Method and device for code generation in the transmission of data via a communications system
AssigneeRobert Bosch GmbH
InventorsMichael Boehl, Eberhard Boehl
Life of this patent
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Abstract
A method and a device for generating codes in the transmission of data via a communications system having at least two subscribers, in which a first subscriber receives at least one data word and forwards the data word or an at least partially changed data word to at least one second subscriber, the data being represented as bits which are able to assume two different values, and at least two bits of a data word are coded in at least three bits in such a way that in the three coded bits always at least two bits of the same value follow each other and that, after the reception of one or two of the three coded bits, one may already be able to decide which first code bit is to be emitted.
Claims18
A method for generating codes for transmission of data via a communications system having at least two subscribers, comprising:
- receiving, by a first subscriber, at least one data word and forwarding the data word or an at least partially changed data word to at least one second subscriber, data of the data word being represented as bits which are able to assume two different values, wherein at least one set of two bits of the data are coded in at least one set of three bits in such a way that, in the three coded bits, always at least two bits of a same value succeed one another;
- and
- after receiving one or two of the three coded bits, deciding which first code bit is to be emitted.
A device for generating codes in the transmission of data via a communications system, the data being represented as bits which are able to assume two different values, the device comprising:
- a coding device configured to code at least one set of two bits of a data word in at least one set of three bits so that always at least two bits of a same value follow each other and so that after reception of one or two of the three coded bits of the data word that is to be forwarded, it decides which first code bit is to be emitted.
A subscriber of a communications system, comprising:
- a device for code generation for data transmission in the communications system, the data being represented as bits which are able to assume two different values, the device including a coding device configured to code at least one set of two bits of a data word in at least one set of three bits, so that always at least two of the bits that follow each other are of a same value, wherein after reception of one or two of the three coded bits of the data word that is to be forwarded, it is decided which first code bit is to be output.
A data carrier storing a computer program, the computer program, when executed by a computer, causing the computer to perform the following steps:
- receiving, by a first subscriber, at least one data word and forwarding the data word or an at least partially changed data word to at least one second subscriber, data of the data word being represented as bits which are able to assume two different values, wherein at least one set of two bits of the data are coded in at least one set of three bits in such a way that, in the three coded bits, always at least two bits of a same value succeed one another;
- and after receiving one or two of the three coded bits, it can already be decided which first code bit is to be emitted.
A computer program, the computer program, when executed by a computer, causing the computer to perform the following steps:
- receiving, by a first subscriber, at least one data word and forwarding the data word or an at least partially changed data word to at least one second subscriber, data of the data word being represented as bits which are able to assume two different values, wherein at least one set of two bits of the data are coded in at least one set of three bits in such a way that, in the three coded bits, always at least two bits of a same value succeed one another;
- and after receiving one or two of the three coded bits, it can already be decided which first code bit is to be emitted.
Dependencies are inferred from the claim text.