantly transmit at least some of the first set of the information transmitted in the at least one time window over the data bus structure over the power line structure, wherein the redundant transmission occurs contemporaneously with the transmitting of the information in the at least one time window, wherein only the information from the first set of the information which is transmitted within the at least one time window over the databus structure is also transmitted over the powerline structure, and wherein the power line structure is not used to transmit the second set of information transmitted during the at least one event window. - View Dependent Claims (7, 8, 9)
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10. A communications system for a motor vehicle, the motor vehicle including a plurality of electrical components, a data bus structure to which the components are connected in order to transmit information among the components, and a power line structure to which the components are connected in order to be supplied with power, the communication system comprising:
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an arrangement configured to transmit at least some of the information both via the data bus structure and via the power line structure, the information being transmitted in successive, pre-allocated communication cycles over the data bus structure, each cycle of the successive cycles including at least one time window for transmitting a first set of the information at specific points in time and at least one event window for transmitting a second set of the information, which is different from the first set of information, in response to specific events, wherein the arrangement is further configured to redundantly transmit at least one portion of the first set of the information transmitted in the at least one time window over the data bus structure over the power line structure, wherein the redundant transmission occurs contemporaneously with the transmitting of the first set of the information in the at least one time window wherein only the information from the first set of the information which is transmitted within the at least one time window over the databus structure is also transmitted over the powerline structure, and wherein the power line structure is not used to transmit the second set of information transmitted during the at least one event window. - View Dependent Claims (11)
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Specification